| function shouldBe(actual, expected) | |
| { | |
| if (actual !== expected) | |
| throw new Error('bad value: ' + actual); | |
| } | |
| function test(object) | |
| { | |
| return Object.getOwnPropertyNames(object); | |
| } | |
| noInline(test); | |
| var object = {0: 42}; | |
| for (var i = 0; i < 1e3; ++i) { | |
| var result = test(object); | |
| shouldBe(result.length, 1); | |
| shouldBe(result[0], '0'); | |
| } | |
| object[1] = 44; | |
| for (var i = 0; i < 1e3; ++i) { | |
| var result = test(object); | |
| shouldBe(result.length, 2); | |
| shouldBe(result[0], '0'); | |
| shouldBe(result[1], '1'); | |
| } |