js/src/tests/ecma_5/Object/proto-property-change-writability-set.js@6474c204b198 (annotated)
js/src/tests/ecma_5/Object/proto-property-change-writability-set.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 | * Contributors: |
| michael@0 | 5 | * Gary Kwong |
| michael@0 | 6 | * Jeff Walden |
| michael@0 | 7 | * Jason Orendorff |
| michael@0 | 8 | */ |
| michael@0 | 9 | |
| michael@0 | 10 | //----------------------------------------------------------------------------- |
| michael@0 | 11 | var BUGNUMBER = 713944; |
| michael@0 | 12 | var summary = |
| michael@0 | 13 | "Don't assert anything about a shape from the property cache until it's " + |
| michael@0 | 14 | "known the cache entry matches"; |
| michael@0 | 15 | |
| michael@0 | 16 | print(BUGNUMBER + ": " + summary); |
| michael@0 | 17 | |
| michael@0 | 18 | /************** |
| michael@0 | 19 | * BEGIN TEST * |
| michael@0 | 20 | **************/ |
| michael@0 | 21 | |
| michael@0 | 22 | var accDesc = { set: function() {} }; |
| michael@0 | 23 | var dataDesc = { value: 3 }; |
| michael@0 | 24 | |
| michael@0 | 25 | function f() |
| michael@0 | 26 | { |
| michael@0 | 27 | propertyIsEnumerable = {}; |
| michael@0 | 28 | } |
| michael@0 | 29 | function g() |
| michael@0 | 30 | { |
| michael@0 | 31 | propertyIsEnumerable = {}; |
| michael@0 | 32 | } |
| michael@0 | 33 | |
| michael@0 | 34 | Object.defineProperty(Object.prototype, "propertyIsEnumerable", accDesc); |
| michael@0 | 35 | f(); |
| michael@0 | 36 | Object.defineProperty(Object.prototype, "propertyIsEnumerable", dataDesc); |
| michael@0 | 37 | assertEq(propertyIsEnumerable, 3); |
| michael@0 | 38 | f(); |
| michael@0 | 39 | assertEq(propertyIsEnumerable, 3); |
| michael@0 | 40 | g(); |
| michael@0 | 41 | assertEq(propertyIsEnumerable, 3); |
| michael@0 | 42 | |
| michael@0 | 43 | |
| michael@0 | 44 | |
| michael@0 | 45 | var a = { p1: 1, p2: 2 }; |
| michael@0 | 46 | var b = Object.create(a); |
| michael@0 | 47 | Object.defineProperty(a, "p1", {set: function () {}}); |
| michael@0 | 48 | for (var i = 0; i < 2; i++) |
| michael@0 | 49 | { |
| michael@0 | 50 | b.p1 = {}; |
| michael@0 | 51 | Object.defineProperty(a, "p1", {value: 3}); |
| michael@0 | 52 | } |
| michael@0 | 53 | assertEq(b.p1, 3); |
| michael@0 | 54 | assertEq(a.p1, 3); |
| michael@0 | 55 | |
| michael@0 | 56 | reportCompare(true, true); |
