| 'use strict'; |
| |
| var test = require('tape'); |
| |
| var forEach = require('foreach'); |
| var is = require('object-is'); |
| var debug = require('object-inspect'); |
| var assign = require('object.assign'); |
| var keys = require('object-keys'); |
| var has = require('has'); |
| var arrowFns = require('make-arrow-function').list(); |
| |
| var getInferredName = require('../helpers/getInferredName'); |
| var assertRecordTests = require('./helpers/assertRecord'); |
| var v = require('./helpers/values'); |
| var diffOps = require('./diffOps'); |
| |
| var MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER || Math.pow(2, 53) - 1; |
| |
| var getArraySubclassWithSpeciesConstructor = function getArraySubclass(speciesConstructor) { |
| var Bar = function Bar() { |
| var inst = []; |
| Object.setPrototypeOf(inst, Bar.prototype); |
| Object.defineProperty(inst, 'constructor', { value: Bar }); |
| return inst; |
| }; |
| Bar.prototype = Object.create(Array.prototype); |
| Object.setPrototypeOf(Bar, Array); |
| Object.defineProperty(Bar, Symbol.species, { value: speciesConstructor }); |
| |
| return Bar; |
| }; |
| |
| var testIterator = function (t, iterator, expected) { |
| var resultCount = 0; |
| var result; |
| while (result = iterator.next(), !result.done) { // eslint-disable-line no-sequences |
| t.deepEqual(result, { done: false, value: expected[resultCount] }, 'result ' + resultCount); |
| resultCount += 1; |
| } |
| t.equal(resultCount, expected.length, 'expected ' + expected.length + ', got ' + resultCount); |
| }; |
| |
| var hasSpecies = v.hasSymbols && Symbol.species; |
| |
| var hasGroups = 'groups' in (/a/).exec('a'); |
| var groups = function groups(matchObject) { |
| return hasGroups ? assign(matchObject, { groups: matchObject.groups }) : matchObject; |
| }; |
| |
| var testEnumerableOwnNames = function (t, enumerableOwnNames) { |
| forEach(v.primitives, function (nonObject) { |
| t['throws']( |
| function () { enumerableOwnNames(nonObject); }, |
| debug(nonObject) + ' is not an Object' |
| ); |
| }); |
| |
| var Child = function Child() { |
| this.own = {}; |
| }; |
| Child.prototype = { |
| inherited: {} |
| }; |
| |
| var obj = new Child(); |
| |
| t.equal('own' in obj, true, 'has "own"'); |
| t.equal(has(obj, 'own'), true, 'has own "own"'); |
| t.equal(Object.prototype.propertyIsEnumerable.call(obj, 'own'), true, 'has enumerable "own"'); |
| |
| t.equal('inherited' in obj, true, 'has "inherited"'); |
| t.equal(has(obj, 'inherited'), false, 'has non-own "inherited"'); |
| t.equal(has(Child.prototype, 'inherited'), true, 'Child.prototype has own "inherited"'); |
| t.equal(Child.prototype.inherited, obj.inherited, 'Child.prototype.inherited === obj.inherited'); |
| t.equal(Object.prototype.propertyIsEnumerable.call(Child.prototype, 'inherited'), true, 'has enumerable "inherited"'); |
| |
| t.equal('toString' in obj, true, 'has "toString"'); |
| t.equal(has(obj, 'toString'), false, 'has non-own "toString"'); |
| t.equal(has(Object.prototype, 'toString'), true, 'Object.prototype has own "toString"'); |
| t.equal(Object.prototype.toString, obj.toString, 'Object.prototype.toString === obj.toString'); |
| // eslint-disable-next-line no-useless-call |
| t.equal(Object.prototype.propertyIsEnumerable.call(Object.prototype, 'toString'), false, 'has non-enumerable "toString"'); |
| |
| return obj; |
| }; |
| |
| var es2015 = function ES2015(ES, ops, expectedMissing, skips) { |
| test('has expected operations', function (t) { |
| var diff = diffOps(ES, ops, expectedMissing); |
| |
| t.deepEqual(diff.extra, [], 'no extra ops'); |
| |
| t.deepEqual(diff.missing, [], 'no unexpected missing ops'); |
| |
| t.end(); |
| }); |
| |
| test('ToPrimitive', function (t) { |
| t.test('primitives', function (st) { |
| var testPrimitive = function (primitive) { |
| st.ok(is(ES.ToPrimitive(primitive), primitive), debug(primitive) + ' is returned correctly'); |
| }; |
| forEach(v.primitives, testPrimitive); |
| st.end(); |
| }); |
| |
| t.test('objects', function (st) { |
| st.equal(ES.ToPrimitive(v.coercibleObject), 3, 'coercibleObject with no hint coerces to valueOf'); |
| st.ok(is(ES.ToPrimitive({}), '[object Object]'), '{} with no hint coerces to Object#toString'); |
| st.equal(ES.ToPrimitive(v.coercibleObject, Number), 3, 'coercibleObject with hint Number coerces to valueOf'); |
| st.ok(is(ES.ToPrimitive({}, Number), '[object Object]'), '{} with hint Number coerces to NaN'); |
| st.equal(ES.ToPrimitive(v.coercibleObject, String), 42, 'coercibleObject with hint String coerces to nonstringified toString'); |
| st.equal(ES.ToPrimitive({}, String), '[object Object]', '{} with hint String coerces to Object#toString'); |
| st.equal(ES.ToPrimitive(v.toStringOnlyObject), 7, 'toStringOnlyObject returns non-stringified toString'); |
| st.equal(ES.ToPrimitive(v.valueOfOnlyObject), 4, 'valueOfOnlyObject returns valueOf'); |
| st['throws'](function () { return ES.ToPrimitive(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws a TypeError'); |
| st.end(); |
| }); |
| |
| t.test('dates', function (st) { |
| var invalid = new Date(NaN); |
| st.equal(ES.ToPrimitive(invalid), Date.prototype.toString.call(invalid), 'invalid Date coerces to Date#toString'); |
| var now = new Date(); |
| st.equal(ES.ToPrimitive(now), Date.prototype.toString.call(now), 'Date coerces to Date#toString'); |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('ToBoolean', function (t) { |
| t.equal(false, ES.ToBoolean(undefined), 'undefined coerces to false'); |
| t.equal(false, ES.ToBoolean(null), 'null coerces to false'); |
| t.equal(false, ES.ToBoolean(false), 'false returns false'); |
| t.equal(true, ES.ToBoolean(true), 'true returns true'); |
| |
| t.test('numbers', function (st) { |
| forEach(v.zeroes.concat(NaN), function (falsyNumber) { |
| st.equal(false, ES.ToBoolean(falsyNumber), 'falsy number ' + falsyNumber + ' coerces to false'); |
| }); |
| forEach(v.infinities.concat([42, 1]), function (truthyNumber) { |
| st.equal(true, ES.ToBoolean(truthyNumber), 'truthy number ' + truthyNumber + ' coerces to true'); |
| }); |
| |
| st.end(); |
| }); |
| |
| t.equal(false, ES.ToBoolean(''), 'empty string coerces to false'); |
| t.equal(true, ES.ToBoolean('foo'), 'nonempty string coerces to true'); |
| |
| t.test('objects', function (st) { |
| forEach(v.objects, function (obj) { |
| st.equal(true, ES.ToBoolean(obj), 'object coerces to true'); |
| }); |
| st.equal(true, ES.ToBoolean(v.uncoercibleObject), 'uncoercibleObject coerces to true'); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('ToNumber', function (t) { |
| t.ok(is(NaN, ES.ToNumber(undefined)), 'undefined coerces to NaN'); |
| t.ok(is(ES.ToNumber(null), 0), 'null coerces to +0'); |
| t.ok(is(ES.ToNumber(false), 0), 'false coerces to +0'); |
| t.equal(1, ES.ToNumber(true), 'true coerces to 1'); |
| |
| t.test('numbers', function (st) { |
| st.ok(is(NaN, ES.ToNumber(NaN)), 'NaN returns itself'); |
| forEach(v.zeroes.concat(v.infinities, 42), function (num) { |
| st.equal(num, ES.ToNumber(num), num + ' returns itself'); |
| }); |
| forEach(['foo', '0', '4a', '2.0', 'Infinity', '-Infinity'], function (numString) { |
| st.ok(is(+numString, ES.ToNumber(numString)), '"' + numString + '" coerces to ' + Number(numString)); |
| }); |
| st.end(); |
| }); |
| |
| t.test('objects', function (st) { |
| forEach(v.objects, function (object) { |
| st.ok(is(ES.ToNumber(object), ES.ToNumber(ES.ToPrimitive(object))), 'object ' + object + ' coerces to same as ToPrimitive of object does'); |
| }); |
| st['throws'](function () { return ES.ToNumber(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); |
| st.end(); |
| }); |
| |
| t.test('binary literals', function (st) { |
| st.equal(ES.ToNumber('0b10'), 2, '0b10 is 2'); |
| st.equal(ES.ToNumber({ toString: function () { return '0b11'; } }), 3, 'Object that toStrings to 0b11 is 3'); |
| |
| st.equal(true, is(ES.ToNumber('0b12'), NaN), '0b12 is NaN'); |
| st.equal(true, is(ES.ToNumber({ toString: function () { return '0b112'; } }), NaN), 'Object that toStrings to 0b112 is NaN'); |
| st.end(); |
| }); |
| |
| t.test('octal literals', function (st) { |
| st.equal(ES.ToNumber('0o10'), 8, '0o10 is 8'); |
| st.equal(ES.ToNumber({ toString: function () { return '0o11'; } }), 9, 'Object that toStrings to 0o11 is 9'); |
| |
| st.equal(true, is(ES.ToNumber('0o18'), NaN), '0o18 is NaN'); |
| st.equal(true, is(ES.ToNumber({ toString: function () { return '0o118'; } }), NaN), 'Object that toStrings to 0o118 is NaN'); |
| st.end(); |
| }); |
| |
| t.test('signed hex numbers', function (st) { |
| st.equal(true, is(ES.ToNumber('-0xF'), NaN), '-0xF is NaN'); |
| st.equal(true, is(ES.ToNumber(' -0xF '), NaN), 'space-padded -0xF is NaN'); |
| st.equal(true, is(ES.ToNumber('+0xF'), NaN), '+0xF is NaN'); |
| st.equal(true, is(ES.ToNumber(' +0xF '), NaN), 'space-padded +0xF is NaN'); |
| |
| st.end(); |
| }); |
| |
| t.test('trimming of whitespace and non-whitespace characters', function (st) { |
| var whitespace = ' \t\x0b\f\xa0\ufeff\n\r\u2028\u2029\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000'; |
| st.equal(0, ES.ToNumber(whitespace + 0 + whitespace), 'whitespace is trimmed'); |
| |
| // Zero-width space (zws), next line character (nel), and non-character (bom) are not whitespace. |
| var nonWhitespaces = { |
| '\\u0085': '\u0085', |
| '\\u200b': '\u200b', |
| '\\ufffe': '\ufffe' |
| }; |
| |
| forEach(nonWhitespaces, function (desc, nonWS) { |
| st.equal(true, is(ES.ToNumber(nonWS + 0 + nonWS), NaN), 'non-whitespace ' + desc + ' not trimmed'); |
| }); |
| |
| st.end(); |
| }); |
| |
| forEach(v.symbols, function (symbol) { |
| t['throws']( |
| function () { ES.ToNumber(symbol); }, |
| TypeError, |
| 'Symbols can’t be converted to a Number: ' + debug(symbol) |
| ); |
| }); |
| |
| t.test('dates', function (st) { |
| var invalid = new Date(NaN); |
| st.ok(is(ES.ToNumber(invalid), NaN), 'invalid Date coerces to NaN'); |
| var now = Date.now(); |
| st.equal(ES.ToNumber(new Date(now)), now, 'Date coerces to timestamp'); |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('ToInteger', function (t) { |
| t.ok(is(0, ES.ToInteger(NaN)), 'NaN coerces to +0'); |
| forEach([0, Infinity, 42], function (num) { |
| t.ok(is(num, ES.ToInteger(num)), num + ' returns itself'); |
| t.ok(is(-num, ES.ToInteger(-num)), '-' + num + ' returns itself'); |
| }); |
| t.equal(3, ES.ToInteger(Math.PI), 'pi returns 3'); |
| t['throws'](function () { return ES.ToInteger(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); |
| t.end(); |
| }); |
| |
| test('ToInt32', function (t) { |
| t.ok(is(0, ES.ToInt32(NaN)), 'NaN coerces to +0'); |
| forEach([0, Infinity], function (num) { |
| t.ok(is(0, ES.ToInt32(num)), num + ' returns +0'); |
| t.ok(is(0, ES.ToInt32(-num)), '-' + num + ' returns +0'); |
| }); |
| t['throws'](function () { return ES.ToInt32(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); |
| t.ok(is(ES.ToInt32(0x100000000), 0), '2^32 returns +0'); |
| t.ok(is(ES.ToInt32(0x100000000 - 1), -1), '2^32 - 1 returns -1'); |
| t.ok(is(ES.ToInt32(0x80000000), -0x80000000), '2^31 returns -2^31'); |
| t.ok(is(ES.ToInt32(0x80000000 - 1), 0x80000000 - 1), '2^31 - 1 returns 2^31 - 1'); |
| forEach([0, Infinity, NaN, 0x100000000, 0x80000000, 0x10000, 0x42], function (num) { |
| t.ok(is(ES.ToInt32(num), ES.ToInt32(ES.ToUint32(num))), 'ToInt32(x) === ToInt32(ToUint32(x)) for 0x' + num.toString(16)); |
| t.ok(is(ES.ToInt32(-num), ES.ToInt32(ES.ToUint32(-num))), 'ToInt32(x) === ToInt32(ToUint32(x)) for -0x' + num.toString(16)); |
| }); |
| t.end(); |
| }); |
| |
| test('ToUint32', function (t) { |
| t.ok(is(0, ES.ToUint32(NaN)), 'NaN coerces to +0'); |
| forEach([0, Infinity], function (num) { |
| t.ok(is(0, ES.ToUint32(num)), num + ' returns +0'); |
| t.ok(is(0, ES.ToUint32(-num)), '-' + num + ' returns +0'); |
| }); |
| t['throws'](function () { return ES.ToUint32(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); |
| t.ok(is(ES.ToUint32(0x100000000), 0), '2^32 returns +0'); |
| t.ok(is(ES.ToUint32(0x100000000 - 1), 0x100000000 - 1), '2^32 - 1 returns 2^32 - 1'); |
| t.ok(is(ES.ToUint32(0x80000000), 0x80000000), '2^31 returns 2^31'); |
| t.ok(is(ES.ToUint32(0x80000000 - 1), 0x80000000 - 1), '2^31 - 1 returns 2^31 - 1'); |
| forEach([0, Infinity, NaN, 0x100000000, 0x80000000, 0x10000, 0x42], function (num) { |
| t.ok(is(ES.ToUint32(num), ES.ToUint32(ES.ToInt32(num))), 'ToUint32(x) === ToUint32(ToInt32(x)) for 0x' + num.toString(16)); |
| t.ok(is(ES.ToUint32(-num), ES.ToUint32(ES.ToInt32(-num))), 'ToUint32(x) === ToUint32(ToInt32(x)) for -0x' + num.toString(16)); |
| }); |
| t.end(); |
| }); |
| |
| test('ToInt16', function (t) { |
| t.ok(is(0, ES.ToInt16(NaN)), 'NaN coerces to +0'); |
| forEach([0, Infinity], function (num) { |
| t.ok(is(0, ES.ToInt16(num)), num + ' returns +0'); |
| t.ok(is(0, ES.ToInt16(-num)), '-' + num + ' returns +0'); |
| }); |
| t['throws'](function () { return ES.ToInt16(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); |
| t.ok(is(ES.ToInt16(0x100000000), 0), '2^32 returns +0'); |
| t.ok(is(ES.ToInt16(0x100000000 - 1), -1), '2^32 - 1 returns -1'); |
| t.ok(is(ES.ToInt16(0x80000000), 0), '2^31 returns +0'); |
| t.ok(is(ES.ToInt16(0x80000000 - 1), -1), '2^31 - 1 returns -1'); |
| t.ok(is(ES.ToInt16(0x10000), 0), '2^16 returns +0'); |
| t.ok(is(ES.ToInt16(0x10000 - 1), -1), '2^16 - 1 returns -1'); |
| t.end(); |
| }); |
| |
| test('ToUint16', function (t) { |
| t.ok(is(0, ES.ToUint16(NaN)), 'NaN coerces to +0'); |
| forEach([0, Infinity], function (num) { |
| t.ok(is(0, ES.ToUint16(num)), num + ' returns +0'); |
| t.ok(is(0, ES.ToUint16(-num)), '-' + num + ' returns +0'); |
| }); |
| t['throws'](function () { return ES.ToUint16(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); |
| t.ok(is(ES.ToUint16(0x100000000), 0), '2^32 returns +0'); |
| t.ok(is(ES.ToUint16(0x100000000 - 1), 0x10000 - 1), '2^32 - 1 returns 2^16 - 1'); |
| t.ok(is(ES.ToUint16(0x80000000), 0), '2^31 returns +0'); |
| t.ok(is(ES.ToUint16(0x80000000 - 1), 0x10000 - 1), '2^31 - 1 returns 2^16 - 1'); |
| t.ok(is(ES.ToUint16(0x10000), 0), '2^16 returns +0'); |
| t.ok(is(ES.ToUint16(0x10000 - 1), 0x10000 - 1), '2^16 - 1 returns 2^16 - 1'); |
| t.end(); |
| }); |
| |
| test('ToInt8', function (t) { |
| t.ok(is(0, ES.ToInt8(NaN)), 'NaN coerces to +0'); |
| forEach([0, Infinity], function (num) { |
| t.ok(is(0, ES.ToInt8(num)), num + ' returns +0'); |
| t.ok(is(0, ES.ToInt8(-num)), '-' + num + ' returns +0'); |
| }); |
| t['throws'](function () { return ES.ToInt8(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); |
| t.ok(is(ES.ToInt8(0x100000000), 0), '2^32 returns +0'); |
| t.ok(is(ES.ToInt8(0x100000000 - 1), -1), '2^32 - 1 returns -1'); |
| t.ok(is(ES.ToInt8(0x80000000), 0), '2^31 returns +0'); |
| t.ok(is(ES.ToInt8(0x80000000 - 1), -1), '2^31 - 1 returns -1'); |
| t.ok(is(ES.ToInt8(0x10000), 0), '2^16 returns +0'); |
| t.ok(is(ES.ToInt8(0x10000 - 1), -1), '2^16 - 1 returns -1'); |
| t.ok(is(ES.ToInt8(0x100), 0), '2^8 returns +0'); |
| t.ok(is(ES.ToInt8(0x100 - 1), -1), '2^8 - 1 returns -1'); |
| t.ok(is(ES.ToInt8(0x10), 0x10), '2^4 returns 2^4'); |
| t.end(); |
| }); |
| |
| test('ToUint8', function (t) { |
| t.ok(is(0, ES.ToUint8(NaN)), 'NaN coerces to +0'); |
| forEach([0, Infinity], function (num) { |
| t.ok(is(0, ES.ToUint8(num)), num + ' returns +0'); |
| t.ok(is(0, ES.ToUint8(-num)), '-' + num + ' returns +0'); |
| }); |
| t['throws'](function () { return ES.ToUint8(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); |
| t.ok(is(ES.ToUint8(0x100000000), 0), '2^32 returns +0'); |
| t.ok(is(ES.ToUint8(0x100000000 - 1), 0x100 - 1), '2^32 - 1 returns 2^8 - 1'); |
| t.ok(is(ES.ToUint8(0x80000000), 0), '2^31 returns +0'); |
| t.ok(is(ES.ToUint8(0x80000000 - 1), 0x100 - 1), '2^31 - 1 returns 2^8 - 1'); |
| t.ok(is(ES.ToUint8(0x10000), 0), '2^16 returns +0'); |
| t.ok(is(ES.ToUint8(0x10000 - 1), 0x100 - 1), '2^16 - 1 returns 2^8 - 1'); |
| t.ok(is(ES.ToUint8(0x100), 0), '2^8 returns +0'); |
| t.ok(is(ES.ToUint8(0x100 - 1), 0x100 - 1), '2^8 - 1 returns 2^16 - 1'); |
| t.ok(is(ES.ToUint8(0x10), 0x10), '2^4 returns 2^4'); |
| t.ok(is(ES.ToUint8(0x10 - 1), 0x10 - 1), '2^4 - 1 returns 2^4 - 1'); |
| t.end(); |
| }); |
| |
| test('ToUint8Clamp', function (t) { |
| t.ok(is(0, ES.ToUint8Clamp(NaN)), 'NaN coerces to +0'); |
| t.ok(is(0, ES.ToUint8Clamp(0)), '+0 returns +0'); |
| t.ok(is(0, ES.ToUint8Clamp(-0)), '-0 returns +0'); |
| t.ok(is(0, ES.ToUint8Clamp(-Infinity)), '-Infinity returns +0'); |
| t['throws'](function () { return ES.ToUint8Clamp(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); |
| forEach([255, 256, 0x100000, Infinity], function (number) { |
| t.ok(is(255, ES.ToUint8Clamp(number)), number + ' coerces to 255'); |
| }); |
| t.equal(1, ES.ToUint8Clamp(1.49), '1.49 coerces to 1'); |
| t.equal(2, ES.ToUint8Clamp(1.5), '1.5 coerces to 2, because 2 is even'); |
| t.equal(2, ES.ToUint8Clamp(1.51), '1.51 coerces to 2'); |
| |
| t.equal(2, ES.ToUint8Clamp(2.49), '2.49 coerces to 2'); |
| t.equal(2, ES.ToUint8Clamp(2.5), '2.5 coerces to 2, because 2 is even'); |
| t.equal(3, ES.ToUint8Clamp(2.51), '2.51 coerces to 3'); |
| t.end(); |
| }); |
| |
| test('ToString', function (t) { |
| forEach(v.objects.concat(v.nonSymbolPrimitives), function (item) { |
| t.equal(ES.ToString(item), String(item), 'ES.ToString(' + debug(item) + ') ToStrings to String(' + debug(item) + ')'); |
| }); |
| |
| t['throws'](function () { return ES.ToString(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); |
| |
| forEach(v.symbols, function (symbol) { |
| t['throws'](function () { return ES.ToString(symbol); }, TypeError, debug(symbol) + ' throws'); |
| }); |
| t.end(); |
| }); |
| |
| test('ToObject', function (t) { |
| t['throws'](function () { return ES.ToObject(undefined); }, TypeError, 'undefined throws'); |
| t['throws'](function () { return ES.ToObject(null); }, TypeError, 'null throws'); |
| forEach(v.numbers, function (number) { |
| var obj = ES.ToObject(number); |
| t.equal(typeof obj, 'object', 'number ' + number + ' coerces to object'); |
| t.equal(true, obj instanceof Number, 'object of ' + number + ' is Number object'); |
| t.ok(is(obj.valueOf(), number), 'object of ' + number + ' coerces to ' + number); |
| }); |
| t.end(); |
| }); |
| |
| test('RequireObjectCoercible', function (t) { |
| t.equal(false, 'CheckObjectCoercible' in ES, 'CheckObjectCoercible -> RequireObjectCoercible in ES6'); |
| t['throws'](function () { return ES.RequireObjectCoercible(undefined); }, TypeError, 'undefined throws'); |
| t['throws'](function () { return ES.RequireObjectCoercible(null); }, TypeError, 'null throws'); |
| var isCoercible = function (value) { |
| t.doesNotThrow(function () { return ES.RequireObjectCoercible(value); }, debug(value) + ' does not throw'); |
| }; |
| forEach(v.objects.concat(v.nonNullPrimitives), isCoercible); |
| t.end(); |
| }); |
| |
| test('IsCallable', function (t) { |
| t.equal(true, ES.IsCallable(function () {}), 'function is callable'); |
| var nonCallables = [/a/g, {}, Object.prototype, NaN].concat(v.nonFunctions); |
| forEach(nonCallables, function (nonCallable) { |
| t.equal(false, ES.IsCallable(nonCallable), debug(nonCallable) + ' is not callable'); |
| }); |
| t.end(); |
| }); |
| |
| test('SameValue', function (t) { |
| t.equal(true, ES.SameValue(NaN, NaN), 'NaN is SameValue as NaN'); |
| t.equal(false, ES.SameValue(0, -0), '+0 is not SameValue as -0'); |
| forEach(v.objects.concat(v.primitives), function (val) { |
| t.equal(val === val, ES.SameValue(val, val), debug(val) + ' is SameValue to itself'); |
| }); |
| t.end(); |
| }); |
| |
| test('SameValueZero', function (t) { |
| t.equal(true, ES.SameValueZero(NaN, NaN), 'NaN is SameValueZero as NaN'); |
| t.equal(true, ES.SameValueZero(0, -0), '+0 is SameValueZero as -0'); |
| forEach(v.objects.concat(v.primitives), function (val) { |
| t.equal(val === val, ES.SameValueZero(val, val), debug(val) + ' is SameValueZero to itself'); |
| }); |
| t.end(); |
| }); |
| |
| test('ToPropertyKey', function (t) { |
| forEach(v.objects.concat(v.nonSymbolPrimitives), function (value) { |
| t.equal(ES.ToPropertyKey(value), String(value), 'ToPropertyKey(value) === String(value) for non-Symbols'); |
| }); |
| |
| forEach(v.symbols, function (symbol) { |
| t.equal( |
| ES.ToPropertyKey(symbol), |
| symbol, |
| 'ToPropertyKey(' + debug(symbol) + ') === ' + debug(symbol) |
| ); |
| t.equal( |
| ES.ToPropertyKey(Object(symbol)), |
| symbol, |
| 'ToPropertyKey(' + debug(Object(symbol)) + ') === ' + debug(symbol) |
| ); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('ToLength', function (t) { |
| t['throws'](function () { return ES.ToLength(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws a TypeError'); |
| t.equal(3, ES.ToLength(v.coercibleObject), 'coercibleObject coerces to 3'); |
| t.equal(42, ES.ToLength('42.5'), '"42.5" coerces to 42'); |
| t.equal(7, ES.ToLength(7.3), '7.3 coerces to 7'); |
| forEach([-0, -1, -42, -Infinity], function (negative) { |
| t.ok(is(0, ES.ToLength(negative)), negative + ' coerces to +0'); |
| }); |
| t.equal(MAX_SAFE_INTEGER, ES.ToLength(MAX_SAFE_INTEGER + 1), '2^53 coerces to 2^53 - 1'); |
| t.equal(MAX_SAFE_INTEGER, ES.ToLength(MAX_SAFE_INTEGER + 3), '2^53 + 2 coerces to 2^53 - 1'); |
| t.end(); |
| }); |
| |
| test('IsArray', function (t) { |
| t.equal(true, ES.IsArray([]), '[] is array'); |
| t.equal(false, ES.IsArray({}), '{} is not array'); |
| t.equal(false, ES.IsArray({ length: 1, 0: true }), 'arraylike object is not array'); |
| forEach(v.objects.concat(v.primitives), function (value) { |
| t.equal(false, ES.IsArray(value), debug(value) + ' is not array'); |
| }); |
| t.end(); |
| }); |
| |
| test('IsRegExp', function (t) { |
| forEach([/a/g, new RegExp('a', 'g')], function (regex) { |
| t.equal(true, ES.IsRegExp(regex), regex + ' is regex'); |
| }); |
| |
| forEach(v.objects.concat(v.primitives), function (nonRegex) { |
| t.equal(false, ES.IsRegExp(nonRegex), debug(nonRegex) + ' is not regex'); |
| }); |
| |
| t.test('Symbol.match', { skip: !v.hasSymbols || !Symbol.match }, function (st) { |
| var obj = {}; |
| obj[Symbol.match] = true; |
| st.equal(true, ES.IsRegExp(obj), 'object with truthy Symbol.match is regex'); |
| |
| var regex = /a/; |
| regex[Symbol.match] = false; |
| st.equal(false, ES.IsRegExp(regex), 'regex with falsy Symbol.match is not regex'); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('IsPropertyKey', function (t) { |
| forEach(v.numbers.concat(v.objects), function (notKey) { |
| t.equal(false, ES.IsPropertyKey(notKey), debug(notKey) + ' is not property key'); |
| }); |
| |
| t.equal(true, ES.IsPropertyKey('foo'), 'string is property key'); |
| |
| forEach(v.symbols, function (symbol) { |
| t.equal(true, ES.IsPropertyKey(symbol), debug(symbol) + ' is property key'); |
| }); |
| t.end(); |
| }); |
| |
| test('IsInteger', function (t) { |
| for (var i = -100; i < 100; i += 10) { |
| t.equal(true, ES.IsInteger(i), i + ' is integer'); |
| t.equal(false, ES.IsInteger(i + 0.2), (i + 0.2) + ' is not integer'); |
| } |
| t.equal(true, ES.IsInteger(-0), '-0 is integer'); |
| var notInts = v.nonNumbers.concat(v.nonIntegerNumbers, v.infinities, [NaN, [], new Date()]); |
| forEach(notInts, function (notInt) { |
| t.equal(false, ES.IsInteger(notInt), debug(notInt) + ' is not integer'); |
| }); |
| t.equal(false, ES.IsInteger(v.uncoercibleObject), 'uncoercibleObject is not integer'); |
| t.end(); |
| }); |
| |
| test('IsExtensible', function (t) { |
| forEach(v.objects, function (object) { |
| t.equal(true, ES.IsExtensible(object), debug(object) + ' object is extensible'); |
| }); |
| forEach(v.primitives, function (primitive) { |
| t.equal(false, ES.IsExtensible(primitive), debug(primitive) + ' is not extensible'); |
| }); |
| if (Object.preventExtensions) { |
| t.equal(false, ES.IsExtensible(Object.preventExtensions({})), 'object with extensions prevented is not extensible'); |
| } |
| t.end(); |
| }); |
| |
| test('CanonicalNumericIndexString', function (t) { |
| var throwsOnNonString = function (notString) { |
| t['throws']( |
| function () { return ES.CanonicalNumericIndexString(notString); }, |
| TypeError, |
| debug(notString) + ' is not a string' |
| ); |
| }; |
| forEach(v.objects.concat(v.numbers), throwsOnNonString); |
| t.ok(is(-0, ES.CanonicalNumericIndexString('-0')), '"-0" returns -0'); |
| for (var i = -50; i < 50; i += 10) { |
| t.equal(i, ES.CanonicalNumericIndexString(String(i)), '"' + i + '" returns ' + i); |
| t.equal(undefined, ES.CanonicalNumericIndexString(String(i) + 'a'), '"' + i + 'a" returns undefined'); |
| } |
| t.end(); |
| }); |
| |
| test('IsConstructor', function (t) { |
| t.equal(true, ES.IsConstructor(function () {}), 'function is constructor'); |
| t.equal(false, ES.IsConstructor(/a/g), 'regex is not constructor'); |
| forEach(v.objects, function (object) { |
| t.equal(false, ES.IsConstructor(object), object + ' object is not constructor'); |
| }); |
| |
| try { |
| var foo = Function('return class Foo {}')(); // eslint-disable-line no-new-func |
| t.equal(ES.IsConstructor(foo), true, 'class is constructor'); |
| } catch (e) { |
| t.comment('SKIP: class syntax not supported.'); |
| } |
| t.end(); |
| }); |
| |
| test('Call', function (t) { |
| var receiver = {}; |
| var notFuncs = v.nonFunctions.concat([/a/g, new RegExp('a', 'g')]); |
| t.plan(notFuncs.length + 4); |
| var throwsIfNotCallable = function (notFunc) { |
| t['throws']( |
| function () { return ES.Call(notFunc, receiver); }, |
| TypeError, |
| debug(notFunc) + ' (' + typeof notFunc + ') is not callable' |
| ); |
| }; |
| forEach(notFuncs, throwsIfNotCallable); |
| ES.Call( |
| function (a, b) { |
| t.equal(this, receiver, 'context matches expected'); |
| t.deepEqual([a, b], [1, 2], 'named args are correct'); |
| t.equal(arguments.length, 3, 'extra argument was passed'); |
| t.equal(arguments[2], 3, 'extra argument was correct'); |
| }, |
| receiver, |
| [1, 2, 3] |
| ); |
| t.end(); |
| }); |
| |
| test('GetV', function (t) { |
| t['throws'](function () { return ES.GetV({ 7: 7 }, 7); }, TypeError, 'Throws a TypeError if `P` is not a property key'); |
| var obj = { a: function () {} }; |
| t.equal(ES.GetV(obj, 'a'), obj.a, 'returns property if it exists'); |
| t.equal(ES.GetV(obj, 'b'), undefined, 'returns undefiend if property does not exist'); |
| t.end(); |
| }); |
| |
| test('GetMethod', function (t) { |
| t['throws'](function () { return ES.GetMethod({ 7: 7 }, 7); }, TypeError, 'Throws a TypeError if `P` is not a property key'); |
| t.equal(ES.GetMethod({}, 'a'), undefined, 'returns undefined in property is undefined'); |
| t.equal(ES.GetMethod({ a: null }, 'a'), undefined, 'returns undefined if property is null'); |
| t.equal(ES.GetMethod({ a: undefined }, 'a'), undefined, 'returns undefined if property is undefined'); |
| var obj = { a: function () {} }; |
| t['throws'](function () { ES.GetMethod({ a: 'b' }, 'a'); }, TypeError, 'throws TypeError if property exists and is not callable'); |
| t.equal(ES.GetMethod(obj, 'a'), obj.a, 'returns property if it is callable'); |
| t.end(); |
| }); |
| |
| test('Get', function (t) { |
| t['throws'](function () { return ES.Get('a', 'a'); }, TypeError, 'Throws a TypeError if `O` is not an Object'); |
| t['throws'](function () { return ES.Get({ 7: 7 }, 7); }, TypeError, 'Throws a TypeError if `P` is not a property key'); |
| |
| var value = {}; |
| t.test('Symbols', { skip: !v.hasSymbols }, function (st) { |
| var sym = Symbol('sym'); |
| var obj = {}; |
| obj[sym] = value; |
| st.equal(ES.Get(obj, sym), value, 'returns property `P` if it exists on object `O`'); |
| st.end(); |
| }); |
| t.equal(ES.Get({ a: value }, 'a'), value, 'returns property `P` if it exists on object `O`'); |
| t.end(); |
| }); |
| |
| test('Type', { skip: !v.hasSymbols }, function (t) { |
| t.equal(ES.Type(Symbol.iterator), 'Symbol', 'Type(Symbol.iterator) is Symbol'); |
| t.end(); |
| }); |
| |
| test('SpeciesConstructor', function (t) { |
| t['throws'](function () { ES.SpeciesConstructor(null); }, TypeError); |
| t['throws'](function () { ES.SpeciesConstructor(undefined); }, TypeError); |
| |
| var defaultConstructor = function Foo() {}; |
| |
| t.equal( |
| ES.SpeciesConstructor({ constructor: undefined }, defaultConstructor), |
| defaultConstructor, |
| 'undefined constructor returns defaultConstructor' |
| ); |
| |
| t['throws']( |
| function () { return ES.SpeciesConstructor({ constructor: null }, defaultConstructor); }, |
| TypeError, |
| 'non-undefined non-object constructor throws' |
| ); |
| |
| t.test('with Symbol.species', { skip: !hasSpecies }, function (st) { |
| var Bar = function Bar() {}; |
| Bar[Symbol.species] = null; |
| |
| st.equal( |
| ES.SpeciesConstructor(new Bar(), defaultConstructor), |
| defaultConstructor, |
| 'undefined/null Symbol.species returns default constructor' |
| ); |
| |
| var Baz = function Baz() {}; |
| Baz[Symbol.species] = Bar; |
| st.equal( |
| ES.SpeciesConstructor(new Baz(), defaultConstructor), |
| Bar, |
| 'returns Symbol.species constructor value' |
| ); |
| |
| Baz[Symbol.species] = {}; |
| st['throws']( |
| function () { ES.SpeciesConstructor(new Baz(), defaultConstructor); }, |
| TypeError, |
| 'throws when non-constructor non-null non-undefined species value found' |
| ); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('IsPropertyDescriptor', { skip: skips && skips.IsPropertyDescriptor }, function (t) { |
| forEach(v.nonUndefinedPrimitives, function (primitive) { |
| t.equal( |
| ES.IsPropertyDescriptor(primitive), |
| false, |
| debug(primitive) + ' is not a Property Descriptor' |
| ); |
| }); |
| |
| t.equal(ES.IsPropertyDescriptor({ invalid: true }), false, 'invalid keys not allowed on a Property Descriptor'); |
| |
| t.equal(ES.IsPropertyDescriptor({}), true, 'empty object is an incomplete Property Descriptor'); |
| |
| t.equal(ES.IsPropertyDescriptor(v.accessorDescriptor()), true, 'accessor descriptor is a Property Descriptor'); |
| t.equal(ES.IsPropertyDescriptor(v.mutatorDescriptor()), true, 'mutator descriptor is a Property Descriptor'); |
| t.equal(ES.IsPropertyDescriptor(v.dataDescriptor()), true, 'data descriptor is a Property Descriptor'); |
| t.equal(ES.IsPropertyDescriptor(v.genericDescriptor()), true, 'generic descriptor is a Property Descriptor'); |
| |
| t['throws']( |
| function () { |
| ES.IsPropertyDescriptor(v.bothDescriptor()); |
| }, TypeError, |
| 'a Property Descriptor can not be both a Data and an Accessor Descriptor' |
| ); |
| |
| t.end(); |
| }); |
| |
| assertRecordTests(ES, test); |
| |
| test('IsAccessorDescriptor', function (t) { |
| forEach(v.nonUndefinedPrimitives, function (primitive) { |
| t['throws']( |
| function () { ES.IsAccessorDescriptor(primitive); }, |
| TypeError, |
| debug(primitive) + ' is not a Property Descriptor' |
| ); |
| }); |
| |
| t.equal(ES.IsAccessorDescriptor(), false, 'no value is not an Accessor Descriptor'); |
| t.equal(ES.IsAccessorDescriptor(undefined), false, 'undefined value is not an Accessor Descriptor'); |
| |
| t.equal(ES.IsAccessorDescriptor(v.accessorDescriptor()), true, 'accessor descriptor is an Accessor Descriptor'); |
| t.equal(ES.IsAccessorDescriptor(v.mutatorDescriptor()), true, 'mutator descriptor is an Accessor Descriptor'); |
| t.equal(ES.IsAccessorDescriptor(v.dataDescriptor()), false, 'data descriptor is not an Accessor Descriptor'); |
| t.equal(ES.IsAccessorDescriptor(v.genericDescriptor()), false, 'generic descriptor is not an Accessor Descriptor'); |
| |
| t.end(); |
| }); |
| |
| test('IsDataDescriptor', function (t) { |
| forEach(v.nonUndefinedPrimitives, function (primitive) { |
| t['throws']( |
| function () { ES.IsDataDescriptor(primitive); }, |
| TypeError, |
| debug(primitive) + ' is not a Property Descriptor' |
| ); |
| }); |
| |
| t.equal(ES.IsDataDescriptor(), false, 'no value is not a Data Descriptor'); |
| t.equal(ES.IsDataDescriptor(undefined), false, 'undefined value is not a Data Descriptor'); |
| |
| t.equal(ES.IsDataDescriptor(v.accessorDescriptor()), false, 'accessor descriptor is not a Data Descriptor'); |
| t.equal(ES.IsDataDescriptor(v.mutatorDescriptor()), false, 'mutator descriptor is not a Data Descriptor'); |
| t.equal(ES.IsDataDescriptor(v.dataDescriptor()), true, 'data descriptor is a Data Descriptor'); |
| t.equal(ES.IsDataDescriptor(v.genericDescriptor()), false, 'generic descriptor is not a Data Descriptor'); |
| |
| t.end(); |
| }); |
| |
| test('IsGenericDescriptor', function (t) { |
| forEach(v.nonUndefinedPrimitives, function (primitive) { |
| t['throws']( |
| function () { ES.IsGenericDescriptor(primitive); }, |
| TypeError, |
| debug(primitive) + ' is not a Property Descriptor' |
| ); |
| }); |
| |
| t.equal(ES.IsGenericDescriptor(), false, 'no value is not a Data Descriptor'); |
| t.equal(ES.IsGenericDescriptor(undefined), false, 'undefined value is not a Data Descriptor'); |
| |
| t.equal(ES.IsGenericDescriptor(v.accessorDescriptor()), false, 'accessor descriptor is not a generic Descriptor'); |
| t.equal(ES.IsGenericDescriptor(v.mutatorDescriptor()), false, 'mutator descriptor is not a generic Descriptor'); |
| t.equal(ES.IsGenericDescriptor(v.dataDescriptor()), false, 'data descriptor is not a generic Descriptor'); |
| |
| t.equal(ES.IsGenericDescriptor(v.genericDescriptor()), true, 'generic descriptor is a generic Descriptor'); |
| |
| t.end(); |
| }); |
| |
| test('FromPropertyDescriptor', function (t) { |
| t.equal(ES.FromPropertyDescriptor(), undefined, 'no value begets undefined'); |
| t.equal(ES.FromPropertyDescriptor(undefined), undefined, 'undefined value begets undefined'); |
| |
| forEach(v.nonUndefinedPrimitives, function (primitive) { |
| t['throws']( |
| function () { ES.FromPropertyDescriptor(primitive); }, |
| TypeError, |
| debug(primitive) + ' is not a Property Descriptor' |
| ); |
| }); |
| |
| var accessor = v.accessorDescriptor(); |
| t.deepEqual(ES.FromPropertyDescriptor(accessor), { |
| get: accessor['[[Get]]'], |
| enumerable: !!accessor['[[Enumerable]]'], |
| configurable: !!accessor['[[Configurable]]'] |
| }); |
| |
| var mutator = v.mutatorDescriptor(); |
| t.deepEqual(ES.FromPropertyDescriptor(mutator), { |
| set: mutator['[[Set]]'], |
| enumerable: !!mutator['[[Enumerable]]'], |
| configurable: !!mutator['[[Configurable]]'] |
| }); |
| var data = v.dataDescriptor(); |
| t.deepEqual(ES.FromPropertyDescriptor(data), { |
| value: data['[[Value]]'], |
| writable: data['[[Writable]]'] |
| }); |
| |
| t.deepEqual(ES.FromPropertyDescriptor(v.genericDescriptor()), { |
| enumerable: false, |
| configurable: true |
| }); |
| |
| t.end(); |
| }); |
| |
| test('ToPropertyDescriptor', function (t) { |
| forEach(v.nonUndefinedPrimitives, function (primitive) { |
| t['throws']( |
| function () { ES.ToPropertyDescriptor(primitive); }, |
| TypeError, |
| debug(primitive) + ' is not an Object' |
| ); |
| }); |
| |
| var accessor = v.accessorDescriptor(); |
| t.deepEqual(ES.ToPropertyDescriptor({ |
| get: accessor['[[Get]]'], |
| enumerable: !!accessor['[[Enumerable]]'], |
| configurable: !!accessor['[[Configurable]]'] |
| }), accessor); |
| |
| var mutator = v.mutatorDescriptor(); |
| t.deepEqual(ES.ToPropertyDescriptor({ |
| set: mutator['[[Set]]'], |
| enumerable: !!mutator['[[Enumerable]]'], |
| configurable: !!mutator['[[Configurable]]'] |
| }), mutator); |
| |
| var data = v.dataDescriptor(); |
| t.deepEqual(ES.ToPropertyDescriptor({ |
| value: data['[[Value]]'], |
| writable: data['[[Writable]]'], |
| configurable: !!data['[[Configurable]]'] |
| }), assign(data, { '[[Configurable]]': false })); |
| |
| var both = v.bothDescriptor(); |
| t['throws']( |
| function () { |
| ES.FromPropertyDescriptor({ get: both['[[Get]]'], value: both['[[Value]]'] }); |
| }, |
| TypeError, |
| 'data and accessor descriptors are mutually exclusive' |
| ); |
| |
| t.end(); |
| }); |
| |
| test('CompletePropertyDescriptor', function (t) { |
| forEach(v.nonUndefinedPrimitives, function (primitive) { |
| t['throws']( |
| function () { ES.CompletePropertyDescriptor(primitive); }, |
| TypeError, |
| debug(primitive) + ' is not a Property Descriptor' |
| ); |
| }); |
| |
| var generic = v.genericDescriptor(); |
| t.deepEqual( |
| ES.CompletePropertyDescriptor(generic), |
| { |
| '[[Configurable]]': !!generic['[[Configurable]]'], |
| '[[Enumerable]]': !!generic['[[Enumerable]]'], |
| '[[Value]]': undefined, |
| '[[Writable]]': false |
| }, |
| 'completes a Generic Descriptor' |
| ); |
| |
| var data = v.dataDescriptor(); |
| t.deepEqual( |
| ES.CompletePropertyDescriptor(data), |
| { |
| '[[Configurable]]': !!data['[[Configurable]]'], |
| '[[Enumerable]]': false, |
| '[[Value]]': data['[[Value]]'], |
| '[[Writable]]': !!data['[[Writable]]'] |
| }, |
| 'completes a Data Descriptor' |
| ); |
| |
| var accessor = v.accessorDescriptor(); |
| t.deepEqual( |
| ES.CompletePropertyDescriptor(accessor), |
| { |
| '[[Get]]': accessor['[[Get]]'], |
| '[[Enumerable]]': !!accessor['[[Enumerable]]'], |
| '[[Configurable]]': !!accessor['[[Configurable]]'], |
| '[[Set]]': undefined |
| }, |
| 'completes an Accessor Descriptor' |
| ); |
| |
| var mutator = v.mutatorDescriptor(); |
| t.deepEqual( |
| ES.CompletePropertyDescriptor(mutator), |
| { |
| '[[Set]]': mutator['[[Set]]'], |
| '[[Enumerable]]': !!mutator['[[Enumerable]]'], |
| '[[Configurable]]': !!mutator['[[Configurable]]'], |
| '[[Get]]': undefined |
| }, |
| 'completes a mutator Descriptor' |
| ); |
| |
| t['throws']( |
| function () { ES.CompletePropertyDescriptor(v.bothDescriptor()); }, |
| TypeError, |
| 'data and accessor descriptors are mutually exclusive' |
| ); |
| |
| t.end(); |
| }); |
| |
| test('Set', function (t) { |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.Set(primitive, '', null, false); }, |
| TypeError, |
| debug(primitive) + ' is not an Object' |
| ); |
| }); |
| |
| forEach(v.nonPropertyKeys, function (nonKey) { |
| t['throws']( |
| function () { ES.Set({}, nonKey, null, false); }, |
| TypeError, |
| debug(nonKey) + ' is not a Property Key' |
| ); |
| }); |
| |
| forEach(v.nonBooleans, function (nonBoolean) { |
| t['throws']( |
| function () { ES.Set({}, '', null, nonBoolean); }, |
| TypeError, |
| debug(nonBoolean) + ' is not a Boolean' |
| ); |
| }); |
| |
| var o = {}; |
| var value = {}; |
| ES.Set(o, 'key', value, true); |
| t.deepEqual(o, { key: value }, 'key is set'); |
| |
| t.test('nonwritable', { skip: !Object.defineProperty }, function (st) { |
| var obj = { a: value }; |
| Object.defineProperty(obj, 'a', { writable: false }); |
| |
| st['throws']( |
| function () { ES.Set(obj, 'a', value, true); }, |
| TypeError, |
| 'can not Set nonwritable property' |
| ); |
| |
| st.doesNotThrow( |
| function () { ES.Set(obj, 'a', value, false); }, |
| 'setting Throw to false prevents an exception' |
| ); |
| |
| st.end(); |
| }); |
| |
| t.test('nonconfigurable', { skip: !Object.defineProperty }, function (st) { |
| var obj = { a: value }; |
| Object.defineProperty(obj, 'a', { configurable: false }); |
| |
| ES.Set(obj, 'a', value, true); |
| st.deepEqual(obj, { a: value }, 'key is set'); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('HasOwnProperty', function (t) { |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.HasOwnProperty(primitive, 'key'); }, |
| TypeError, |
| debug(primitive) + ' is not an Object' |
| ); |
| }); |
| |
| forEach(v.nonPropertyKeys, function (nonKey) { |
| t['throws']( |
| function () { ES.HasOwnProperty({}, nonKey); }, |
| TypeError, |
| debug(nonKey) + ' is not a Property Key' |
| ); |
| }); |
| |
| t.equal(ES.HasOwnProperty({}, 'toString'), false, 'inherited properties are not own'); |
| t.equal( |
| ES.HasOwnProperty({ toString: 1 }, 'toString'), |
| true, |
| 'shadowed inherited own properties are own' |
| ); |
| t.equal(ES.HasOwnProperty({ a: 1 }, 'a'), true, 'own properties are own'); |
| |
| t.end(); |
| }); |
| |
| test('HasProperty', function (t) { |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.HasProperty(primitive, 'key'); }, |
| TypeError, |
| debug(primitive) + ' is not an Object' |
| ); |
| }); |
| |
| forEach(v.nonPropertyKeys, function (nonKey) { |
| t['throws']( |
| function () { ES.HasProperty({}, nonKey); }, |
| TypeError, |
| debug(nonKey) + ' is not a Property Key' |
| ); |
| }); |
| |
| t.equal(ES.HasProperty({}, 'nope'), false, 'object does not have nonexistent properties'); |
| t.equal(ES.HasProperty({}, 'toString'), true, 'object has inherited properties'); |
| t.equal( |
| ES.HasProperty({ toString: 1 }, 'toString'), |
| true, |
| 'object has shadowed inherited own properties' |
| ); |
| t.equal(ES.HasProperty({ a: 1 }, 'a'), true, 'object has own properties'); |
| |
| t.end(); |
| }); |
| |
| test('IsConcatSpreadable', function (t) { |
| forEach(v.primitives, function (primitive) { |
| t.equal(ES.IsConcatSpreadable(primitive), false, debug(primitive) + ' is not an Object'); |
| }); |
| |
| var hasSymbolConcatSpreadable = v.hasSymbols && Symbol.isConcatSpreadable; |
| t.test('Symbol.isConcatSpreadable', { skip: !hasSymbolConcatSpreadable }, function (st) { |
| forEach(v.falsies, function (falsy) { |
| var obj = {}; |
| obj[Symbol.isConcatSpreadable] = falsy; |
| st.equal( |
| ES.IsConcatSpreadable(obj), |
| false, |
| 'an object with ' + debug(falsy) + ' as Symbol.isConcatSpreadable is not concat spreadable' |
| ); |
| }); |
| |
| forEach(v.truthies, function (truthy) { |
| var obj = {}; |
| obj[Symbol.isConcatSpreadable] = truthy; |
| st.equal( |
| ES.IsConcatSpreadable(obj), |
| true, |
| 'an object with ' + debug(truthy) + ' as Symbol.isConcatSpreadable is concat spreadable' |
| ); |
| }); |
| |
| st.end(); |
| }); |
| |
| forEach(v.objects, function (object) { |
| t.equal( |
| ES.IsConcatSpreadable(object), |
| false, |
| 'non-array without Symbol.isConcatSpreadable is not concat spreadable' |
| ); |
| }); |
| |
| t.equal(ES.IsConcatSpreadable([]), true, 'arrays are concat spreadable'); |
| |
| t.end(); |
| }); |
| |
| test('Invoke', function (t) { |
| forEach(v.nonPropertyKeys, function (nonKey) { |
| t['throws']( |
| function () { ES.Invoke({}, nonKey); }, |
| TypeError, |
| debug(nonKey) + ' is not a Property Key' |
| ); |
| }); |
| |
| t['throws'](function () { ES.Invoke({ o: false }, 'o'); }, TypeError, 'fails on a non-function'); |
| |
| t.test('invoked callback', function (st) { |
| var aValue = {}; |
| var bValue = {}; |
| var obj = { |
| f: function (a) { |
| st.equal(arguments.length, 2, '2 args passed'); |
| st.equal(a, aValue, 'first arg is correct'); |
| st.equal(arguments[1], bValue, 'second arg is correct'); |
| } |
| }; |
| st.plan(3); |
| ES.Invoke(obj, 'f', aValue, bValue); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('GetIterator', function (t) { |
| var arr = [1, 2]; |
| testIterator(t, ES.GetIterator(arr), arr); |
| |
| testIterator(t, ES.GetIterator('abc'), 'abc'.split('')); |
| |
| t.test('Symbol.iterator', { skip: !v.hasSymbols }, function (st) { |
| var m = new Map(); |
| m.set(1, 'a'); |
| m.set(2, 'b'); |
| |
| testIterator(st, ES.GetIterator(m), [[1, 'a'], [2, 'b']]); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('IteratorNext', { skip: true }); |
| |
| test('IteratorComplete', { skip: true }); |
| |
| test('IteratorValue', { skip: true }); |
| |
| test('IteratorStep', { skip: true }); |
| |
| test('IteratorClose', { skip: true }); |
| |
| test('CreateIterResultObject', function (t) { |
| forEach(v.nonBooleans, function (nonBoolean) { |
| t['throws']( |
| function () { ES.CreateIterResultObject({}, nonBoolean); }, |
| TypeError, |
| '"done" argument must be a boolean; ' + debug(nonBoolean) + ' is not' |
| ); |
| }); |
| |
| var value = {}; |
| t.deepEqual( |
| ES.CreateIterResultObject(value, true), |
| { value: value, done: true }, |
| 'creates a "done" iteration result' |
| ); |
| t.deepEqual( |
| ES.CreateIterResultObject(value, false), |
| { value: value, done: false }, |
| 'creates a "not done" iteration result' |
| ); |
| |
| t.end(); |
| }); |
| |
| test('RegExpExec', function (t) { |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.RegExpExec(primitive); }, |
| TypeError, |
| '"R" argument must be an object; ' + debug(primitive) + ' is not' |
| ); |
| }); |
| |
| forEach(v.nonStrings, function (nonString) { |
| t['throws']( |
| function () { ES.RegExpExec({}, nonString); }, |
| TypeError, |
| '"S" argument must be a String; ' + debug(nonString) + ' is not' |
| ); |
| }); |
| |
| t.test('gets and calls a callable "exec"', function (st) { |
| var str = '123'; |
| var o = { |
| exec: function (S) { |
| st.equal(this, o, '"exec" receiver is R'); |
| st.equal(S, str, '"exec" argument is S'); |
| |
| return null; |
| } |
| }; |
| st.plan(2); |
| ES.RegExpExec(o, str); |
| st.end(); |
| }); |
| |
| t.test('throws if a callable "exec" returns a non-null non-object', function (st) { |
| var str = '123'; |
| st.plan(v.nonNullPrimitives.length); |
| forEach(v.nonNullPrimitives, function (nonNullPrimitive) { |
| st['throws']( |
| function () { ES.RegExpExec({ exec: function () { return nonNullPrimitive; } }, str); }, |
| TypeError, |
| '"exec" method must return `null` or an Object; ' + debug(nonNullPrimitive) + ' is not' |
| ); |
| }); |
| st.end(); |
| }); |
| |
| t.test('actual regex that should match against a string', function (st) { |
| var S = 'aabc'; |
| var R = /a/g; |
| var match1 = ES.RegExpExec(R, S); |
| var match2 = ES.RegExpExec(R, S); |
| var match3 = ES.RegExpExec(R, S); |
| st.deepEqual(match1, assign(['a'], groups({ index: 0, input: S })), 'match object 1 is as expected'); |
| st.deepEqual(match2, assign(['a'], groups({ index: 1, input: S })), 'match object 2 is as expected'); |
| st.equal(match3, null, 'match 3 is null as expected'); |
| st.end(); |
| }); |
| |
| t.test('actual regex that should match against a string, with shadowed "exec"', function (st) { |
| var S = 'aabc'; |
| var R = /a/g; |
| R.exec = undefined; |
| var match1 = ES.RegExpExec(R, S); |
| var match2 = ES.RegExpExec(R, S); |
| var match3 = ES.RegExpExec(R, S); |
| st.deepEqual(match1, assign(['a'], groups({ index: 0, input: S })), 'match object 1 is as expected'); |
| st.deepEqual(match2, assign(['a'], groups({ index: 1, input: S })), 'match object 2 is as expected'); |
| st.equal(match3, null, 'match 3 is null as expected'); |
| st.end(); |
| }); |
| t.end(); |
| }); |
| |
| test('ArraySpeciesCreate', function (t) { |
| t.test('errors', function (st) { |
| var testNonNumber = function (nonNumber) { |
| st['throws']( |
| function () { ES.ArraySpeciesCreate([], nonNumber); }, |
| TypeError, |
| debug(nonNumber) + ' is not a number' |
| ); |
| }; |
| forEach(v.nonNumbers, testNonNumber); |
| |
| st['throws']( |
| function () { ES.ArraySpeciesCreate([], -1); }, |
| TypeError, |
| '-1 is not >= 0' |
| ); |
| st['throws']( |
| function () { ES.ArraySpeciesCreate([], -Infinity); }, |
| TypeError, |
| '-Infinity is not >= 0' |
| ); |
| |
| var testNonIntegers = function (nonInteger) { |
| st['throws']( |
| function () { ES.ArraySpeciesCreate([], nonInteger); }, |
| TypeError, |
| debug(nonInteger) + ' is not an integer' |
| ); |
| }; |
| forEach(v.nonIntegerNumbers, testNonIntegers); |
| |
| st.end(); |
| }); |
| |
| t.test('works with a non-array', function (st) { |
| forEach(v.objects.concat(v.primitives), function (nonArray) { |
| var arr = ES.ArraySpeciesCreate(nonArray, 0); |
| st.ok(ES.IsArray(arr), 'is an array'); |
| st.equal(arr.length, 0, 'length is correct'); |
| st.equal(arr.constructor, Array, 'constructor is correct'); |
| }); |
| |
| st.end(); |
| }); |
| |
| t.test('works with a normal array', function (st) { |
| var len = 2; |
| var orig = [1, 2, 3]; |
| var arr = ES.ArraySpeciesCreate(orig, len); |
| |
| st.ok(ES.IsArray(arr), 'is an array'); |
| st.equal(arr.length, len, 'length is correct'); |
| st.equal(arr.constructor, orig.constructor, 'constructor is correct'); |
| |
| st.end(); |
| }); |
| |
| t.test('-0 length produces +0 length', function (st) { |
| var len = -0; |
| st.ok(is(len, -0), '-0 is negative zero'); |
| st.notOk(is(len, 0), '-0 is not positive zero'); |
| |
| var orig = [1, 2, 3]; |
| var arr = ES.ArraySpeciesCreate(orig, len); |
| |
| st.equal(ES.IsArray(arr), true); |
| st.ok(is(arr.length, 0)); |
| st.equal(arr.constructor, orig.constructor); |
| |
| st.end(); |
| }); |
| |
| t.test('works with species construtor', { skip: !hasSpecies }, function (st) { |
| var sentinel = {}; |
| var Foo = function Foo(len) { |
| this.length = len; |
| this.sentinel = sentinel; |
| }; |
| var Bar = getArraySubclassWithSpeciesConstructor(Foo); |
| var bar = new Bar(); |
| |
| t.equal(ES.IsArray(bar), true, 'Bar instance is an array'); |
| |
| var arr = ES.ArraySpeciesCreate(bar, 3); |
| st.equal(arr.constructor, Foo, 'result used species constructor'); |
| st.equal(arr.length, 3, 'length property is correct'); |
| st.equal(arr.sentinel, sentinel, 'Foo constructor was exercised'); |
| |
| st.end(); |
| }); |
| |
| t.test('works with null species constructor', { skip: !hasSpecies }, function (st) { |
| var Bar = getArraySubclassWithSpeciesConstructor(null); |
| var bar = new Bar(); |
| |
| t.equal(ES.IsArray(bar), true, 'Bar instance is an array'); |
| |
| var arr = ES.ArraySpeciesCreate(bar, 3); |
| st.equal(arr.constructor, Array, 'result used default constructor'); |
| st.equal(arr.length, 3, 'length property is correct'); |
| |
| st.end(); |
| }); |
| |
| t.test('works with undefined species constructor', { skip: !hasSpecies }, function (st) { |
| var Bar = getArraySubclassWithSpeciesConstructor(); |
| var bar = new Bar(); |
| |
| t.equal(ES.IsArray(bar), true, 'Bar instance is an array'); |
| |
| var arr = ES.ArraySpeciesCreate(bar, 3); |
| st.equal(arr.constructor, Array, 'result used default constructor'); |
| st.equal(arr.length, 3, 'length property is correct'); |
| |
| st.end(); |
| }); |
| |
| t.test('throws with object non-construtor species constructor', { skip: !hasSpecies }, function (st) { |
| forEach(v.objects, function (obj) { |
| var Bar = getArraySubclassWithSpeciesConstructor(obj); |
| var bar = new Bar(); |
| |
| st.equal(ES.IsArray(bar), true, 'Bar instance is an array'); |
| |
| st['throws']( |
| function () { ES.ArraySpeciesCreate(bar, 3); }, |
| TypeError, |
| debug(obj) + ' is not a constructor' |
| ); |
| }); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('CreateDataProperty', function (t) { |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.CreateDataProperty(primitive); }, |
| TypeError, |
| debug(primitive) + ' is not an object' |
| ); |
| }); |
| |
| forEach(v.nonPropertyKeys, function (nonPropertyKey) { |
| t['throws']( |
| function () { ES.CreateDataProperty({}, nonPropertyKey); }, |
| TypeError, |
| debug(nonPropertyKey) + ' is not a property key' |
| ); |
| }); |
| |
| var sentinel = {}; |
| forEach(v.propertyKeys, function (propertyKey) { |
| var obj = {}; |
| var status = ES.CreateDataProperty(obj, propertyKey, sentinel); |
| t.equal(status, true, 'status is true'); |
| t.equal( |
| obj[propertyKey], |
| sentinel, |
| debug(sentinel) + ' is installed on "' + debug(propertyKey) + '" on the object' |
| ); |
| |
| if (typeof Object.defineProperty === 'function') { |
| var nonWritable = Object.defineProperty({}, propertyKey, { configurable: true, writable: false }); |
| |
| var nonWritableStatus = ES.CreateDataProperty(nonWritable, propertyKey, sentinel); |
| t.equal(nonWritableStatus, false, 'create data property failed'); |
| t.notEqual( |
| nonWritable[propertyKey], |
| sentinel, |
| debug(sentinel) + ' is not installed on "' + debug(propertyKey) + '" on the object when key is nonwritable' |
| ); |
| |
| var nonConfigurable = Object.defineProperty({}, propertyKey, { configurable: false, writable: true }); |
| |
| var nonConfigurableStatus = ES.CreateDataProperty(nonConfigurable, propertyKey, sentinel); |
| t.equal(nonConfigurableStatus, false, 'create data property failed'); |
| t.notEqual( |
| nonConfigurable[propertyKey], |
| sentinel, |
| debug(sentinel) + ' is not installed on "' + debug(propertyKey) + '" on the object when key is nonconfigurable' |
| ); |
| } |
| }); |
| |
| t.end(); |
| }); |
| |
| test('CreateDataPropertyOrThrow', function (t) { |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.CreateDataPropertyOrThrow(primitive); }, |
| TypeError, |
| debug(primitive) + ' is not an object' |
| ); |
| }); |
| |
| forEach(v.nonPropertyKeys, function (nonPropertyKey) { |
| t['throws']( |
| function () { ES.CreateDataPropertyOrThrow({}, nonPropertyKey); }, |
| TypeError, |
| debug(nonPropertyKey) + ' is not a property key' |
| ); |
| }); |
| |
| var sentinel = {}; |
| forEach(v.propertyKeys, function (propertyKey) { |
| var obj = {}; |
| var status = ES.CreateDataPropertyOrThrow(obj, propertyKey, sentinel); |
| t.equal(status, true, 'status is true'); |
| t.equal( |
| obj[propertyKey], |
| sentinel, |
| debug(sentinel) + ' is installed on "' + debug(propertyKey) + '" on the object' |
| ); |
| |
| if (typeof Object.preventExtensions === 'function') { |
| var notExtensible = {}; |
| Object.preventExtensions(notExtensible); |
| |
| t['throws']( |
| function () { ES.CreateDataPropertyOrThrow(notExtensible, propertyKey, sentinel); }, |
| TypeError, |
| 'can not install ' + debug(propertyKey) + ' on non-extensible object' |
| ); |
| t.notEqual( |
| notExtensible[propertyKey], |
| sentinel, |
| debug(sentinel) + ' is not installed on "' + debug(propertyKey) + '" on the object' |
| ); |
| } |
| }); |
| |
| t.end(); |
| }); |
| |
| test('ObjectCreate', function (t) { |
| forEach(v.nonNullPrimitives, function (value) { |
| t['throws']( |
| function () { ES.ObjectCreate(value); }, |
| TypeError, |
| debug(value) + ' is not null, or an object' |
| ); |
| }); |
| |
| t.test('proto arg', function (st) { |
| var Parent = function Parent() {}; |
| Parent.prototype.foo = {}; |
| var child = ES.ObjectCreate(Parent.prototype); |
| st.equal(child instanceof Parent, true, 'child is instanceof Parent'); |
| st.equal(child.foo, Parent.prototype.foo, 'child inherits properties from Parent.prototype'); |
| |
| st.end(); |
| }); |
| |
| t.test('internal slots arg', function (st) { |
| st.doesNotThrow(function () { ES.ObjectCreate(null, []); }, 'an empty slot list is valid'); |
| |
| st['throws']( |
| function () { ES.ObjectCreate(null, ['a']); }, |
| SyntaxError, |
| 'internal slots are not supported' |
| ); |
| |
| st.end(); |
| }); |
| |
| t.test('null proto', { skip: !Object.create }, function (st) { |
| st.equal('toString' in {}, true, 'normal objects have toString'); |
| st.equal('toString' in ES.ObjectCreate(null), false, 'makes a null object'); |
| |
| st.end(); |
| }); |
| |
| t.test('null proto when no native Object.create', { skip: Object.create }, function (st) { |
| st['throws']( |
| function () { ES.ObjectCreate(null); }, |
| SyntaxError, |
| 'without a native Object.create, can not create null objects' |
| ); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('AdvanceStringIndex', function (t) { |
| forEach(v.nonStrings, function (nonString) { |
| t['throws']( |
| function () { ES.AdvanceStringIndex(nonString); }, |
| TypeError, |
| '"S" argument must be a String; ' + debug(nonString) + ' is not' |
| ); |
| }); |
| |
| var notInts = v.nonNumbers.concat( |
| v.nonIntegerNumbers, |
| v.infinities, |
| [NaN, [], new Date(), Math.pow(2, 53), -1] |
| ); |
| forEach(notInts, function (nonInt) { |
| t['throws']( |
| function () { ES.AdvanceStringIndex('abc', nonInt); }, |
| TypeError, |
| '"index" argument must be an integer, ' + debug(nonInt) + ' is not.' |
| ); |
| }); |
| |
| forEach(v.nonBooleans, function (nonBoolean) { |
| t['throws']( |
| function () { ES.AdvanceStringIndex('abc', 0, nonBoolean); }, |
| TypeError, |
| debug(nonBoolean) + ' is not a Boolean' |
| ); |
| }); |
| |
| var str = 'a\uD83D\uDCA9c'; |
| |
| t.test('non-unicode mode', function (st) { |
| for (var i = 0; i < str.length + 2; i += 1) { |
| st.equal(ES.AdvanceStringIndex(str, i, false), i + 1, i + ' advances to ' + (i + 1)); |
| } |
| |
| st.end(); |
| }); |
| |
| t.test('unicode mode', function (st) { |
| st.equal(ES.AdvanceStringIndex(str, 0, true), 1, '0 advances to 1'); |
| st.equal(ES.AdvanceStringIndex(str, 1, true), 3, '1 advances to 3'); |
| st.equal(ES.AdvanceStringIndex(str, 2, true), 3, '2 advances to 3'); |
| st.equal(ES.AdvanceStringIndex(str, 3, true), 4, '3 advances to 4'); |
| st.equal(ES.AdvanceStringIndex(str, 4, true), 5, '4 advances to 5'); |
| |
| st.end(); |
| }); |
| |
| t.test('lone surrogates', function (st) { |
| var halfPoo = 'a\uD83Dc'; |
| |
| st.equal(ES.AdvanceStringIndex(halfPoo, 0, true), 1, '0 advances to 1'); |
| st.equal(ES.AdvanceStringIndex(halfPoo, 1, true), 2, '1 advances to 2'); |
| st.equal(ES.AdvanceStringIndex(halfPoo, 2, true), 3, '2 advances to 3'); |
| st.equal(ES.AdvanceStringIndex(halfPoo, 3, true), 4, '3 advances to 4'); |
| |
| st.end(); |
| }); |
| |
| t.test('surrogate pairs', function (st) { |
| var lowestPair = String.fromCharCode('0xD800') + String.fromCharCode('0xDC00'); |
| var highestPair = String.fromCharCode('0xDBFF') + String.fromCharCode('0xDFFF'); |
| var poop = String.fromCharCode('0xD83D') + String.fromCharCode('0xDCA9'); |
| |
| st.equal(ES.AdvanceStringIndex(lowestPair, 0, true), 2, 'lowest surrogate pair, 0 -> 2'); |
| st.equal(ES.AdvanceStringIndex(highestPair, 0, true), 2, 'highest surrogate pair, 0 -> 2'); |
| st.equal(ES.AdvanceStringIndex(poop, 0, true), 2, 'poop, 0 -> 2'); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('CreateMethodProperty', function (t) { |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.CreateMethodProperty(primitive, 'key'); }, |
| TypeError, |
| 'O must be an Object' |
| ); |
| }); |
| |
| forEach(v.nonPropertyKeys, function (nonPropertyKey) { |
| t['throws']( |
| function () { ES.CreateMethodProperty({}, nonPropertyKey); }, |
| TypeError, |
| debug(nonPropertyKey) + ' is not a Property Key' |
| ); |
| }); |
| |
| t.test('defines correctly', function (st) { |
| var obj = {}; |
| var key = 'the key'; |
| var value = { foo: 'bar' }; |
| |
| st.equal(ES.CreateMethodProperty(obj, key, value), true, 'defines property successfully'); |
| st.test('property descriptor', { skip: !Object.getOwnPropertyDescriptor }, function (s2t) { |
| s2t.deepEqual( |
| Object.getOwnPropertyDescriptor(obj, key), |
| { |
| configurable: true, |
| enumerable: false, |
| value: value, |
| writable: true |
| }, |
| 'sets the correct property descriptor' |
| ); |
| |
| s2t.end(); |
| }); |
| st.equal(obj[key], value, 'sets the correct value'); |
| |
| st.end(); |
| }); |
| |
| t.test('fails as expected on a frozen object', { skip: !Object.freeze }, function (st) { |
| var obj = Object.freeze({ foo: 'bar' }); |
| st['throws']( |
| function () { ES.CreateMethodProperty(obj, 'foo', { value: 'baz' }); }, |
| TypeError, |
| 'nonconfigurable key can not be defined' |
| ); |
| |
| st.end(); |
| }); |
| |
| var hasNonConfigurableFunctionName = !Object.getOwnPropertyDescriptor |
| || !Object.getOwnPropertyDescriptor(function () {}, 'name').configurable; |
| t.test('fails as expected on a function with a nonconfigurable name', { skip: !hasNonConfigurableFunctionName }, function (st) { |
| st['throws']( |
| function () { ES.CreateMethodProperty(function () {}, 'name', { value: 'baz' }); }, |
| TypeError, |
| 'nonconfigurable function name can not be defined' |
| ); |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('DefinePropertyOrThrow', function (t) { |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.DefinePropertyOrThrow(primitive, 'key', {}); }, |
| TypeError, |
| 'O must be an Object' |
| ); |
| }); |
| |
| forEach(v.nonPropertyKeys, function (nonPropertyKey) { |
| t['throws']( |
| function () { ES.DefinePropertyOrThrow({}, nonPropertyKey, {}); }, |
| TypeError, |
| debug(nonPropertyKey) + ' is not a Property Key' |
| ); |
| }); |
| |
| t.test('defines correctly', function (st) { |
| var obj = {}; |
| var key = 'the key'; |
| var descriptor = { |
| configurable: true, |
| enumerable: false, |
| value: { foo: 'bar' }, |
| writable: true |
| }; |
| |
| st.equal(ES.DefinePropertyOrThrow(obj, key, descriptor), true, 'defines property successfully'); |
| st.test('property descriptor', { skip: !Object.getOwnPropertyDescriptor }, function (s2t) { |
| s2t.deepEqual( |
| Object.getOwnPropertyDescriptor(obj, key), |
| descriptor, |
| 'sets the correct property descriptor' |
| ); |
| |
| s2t.end(); |
| }); |
| st.deepEqual(obj[key], descriptor.value, 'sets the correct value'); |
| |
| st.end(); |
| }); |
| |
| t.test('fails as expected on a frozen object', { skip: !Object.freeze }, function (st) { |
| var obj = Object.freeze({ foo: 'bar' }); |
| st['throws']( |
| function () { |
| ES.DefinePropertyOrThrow(obj, 'foo', { configurable: true, value: 'baz' }); |
| }, |
| TypeError, |
| 'nonconfigurable key can not be defined' |
| ); |
| |
| st.end(); |
| }); |
| |
| var hasNonConfigurableFunctionName = !Object.getOwnPropertyDescriptor |
| || !Object.getOwnPropertyDescriptor(function () {}, 'name').configurable; |
| t.test('fails as expected on a function with a nonconfigurable name', { skip: !hasNonConfigurableFunctionName }, function (st) { |
| st['throws']( |
| function () { |
| ES.DefinePropertyOrThrow(function () {}, 'name', { configurable: true, value: 'baz' }); |
| }, |
| TypeError, |
| 'nonconfigurable function name can not be defined' |
| ); |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('DeletePropertyOrThrow', function (t) { |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.DeletePropertyOrThrow(primitive, 'key', {}); }, |
| TypeError, |
| 'O must be an Object' |
| ); |
| }); |
| |
| forEach(v.nonPropertyKeys, function (nonPropertyKey) { |
| t['throws']( |
| function () { ES.DeletePropertyOrThrow({}, nonPropertyKey, {}); }, |
| TypeError, |
| debug(nonPropertyKey) + ' is not a Property Key' |
| ); |
| }); |
| |
| t.test('defines correctly', function (st) { |
| var obj = { 'the key': 42 }; |
| var key = 'the key'; |
| |
| st.equal(ES.DeletePropertyOrThrow(obj, key), true, 'deletes property successfully'); |
| st.equal(key in obj, false, 'key is no longer in the object'); |
| |
| st.end(); |
| }); |
| |
| t.test('fails as expected on a frozen object', { skip: !Object.freeze }, function (st) { |
| var obj = Object.freeze({ foo: 'bar' }); |
| st['throws']( |
| function () { ES.DeletePropertyOrThrow(obj, 'foo'); }, |
| TypeError, |
| 'nonconfigurable key can not be deleted' |
| ); |
| |
| st.end(); |
| }); |
| |
| var hasNonConfigurableFunctionName = !Object.getOwnPropertyDescriptor |
| || !Object.getOwnPropertyDescriptor(function () {}, 'name').configurable; |
| t.test('fails as expected on a function with a nonconfigurable name', { skip: !hasNonConfigurableFunctionName }, function (st) { |
| st['throws']( |
| function () { ES.DeletePropertyOrThrow(function () {}, 'name'); }, |
| TypeError, |
| 'nonconfigurable function name can not be deleted' |
| ); |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('EnumerableOwnNames', { skip: skips && skips.EnumerableOwnNames }, function (t) { |
| var obj = testEnumerableOwnNames(t, function (O) { return ES.EnumerableOwnNames(O); }); |
| |
| t.deepEqual( |
| ES.EnumerableOwnNames(obj), |
| ['own'], |
| 'returns enumerable own names' |
| ); |
| |
| t.end(); |
| }); |
| |
| test('thisNumberValue', function (t) { |
| forEach(v.nonNumbers, function (nonNumber) { |
| t['throws']( |
| function () { ES.thisNumberValue(nonNumber); }, |
| TypeError, |
| debug(nonNumber) + ' is not a Number' |
| ); |
| }); |
| |
| forEach(v.numbers, function (number) { |
| t.equal(ES.thisNumberValue(number), number, debug(number) + ' is its own thisNumberValue'); |
| var obj = Object(number); |
| t.equal(ES.thisNumberValue(obj), number, debug(obj) + ' is the boxed thisNumberValue'); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('thisBooleanValue', function (t) { |
| forEach(v.nonBooleans, function (nonBoolean) { |
| t['throws']( |
| function () { ES.thisBooleanValue(nonBoolean); }, |
| TypeError, |
| debug(nonBoolean) + ' is not a Boolean' |
| ); |
| }); |
| |
| forEach(v.booleans, function (boolean) { |
| t.equal(ES.thisBooleanValue(boolean), boolean, debug(boolean) + ' is its own thisBooleanValue'); |
| var obj = Object(boolean); |
| t.equal(ES.thisBooleanValue(obj), boolean, debug(obj) + ' is the boxed thisBooleanValue'); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('thisStringValue', function (t) { |
| forEach(v.nonStrings, function (nonString) { |
| t['throws']( |
| function () { ES.thisStringValue(nonString); }, |
| TypeError, |
| debug(nonString) + ' is not a String' |
| ); |
| }); |
| |
| forEach(v.strings, function (string) { |
| t.equal(ES.thisStringValue(string), string, debug(string) + ' is its own thisStringValue'); |
| var obj = Object(string); |
| t.equal(ES.thisStringValue(obj), string, debug(obj) + ' is the boxed thisStringValue'); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('thisTimeValue', function (t) { |
| forEach(v.primitives.concat(v.objects), function (nonDate) { |
| t['throws']( |
| function () { ES.thisTimeValue(nonDate); }, |
| TypeError, |
| debug(nonDate) + ' is not a Date' |
| ); |
| }); |
| |
| forEach(v.timestamps, function (timestamp) { |
| var date = new Date(timestamp); |
| |
| t.equal(ES.thisTimeValue(date), timestamp, debug(date) + ' is its own thisTimeValue'); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('SetIntegrityLevel', function (t) { |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.SetIntegrityLevel(primitive); }, |
| TypeError, |
| debug(primitive) + ' is not an Object' |
| ); |
| }); |
| |
| t['throws']( |
| function () { ES.SetIntegrityLevel({}); }, |
| /^TypeError: Assertion failed: `level` must be `"sealed"` or `"frozen"`$/, |
| '`level` must be `"sealed"` or `"frozen"`' |
| ); |
| |
| var O = { a: 1 }; |
| t.equal(ES.SetIntegrityLevel(O, 'sealed'), true); |
| t['throws']( |
| function () { O.b = 2; }, |
| /^TypeError: (Cannot|Can't) add property b, object is not extensible$/, |
| 'sealing prevent new properties from being added' |
| ); |
| O.a = 2; |
| t.equal(O.a, 2, 'pre-frozen, existing properties are mutable'); |
| |
| t.equal(ES.SetIntegrityLevel(O, 'frozen'), true); |
| t['throws']( |
| function () { O.a = 3; }, |
| /^TypeError: Cannot assign to read only property 'a' of /, |
| 'freezing prevents existing properties from being mutated' |
| ); |
| |
| t.end(); |
| }); |
| |
| test('TestIntegrityLevel', function (t) { |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.TestIntegrityLevel(primitive); }, |
| TypeError, |
| debug(primitive) + ' is not an Object' |
| ); |
| }); |
| |
| t['throws']( |
| function () { ES.TestIntegrityLevel({ a: 1 }); }, |
| /^TypeError: Assertion failed: `level` must be `"sealed"` or `"frozen"`$/, |
| '`level` must be `"sealed"` or `"frozen"`' |
| ); |
| |
| t.equal(ES.TestIntegrityLevel({ a: 1 }, 'sealed'), false, 'basic object is not sealed'); |
| t.equal(ES.TestIntegrityLevel({ a: 1 }, 'frozen'), false, 'basic object is not frozen'); |
| |
| t.test('preventExtensions', { skip: !Object.preventExtensions }, function (st) { |
| var o = Object.preventExtensions({ a: 1 }); |
| st.equal(ES.TestIntegrityLevel(o, 'sealed'), false, 'nonextensible object is not sealed'); |
| st.equal(ES.TestIntegrityLevel(o, 'frozen'), false, 'nonextensible object is not frozen'); |
| |
| var empty = Object.preventExtensions({}); |
| st.equal(ES.TestIntegrityLevel(empty, 'sealed'), true, 'empty nonextensible object is sealed'); |
| st.equal(ES.TestIntegrityLevel(empty, 'frozen'), true, 'empty nonextensible object is frozen'); |
| st.end(); |
| }); |
| |
| t.test('seal', { skip: !Object.seal }, function (st) { |
| var o = Object.seal({ a: 1 }); |
| st.equal(ES.TestIntegrityLevel(o, 'sealed'), true, 'sealed object is sealed'); |
| st.equal(ES.TestIntegrityLevel(o, 'frozen'), false, 'sealed object is not frozen'); |
| |
| var empty = Object.seal({}); |
| st.equal(ES.TestIntegrityLevel(empty, 'sealed'), true, 'empty sealed object is sealed'); |
| st.equal(ES.TestIntegrityLevel(empty, 'frozen'), true, 'empty sealed object is frozen'); |
| |
| st.end(); |
| }); |
| |
| t.test('freeze', { skip: !Object.freeze }, function (st) { |
| var o = Object.freeze({ a: 1 }); |
| st.equal(ES.TestIntegrityLevel(o, 'sealed'), true, 'frozen object is sealed'); |
| st.equal(ES.TestIntegrityLevel(o, 'frozen'), true, 'frozen object is frozen'); |
| |
| var empty = Object.freeze({}); |
| st.equal(ES.TestIntegrityLevel(empty, 'sealed'), true, 'empty frozen object is sealed'); |
| st.equal(ES.TestIntegrityLevel(empty, 'frozen'), true, 'empty frozen object is frozen'); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('OrdinaryHasInstance', function (t) { |
| forEach(v.nonFunctions, function (nonFunction) { |
| t.equal(ES.OrdinaryHasInstance(nonFunction, {}), false, debug(nonFunction) + ' is not callable'); |
| }); |
| |
| forEach(v.primitives, function (primitive) { |
| t.equal(ES.OrdinaryHasInstance(function () {}, primitive), false, debug(primitive) + ' is not an object'); |
| }); |
| |
| var C = function C() {}; |
| var D = function D() {}; |
| t.equal(ES.OrdinaryHasInstance(C, new C()), true, 'constructor function has an instance of itself'); |
| t.equal(ES.OrdinaryHasInstance(C, new D()), false, 'constructor/instance mismatch is false'); |
| t.equal(ES.OrdinaryHasInstance(D, new C()), false, 'instance/constructor mismatch is false'); |
| t.equal(ES.OrdinaryHasInstance(C, {}), false, 'plain object is not an instance of a constructor'); |
| t.equal(ES.OrdinaryHasInstance(Object, {}), true, 'plain object is an instance of Object'); |
| |
| t.end(); |
| }); |
| |
| test('OrdinaryHasProperty', function (t) { |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.OrdinaryHasProperty(primitive, ''); }, |
| TypeError, |
| debug(primitive) + ' is not an object' |
| ); |
| }); |
| forEach(v.nonPropertyKeys, function (nonPropertyKey) { |
| t['throws']( |
| function () { ES.OrdinaryHasProperty({}, nonPropertyKey); }, |
| TypeError, |
| 'P: ' + debug(nonPropertyKey) + ' is not a Property Key' |
| ); |
| }); |
| |
| t.equal(ES.OrdinaryHasProperty({ a: 1 }, 'a'), true, 'own property is true'); |
| t.equal(ES.OrdinaryHasProperty({}, 'toString'), true, 'inherited property is true'); |
| t.equal(ES.OrdinaryHasProperty({}, 'nope'), false, 'absent property is false'); |
| |
| t.end(); |
| }); |
| |
| test('InstanceofOperator', function (t) { |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.InstanceofOperator(primitive, function () {}); }, |
| TypeError, |
| debug(primitive) + ' is not an object' |
| ); |
| }); |
| |
| forEach(v.nonFunctions, function (nonFunction) { |
| t['throws']( |
| function () { ES.InstanceofOperator({}, nonFunction); }, |
| TypeError, |
| debug(nonFunction) + ' is not callable' |
| ); |
| }); |
| |
| var C = function C() {}; |
| var D = function D() {}; |
| |
| t.equal(ES.InstanceofOperator(new C(), C), true, 'constructor function has an instance of itself'); |
| t.equal(ES.InstanceofOperator(new D(), C), false, 'constructor/instance mismatch is false'); |
| t.equal(ES.InstanceofOperator(new C(), D), false, 'instance/constructor mismatch is false'); |
| t.equal(ES.InstanceofOperator({}, C), false, 'plain object is not an instance of a constructor'); |
| t.equal(ES.InstanceofOperator({}, Object), true, 'plain object is an instance of Object'); |
| |
| t.test('Symbol.hasInstance', { skip: !v.hasSymbols || !Symbol.hasInstance }, function (st) { |
| st.plan(4); |
| |
| var O = {}; |
| var C2 = function () {}; |
| st.equal(ES.InstanceofOperator(O, C2), false, 'O is not an instance of C2'); |
| |
| Object.defineProperty(C2, Symbol.hasInstance, { |
| value: function (obj) { |
| st.equal(this, C2, 'hasInstance receiver is C2'); |
| st.equal(obj, O, 'hasInstance argument is O'); |
| |
| return {}; // testing coercion to boolean |
| } |
| }); |
| |
| st.equal(ES.InstanceofOperator(O, C2), true, 'O is now an instance of C2'); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('Abstract Equality Comparison', function (t) { |
| t.test('same types use ===', function (st) { |
| forEach(v.primitives.concat(v.objects), function (value) { |
| st.equal(ES['Abstract Equality Comparison'](value, value), value === value, debug(value) + ' is abstractly equal to itself'); |
| }); |
| st.end(); |
| }); |
| |
| t.test('different types coerce', function (st) { |
| var pairs = [ |
| [null, undefined], |
| [3, '3'], |
| [true, '3'], |
| [true, 3], |
| [false, 0], |
| [false, '0'], |
| [3, [3]], |
| ['3', [3]], |
| [true, [1]], |
| [false, [0]], |
| [String(v.coercibleObject), v.coercibleObject], |
| [Number(String(v.coercibleObject)), v.coercibleObject], |
| [Number(v.coercibleObject), v.coercibleObject], |
| [String(Number(v.coercibleObject)), v.coercibleObject] |
| ]; |
| forEach(pairs, function (pair) { |
| var a = pair[0]; |
| var b = pair[1]; |
| // eslint-disable-next-line eqeqeq |
| st.equal(ES['Abstract Equality Comparison'](a, b), a == b, debug(a) + ' == ' + debug(b)); |
| // eslint-disable-next-line eqeqeq |
| st.equal(ES['Abstract Equality Comparison'](b, a), b == a, debug(b) + ' == ' + debug(a)); |
| }); |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('Strict Equality Comparison', function (t) { |
| t.test('same types use ===', function (st) { |
| forEach(v.primitives.concat(v.objects), function (value) { |
| st.equal(ES['Strict Equality Comparison'](value, value), value === value, debug(value) + ' is strictly equal to itself'); |
| }); |
| st.end(); |
| }); |
| |
| t.test('different types are not ===', function (st) { |
| var pairs = [ |
| [null, undefined], |
| [3, '3'], |
| [true, '3'], |
| [true, 3], |
| [false, 0], |
| [false, '0'], |
| [3, [3]], |
| ['3', [3]], |
| [true, [1]], |
| [false, [0]], |
| [String(v.coercibleObject), v.coercibleObject], |
| [Number(String(v.coercibleObject)), v.coercibleObject], |
| [Number(v.coercibleObject), v.coercibleObject], |
| [String(Number(v.coercibleObject)), v.coercibleObject] |
| ]; |
| forEach(pairs, function (pair) { |
| var a = pair[0]; |
| var b = pair[1]; |
| st.equal(ES['Strict Equality Comparison'](a, b), a === b, debug(a) + ' === ' + debug(b)); |
| st.equal(ES['Strict Equality Comparison'](b, a), b === a, debug(b) + ' === ' + debug(a)); |
| }); |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('Abstract Relational Comparison', function (t) { |
| t.test('at least one operand is NaN', function (st) { |
| st.equal(ES['Abstract Relational Comparison'](NaN, {}, true), undefined, 'LeftFirst: first is NaN, returns undefined'); |
| st.equal(ES['Abstract Relational Comparison']({}, NaN, true), undefined, 'LeftFirst: second is NaN, returns undefined'); |
| st.equal(ES['Abstract Relational Comparison'](NaN, {}, false), undefined, '!LeftFirst: first is NaN, returns undefined'); |
| st.equal(ES['Abstract Relational Comparison']({}, NaN, false), undefined, '!LeftFirst: second is NaN, returns undefined'); |
| st.end(); |
| }); |
| |
| t.equal(ES['Abstract Relational Comparison'](3, 4, true), true, 'LeftFirst: 3 is less than 4'); |
| t.equal(ES['Abstract Relational Comparison'](4, 3, true), false, 'LeftFirst: 3 is not less than 4'); |
| t.equal(ES['Abstract Relational Comparison'](3, 4, false), true, '!LeftFirst: 3 is less than 4'); |
| t.equal(ES['Abstract Relational Comparison'](4, 3, false), false, '!LeftFirst: 3 is not less than 4'); |
| |
| t.equal(ES['Abstract Relational Comparison']('3', '4', true), true, 'LeftFirst: "3" is less than "4"'); |
| t.equal(ES['Abstract Relational Comparison']('4', '3', true), false, 'LeftFirst: "3" is not less than "4"'); |
| t.equal(ES['Abstract Relational Comparison']('3', '4', false), true, '!LeftFirst: "3" is less than "4"'); |
| t.equal(ES['Abstract Relational Comparison']('4', '3', false), false, '!LeftFirst: "3" is not less than "4"'); |
| |
| t.equal(ES['Abstract Relational Comparison'](v.coercibleObject, 42, true), true, 'LeftFirst: coercible object is less than 42'); |
| t.equal(ES['Abstract Relational Comparison'](42, v.coercibleObject, true), false, 'LeftFirst: 42 is not less than coercible object'); |
| t.equal(ES['Abstract Relational Comparison'](v.coercibleObject, 42, false), true, '!LeftFirst: coercible object is less than 42'); |
| t.equal(ES['Abstract Relational Comparison'](42, v.coercibleObject, false), false, '!LeftFirst: 42 is not less than coercible object'); |
| |
| t.equal(ES['Abstract Relational Comparison'](v.coercibleObject, '3', true), false, 'LeftFirst: coercible object is not less than "3"'); |
| t.equal(ES['Abstract Relational Comparison']('3', v.coercibleObject, true), false, 'LeftFirst: "3" is not less than coercible object'); |
| t.equal(ES['Abstract Relational Comparison'](v.coercibleObject, '3', false), false, '!LeftFirst: coercible object is not less than "3"'); |
| t.equal(ES['Abstract Relational Comparison']('3', v.coercibleObject, false), false, '!LeftFirst: "3" is not less than coercible object'); |
| |
| t.end(); |
| }); |
| |
| test('ValidateAndApplyPropertyDescriptor', function (t) { |
| forEach(v.nonUndefinedPrimitives, function (nonUndefinedPrimitive) { |
| t['throws']( |
| function () { ES.ValidateAndApplyPropertyDescriptor(nonUndefinedPrimitive, '', false, v.genericDescriptor(), v.genericDescriptor()); }, |
| TypeError, |
| 'O: ' + debug(nonUndefinedPrimitive) + ' is not undefined or an Object' |
| ); |
| }); |
| |
| forEach(v.nonBooleans, function (nonBoolean) { |
| t['throws']( |
| function () { |
| return ES.ValidateAndApplyPropertyDescriptor( |
| undefined, |
| null, |
| nonBoolean, |
| v.genericDescriptor(), |
| v.genericDescriptor() |
| ); |
| }, |
| TypeError, |
| 'extensible: ' + debug(nonBoolean) + ' is not a Boolean' |
| ); |
| }); |
| |
| forEach(v.primitives, function (primitive) { |
| // Desc must be a Property Descriptor |
| t['throws']( |
| function () { |
| return ES.ValidateAndApplyPropertyDescriptor( |
| undefined, |
| null, |
| false, |
| primitive, |
| v.genericDescriptor() |
| ); |
| }, |
| TypeError, |
| 'Desc: ' + debug(primitive) + ' is not a Property Descriptor' |
| ); |
| }); |
| |
| forEach(v.nonUndefinedPrimitives, function (primitive) { |
| // current must be undefined or a Property Descriptor |
| t['throws']( |
| function () { |
| return ES.ValidateAndApplyPropertyDescriptor( |
| undefined, |
| null, |
| false, |
| v.genericDescriptor(), |
| primitive |
| ); |
| }, |
| TypeError, |
| 'current: ' + debug(primitive) + ' is not a Property Descriptor or undefined' |
| ); |
| }); |
| |
| forEach(v.nonPropertyKeys, function (nonPropertyKey) { |
| // if O is an object, P must be a property key |
| t['throws']( |
| function () { |
| return ES.ValidateAndApplyPropertyDescriptor( |
| {}, |
| nonPropertyKey, |
| false, |
| v.genericDescriptor(), |
| v.genericDescriptor() |
| ); |
| }, |
| TypeError, |
| 'P: ' + debug(nonPropertyKey) + ' is not a Property Key' |
| ); |
| }); |
| |
| t.test('current is undefined', function (st) { |
| var propertyKey = 'howdy'; |
| |
| st.test('generic descriptor', function (s2t) { |
| var generic = v.genericDescriptor(); |
| generic['[[Enumerable]]'] = true; |
| var O = {}; |
| ES.ValidateAndApplyPropertyDescriptor(undefined, propertyKey, true, generic); |
| s2t.equal( |
| ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, false, generic), |
| false, |
| 'when extensible is false, nothing happens' |
| ); |
| s2t.deepEqual(O, {}, 'no changes applied when O is undefined or extensible is false'); |
| s2t.equal( |
| ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, true, generic), |
| true, |
| 'operation is successful' |
| ); |
| var expected = {}; |
| expected[propertyKey] = undefined; |
| s2t.deepEqual(O, expected, 'generic descriptor has been defined as an own data property'); |
| s2t.end(); |
| }); |
| |
| st.test('data descriptor', function (s2t) { |
| var data = v.dataDescriptor(); |
| data['[[Enumerable]]'] = true; |
| |
| var O = {}; |
| ES.ValidateAndApplyPropertyDescriptor(undefined, propertyKey, true, data); |
| s2t.equal( |
| ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, false, data), |
| false, |
| 'when extensible is false, nothing happens' |
| ); |
| s2t.deepEqual(O, {}, 'no changes applied when O is undefined or extensible is false'); |
| s2t.equal( |
| ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, true, data), |
| true, |
| 'operation is successful' |
| ); |
| var expected = {}; |
| expected[propertyKey] = data['[[Value]]']; |
| s2t.deepEqual(O, expected, 'data descriptor has been defined as an own data property'); |
| s2t.end(); |
| }); |
| |
| st.test('accessor descriptor', function (s2t) { |
| var count = 0; |
| var accessor = v.accessorDescriptor(); |
| accessor['[[Enumerable]]'] = true; |
| accessor['[[Get]]'] = function () { |
| count += 1; |
| return count; |
| }; |
| |
| var O = {}; |
| ES.ValidateAndApplyPropertyDescriptor(undefined, propertyKey, true, accessor); |
| s2t.equal( |
| ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, false, accessor), |
| false, |
| 'when extensible is false, nothing happens' |
| ); |
| s2t.deepEqual(O, {}, 'no changes applied when O is undefined or extensible is false'); |
| s2t.equal( |
| ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, true, accessor), |
| true, |
| 'operation is successful' |
| ); |
| var expected = {}; |
| expected[propertyKey] = accessor['[[Get]]']() + 1; |
| s2t.deepEqual(O, expected, 'accessor descriptor has been defined as an own accessor property'); |
| s2t.end(); |
| }); |
| |
| st.end(); |
| }); |
| |
| t.test('every field in Desc is absent', { skip: 'it is unclear if having no fields qualifies Desc to be a Property Descriptor' }); |
| |
| forEach([v.dataDescriptor, v.accessorDescriptor, v.mutatorDescriptor], function (getDescriptor) { |
| t.equal( |
| ES.ValidateAndApplyPropertyDescriptor(undefined, 'property key', true, getDescriptor(), getDescriptor()), |
| true, |
| 'when Desc and current are the same, early return true' |
| ); |
| }); |
| |
| t.test('current is nonconfigurable', function (st) { |
| // note: these must not be generic descriptors, or else the algorithm returns an early true |
| st.equal( |
| ES.ValidateAndApplyPropertyDescriptor( |
| undefined, |
| 'property key', |
| true, |
| v.descriptors.configurable(v.dataDescriptor()), |
| v.descriptors.nonConfigurable(v.dataDescriptor()) |
| ), |
| false, |
| 'false if Desc is configurable' |
| ); |
| |
| st.equal( |
| ES.ValidateAndApplyPropertyDescriptor( |
| undefined, |
| 'property key', |
| true, |
| v.descriptors.enumerable(v.dataDescriptor()), |
| v.descriptors.nonEnumerable(v.dataDescriptor()) |
| ), |
| false, |
| 'false if Desc is Enumerable and current is not' |
| ); |
| |
| st.equal( |
| ES.ValidateAndApplyPropertyDescriptor( |
| undefined, |
| 'property key', |
| true, |
| v.descriptors.nonEnumerable(v.dataDescriptor()), |
| v.descriptors.enumerable(v.dataDescriptor()) |
| ), |
| false, |
| 'false if Desc is not Enumerable and current is' |
| ); |
| |
| var descLackingEnumerable = v.accessorDescriptor(); |
| delete descLackingEnumerable['[[Enumerable]]']; |
| st.equal( |
| ES.ValidateAndApplyPropertyDescriptor( |
| undefined, |
| 'property key', |
| true, |
| descLackingEnumerable, |
| v.descriptors.enumerable(v.accessorDescriptor()) |
| ), |
| true, |
| 'not false if Desc lacks Enumerable' |
| ); |
| |
| st.end(); |
| }); |
| |
| t.test('Desc and current: one is a data descriptor, one is not', { skip: !Object.defineProperty }, function (st) { |
| // note: Desc must be configurable if current is nonconfigurable, to hit this branch |
| st.equal( |
| ES.ValidateAndApplyPropertyDescriptor( |
| undefined, |
| 'property key', |
| true, |
| v.descriptors.configurable(v.accessorDescriptor()), |
| v.descriptors.nonConfigurable(v.dataDescriptor()) |
| ), |
| false, |
| 'false if current (data) is nonconfigurable' |
| ); |
| |
| st.equal( |
| ES.ValidateAndApplyPropertyDescriptor( |
| undefined, |
| 'property key', |
| true, |
| v.descriptors.configurable(v.dataDescriptor()), |
| v.descriptors.nonConfigurable(v.accessorDescriptor()) |
| ), |
| false, |
| 'false if current (not data) is nonconfigurable' |
| ); |
| |
| // one is data and one is not, |
| // // if current is data, convert to accessor |
| // // else convert to data |
| |
| var startsWithData = { |
| 'property key': 42 |
| }; |
| st.equal( |
| ES.ValidateAndApplyPropertyDescriptor( |
| startsWithData, |
| 'property key', |
| true, |
| v.descriptors.enumerable(v.descriptors.configurable(v.accessorDescriptor())), |
| v.descriptors.enumerable(v.descriptors.configurable(v.dataDescriptor())) |
| ), |
| true, |
| 'operation is successful: current is data, Desc is accessor' |
| ); |
| var shouldBeAccessor = Object.getOwnPropertyDescriptor(startsWithData, 'property key'); |
| st.equal(typeof shouldBeAccessor.get, 'function', 'has a getter'); |
| |
| var key = 'property key'; |
| var startsWithAccessor = {}; |
| Object.defineProperty(startsWithAccessor, key, { |
| configurable: true, |
| enumerable: true, |
| get: function get() { return 42; } |
| }); |
| st.equal( |
| ES.ValidateAndApplyPropertyDescriptor( |
| startsWithAccessor, |
| key, |
| true, |
| v.descriptors.enumerable(v.descriptors.configurable(v.dataDescriptor())), |
| v.descriptors.enumerable(v.descriptors.configurable(v.accessorDescriptor(42))) |
| ), |
| true, |
| 'operation is successful: current is accessor, Desc is data' |
| ); |
| var shouldBeData = Object.getOwnPropertyDescriptor(startsWithAccessor, 'property key'); |
| st.deepEqual(shouldBeData, { configurable: true, enumerable: true, value: 42, writable: false }, 'is a data property'); |
| |
| st.end(); |
| }); |
| |
| t.test('Desc and current are both data descriptors', function (st) { |
| st.equal( |
| ES.ValidateAndApplyPropertyDescriptor( |
| undefined, |
| 'property key', |
| true, |
| v.descriptors.writable(v.dataDescriptor()), |
| v.descriptors.nonWritable(v.descriptors.nonConfigurable(v.dataDescriptor())) |
| ), |
| false, |
| 'false if frozen current and writable Desc' |
| ); |
| |
| st.equal( |
| ES.ValidateAndApplyPropertyDescriptor( |
| undefined, |
| 'property key', |
| true, |
| v.descriptors.configurable({ '[[Value]]': 42 }), |
| v.descriptors.nonWritable({ '[[Value]]': 7 }) |
| ), |
| false, |
| 'false if nonwritable current has a different value than Desc' |
| ); |
| |
| st.end(); |
| }); |
| |
| t.test('current is nonconfigurable; Desc and current are both accessor descriptors', function (st) { |
| st.equal( |
| ES.ValidateAndApplyPropertyDescriptor( |
| undefined, |
| 'property key', |
| true, |
| v.mutatorDescriptor(), |
| v.descriptors.nonConfigurable(v.mutatorDescriptor()) |
| ), |
| false, |
| 'false if both Sets are not equal' |
| ); |
| |
| st.equal( |
| ES.ValidateAndApplyPropertyDescriptor( |
| undefined, |
| 'property key', |
| true, |
| v.accessorDescriptor(), |
| v.descriptors.nonConfigurable(v.accessorDescriptor()) |
| ), |
| false, |
| 'false if both Gets are not equal' |
| ); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('OrdinaryGetOwnProperty', function (t) { |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.OrdinaryGetOwnProperty(primitive, ''); }, |
| TypeError, |
| 'O: ' + debug(primitive) + ' is not an Object' |
| ); |
| }); |
| forEach(v.nonPropertyKeys, function (nonPropertyKey) { |
| t['throws']( |
| function () { ES.OrdinaryGetOwnProperty({}, nonPropertyKey); }, |
| TypeError, |
| 'P: ' + debug(nonPropertyKey) + ' is not a Property Key' |
| ); |
| }); |
| |
| t.equal(ES.OrdinaryGetOwnProperty({}, 'not in the object'), undefined, 'missing property yields undefined'); |
| t.equal(ES.OrdinaryGetOwnProperty({}, 'toString'), undefined, 'inherited non-own property yields undefined'); |
| |
| t.deepEqual( |
| ES.OrdinaryGetOwnProperty({ a: 1 }, 'a'), |
| ES.ToPropertyDescriptor({ |
| configurable: true, |
| enumerable: true, |
| value: 1, |
| writable: true |
| }), |
| 'own assigned data property yields expected descriptor' |
| ); |
| |
| t.deepEqual( |
| ES.OrdinaryGetOwnProperty(/a/, 'lastIndex'), |
| ES.ToPropertyDescriptor({ |
| configurable: false, |
| enumerable: false, |
| value: 0, |
| writable: true |
| }), |
| 'regex lastIndex yields expected descriptor' |
| ); |
| |
| t.deepEqual( |
| ES.OrdinaryGetOwnProperty([], 'length'), |
| ES.ToPropertyDescriptor({ |
| configurable: false, |
| enumerable: false, |
| value: 0, |
| writable: true |
| }), |
| 'array length yields expected descriptor' |
| ); |
| |
| t.deepEqual( |
| ES.OrdinaryGetOwnProperty(Object.prototype, 'toString'), |
| ES.ToPropertyDescriptor({ |
| configurable: true, |
| enumerable: false, |
| value: Object.prototype.toString, |
| writable: true |
| }), |
| 'own non-enumerable data property yields expected descriptor' |
| ); |
| |
| t.test('ES5+', { skip: !Object.defineProperty }, function (st) { |
| var O = {}; |
| Object.defineProperty(O, 'foo', { |
| configurable: false, |
| enumerable: false, |
| value: O, |
| writable: true |
| }); |
| |
| t.deepEqual( |
| ES.OrdinaryGetOwnProperty(O, 'foo'), |
| ES.ToPropertyDescriptor({ |
| configurable: false, |
| enumerable: false, |
| value: O, |
| writable: true |
| }), |
| 'defined own property yields expected descriptor' |
| ); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('OrdinaryDefineOwnProperty', { skip: !Object.defineProperty }, function (t) { |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.CopyDataProperties(primitive, {}, []); }, |
| TypeError, |
| 'O: ' + debug(primitive) + ' is not an Object' |
| ); |
| }); |
| forEach(v.nonPropertyKeys, function (nonPropertyKey) { |
| t['throws']( |
| function () { ES.OrdinaryDefineOwnProperty({}, nonPropertyKey, v.genericDescriptor()); }, |
| TypeError, |
| 'P: ' + debug(nonPropertyKey) + ' is not a Property Key' |
| ); |
| }); |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.OrdinaryDefineOwnProperty(primitive, '', v.genericDescriptor()); }, |
| TypeError, |
| 'Desc: ' + debug(primitive) + ' is not a Property Descriptor' |
| ); |
| }); |
| |
| var O = {}; |
| var P = 'property key'; |
| var Desc = v.accessorDescriptor(); |
| t.equal( |
| ES.OrdinaryDefineOwnProperty(O, P, Desc), |
| true, |
| 'operation is successful' |
| ); |
| t.deepEqual( |
| Object.getOwnPropertyDescriptor(O, P), |
| ES.FromPropertyDescriptor(ES.CompletePropertyDescriptor(Desc)), |
| 'expected property descriptor is defined' |
| ); |
| |
| t.end(); |
| }); |
| |
| test('ArrayCreate', function (t) { |
| forEach(v.nonIntegerNumbers.concat([-1]), function (nonIntegerNumber) { |
| t['throws']( |
| function () { ES.ArrayCreate(nonIntegerNumber); }, |
| TypeError, |
| 'length must be an integer number >= 0' |
| ); |
| }); |
| |
| t['throws']( |
| function () { ES.ArrayCreate(Math.pow(2, 32)); }, |
| RangeError, |
| 'length must be < 2**32' |
| ); |
| |
| t.deepEqual(ES.ArrayCreate(-0), [], 'length of -0 creates an empty array'); |
| t.deepEqual(ES.ArrayCreate(0), [], 'length of +0 creates an empty array'); |
| // eslint-disable-next-line no-sparse-arrays, comma-spacing |
| t.deepEqual(ES.ArrayCreate(1), [,], 'length of 1 creates a sparse array of length 1'); |
| // eslint-disable-next-line no-sparse-arrays, comma-spacing |
| t.deepEqual(ES.ArrayCreate(2), [,,], 'length of 2 creates a sparse array of length 2'); |
| |
| // eslint-disable-next-line no-proto |
| t.test('proto argument', { skip: [].__proto__ !== Array.prototype }, function (st) { |
| var fakeProto = { |
| push: { toString: function () { return 'not array push'; } } |
| }; |
| st.equal(ES.ArrayCreate(0, fakeProto).push, fakeProto.push, 'passing the proto argument works'); |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('ArraySetLength', function (t) { |
| forEach(v.primitives.concat(v.objects), function (nonArray) { |
| t['throws']( |
| function () { ES.ArraySetLength(nonArray, 0); }, |
| TypeError, |
| 'A: ' + debug(nonArray) + ' is not an Array' |
| ); |
| }); |
| |
| forEach(v.nonUndefinedPrimitives, function (primitive) { |
| t['throws']( |
| function () { ES.ArraySetLength([], primitive); }, |
| TypeError, |
| 'Desc: ' + debug(primitive) + ' is not a Property Descriptor' |
| ); |
| }); |
| |
| t.test('making length nonwritable', { skip: !Object.defineProperty }, function (st) { |
| var a = []; |
| ES.ArraySetLength(a, { '[[Writable]]': false }); |
| st.deepEqual( |
| Object.getOwnPropertyDescriptor(a, 'length'), |
| { |
| configurable: false, |
| enumerable: false, |
| value: 0, |
| writable: false |
| }, |
| 'without a value, length becomes nonwritable' |
| ); |
| st.end(); |
| }); |
| |
| var arr = []; |
| ES.ArraySetLength(arr, { '[[Value]]': 7 }); |
| t.equal(arr.length, 7, 'array now has a length of 7'); |
| |
| t.end(); |
| }); |
| |
| test('CreateHTML', function (t) { |
| forEach(v.nonStrings, function (nonString) { |
| t['throws']( |
| function () { ES.CreateHTML('', nonString, '', ''); }, |
| TypeError, |
| 'tag: ' + debug(nonString) + ' is not a String' |
| ); |
| t['throws']( |
| function () { ES.CreateHTML('', '', nonString, ''); }, |
| TypeError, |
| 'attribute: ' + debug(nonString) + ' is not a String' |
| ); |
| }); |
| |
| t.equal( |
| ES.CreateHTML( |
| { toString: function () { return 'the string'; } }, |
| 'some HTML tag!', |
| '' |
| ), |
| '<some HTML tag!>the string</some HTML tag!>', |
| 'works with an empty string attribute value' |
| ); |
| |
| t.equal( |
| ES.CreateHTML( |
| { toString: function () { return 'the string'; } }, |
| 'some HTML tag!', |
| 'attr', |
| 'value "with quotes"' |
| ), |
| '<some HTML tag! attr="value "with quotes"">the string</some HTML tag!>', |
| 'works with an attribute, and a value with quotes' |
| ); |
| |
| t.end(); |
| }); |
| |
| test('GetOwnPropertyKeys', function (t) { |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.GetOwnPropertyKeys(primitive, 'String'); }, |
| TypeError, |
| 'O: ' + debug(primitive) + ' is not an Object' |
| ); |
| }); |
| |
| t['throws']( |
| function () { ES.GetOwnPropertyKeys({}, 'not string or symbol'); }, |
| TypeError, |
| 'Type: must be "String" or "Symbol"' |
| ); |
| |
| t.test('Symbols', { skip: !v.hasSymbols }, function (st) { |
| var O = { a: 1 }; |
| O[Symbol.iterator] = true; |
| var s = Symbol('test'); |
| Object.defineProperty(O, s, { enumerable: false, value: true }); |
| |
| st.deepEqual( |
| ES.GetOwnPropertyKeys(O, 'Symbol'), |
| [Symbol.iterator, s], |
| 'works with Symbols, enumerable or not' |
| ); |
| |
| st.end(); |
| }); |
| |
| t.test('non-enumerable names', { skip: !Object.defineProperty }, function (st) { |
| var O = { a: 1 }; |
| Object.defineProperty(O, 'b', { enumerable: false, value: 2 }); |
| if (v.hasSymbols) { |
| O[Symbol.iterator] = true; |
| } |
| |
| st.deepEqual( |
| ES.GetOwnPropertyKeys(O, 'String').sort(), |
| ['a', 'b'].sort(), |
| 'works with Strings, enumerable or not' |
| ); |
| |
| st.end(); |
| }); |
| |
| t.deepEqual( |
| ES.GetOwnPropertyKeys({ a: 1, b: 2 }, 'String').sort(), |
| ['a', 'b'].sort(), |
| 'works with enumerable keys' |
| ); |
| |
| t.end(); |
| }); |
| |
| test('SymbolDescriptiveString', function (t) { |
| forEach(v.nonSymbolPrimitives.concat(v.objects), function (nonSymbol) { |
| t['throws']( |
| function () { ES.SymbolDescriptiveString(nonSymbol); }, |
| TypeError, |
| debug(nonSymbol) + ' is not a Symbol' |
| ); |
| }); |
| |
| t.test('Symbols', { skip: !v.hasSymbols }, function (st) { |
| st.equal(ES.SymbolDescriptiveString(Symbol()), 'Symbol()', 'undefined description'); |
| st.equal(ES.SymbolDescriptiveString(Symbol('')), 'Symbol()', 'empty string description'); |
| st.equal(ES.SymbolDescriptiveString(Symbol.iterator), 'Symbol(Symbol.iterator)', 'well-known symbol'); |
| st.equal(ES.SymbolDescriptiveString(Symbol('foo')), 'Symbol(foo)', 'string description'); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('GetSubstitution', { skip: skips && skips.GetSubstitution }, function (t) { |
| forEach(v.nonStrings, function (nonString) { |
| t['throws']( |
| function () { ES.GetSubstitution(nonString, '', 0, [], ''); }, |
| TypeError, |
| '`matched`: ' + debug(nonString) + ' is not a String' |
| ); |
| |
| t['throws']( |
| function () { ES.GetSubstitution('', nonString, 0, [], ''); }, |
| TypeError, |
| '`str`: ' + debug(nonString) + ' is not a String' |
| ); |
| |
| t['throws']( |
| function () { ES.GetSubstitution('', '', 0, [], nonString); }, |
| TypeError, |
| '`replacement`: ' + debug(nonString) + ' is not a String' |
| ); |
| |
| t['throws']( |
| function () { ES.GetSubstitution('', '', 0, [nonString], ''); }, |
| TypeError, |
| '`captures`: ' + debug([nonString]) + ' is not an Array of strings' |
| ); |
| }); |
| |
| forEach(v.nonIntegerNumbers.concat([-1, -42, -Infinity]), function (nonNonNegativeInteger) { |
| t['throws']( |
| function () { ES.GetSubstitution('', '', nonNonNegativeInteger, [], ''); }, |
| TypeError, |
| '`position`: ' + debug(nonNonNegativeInteger) + ' is not a non-negative integer' |
| ); |
| }); |
| |
| forEach(v.nonArrays, function (nonArray) { |
| t['throws']( |
| function () { ES.GetSubstitution('', '', 0, nonArray, ''); }, |
| TypeError, |
| '`captures`: ' + debug(nonArray) + ' is not an Array' |
| ); |
| }); |
| |
| t.equal( |
| ES.GetSubstitution('def', 'abcdefghi', 3, [], '123'), |
| '123', |
| 'returns the substitution' |
| ); |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '$$2$'), |
| '$2$', |
| 'supports $$, and trailing $' |
| ); |
| |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$&<'), |
| '>abcdef<', |
| 'supports $&' |
| ); |
| |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$`<'), |
| '><', |
| 'supports $` at position 0' |
| ); |
| t.equal( |
| ES.GetSubstitution('def', 'abcdefghi', 3, [], '>$`<'), |
| '>ab<', |
| 'supports $` at position > 0' |
| ); |
| |
| t.equal( |
| ES.GetSubstitution('def', 'abcdefghi', 7, [], ">$'<"), |
| '><', |
| "supports $' at a position where there's less than `matched.length` chars left" |
| ); |
| t.equal( |
| ES.GetSubstitution('def', 'abcdefghi', 3, [], ">$'<"), |
| '>ghi<', |
| "supports $' at a position where there's more than `matched.length` chars left" |
| ); |
| |
| for (var i = 0; i < 100; i += 1) { |
| var captures = []; |
| captures[i] = 'test'; |
| if (i > 0) { |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$' + i + '<'), |
| '>undefined<', |
| 'supports $' + i + ' with no captures' |
| ); |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$' + i), |
| '>undefined', |
| 'supports $' + i + ' at the end of the replacement, with no captures' |
| ); |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, '>$' + i + '<'), |
| '><', |
| 'supports $' + i + ' with a capture at that index' |
| ); |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, '>$' + i), |
| '>', |
| 'supports $' + i + ' at the end of the replacement, with a capture at that index' |
| ); |
| } |
| if (i < 10) { |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$0' + i + '<'), |
| i === 0 ? '><' : '>undefined<', |
| 'supports $0' + i + ' with no captures' |
| ); |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$0' + i), |
| i === 0 ? '>' : '>undefined', |
| 'supports $0' + i + ' at the end of the replacement, with no captures' |
| ); |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, '>$0' + i + '<'), |
| '><', |
| 'supports $0' + i + ' with a capture at that index' |
| ); |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, '>$0' + i), |
| '>', |
| 'supports $0' + i + ' at the end of the replacement, with a capture at that index' |
| ); |
| } |
| } |
| |
| t.end(); |
| }); |
| |
| test('SecFromTime', function (t) { |
| var now = new Date(); |
| t.equal(ES.SecFromTime(now.getTime()), now.getUTCSeconds(), 'second from Date timestamp matches getUTCSeconds'); |
| t.end(); |
| }); |
| |
| test('MinFromTime', function (t) { |
| var now = new Date(); |
| t.equal(ES.MinFromTime(now.getTime()), now.getUTCMinutes(), 'minute from Date timestamp matches getUTCMinutes'); |
| t.end(); |
| }); |
| |
| test('HourFromTime', function (t) { |
| var now = new Date(); |
| t.equal(ES.HourFromTime(now.getTime()), now.getUTCHours(), 'hour from Date timestamp matches getUTCHours'); |
| t.end(); |
| }); |
| |
| test('msFromTime', function (t) { |
| var now = new Date(); |
| t.equal(ES.msFromTime(now.getTime()), now.getUTCMilliseconds(), 'ms from Date timestamp matches getUTCMilliseconds'); |
| t.end(); |
| }); |
| |
| var msPerSecond = 1e3; |
| var msPerMinute = 60 * msPerSecond; |
| var msPerHour = 60 * msPerMinute; |
| var msPerDay = 24 * msPerHour; |
| |
| test('Day', function (t) { |
| var time = Date.UTC(2019, 8, 10, 2, 3, 4, 5); |
| var add = 2.5; |
| var later = new Date(time + (add * msPerDay)); |
| |
| t.equal(ES.Day(later.getTime()), ES.Day(time) + Math.floor(add), 'adding 2.5 days worth of ms, gives a Day delta of 2'); |
| t.end(); |
| }); |
| |
| test('TimeWithinDay', function (t) { |
| var time = Date.UTC(2019, 8, 10, 2, 3, 4, 5); |
| var add = 2.5; |
| var later = new Date(time + (add * msPerDay)); |
| |
| t.equal(ES.TimeWithinDay(later.getTime()), ES.TimeWithinDay(time) + (0.5 * msPerDay), 'adding 2.5 days worth of ms, gives a TimeWithinDay delta of +0.5'); |
| t.end(); |
| }); |
| |
| test('DayFromYear', function (t) { |
| t.equal(ES.DayFromYear(2021) - ES.DayFromYear(2020), 366, '2021 is a leap year, has 366 days'); |
| t.equal(ES.DayFromYear(2020) - ES.DayFromYear(2019), 365, '2020 is not a leap year, has 365 days'); |
| t.equal(ES.DayFromYear(2019) - ES.DayFromYear(2018), 365, '2019 is not a leap year, has 365 days'); |
| t.equal(ES.DayFromYear(2018) - ES.DayFromYear(2017), 365, '2018 is not a leap year, has 365 days'); |
| t.equal(ES.DayFromYear(2017) - ES.DayFromYear(2016), 366, '2017 is a leap year, has 366 days'); |
| |
| t.end(); |
| }); |
| |
| test('TimeFromYear', function (t) { |
| for (var i = 1900; i < 2100; i += 1) { |
| t.equal(ES.TimeFromYear(i), Date.UTC(i, 0, 1), 'TimeFromYear matches a Date object’s year: ' + i); |
| } |
| t.end(); |
| }); |
| |
| test('YearFromTime', function (t) { |
| for (var i = 1900; i < 2100; i += 1) { |
| t.equal(ES.YearFromTime(Date.UTC(i, 0, 1)), i, 'YearFromTime matches a Date object’s year on 1/1: ' + i); |
| t.equal(ES.YearFromTime(Date.UTC(i, 10, 1)), i, 'YearFromTime matches a Date object’s year on 10/1: ' + i); |
| } |
| t.end(); |
| }); |
| |
| test('WeekDay', function (t) { |
| var now = new Date(); |
| var today = now.getUTCDay(); |
| for (var i = 0; i < 7; i += 1) { |
| var weekDay = ES.WeekDay(now.getTime() + (i * msPerDay)); |
| t.equal(weekDay, (today + i) % 7, i + ' days after today (' + today + '), WeekDay is ' + weekDay); |
| } |
| t.end(); |
| }); |
| |
| test('DaysInYear', function (t) { |
| t.equal(ES.DaysInYear(2021), 365, '2021 is not a leap year'); |
| t.equal(ES.DaysInYear(2020), 366, '2020 is a leap year'); |
| t.equal(ES.DaysInYear(2019), 365, '2019 is not a leap year'); |
| t.equal(ES.DaysInYear(2018), 365, '2018 is not a leap year'); |
| t.equal(ES.DaysInYear(2017), 365, '2017 is not a leap year'); |
| t.equal(ES.DaysInYear(2016), 366, '2016 is a leap year'); |
| |
| t.end(); |
| }); |
| |
| test('InLeapYear', function (t) { |
| t.equal(ES.InLeapYear(Date.UTC(2021, 0, 1)), 0, '2021 is not a leap year'); |
| t.equal(ES.InLeapYear(Date.UTC(2020, 0, 1)), 1, '2020 is a leap year'); |
| t.equal(ES.InLeapYear(Date.UTC(2019, 0, 1)), 0, '2019 is not a leap year'); |
| t.equal(ES.InLeapYear(Date.UTC(2018, 0, 1)), 0, '2018 is not a leap year'); |
| t.equal(ES.InLeapYear(Date.UTC(2017, 0, 1)), 0, '2017 is not a leap year'); |
| t.equal(ES.InLeapYear(Date.UTC(2016, 0, 1)), 1, '2016 is a leap year'); |
| |
| t.end(); |
| }); |
| |
| test('DayWithinYear', function (t) { |
| t.equal(ES.DayWithinYear(Date.UTC(2019, 0, 1)), 0, '1/1 is the 1st day'); |
| t.equal(ES.DayWithinYear(Date.UTC(2019, 11, 31)), 364, '12/31 is the 365th day in a non leap year'); |
| t.equal(ES.DayWithinYear(Date.UTC(2016, 11, 31)), 365, '12/31 is the 366th day in a leap year'); |
| |
| t.end(); |
| }); |
| |
| test('MonthFromTime', function (t) { |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 0, 1)), 0, 'non-leap: 1/1 gives January'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 0, 31)), 0, 'non-leap: 1/31 gives January'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 1, 1)), 1, 'non-leap: 2/1 gives February'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 1, 28)), 1, 'non-leap: 2/28 gives February'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 1, 29)), 2, 'non-leap: 2/29 gives March'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 2, 1)), 2, 'non-leap: 3/1 gives March'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 2, 31)), 2, 'non-leap: 3/31 gives March'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 3, 1)), 3, 'non-leap: 4/1 gives April'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 3, 30)), 3, 'non-leap: 4/30 gives April'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 4, 1)), 4, 'non-leap: 5/1 gives May'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 4, 31)), 4, 'non-leap: 5/31 gives May'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 5, 1)), 5, 'non-leap: 6/1 gives June'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 5, 30)), 5, 'non-leap: 6/30 gives June'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 6, 1)), 6, 'non-leap: 7/1 gives July'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 6, 31)), 6, 'non-leap: 7/31 gives July'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 7, 1)), 7, 'non-leap: 8/1 gives August'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 7, 30)), 7, 'non-leap: 8/30 gives August'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 8, 1)), 8, 'non-leap: 9/1 gives September'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 8, 30)), 8, 'non-leap: 9/30 gives September'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 9, 1)), 9, 'non-leap: 10/1 gives October'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 9, 31)), 9, 'non-leap: 10/31 gives October'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 10, 1)), 10, 'non-leap: 11/1 gives November'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 10, 30)), 10, 'non-leap: 11/30 gives November'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 11, 1)), 11, 'non-leap: 12/1 gives December'); |
| t.equal(ES.MonthFromTime(Date.UTC(2019, 11, 31)), 11, 'non-leap: 12/31 gives December'); |
| |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 0, 1)), 0, 'leap: 1/1 gives January'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 0, 31)), 0, 'leap: 1/31 gives January'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 1, 1)), 1, 'leap: 2/1 gives February'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 1, 28)), 1, 'leap: 2/28 gives February'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 1, 29)), 1, 'leap: 2/29 gives February'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 2, 1)), 2, 'leap: 3/1 gives March'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 2, 31)), 2, 'leap: 3/31 gives March'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 3, 1)), 3, 'leap: 4/1 gives April'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 3, 30)), 3, 'leap: 4/30 gives April'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 4, 1)), 4, 'leap: 5/1 gives May'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 4, 31)), 4, 'leap: 5/31 gives May'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 5, 1)), 5, 'leap: 6/1 gives June'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 5, 30)), 5, 'leap: 6/30 gives June'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 6, 1)), 6, 'leap: 7/1 gives July'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 6, 31)), 6, 'leap: 7/31 gives July'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 7, 1)), 7, 'leap: 8/1 gives August'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 7, 30)), 7, 'leap: 8/30 gives August'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 8, 1)), 8, 'leap: 9/1 gives September'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 8, 30)), 8, 'leap: 9/30 gives September'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 9, 1)), 9, 'leap: 10/1 gives October'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 9, 31)), 9, 'leap: 10/31 gives October'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 10, 1)), 10, 'leap: 11/1 gives November'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 10, 30)), 10, 'leap: 11/30 gives November'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 11, 1)), 11, 'leap: 12/1 gives December'); |
| t.equal(ES.MonthFromTime(Date.UTC(2016, 11, 31)), 11, 'leap: 12/31 gives December'); |
| t.end(); |
| }); |
| |
| test('DateFromTime', function (t) { |
| var i; |
| for (i = 1; i <= 28; i += 1) { |
| t.equal(ES.DateFromTime(Date.UTC(2019, 1, i)), i, '2019.02.' + i + ' is date ' + i); |
| } |
| for (i = 1; i <= 29; i += 1) { |
| t.equal(ES.DateFromTime(Date.UTC(2016, 1, i)), i, '2016.02.' + i + ' is date ' + i); |
| } |
| for (i = 1; i <= 30; i += 1) { |
| t.equal(ES.DateFromTime(Date.UTC(2019, 8, i)), i, '2019.09.' + i + ' is date ' + i); |
| } |
| for (i = 1; i <= 31; i += 1) { |
| t.equal(ES.DateFromTime(Date.UTC(2019, 9, i)), i, '2019.10.' + i + ' is date ' + i); |
| } |
| t.end(); |
| }); |
| |
| test('MakeDay', function (t) { |
| var day2015 = 16687; |
| t.equal(ES.MakeDay(2015, 8, 9), day2015, '2015.09.09 is day 16687'); |
| var day2016 = day2015 + 366; // 2016 is a leap year |
| t.equal(ES.MakeDay(2016, 8, 9), day2016, '2015.09.09 is day 17053'); |
| var day2017 = day2016 + 365; |
| t.equal(ES.MakeDay(2017, 8, 9), day2017, '2017.09.09 is day 17418'); |
| var day2018 = day2017 + 365; |
| t.equal(ES.MakeDay(2018, 8, 9), day2018, '2018.09.09 is day 17783'); |
| var day2019 = day2018 + 365; |
| t.equal(ES.MakeDay(2019, 8, 9), day2019, '2019.09.09 is day 18148'); |
| t.end(); |
| }); |
| |
| test('MakeDate', function (t) { |
| forEach(v.infinities.concat(NaN), function (nonFiniteNumber) { |
| t.ok(is(ES.MakeDate(nonFiniteNumber, 0), NaN), debug(nonFiniteNumber) + ' is not a finite `day`'); |
| t.ok(is(ES.MakeDate(0, nonFiniteNumber), NaN), debug(nonFiniteNumber) + ' is not a finite `time`'); |
| }); |
| t.equal(ES.MakeDate(0, 0), 0, 'zero day and zero time is zero date'); |
| t.equal(ES.MakeDate(0, 123), 123, 'zero day and nonzero time is a date of the "time"'); |
| t.equal(ES.MakeDate(1, 0), msPerDay, 'day of 1 and zero time is a date of "ms per day"'); |
| t.equal(ES.MakeDate(3, 0), 3 * msPerDay, 'day of 3 and zero time is a date of thrice "ms per day"'); |
| t.equal(ES.MakeDate(1, 123), msPerDay + 123, 'day of 1 and nonzero time is a date of "ms per day" plus the "time"'); |
| t.equal(ES.MakeDate(3, 123), (3 * msPerDay) + 123, 'day of 3 and nonzero time is a date of thrice "ms per day" plus the "time"'); |
| |
| t.end(); |
| }); |
| |
| test('MakeTime', function (t) { |
| forEach(v.infinities.concat(NaN), function (nonFiniteNumber) { |
| t.ok(is(ES.MakeTime(nonFiniteNumber, 0, 0, 0), NaN), debug(nonFiniteNumber) + ' is not a finite `hour`'); |
| t.ok(is(ES.MakeTime(0, nonFiniteNumber, 0, 0), NaN), debug(nonFiniteNumber) + ' is not a finite `min`'); |
| t.ok(is(ES.MakeTime(0, 0, nonFiniteNumber, 0), NaN), debug(nonFiniteNumber) + ' is not a finite `sec`'); |
| t.ok(is(ES.MakeTime(0, 0, 0, nonFiniteNumber), NaN), debug(nonFiniteNumber) + ' is not a finite `ms`'); |
| }); |
| |
| t.equal( |
| ES.MakeTime(1.2, 2.3, 3.4, 4.5), |
| (1 * msPerHour) + (2 * msPerMinute) + (3 * msPerSecond) + 4, |
| 'all numbers are converted to integer, multiplied by the right number of ms, and summed' |
| ); |
| |
| t.end(); |
| }); |
| |
| test('TimeClip', function (t) { |
| forEach(v.infinities.concat(NaN), function (nonFiniteNumber) { |
| t.ok(is(ES.TimeClip(nonFiniteNumber), NaN), debug(nonFiniteNumber) + ' is not a finite `time`'); |
| }); |
| t.ok(is(ES.TimeClip(8.64e15 + 1), NaN), '8.64e15 is the largest magnitude considered "finite"'); |
| t.ok(is(ES.TimeClip(-8.64e15 - 1), NaN), '-8.64e15 is the largest magnitude considered "finite"'); |
| |
| forEach(v.zeroes.concat([-10, 10, Date.now()]), function (time) { |
| t.equal(ES.TimeClip(time), time, debug(time) + ' is a time of ' + debug(time)); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('modulo', function (t) { |
| t.equal(3 % 2, 1, '+3 % 2 is +1'); |
| t.equal(ES.modulo(3, 2), 1, '+3 mod 2 is +1'); |
| |
| t.equal(-3 % 2, -1, '-3 % 2 is -1'); |
| t.equal(ES.modulo(-3, 2), 1, '-3 mod 2 is +1'); |
| t.end(); |
| }); |
| |
| test('ToDateString', function (t) { |
| forEach(v.nonNumbers, function (nonNumber) { |
| t['throws']( |
| function () { ES.ToDateString(nonNumber); }, |
| TypeError, |
| debug(nonNumber) + ' is not a Number' |
| ); |
| }); |
| |
| t.equal(ES.ToDateString(NaN), 'Invalid Date', 'NaN becomes "Invalid Date"'); |
| var now = Date.now(); |
| t.equal(ES.ToDateString(now), Date(now), 'any timestamp becomes `Date(timestamp)`'); |
| t.end(); |
| }); |
| |
| test('CreateListFromArrayLike', function (t) { |
| forEach(v.primitives, function (nonObject) { |
| t['throws']( |
| function () { ES.CreateListFromArrayLike(nonObject); }, |
| TypeError, |
| debug(nonObject) + ' is not an Object' |
| ); |
| }); |
| forEach(v.nonArrays, function (nonArray) { |
| t['throws']( |
| function () { ES.CreateListFromArrayLike({}, nonArray); }, |
| TypeError, |
| debug(nonArray) + ' is not an Array' |
| ); |
| }); |
| |
| t.deepEqual( |
| ES.CreateListFromArrayLike({ length: 2, 0: 'a', 1: 'b', 2: 'c' }), |
| ['a', 'b'], |
| 'arraylike stops at the length' |
| ); |
| |
| t.end(); |
| }); |
| |
| test('GetPrototypeFromConstructor', function (t) { |
| forEach(v.nonFunctions, function (nonFunction) { |
| t['throws']( |
| function () { ES.GetPrototypeFromConstructor(nonFunction, '%Array%'); }, |
| TypeError, |
| debug(nonFunction) + ' is not a constructor' |
| ); |
| }); |
| |
| forEach(arrowFns, function (arrowFn) { |
| t['throws']( |
| function () { ES.GetPrototypeFromConstructor(arrowFn, '%Array%'); }, |
| TypeError, |
| debug(arrowFn) + ' is not a constructor' |
| ); |
| }); |
| |
| var f = function () {}; |
| t.equal( |
| ES.GetPrototypeFromConstructor(f, '%Array.prototype%'), |
| f.prototype, |
| 'function with normal `prototype` property returns it' |
| ); |
| forEach([true, 'foo', 42], function (truthyPrimitive) { |
| f.prototype = truthyPrimitive; |
| t.equal( |
| ES.GetPrototypeFromConstructor(f, '%Array.prototype%'), |
| Array.prototype, |
| 'function with non-object `prototype` property (' + debug(truthyPrimitive) + ') returns default intrinsic' |
| ); |
| }); |
| |
| t.end(); |
| }); |
| |
| var getNamelessFunction = function () { |
| var f = Object(function () {}); |
| try { |
| delete f.name; |
| } catch (e) { /**/ } |
| return f; |
| }; |
| |
| test('SetFunctionName', function (t) { |
| t.test('non-extensible function', { skip: !Object.preventExtensions }, function (st) { |
| var f = getNamelessFunction(); |
| Object.preventExtensions(f); |
| st['throws']( |
| function () { ES.SetFunctionName(f, ''); }, |
| TypeError, |
| 'throws on a non-extensible function' |
| ); |
| st.end(); |
| }); |
| |
| t['throws']( |
| function () { ES.SetFunctionName(function g() {}, ''); }, |
| TypeError, |
| 'throws if function has an own `name` property' |
| ); |
| |
| forEach(v.nonPropertyKeys, function (nonPropertyKey) { |
| t['throws']( |
| function () { ES.SetFunctionName(getNamelessFunction(), nonPropertyKey); }, |
| TypeError, |
| debug(nonPropertyKey) + ' is not a Symbol or String' |
| ); |
| }); |
| |
| t.test('symbols', { skip: !v.hasSymbols || has(getNamelessFunction(), 'name') }, function (st) { |
| var pairs = [ |
| [Symbol(), ''], |
| [Symbol(undefined), ''], |
| [Symbol(null), '[null]'], |
| [Symbol(''), getInferredName ? '[]' : ''], |
| [Symbol.iterator, '[Symbol.iterator]'], |
| [Symbol('foo'), '[foo]'] |
| ]; |
| forEach(pairs, function (pair) { |
| var sym = pair[0]; |
| var desc = pair[1]; |
| var f = getNamelessFunction(); |
| ES.SetFunctionName(f, sym); |
| st.equal(f.name, desc, debug(sym) + ' yields a name of ' + debug(desc)); |
| }); |
| |
| st.end(); |
| }); |
| |
| var f = getNamelessFunction(); |
| t.test('when names are configurable', { skip: has(f, 'name') }, function (st) { |
| // without prefix |
| st.notEqual(f.name, 'foo', 'precondition'); |
| ES.SetFunctionName(f, 'foo'); |
| st.equal(f.name, 'foo', 'function name is set without a prefix'); |
| |
| // with prefix |
| var g = getNamelessFunction(); |
| st.notEqual(g.name, 'pre- foo', 'precondition'); |
| ES.SetFunctionName(g, 'foo', 'pre-'); |
| st.equal(g.name, 'pre- foo', 'function name is set with a prefix'); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| }; |
| |
| var es2016 = function ES2016(ES, ops, expectedMissing, skips) { |
| es2015(ES, ops, expectedMissing, skips); |
| |
| test('SameValueNonNumber', function (t) { |
| var willThrow = [ |
| [3, 4], |
| [NaN, 4], |
| [4, ''], |
| ['abc', true], |
| [{}, false] |
| ]; |
| forEach(willThrow, function (nums) { |
| t['throws'](function () { return ES.SameValueNonNumber.apply(ES, nums); }, TypeError, 'value must be same type and non-number'); |
| }); |
| |
| forEach(v.objects.concat(v.nonNumberPrimitives), function (val) { |
| t.equal(val === val, ES.SameValueNonNumber(val, val), debug(val) + ' is SameValueNonNumber to itself'); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('IterableToArrayLike', { skip: skips && skips.IterableToArrayLike }, function (t) { |
| t.test('custom iterables', { skip: !v.hasSymbols }, function (st) { |
| var O = {}; |
| O[Symbol.iterator] = function () { |
| var i = -1; |
| return { |
| next: function () { |
| i += 1; |
| return { |
| done: i >= 5, |
| value: i |
| }; |
| } |
| }; |
| }; |
| st.deepEqual( |
| ES.IterableToArrayLike(O), |
| [0, 1, 2, 3, 4], |
| 'Symbol.iterator method is called and values collected' |
| ); |
| |
| st.end(); |
| }); |
| |
| t.deepEqual(ES.IterableToArrayLike('abc'), ['a', 'b', 'c'], 'a string of code units spreads'); |
| t.deepEqual(ES.IterableToArrayLike('💩'), ['💩'], 'a string of code points spreads'); |
| t.deepEqual(ES.IterableToArrayLike('a💩c'), ['a', '💩', 'c'], 'a string of code points and units spreads'); |
| |
| var arr = [1, 2, 3]; |
| t.deepEqual(ES.IterableToArrayLike(arr), arr, 'an array becomes a similar array'); |
| t.notEqual(ES.IterableToArrayLike(arr), arr, 'an array becomes a different, but similar, array'); |
| |
| var O = {}; |
| t.equal(ES.IterableToArrayLike(O), O, 'a non-iterable non-array non-string object is returned directly'); |
| |
| t.end(); |
| }); |
| |
| test('OrdinaryGetPrototypeOf', function (t) { |
| t.equal(ES.OrdinaryGetPrototypeOf([]), Array.prototype, 'array [[Prototype]] is Array.prototype'); |
| t.equal(ES.OrdinaryGetPrototypeOf({}), Object.prototype, 'object [[Prototype]] is Object.prototype'); |
| t.equal(ES.OrdinaryGetPrototypeOf(/a/g), RegExp.prototype, 'regex [[Prototype]] is RegExp.prototype'); |
| t.equal(ES.OrdinaryGetPrototypeOf(Object('')), String.prototype, 'boxed string [[Prototype]] is String.prototype'); |
| t.equal(ES.OrdinaryGetPrototypeOf(Object(42)), Number.prototype, 'boxed number [[Prototype]] is Number.prototype'); |
| t.equal(ES.OrdinaryGetPrototypeOf(Object(true)), Boolean.prototype, 'boxed boolean [[Prototype]] is Boolean.prototype'); |
| if (v.hasSymbols) { |
| t.equal(ES.OrdinaryGetPrototypeOf(Object(Symbol.iterator)), Symbol.prototype, 'boxed symbol [[Prototype]] is Symbol.prototype'); |
| } |
| |
| forEach(v.primitives, function (primitive) { |
| t['throws']( |
| function () { ES.OrdinaryGetPrototypeOf(primitive); }, |
| TypeError, |
| debug(primitive) + ' is not an Object' |
| ); |
| }); |
| t.end(); |
| }); |
| |
| test('OrdinarySetPrototypeOf', function (t) { |
| var a = []; |
| var proto = {}; |
| |
| t.equal(ES.OrdinaryGetPrototypeOf(a), Array.prototype, 'precondition'); |
| t.equal(ES.OrdinarySetPrototypeOf(a, proto), true, 'setting prototype is successful'); |
| t.equal(ES.OrdinaryGetPrototypeOf(a), proto, 'postcondition'); |
| |
| t.end(); |
| }); |
| }; |
| |
| var es2017 = function ES2017(ES, ops, expectedMissing, skips) { |
| es2016(ES, ops, expectedMissing, assign({}, skips, { |
| EnumerableOwnNames: true, |
| IterableToArrayLike: true |
| })); |
| |
| test('ToIndex', function (t) { |
| t.ok(is(ES.ToIndex(), 0), 'no value gives 0'); |
| t.ok(is(ES.ToIndex(undefined), 0), 'undefined value gives 0'); |
| |
| t['throws'](function () { ES.ToIndex(-1); }, RangeError, 'negative numbers throw'); |
| |
| t['throws'](function () { ES.ToIndex(MAX_SAFE_INTEGER + 1); }, RangeError, 'too large numbers throw'); |
| |
| t.equal(ES.ToIndex(3), 3, 'numbers work'); |
| t.equal(ES.ToIndex(v.valueOfOnlyObject), 4, 'coercible objects are coerced'); |
| |
| t.end(); |
| }); |
| |
| test('EnumerableOwnProperties', { skip: skips && skips.EnumerableOwnProperties }, function (t) { |
| var obj = testEnumerableOwnNames(t, function (O) { |
| return ES.EnumerableOwnProperties(O, 'key'); |
| }); |
| |
| t.deepEqual( |
| ES.EnumerableOwnProperties(obj, 'value'), |
| [obj.own], |
| 'returns enumerable own values' |
| ); |
| |
| t.deepEqual( |
| ES.EnumerableOwnProperties(obj, 'key+value'), |
| [['own', obj.own]], |
| 'returns enumerable own entries' |
| ); |
| |
| t.end(); |
| }); |
| |
| test('IterableToList', function (t) { |
| var customIterator = function () { |
| var i = -1; |
| return { |
| next: function () { |
| i += 1; |
| return { |
| done: i >= 5, |
| value: i |
| }; |
| } |
| }; |
| }; |
| |
| t.deepEqual( |
| ES.IterableToList({}, customIterator), |
| [0, 1, 2, 3, 4], |
| 'iterator method is called and values collected' |
| ); |
| |
| t.test('Symbol support', { skip: !v.hasSymbols }, function (st) { |
| st.deepEqual(ES.IterableToList('abc', String.prototype[Symbol.iterator]), ['a', 'b', 'c'], 'a string of code units spreads'); |
| st.deepEqual(ES.IterableToList('☃', String.prototype[Symbol.iterator]), ['☃'], 'a string of code points spreads'); |
| |
| var arr = [1, 2, 3]; |
| st.deepEqual(ES.IterableToList(arr, arr[Symbol.iterator]), arr, 'an array becomes a similar array'); |
| st.notEqual(ES.IterableToList(arr, arr[Symbol.iterator]), arr, 'an array becomes a different, but similar, array'); |
| |
| st.end(); |
| }); |
| |
| t['throws']( |
| function () { ES.IterableToList({}, void 0); }, |
| TypeError, |
| 'non-function iterator method' |
| ); |
| |
| t.end(); |
| }); |
| }; |
| |
| var es2018 = function ES2018(ES, ops, expectedMissing, skips) { |
| es2017(ES, ops, expectedMissing, assign({}, skips, { |
| EnumerableOwnProperties: true, |
| GetSubstitution: true, |
| IsPropertyDescriptor: true |
| })); |
| |
| test('thisSymbolValue', function (t) { |
| forEach(v.nonSymbolPrimitives.concat(v.objects), function (nonSymbol) { |
| t['throws']( |
| function () { ES.thisSymbolValue(nonSymbol); }, |
| v.hasSymbols ? TypeError : SyntaxError, |
| debug(nonSymbol) + ' is not a Symbol' |
| ); |
| }); |
| |
| t.test('no native Symbols', { skip: v.hasSymbols }, function (st) { |
| forEach(v.objects.concat(v.primitives), function (value) { |
| st['throws']( |
| function () { ES.thisSymbolValue(value); }, |
| SyntaxError, |
| 'Symbols are not supported' |
| ); |
| }); |
| st.end(); |
| }); |
| |
| t.test('symbol values', { skip: !v.hasSymbols }, function (st) { |
| forEach(v.symbols, function (symbol) { |
| st.equal(ES.thisSymbolValue(symbol), symbol, 'Symbol value of ' + debug(symbol) + ' is same symbol'); |
| |
| st.equal( |
| ES.thisSymbolValue(Object(symbol)), |
| symbol, |
| 'Symbol value of ' + debug(Object(symbol)) + ' is ' + debug(symbol) |
| ); |
| }); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('IsStringPrefix', function (t) { |
| forEach(v.nonStrings, function (nonString) { |
| t['throws']( |
| function () { ES.IsStringPrefix(nonString, 'a'); }, |
| TypeError, |
| 'first arg: ' + debug(nonString) + ' is not a string' |
| ); |
| t['throws']( |
| function () { ES.IsStringPrefix('a', nonString); }, |
| TypeError, |
| 'second arg: ' + debug(nonString) + ' is not a string' |
| ); |
| }); |
| |
| forEach(v.strings, function (string) { |
| t.equal(ES.IsStringPrefix(string, string), true, debug(string) + ' is a prefix of itself'); |
| |
| t.equal(ES.IsStringPrefix('', string), true, 'the empty string is a prefix of everything'); |
| }); |
| |
| t.equal(ES.IsStringPrefix('abc', 'abcd'), true, '"abc" is a prefix of "abcd"'); |
| t.equal(ES.IsStringPrefix('abcd', 'abc'), false, '"abcd" is not a prefix of "abc"'); |
| |
| t.equal(ES.IsStringPrefix('a', 'bc'), false, '"a" is not a prefix of "bc"'); |
| |
| t.end(); |
| }); |
| |
| test('NumberToString', function (t) { |
| forEach(v.nonNumbers, function (nonNumber) { |
| t['throws']( |
| function () { ES.NumberToString(nonNumber); }, |
| TypeError, |
| debug(nonNumber) + ' is not a Number' |
| ); |
| }); |
| |
| forEach(v.numbers, function (number) { |
| t.equal(ES.NumberToString(number), String(number), debug(number) + ' stringifies to ' + number); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('CopyDataProperties', function (t) { |
| t.test('first argument: target', function (st) { |
| forEach(v.primitives, function (primitive) { |
| st['throws']( |
| function () { ES.CopyDataProperties(primitive, {}, []); }, |
| TypeError, |
| debug(primitive) + ' is not an Object' |
| ); |
| }); |
| st.end(); |
| }); |
| |
| t.test('second argument: source', function (st) { |
| var frozenTarget = Object.freeze ? Object.freeze({}) : {}; |
| forEach(v.nullPrimitives, function (nullish) { |
| st.equal( |
| ES.CopyDataProperties(frozenTarget, nullish, []), |
| frozenTarget, |
| debug(nullish) + ' "source" yields identical, unmodified target' |
| ); |
| }); |
| |
| forEach(v.nonNullPrimitives, function (objectCoercible) { |
| var target = {}; |
| var result = ES.CopyDataProperties(target, objectCoercible, []); |
| st.equal(result, target, 'result === target'); |
| st.deepEqual(keys(result), keys(Object(objectCoercible)), 'target ends up with keys of ' + debug(objectCoercible)); |
| }); |
| |
| st.end(); |
| }); |
| |
| t.test('third argument: excludedItems', function (st) { |
| forEach(v.objects.concat(v.primitives), function (nonArray) { |
| st['throws']( |
| function () { ES.CopyDataProperties({}, {}, nonArray); }, |
| TypeError, |
| debug(nonArray) + ' is not an Array' |
| ); |
| }); |
| |
| forEach(v.nonPropertyKeys, function (nonPropertyKey) { |
| st['throws']( |
| function () { ES.CopyDataProperties({}, {}, [nonPropertyKey]); }, |
| TypeError, |
| debug(nonPropertyKey) + ' is not a Property Key' |
| ); |
| }); |
| |
| var result = ES.CopyDataProperties({}, { a: 1, b: 2, c: 3 }, ['b']); |
| st.deepEqual(keys(result), ['a', 'c'], 'excluded string keys are excluded'); |
| |
| st.test('excluding symbols', { skip: !v.hasSymbols }, function (s2t) { |
| var source = {}; |
| forEach(v.symbols, function (symbol) { |
| source[symbol] = true; |
| }); |
| |
| var includedSymbols = v.symbols.slice(1); |
| var excludedSymbols = v.symbols.slice(0, 1); |
| var target = ES.CopyDataProperties({}, source, excludedSymbols); |
| |
| forEach(includedSymbols, function (symbol) { |
| s2t.equal(has(target, symbol), true, debug(symbol) + ' is included'); |
| }); |
| |
| forEach(excludedSymbols, function (symbol) { |
| s2t.equal(has(target, symbol), false, debug(symbol) + ' is excluded'); |
| }); |
| |
| s2t.end(); |
| }); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('PromiseResolve', function (t) { |
| t.test('Promises unsupported', { skip: typeof Promise === 'function' }, function (st) { |
| st['throws']( |
| function () { ES.PromiseResolve(); }, |
| SyntaxError, |
| 'Promises are not supported' |
| ); |
| st.end(); |
| }); |
| |
| t.test('Promises supported', { skip: typeof Promise !== 'function' }, function (st) { |
| st.plan(2); |
| |
| var a = {}; |
| var b = {}; |
| var fulfilled = Promise.resolve(a); |
| var rejected = Promise.reject(b); |
| |
| ES.PromiseResolve(Promise, fulfilled).then(function (x) { |
| st.equal(x, a, 'fulfilled promise resolves to fulfilled'); |
| }); |
| |
| ES.PromiseResolve(Promise, rejected)['catch'](function (e) { |
| st.equal(e, b, 'rejected promise resolves to rejected'); |
| }); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('EnumerableOwnPropertyNames', { skip: skips && skips.EnumerableOwnPropertyNames }, function (t) { |
| var obj = testEnumerableOwnNames(t, function (O) { |
| return ES.EnumerableOwnPropertyNames(O, 'key'); |
| }); |
| |
| t.deepEqual( |
| ES.EnumerableOwnPropertyNames(obj, 'value'), |
| [obj.own], |
| 'returns enumerable own values' |
| ); |
| |
| t.deepEqual( |
| ES.EnumerableOwnPropertyNames(obj, 'key+value'), |
| [['own', obj.own]], |
| 'returns enumerable own entries' |
| ); |
| |
| t.end(); |
| }); |
| |
| test('IsPromise', { skip: typeof Promise !== 'function' }, function (t) { |
| forEach(v.objects.concat(v.primitives), function (nonPromise) { |
| t.equal(ES.IsPromise(nonPromise), false, debug(nonPromise) + ' is not a Promise'); |
| }); |
| |
| var thenable = { then: Promise.prototype.then }; |
| t.equal(ES.IsPromise(thenable), false, 'generic thenable is not a Promise'); |
| |
| t.equal(ES.IsPromise(Promise.resolve()), true, 'Promise is a Promise'); |
| |
| t.end(); |
| }); |
| |
| test('GetSubstitution (ES2018+)', function (t) { |
| forEach(v.nonStrings, function (nonString) { |
| t['throws']( |
| function () { ES.GetSubstitution(nonString, '', 0, [], undefined, ''); }, |
| TypeError, |
| '`matched`: ' + debug(nonString) + ' is not a String' |
| ); |
| |
| t['throws']( |
| function () { ES.GetSubstitution('', nonString, 0, [], undefined, ''); }, |
| TypeError, |
| '`str`: ' + debug(nonString) + ' is not a String' |
| ); |
| |
| t['throws']( |
| function () { ES.GetSubstitution('', '', 0, [], undefined, nonString); }, |
| TypeError, |
| '`replacement`: ' + debug(nonString) + ' is not a String' |
| ); |
| |
| t['throws']( |
| function () { ES.GetSubstitution('', '', 0, [nonString], undefined, ''); }, |
| TypeError, |
| '`captures`: ' + debug([nonString]) + ' is not an Array of strings' |
| ); |
| }); |
| |
| forEach(v.nonIntegerNumbers.concat([-1, -42, -Infinity]), function (nonNonNegativeInteger) { |
| t['throws']( |
| function () { ES.GetSubstitution('', '', nonNonNegativeInteger, [], undefined, ''); }, |
| TypeError, |
| '`position`: ' + debug(nonNonNegativeInteger) + ' is not a non-negative integer' |
| ); |
| }); |
| |
| forEach(v.nonArrays, function (nonArray) { |
| t['throws']( |
| function () { ES.GetSubstitution('', '', 0, nonArray, undefined, ''); }, |
| TypeError, |
| '`captures`: ' + debug(nonArray) + ' is not an Array' |
| ); |
| }); |
| |
| t.equal( |
| ES.GetSubstitution('def', 'abcdefghi', 3, [], undefined, '123'), |
| '123', |
| 'returns the substitution' |
| ); |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '$$2$'), |
| '$2$', |
| 'supports $$, and trailing $' |
| ); |
| |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$&<'), |
| '>abcdef<', |
| 'supports $&' |
| ); |
| |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$`<'), |
| '><', |
| 'supports $` at position 0' |
| ); |
| t.equal( |
| ES.GetSubstitution('def', 'abcdefghi', 3, [], undefined, '>$`<'), |
| '>ab<', |
| 'supports $` at position > 0' |
| ); |
| |
| t.equal( |
| ES.GetSubstitution('def', 'abcdefghi', 7, [], undefined, ">$'<"), |
| '><', |
| "supports $' at a position where there's less than `matched.length` chars left" |
| ); |
| t.equal( |
| ES.GetSubstitution('def', 'abcdefghi', 3, [], undefined, ">$'<"), |
| '>ghi<', |
| "supports $' at a position where there's more than `matched.length` chars left" |
| ); |
| |
| for (var i = 0; i < 100; i += 1) { |
| var captures = []; |
| captures[i] = 'test'; |
| if (i > 0) { |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$' + i + '<'), |
| '>undefined<', |
| 'supports $' + i + ' with no captures' |
| ); |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$' + i), |
| '>undefined', |
| 'supports $' + i + ' at the end of the replacement, with no captures' |
| ); |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, undefined, '>$' + i + '<'), |
| '><', |
| 'supports $' + i + ' with a capture at that index' |
| ); |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, undefined, '>$' + i), |
| '>', |
| 'supports $' + i + ' at the end of the replacement, with a capture at that index' |
| ); |
| } |
| if (i < 10) { |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$0' + i + '<'), |
| i === 0 ? '><' : '>undefined<', |
| 'supports $0' + i + ' with no captures' |
| ); |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$0' + i), |
| i === 0 ? '>' : '>undefined', |
| 'supports $0' + i + ' at the end of the replacement, with no captures' |
| ); |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, undefined, '>$0' + i + '<'), |
| '><', |
| 'supports $0' + i + ' with a capture at that index' |
| ); |
| t.equal( |
| ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, undefined, '>$0' + i), |
| '>', |
| 'supports $0' + i + ' at the end of the replacement, with a capture at that index' |
| ); |
| } |
| } |
| |
| t.end(); |
| }); |
| |
| test('DateString', function (t) { |
| forEach(v.nonNumbers.concat(NaN), function (nonNumberOrNaN) { |
| t['throws']( |
| function () { ES.DateString(nonNumberOrNaN); }, |
| TypeError, |
| debug(nonNumberOrNaN) + ' is not a non-NaN Number' |
| ); |
| }); |
| |
| t.equal(ES.DateString(Date.UTC(2019, 8, 10, 7, 8, 9)), 'Tue Sep 10 2019'); |
| t.equal(ES.DateString(Date.UTC(2016, 1, 29, 7, 8, 9)), 'Mon Feb 29 2016'); // leap day |
| t.end(); |
| }); |
| |
| test('TimeString', function (t) { |
| forEach(v.nonNumbers.concat(NaN), function (nonNumberOrNaN) { |
| t['throws']( |
| function () { ES.TimeString(nonNumberOrNaN); }, |
| TypeError, |
| debug(nonNumberOrNaN) + ' is not a non-NaN Number' |
| ); |
| }); |
| |
| var tv = Date.UTC(2019, 8, 10, 7, 8, 9); |
| t.equal(ES.TimeString(tv), '07:08:09 GMT'); |
| t.end(); |
| }); |
| }; |
| |
| var es2019 = function ES2018(ES, ops, expectedMissing, skips) { |
| es2018(ES, ops, expectedMissing, assign({}, skips, { |
| })); |
| |
| test('AddEntriesFromIterable', function (t) { |
| t['throws']( |
| function () { ES.AddEntriesFromIterable({}, undefined, function () {}); }, |
| TypeError, |
| 'iterable must not be undefined' |
| ); |
| t['throws']( |
| function () { ES.AddEntriesFromIterable({}, null, function () {}); }, |
| TypeError, |
| 'iterable must not be null' |
| ); |
| forEach(v.nonFunctions, function (nonFunction) { |
| t['throws']( |
| function () { ES.AddEntriesFromIterable({}, {}, nonFunction); }, |
| TypeError, |
| debug(nonFunction) + ' is not a function' |
| ); |
| }); |
| |
| t.test('Symbol support', { skip: !v.hasSymbols }, function (st) { |
| st.plan(4); |
| |
| var O = {}; |
| st.equal(ES.AddEntriesFromIterable(O, [], function () {}), O, 'returns the target'); |
| |
| var adder = function (key, value) { |
| st.equal(this, O, 'adder gets proper receiver'); |
| st.equal(key, 0, 'k is key'); |
| st.equal(value, 'a', 'v is value'); |
| }; |
| ES.AddEntriesFromIterable(O, ['a'].entries(), adder); |
| |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('FlattenIntoArray', function (t) { |
| t.test('no mapper function', function (st) { |
| var testDepth = function testDepth(tt, depth, expected) { |
| var a = []; |
| var o = [[1], 2, , [[3]], [], 4, [[[[5]]]]]; // eslint-disable-line no-sparse-arrays |
| ES.FlattenIntoArray(a, o, o.length, 0, depth); |
| tt.deepEqual(a, expected, 'depth: ' + depth); |
| }; |
| |
| testDepth(st, 1, [1, 2, [3], 4, [[[5]]]]); |
| testDepth(st, 2, [1, 2, 3, 4, [[5]]]); |
| testDepth(st, 3, [1, 2, 3, 4, [5]]); |
| testDepth(st, 4, [1, 2, 3, 4, 5]); |
| testDepth(st, Infinity, [1, 2, 3, 4, 5]); |
| st.end(); |
| }); |
| |
| t.test('mapper function', function (st) { |
| var testMapper = function testMapper(tt, mapper, expected, thisArg) { |
| var a = []; |
| var o = [[1], 2, , [[3]], [], 4, [[[[5]]]]]; // eslint-disable-line no-sparse-arrays |
| ES.FlattenIntoArray(a, o, o.length, 0, 1, mapper, thisArg); |
| tt.deepEqual(a, expected); |
| }; |
| |
| var double = function double(x) { |
| return typeof x === 'number' ? 2 * x : x; |
| }; |
| testMapper( |
| st, |
| double, |
| [1, 4, [3], 8, [[[5]]]] |
| ); |
| testMapper( |
| st, |
| function (x) { return [this, double(x)]; }, |
| [42, [1], 42, 4, 42, [[3]], 42, [], 42, 8, 42, [[[[5]]]]], |
| 42 |
| ); |
| st.end(); |
| }); |
| |
| t.end(); |
| }); |
| |
| test('TrimString', function (t) { |
| t.test('non-object string', function (st) { |
| forEach(v.nullPrimitives, function (nullish) { |
| st['throws']( |
| function () { ES.TrimString(nullish); }, |
| debug(nullish) + ' is not an Object' |
| ); |
| }); |
| st.end(); |
| }); |
| |
| var string = ' \n abc \n '; |
| t.equal(ES.TrimString(string, 'start'), string.slice(string.indexOf('a'))); |
| t.equal(ES.TrimString(string, 'end'), string.slice(0, string.lastIndexOf('c') + 1)); |
| t.equal(ES.TrimString(string, 'start+end'), string.slice(string.indexOf('a'), string.lastIndexOf('c') + 1)); |
| |
| t.end(); |
| }); |
| }; |
| |
| module.exports = { |
| es2015: es2015, |
| es2016: es2016, |
| es2017: es2017, |
| es2018: es2018, |
| es2019: es2019 |
| }; |