| // Copyright 2018 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| function assertListFormat(listFormat, input) { |
| var result; |
| try { |
| result = listFormat.formatToParts(input); |
| } catch (e) { |
| fail('should not throw exception ' + e); |
| } |
| assertTrue(Array.isArray(result)); |
| if (input) { |
| assertTrue(result.length >= input.length * 2 - 1); |
| for (var i = 0, j = 0; i < result.length; i++) { |
| assertEquals('string', typeof result[i].value); |
| assertEquals('string', typeof result[i].type); |
| assertTrue(result[i].type == 'literal' || result[i].type == 'element'); |
| if (result[i].type == 'element') { |
| assertEquals(String(input[j++]), result[i].value); |
| if (i - 1 >= 0) { |
| assertEquals('literal', result[i - 1].type); |
| } |
| if (i + 1 < result.length) { |
| assertEquals('literal', result[i + 1].type); |
| } |
| } |
| if (result[i].type == 'literal') { |
| assertTrue(result[i].value.length > 0); |
| if (i - 1 >= 0) { |
| assertEquals('element', result[i - 1].type); |
| } |
| if (i + 1 < result.length) { |
| assertEquals('element', result[i + 1].type); |
| } |
| } |
| } |
| } |
| } |
| |
| function testFormatter(listFormat) { |
| |
| assertListFormat(listFormat, []); |
| assertListFormat(listFormat, undefined); |
| assertListFormat(listFormat, ['1']); |
| assertListFormat(listFormat, ['a']); |
| assertListFormat(listFormat, ['1', 'b']); |
| assertListFormat(listFormat, ['1', 'b', '3']); |
| assertListFormat(listFormat, ['a', 'b']); |
| assertListFormat(listFormat, ['a', 'b', 'c']); |
| assertListFormat(listFormat, ['a', 'b', 'c', 'd']); |
| assertListFormat(listFormat, ['作者', '譚永鋒', '1', (new Date()).toString()]); |
| assertListFormat(listFormat, ['作者', '譚永鋒', '1', 'b', '3']); |
| // Tricky cases |
| assertListFormat(listFormat, [' ', 'b', 'c', 'and']); |
| assertListFormat(listFormat, [' ', 'b', 'c', 'or']); |
| assertListFormat(listFormat, ['and']); |
| assertListFormat(listFormat, ['or']); |
| |
| assertThrows(() => listFormat.formatToParts(null), TypeError); |
| assertThrows(() => listFormat.formatToParts([new Date()]), TypeError); |
| assertThrows(() => listFormat.formatToParts([1]), TypeError); |
| assertThrows(() => listFormat.formatToParts([1, 'b']), TypeError); |
| assertThrows(() => listFormat.formatToParts([1, 'b', 3]), TypeError); |
| assertThrows(() => listFormat.formatToParts([[3, 4]]), TypeError); |
| assertThrows(() => listFormat.formatToParts([undefined, 'world']), TypeError); |
| assertThrows(() => listFormat.formatToParts(['hello', undefined]), TypeError); |
| assertThrows(() => listFormat.formatToParts([undefined]), TypeError); |
| assertThrows(() => listFormat.formatToParts([null, 'world']), TypeError); |
| assertThrows(() => listFormat.formatToParts(['hello', null]), TypeError); |
| assertThrows(() => listFormat.formatToParts([null]), TypeError); |
| |
| } |
| testFormatter(new Intl.ListFormat()); |
| testFormatter(new Intl.ListFormat(["en"])); |
| testFormatter(new Intl.ListFormat(["en"], {style: 'long'})); |
| testFormatter(new Intl.ListFormat(["en"], {style: 'short'})); |
| testFormatter(new Intl.ListFormat(["en"], {style: 'narrow'})); |
| testFormatter(new Intl.ListFormat(["en"], {type: 'conjunction'})); |
| testFormatter(new Intl.ListFormat(["en"], {type: 'disjunction'})); |
| testFormatter(new Intl.ListFormat(["en"], {type: 'unit'})); |
| testFormatter(new Intl.ListFormat(["en"], {style: 'long', type: 'conjunction'})); |
| testFormatter( |
| new Intl.ListFormat(["en"], {style: 'short', type: 'conjunction'})); |
| testFormatter( |
| new Intl.ListFormat(["en"], {style: 'narrow', type: 'conjunction'})); |
| testFormatter(new Intl.ListFormat(["en"], {style: 'long', type: 'disjunction'})); |
| testFormatter( |
| new Intl.ListFormat(["en"], {style: 'short', type: 'disjunction'})); |
| testFormatter( |
| new Intl.ListFormat(["en"], {style: 'narrow', type: 'disjunction'})); |
| testFormatter(new Intl.ListFormat(["en"], {style: 'long', type: 'unit'})); |
| testFormatter(new Intl.ListFormat(["en"], {style: 'short', type: 'unit'})); |
| testFormatter(new Intl.ListFormat(["en"], {style: 'narrow', type: 'unit'})); |