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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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132 | 132 |
133 // Test some common JavaScript idioms | 133 // Test some common JavaScript idioms |
134 var m = new WeakMap; | 134 var m = new WeakMap; |
135 assertTrue(m instanceof WeakMap); | 135 assertTrue(m instanceof WeakMap); |
136 assertTrue(WeakMap.prototype.set instanceof Function) | 136 assertTrue(WeakMap.prototype.set instanceof Function) |
137 assertTrue(WeakMap.prototype.get instanceof Function) | 137 assertTrue(WeakMap.prototype.get instanceof Function) |
138 assertTrue(WeakMap.prototype.has instanceof Function) | 138 assertTrue(WeakMap.prototype.has instanceof Function) |
139 assertTrue(WeakMap.prototype.delete instanceof Function) | 139 assertTrue(WeakMap.prototype.delete instanceof Function) |
140 | 140 |
141 | 141 |
| 142 // Regression test for issue 1617: The prototype of the WeakMap constructor |
| 143 // needs to be unique (i.e. different from the one of the Object constructor). |
| 144 assertFalse(WeakMap.prototype === Object.prototype); |
| 145 var o = Object.create({}); |
| 146 assertFalse("get" in o); |
| 147 assertFalse("set" in o); |
| 148 assertEquals(undefined, o.get); |
| 149 assertEquals(undefined, o.set); |
| 150 var o = Object.create({}, { myValue: { |
| 151 value: 10, |
| 152 enumerable: false, |
| 153 configurable: true, |
| 154 writable: true |
| 155 }}); |
| 156 assertEquals(10, o.myValue); |
| 157 |
| 158 |
142 // Stress Test | 159 // Stress Test |
143 // There is a proposed stress-test available at the es-discuss mailing list | 160 // There is a proposed stress-test available at the es-discuss mailing list |
144 // which cannot be reasonably automated. Check it out by hand if you like: | 161 // which cannot be reasonably automated. Check it out by hand if you like: |
145 // https://mail.mozilla.org/pipermail/es-discuss/2011-May/014096.html | 162 // https://mail.mozilla.org/pipermail/es-discuss/2011-May/014096.html |
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