| var BUGNUMBER = 918879; |
| var summary = 'String.prototype.codePointAt'; |
| |
| print(BUGNUMBER + ": " + summary); |
| |
| // Tests taken from: |
| // https://github.com/mathiasbynens/String.prototype.codePointAt/blob/master/tests/tests.js |
| assertEq(String.prototype.codePointAt.length, 1); |
| assertEq(String.prototype.propertyIsEnumerable('codePointAt'), false); |
| |
| // String that starts with a BMP symbol |
| assertEq('abc\uD834\uDF06def'.codePointAt(''), 0x61); |
| assertEq('abc\uD834\uDF06def'.codePointAt('_'), 0x61); |
| assertEq('abc\uD834\uDF06def'.codePointAt(), 0x61); |
| assertEq('abc\uD834\uDF06def'.codePointAt(-Infinity), undefined); |
| assertEq('abc\uD834\uDF06def'.codePointAt(-1), undefined); |
| assertEq('abc\uD834\uDF06def'.codePointAt(-0), 0x61); |
| assertEq('abc\uD834\uDF06def'.codePointAt(0), 0x61); |
| assertEq('abc\uD834\uDF06def'.codePointAt(3), 0x1D306); |
| assertEq('abc\uD834\uDF06def'.codePointAt(4), 0xDF06); |
| assertEq('abc\uD834\uDF06def'.codePointAt(5), 0x64); |
| assertEq('abc\uD834\uDF06def'.codePointAt(42), undefined); |
| assertEq('abc\uD834\uDF06def'.codePointAt(Infinity), undefined); |
| assertEq('abc\uD834\uDF06def'.codePointAt(Infinity), undefined); |
| assertEq('abc\uD834\uDF06def'.codePointAt(NaN), 0x61); |
| assertEq('abc\uD834\uDF06def'.codePointAt(false), 0x61); |
| assertEq('abc\uD834\uDF06def'.codePointAt(null), 0x61); |
| assertEq('abc\uD834\uDF06def'.codePointAt(undefined), 0x61); |
| |
| // String that starts with an astral symbol |
| assertEq('\uD834\uDF06def'.codePointAt(''), 0x1D306); |
| assertEq('\uD834\uDF06def'.codePointAt('1'), 0xDF06); |
| assertEq('\uD834\uDF06def'.codePointAt('_'), 0x1D306); |
| assertEq('\uD834\uDF06def'.codePointAt(), 0x1D306); |
| assertEq('\uD834\uDF06def'.codePointAt(-1), undefined); |
| assertEq('\uD834\uDF06def'.codePointAt(-0), 0x1D306); |
| assertEq('\uD834\uDF06def'.codePointAt(0), 0x1D306); |
| assertEq('\uD834\uDF06def'.codePointAt(1), 0xDF06); |
| assertEq('\uD834\uDF06def'.codePointAt(42), undefined); |
| assertEq('\uD834\uDF06def'.codePointAt(false), 0x1D306); |
| assertEq('\uD834\uDF06def'.codePointAt(null), 0x1D306); |
| assertEq('\uD834\uDF06def'.codePointAt(undefined), 0x1D306); |
| |
| // Lone high surrogates |
| assertEq('\uD834abc'.codePointAt(''), 0xD834); |
| assertEq('\uD834abc'.codePointAt('_'), 0xD834); |
| assertEq('\uD834abc'.codePointAt(), 0xD834); |
| assertEq('\uD834abc'.codePointAt(-1), undefined); |
| assertEq('\uD834abc'.codePointAt(-0), 0xD834); |
| assertEq('\uD834abc'.codePointAt(0), 0xD834); |
| assertEq('\uD834abc'.codePointAt(false), 0xD834); |
| assertEq('\uD834abc'.codePointAt(NaN), 0xD834); |
| assertEq('\uD834abc'.codePointAt(null), 0xD834); |
| assertEq('\uD834abc'.codePointAt(undefined), 0xD834); |
| |
| // Lone low surrogates |
| assertEq('\uDF06abc'.codePointAt(''), 0xDF06); |
| assertEq('\uDF06abc'.codePointAt('_'), 0xDF06); |
| assertEq('\uDF06abc'.codePointAt(), 0xDF06); |
| assertEq('\uDF06abc'.codePointAt(-1), undefined); |
| assertEq('\uDF06abc'.codePointAt(-0), 0xDF06); |
| assertEq('\uDF06abc'.codePointAt(0), 0xDF06); |
| assertEq('\uDF06abc'.codePointAt(false), 0xDF06); |
| assertEq('\uDF06abc'.codePointAt(NaN), 0xDF06); |
| assertEq('\uDF06abc'.codePointAt(null), 0xDF06); |
| assertEq('\uDF06abc'.codePointAt(undefined), 0xDF06); |
| |
| (function() { String.prototype.codePointAt.call(undefined); }, TypeError); |
| assertThrowsInstanceOf(function() { String.prototype.codePointAt.call(undefined, 4); }, TypeError); |
| assertThrowsInstanceOf(function() { String.prototype.codePointAt.call(null); }, TypeError); |
| assertThrowsInstanceOf(function() { String.prototype.codePointAt.call(null, 4); }, TypeError); |
| assertEq(String.prototype.codePointAt.call(42, 0), 0x34); |
| assertEq(String.prototype.codePointAt.call(42, 1), 0x32); |
| assertEq(String.prototype.codePointAt.call({ 'toString': function() { return 'abc'; } }, 2), 0x63); |
| |
| assertThrowsInstanceOf(function() { String.prototype.codePointAt.apply(undefined); }, TypeError); |
| assertThrowsInstanceOf(function() { String.prototype.codePointAt.apply(undefined, [4]); }, TypeError); |
| assertThrowsInstanceOf(function() { String.prototype.codePointAt.apply(null); }, TypeError); |
| assertThrowsInstanceOf(function() { String.prototype.codePointAt.apply(null, [4]); }, TypeError); |
| assertEq(String.prototype.codePointAt.apply(42, [0]), 0x34); |
| assertEq(String.prototype.codePointAt.apply(42, [1]), 0x32); |
| assertEq(String.prototype.codePointAt.apply({ 'toString': function() { return 'abc'; } }, [2]), 0x63); |
| |
| reportCompare(0, 0, "ok"); |