js/src/tests/ecma_5/extensions/__proto__.js@6474c204b198 (annotated)
js/src/tests/ecma_5/extensions/__proto__.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Any copyright is dedicated to the Public Domain. |
| michael@0 | 3 | * http://creativecommons.org/licenses/publicdomain/ |
| michael@0 | 4 | */ |
| michael@0 | 5 | |
| michael@0 | 6 | var gTestfile = '__proto__.js'; |
| michael@0 | 7 | var BUGNUMBER = 770344; |
| michael@0 | 8 | var summary = "__proto__ as accessor"; |
| michael@0 | 9 | |
| michael@0 | 10 | print(BUGNUMBER + ": " + summary); |
| michael@0 | 11 | |
| michael@0 | 12 | /************** |
| michael@0 | 13 | * BEGIN TEST * |
| michael@0 | 14 | **************/ |
| michael@0 | 15 | |
| michael@0 | 16 | var protoDesc = Object.getOwnPropertyDescriptor(Object.prototype, "__proto__"); |
| michael@0 | 17 | assertEq(protoDesc !== null, true); |
| michael@0 | 18 | assertEq(typeof protoDesc, "object"); |
| michael@0 | 19 | assertEq(protoDesc.hasOwnProperty("get"), true); |
| michael@0 | 20 | assertEq(protoDesc.hasOwnProperty("set"), true); |
| michael@0 | 21 | assertEq(protoDesc.hasOwnProperty("enumerable"), true); |
| michael@0 | 22 | assertEq(protoDesc.hasOwnProperty("configurable"), true); |
| michael@0 | 23 | assertEq(protoDesc.hasOwnProperty("value"), false); |
| michael@0 | 24 | assertEq(protoDesc.hasOwnProperty("writable"), false); |
| michael@0 | 25 | |
| michael@0 | 26 | assertEq(protoDesc.configurable, true); |
| michael@0 | 27 | assertEq(protoDesc.enumerable, false); |
| michael@0 | 28 | assertEq(typeof protoDesc.get, "function", protoDesc.get + ""); |
| michael@0 | 29 | assertEq(typeof protoDesc.set, "function", protoDesc.set + ""); |
| michael@0 | 30 | |
| michael@0 | 31 | assertEq(delete Object.prototype.__proto__, true); |
| michael@0 | 32 | assertEq(Object.getOwnPropertyDescriptor(Object.prototype, "__proto__"), |
| michael@0 | 33 | undefined); |
| michael@0 | 34 | |
| michael@0 | 35 | var obj = {}; |
| michael@0 | 36 | obj.__proto__ = 5; |
| michael@0 | 37 | assertEq(Object.getPrototypeOf(obj), Object.prototype); |
| michael@0 | 38 | assertEq(obj.hasOwnProperty("__proto__"), true); |
| michael@0 | 39 | |
| michael@0 | 40 | var desc = Object.getOwnPropertyDescriptor(obj, "__proto__"); |
| michael@0 | 41 | assertEq(desc !== null, true); |
| michael@0 | 42 | assertEq(typeof desc, "object"); |
| michael@0 | 43 | assertEq(desc.value, 5); |
| michael@0 | 44 | assertEq(desc.writable, true); |
| michael@0 | 45 | assertEq(desc.enumerable, true); |
| michael@0 | 46 | assertEq(desc.configurable, true); |
| michael@0 | 47 | |
| michael@0 | 48 | /******************************************************************************/ |
| michael@0 | 49 | |
| michael@0 | 50 | if (typeof reportCompare === "function") |
| michael@0 | 51 | reportCompare(true, true); |
| michael@0 | 52 | |
| michael@0 | 53 | print("Tests complete"); |
