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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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44 var o1 = {}; | 44 var o1 = {}; |
45 wm1.set(o1, 23); | 45 wm1.set(o1, 23); |
46 assertTrue(wm1.has(o1)); | 46 assertTrue(wm1.has(o1)); |
47 Object.freeze(o1); | 47 Object.freeze(o1); |
48 | 48 |
49 var wm2 = new WeakMap(); | 49 var wm2 = new WeakMap(); |
50 var o2 = Object.create(o1); | 50 var o2 = Object.create(o1); |
51 wm2.set(o2, 42); | 51 wm2.set(o2, 42); |
52 assertEquals(42, wm2.get(o2)); | 52 assertEquals(42, wm2.get(o2)); |
53 })(); | 53 })(); |
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