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comparison: js/src/jit-test/tests/collections/WeakMap-clear.js
js/src/jit-test/tests/collections/WeakMap-clear.js
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- 6474c204b198
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| -1:000000000000 | 0:1edbb464814a |
|---|---|
| 1 var key = {}; | |
| 2 var wm = WeakMap(); | |
| 3 | |
| 4 assertEq(wm.has(key), false); | |
| 5 // Clearing an already empty WeakMap | |
| 6 wm.clear(); | |
| 7 assertEq(wm.has(key), false); | |
| 8 | |
| 9 // Clearing a WeakMap with a live key | |
| 10 wm.set(key, 42); | |
| 11 assertEq(wm.has(key), true); | |
| 12 wm.clear(); | |
| 13 assertEq(wm.has(key), false); | |
| 14 | |
| 15 // Clearing a WeakMap with keys turned to garbage | |
| 16 wm.set(key, {}); | |
| 17 for (var i = 0; i < 10; i++) | |
| 18 wm.set({}, {}); | |
| 19 assertEq(wm.has(key), true); | |
| 20 wm.clear(); | |
| 21 assertEq(wm.has(key), false); | |
| 22 | |
| 23 // Clearing a WeakMap with keys turned to garbage and after doing a GC | |
| 24 wm.set(key, {}); | |
| 25 for (var i = 0; i < 10; i++) | |
| 26 wm.set({}, {}); | |
| 27 assertEq(wm.has(key), true); | |
| 28 gc(); | |
| 29 assertEq(wm.has(key), true); | |
| 30 wm.clear(); | |
| 31 assertEq(wm.has(key), false); | |
| 32 | |
| 33 // More testing when the key is no longer live | |
| 34 wm.set(key, {}); | |
| 35 key = null; | |
| 36 wm.clear(); | |
| 37 gc(); | |
| 38 var key2 = {}; | |
| 39 wm.set(key2, {}); | |
| 40 key2 = null; | |
| 41 gc(); | |
| 42 wm.clear(); |
