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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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32 assertTrue(Array.prototype.hasOwnProperty('values')); | 32 assertTrue(Array.prototype.hasOwnProperty('values')); |
33 assertTrue(Array.prototype.hasOwnProperty('keys')); | 33 assertTrue(Array.prototype.hasOwnProperty('keys')); |
34 | 34 |
35 assertFalse(Array.prototype.propertyIsEnumerable('entries')); | 35 assertFalse(Array.prototype.propertyIsEnumerable('entries')); |
36 assertFalse(Array.prototype.propertyIsEnumerable('values')); | 36 assertFalse(Array.prototype.propertyIsEnumerable('values')); |
37 assertFalse(Array.prototype.propertyIsEnumerable('keys')); | 37 assertFalse(Array.prototype.propertyIsEnumerable('keys')); |
38 } | 38 } |
39 TestArrayPrototype(); | 39 TestArrayPrototype(); |
40 | 40 |
41 function assertIteratorResult(value, done, result) { | 41 function assertIteratorResult(value, done, result) { |
42 assertEquals({ value: value, done: done}, result); | 42 assertEquals({value: value, done: done}, result); |
43 } | 43 } |
44 | 44 |
45 function TestValues() { | 45 function TestValues() { |
46 var array = ['a', 'b', 'c']; | 46 var array = ['a', 'b', 'c']; |
47 var iterator = array.values(); | 47 var iterator = array.values(); |
48 assertIteratorResult('a', false, iterator.next()); | 48 assertIteratorResult('a', false, iterator.next()); |
49 assertIteratorResult('b', false, iterator.next()); | 49 assertIteratorResult('b', false, iterator.next()); |
50 assertIteratorResult('c', false, iterator.next()); | 50 assertIteratorResult('c', false, iterator.next()); |
51 assertIteratorResult(void 0, true, iterator.next()); | 51 assertIteratorResult(void 0, true, iterator.next()); |
52 | 52 |
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63 assertIteratorResult('c', false, iterator.next()); | 63 assertIteratorResult('c', false, iterator.next()); |
64 array.push('d'); | 64 array.push('d'); |
65 assertIteratorResult('d', false, iterator.next()); | 65 assertIteratorResult('d', false, iterator.next()); |
66 assertIteratorResult(void 0, true, iterator.next()); | 66 assertIteratorResult(void 0, true, iterator.next()); |
67 } | 67 } |
68 TestValuesMutate(); | 68 TestValuesMutate(); |
69 | 69 |
70 function TestKeys() { | 70 function TestKeys() { |
71 var array = ['a', 'b', 'c']; | 71 var array = ['a', 'b', 'c']; |
72 var iterator = array.keys(); | 72 var iterator = array.keys(); |
73 assertIteratorResult('0', false, iterator.next()); | 73 assertIteratorResult(0, false, iterator.next()); |
74 assertIteratorResult('1', false, iterator.next()); | 74 assertIteratorResult(1, false, iterator.next()); |
75 assertIteratorResult('2', false, iterator.next()); | 75 assertIteratorResult(2, false, iterator.next()); |
76 assertIteratorResult(void 0, true, iterator.next()); | 76 assertIteratorResult(void 0, true, iterator.next()); |
77 | 77 |
78 array.push('d'); | 78 array.push('d'); |
79 assertIteratorResult(void 0, true, iterator.next()); | 79 assertIteratorResult(void 0, true, iterator.next()); |
80 } | 80 } |
81 TestKeys(); | 81 TestKeys(); |
82 | 82 |
83 function TestKeysMutate() { | 83 function TestKeysMutate() { |
84 var array = ['a', 'b', 'c']; | 84 var array = ['a', 'b', 'c']; |
85 var iterator = array.keys(); | 85 var iterator = array.keys(); |
86 assertIteratorResult('0', false, iterator.next()); | 86 assertIteratorResult(0, false, iterator.next()); |
87 assertIteratorResult('1', false, iterator.next()); | 87 assertIteratorResult(1, false, iterator.next()); |
88 assertIteratorResult('2', false, iterator.next()); | 88 assertIteratorResult(2, false, iterator.next()); |
89 array.push('d'); | 89 array.push('d'); |
90 assertIteratorResult('3', false, iterator.next()); | 90 assertIteratorResult(3, false, iterator.next()); |
91 assertIteratorResult(void 0, true, iterator.next()); | 91 assertIteratorResult(void 0, true, iterator.next()); |
92 } | 92 } |
93 TestKeysMutate(); | 93 TestKeysMutate(); |
94 | 94 |
95 function TestEntries() { | 95 function TestEntries() { |
96 var array = ['a', 'b', 'c']; | 96 var array = ['a', 'b', 'c']; |
97 var iterator = array.entries(); | 97 var iterator = array.entries(); |
98 assertIteratorResult(['0', 'a'], false, iterator.next()); | 98 assertIteratorResult([0, 'a'], false, iterator.next()); |
99 assertIteratorResult(['1', 'b'], false, iterator.next()); | 99 assertIteratorResult([1, 'b'], false, iterator.next()); |
100 assertIteratorResult(['2', 'c'], false, iterator.next()); | 100 assertIteratorResult([2, 'c'], false, iterator.next()); |
101 assertIteratorResult(void 0, true, iterator.next()); | 101 assertIteratorResult(void 0, true, iterator.next()); |
102 | 102 |
103 array.push('d'); | 103 array.push('d'); |
104 assertIteratorResult(void 0, true, iterator.next()); | 104 assertIteratorResult(void 0, true, iterator.next()); |
105 } | 105 } |
106 TestEntries(); | 106 TestEntries(); |
107 | 107 |
108 function TestEntriesMutate() { | 108 function TestEntriesMutate() { |
109 var array = ['a', 'b', 'c']; | 109 var array = ['a', 'b', 'c']; |
110 var iterator = array.entries(); | 110 var iterator = array.entries(); |
111 assertIteratorResult(['0', 'a'], false, iterator.next()); | 111 assertIteratorResult([0, 'a'], false, iterator.next()); |
112 assertIteratorResult(['1', 'b'], false, iterator.next()); | 112 assertIteratorResult([1, 'b'], false, iterator.next()); |
113 assertIteratorResult(['2', 'c'], false, iterator.next()); | 113 assertIteratorResult([2, 'c'], false, iterator.next()); |
114 array.push('d'); | 114 array.push('d'); |
115 assertIteratorResult(['3', 'd'], false, iterator.next()); | 115 assertIteratorResult([3, 'd'], false, iterator.next()); |
116 assertIteratorResult(void 0, true, iterator.next()); | 116 assertIteratorResult(void 0, true, iterator.next()); |
117 } | 117 } |
118 TestEntriesMutate(); | 118 TestEntriesMutate(); |
119 | 119 |
120 function TestArrayIteratorPrototype() { | 120 function TestArrayIteratorPrototype() { |
121 var array = []; | 121 var array = []; |
122 var iterator = array.values(); | 122 var iterator = array.values(); |
123 | 123 |
124 var ArrayIterator = iterator.constructor; | 124 var ArrayIterator = iterator.constructor; |
125 assertEquals(ArrayIterator.prototype, array.values().__proto__); | 125 assertEquals(ArrayIterator.prototype, array.values().__proto__); |
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161 var buffer = []; | 161 var buffer = []; |
162 var array = [0, 'a', true, false, null, /* hole */, undefined, NaN]; | 162 var array = [0, 'a', true, false, null, /* hole */, undefined, NaN]; |
163 var i = 0; | 163 var i = 0; |
164 for (var key of array.keys()) { | 164 for (var key of array.keys()) { |
165 buffer[i++] = key; | 165 buffer[i++] = key; |
166 } | 166 } |
167 | 167 |
168 assertEquals(8, buffer.length); | 168 assertEquals(8, buffer.length); |
169 | 169 |
170 for (var i = 0; i < buffer.length; i++) { | 170 for (var i = 0; i < buffer.length; i++) { |
171 assertEquals(String(i), buffer[i]); | 171 assertEquals(i, buffer[i]); |
172 } | 172 } |
173 } | 173 } |
174 TestForArrayKeys(); | 174 TestForArrayKeys(); |
175 | 175 |
176 function TestForArrayEntries() { | 176 function TestForArrayEntries() { |
177 var buffer = []; | 177 var buffer = []; |
178 var array = [0, 'a', true, false, null, /* hole */, undefined, NaN]; | 178 var array = [0, 'a', true, false, null, /* hole */, undefined, NaN]; |
179 var i = 0; | 179 var i = 0; |
180 for (var entry of array.entries()) { | 180 for (var entry of array.entries()) { |
181 buffer[i++] = entry; | 181 buffer[i++] = entry; |
182 } | 182 } |
183 | 183 |
184 assertEquals(8, buffer.length); | 184 assertEquals(8, buffer.length); |
185 | 185 |
186 for (var i = 0; i < buffer.length - 1; i++) { | 186 for (var i = 0; i < buffer.length - 1; i++) { |
187 assertEquals(array[i], buffer[i][1]); | 187 assertEquals(array[i], buffer[i][1]); |
188 } | 188 } |
189 assertTrue(isNaN(buffer[buffer.length - 1][1])); | 189 assertTrue(isNaN(buffer[buffer.length - 1][1])); |
190 | 190 |
191 for (var i = 0; i < buffer.length; i++) { | 191 for (var i = 0; i < buffer.length; i++) { |
192 assertEquals(String(i), buffer[i][0]); | 192 assertEquals(i, buffer[i][0]); |
193 } | 193 } |
194 } | 194 } |
195 TestForArrayEntries(); | 195 TestForArrayEntries(); |
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