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comparison: js/src/jit-test/tests/collections/Set-surfaces-1.js
js/src/jit-test/tests/collections/Set-surfaces-1.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:b56ca2e49cf3 |
|---|---|
| 1 // Set surfaces | |
| 2 | |
| 3 load(libdir + "iteration.js"); | |
| 4 | |
| 5 var desc = Object.getOwnPropertyDescriptor(this, "Set"); | |
| 6 assertEq(desc.enumerable, false); | |
| 7 assertEq(desc.configurable, true); | |
| 8 assertEq(desc.writable, true); | |
| 9 | |
| 10 assertEq(typeof Set, 'function'); | |
| 11 assertEq(Object.keys(Set).length, 0); | |
| 12 assertEq(Set.length, 0); | |
| 13 assertEq(Set.name, "Set"); | |
| 14 | |
| 15 assertEq(Object.getPrototypeOf(Set.prototype), Object.prototype); | |
| 16 assertEq(Object.prototype.toString.call(Set.prototype), "[object Set]"); | |
| 17 assertEq(Object.prototype.toString.call(new Set), "[object Set]"); | |
| 18 assertEq(Object.prototype.toString.call(Set()), "[object Set]"); | |
| 19 assertEq(Object.keys(Set.prototype).join(), ""); | |
| 20 assertEq(Set.prototype.constructor, Set); | |
| 21 | |
| 22 function checkMethod(name, arity) { | |
| 23 var desc = Object.getOwnPropertyDescriptor(Set.prototype, name); | |
| 24 assertEq(desc.enumerable, false); | |
| 25 assertEq(desc.configurable, true); | |
| 26 assertEq(desc.writable, true); | |
| 27 assertEq(typeof desc.value, 'function'); | |
| 28 assertEq(desc.value.name, name); | |
| 29 assertEq(desc.value.length, arity); | |
| 30 } | |
| 31 | |
| 32 checkMethod("has", 1); | |
| 33 checkMethod("add", 1); | |
| 34 checkMethod("delete", 1); | |
| 35 checkMethod("values", 0); | |
| 36 checkMethod("entries", 0); | |
| 37 | |
| 38 var desc = Object.getOwnPropertyDescriptor(Set.prototype, "size"); | |
| 39 assertEq(desc.enumerable, false); | |
| 40 assertEq(desc.configurable, true); | |
| 41 assertEq(typeof desc.get, 'function'); | |
| 42 assertEq(desc.get.length, 0); | |
| 43 assertEq(desc.set, undefined); | |
| 44 checkMethod("clear", 0); | |
| 45 | |
| 46 // Set.prototype.keys, .values, and .iterator are the same function object | |
| 47 assertEq(Set.prototype.keys, Set.prototype.values); | |
| 48 assertEq(Set.prototype[std_iterator], Set.prototype.values); |
