| function shouldBe(actual, expected) { | |
| if (actual !== expected) | |
| throw new Error('bad value: ' + actual); | |
| } | |
| function test() | |
| { | |
| var map = new WeakMap(); | |
| var key = {}; | |
| var key2 = {}; | |
| map.set(key, 42); | |
| map.set(key2, 2017); | |
| if (map.has(key)) | |
| return map.get(key); | |
| return 0; | |
| } | |
| noInline(test); | |
| for (var i = 0; i < 1e6; ++i) | |
| shouldBe(test(), 42); |