OLD | NEW |
1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 |
(...skipping 19 matching lines...) Expand all Loading... |
30 var key1 = {}; | 30 var key1 = {}; |
31 var key2 = {}; | 31 var key2 = {}; |
32 var map = new WeakMap; | 32 var map = new WeakMap; |
33 | 33 |
34 // Adding hidden properties preserves map sharing. Putting the key into | 34 // Adding hidden properties preserves map sharing. Putting the key into |
35 // a WeakMap will cause the first hidden property to be added. | 35 // a WeakMap will cause the first hidden property to be added. |
36 assertTrue(%HaveSameMap(key1, key2)); | 36 assertTrue(%HaveSameMap(key1, key2)); |
37 map.set(key1, 1); | 37 map.set(key1, 1); |
38 map.set(key2, 2); | 38 map.set(key2, 2); |
39 assertTrue(%HaveSameMap(key1, key2)); | 39 assertTrue(%HaveSameMap(key1, key2)); |
OLD | NEW |