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comparison: js/src/tests/ecma_5/extensions/__proto__.js
js/src/tests/ecma_5/extensions/__proto__.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:1d2e68dbf6e2 |
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| 1 /* | |
| 2 * Any copyright is dedicated to the Public Domain. | |
| 3 * http://creativecommons.org/licenses/publicdomain/ | |
| 4 */ | |
| 5 | |
| 6 var gTestfile = '__proto__.js'; | |
| 7 var BUGNUMBER = 770344; | |
| 8 var summary = "__proto__ as accessor"; | |
| 9 | |
| 10 print(BUGNUMBER + ": " + summary); | |
| 11 | |
| 12 /************** | |
| 13 * BEGIN TEST * | |
| 14 **************/ | |
| 15 | |
| 16 var protoDesc = Object.getOwnPropertyDescriptor(Object.prototype, "__proto__"); | |
| 17 assertEq(protoDesc !== null, true); | |
| 18 assertEq(typeof protoDesc, "object"); | |
| 19 assertEq(protoDesc.hasOwnProperty("get"), true); | |
| 20 assertEq(protoDesc.hasOwnProperty("set"), true); | |
| 21 assertEq(protoDesc.hasOwnProperty("enumerable"), true); | |
| 22 assertEq(protoDesc.hasOwnProperty("configurable"), true); | |
| 23 assertEq(protoDesc.hasOwnProperty("value"), false); | |
| 24 assertEq(protoDesc.hasOwnProperty("writable"), false); | |
| 25 | |
| 26 assertEq(protoDesc.configurable, true); | |
| 27 assertEq(protoDesc.enumerable, false); | |
| 28 assertEq(typeof protoDesc.get, "function", protoDesc.get + ""); | |
| 29 assertEq(typeof protoDesc.set, "function", protoDesc.set + ""); | |
| 30 | |
| 31 assertEq(delete Object.prototype.__proto__, true); | |
| 32 assertEq(Object.getOwnPropertyDescriptor(Object.prototype, "__proto__"), | |
| 33 undefined); | |
| 34 | |
| 35 var obj = {}; | |
| 36 obj.__proto__ = 5; | |
| 37 assertEq(Object.getPrototypeOf(obj), Object.prototype); | |
| 38 assertEq(obj.hasOwnProperty("__proto__"), true); | |
| 39 | |
| 40 var desc = Object.getOwnPropertyDescriptor(obj, "__proto__"); | |
| 41 assertEq(desc !== null, true); | |
| 42 assertEq(typeof desc, "object"); | |
| 43 assertEq(desc.value, 5); | |
| 44 assertEq(desc.writable, true); | |
| 45 assertEq(desc.enumerable, true); | |
| 46 assertEq(desc.configurable, true); | |
| 47 | |
| 48 /******************************************************************************/ | |
| 49 | |
| 50 if (typeof reportCompare === "function") | |
| 51 reportCompare(true, true); | |
| 52 | |
| 53 print("Tests complete"); |
