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comparison: js/src/tests/ecma_5/extensions/destructuring-__proto__-shorthand-assignment.js
js/src/tests/ecma_5/extensions/destructuring-__proto__-shorthand-assignment.js
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| -1:000000000000 | 0:ab01de41e496 |
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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 = 'destructuring-__proto__-shorthand-assignment.js'; | |
| 7 var BUGNUMBER = 963641; | |
| 8 var summary = "{ __proto__ } should work as a destructuring assignment pattern"; | |
| 9 | |
| 10 print(BUGNUMBER + ": " + summary); | |
| 11 | |
| 12 /************** | |
| 13 * BEGIN TEST * | |
| 14 **************/ | |
| 15 | |
| 16 function objectWithProtoProperty(v) | |
| 17 { | |
| 18 var obj = {}; | |
| 19 return Object.defineProperty(obj, "__proto__", | |
| 20 { | |
| 21 enumerable: true, | |
| 22 configurable: true, | |
| 23 writable: true, | |
| 24 value: v | |
| 25 }); | |
| 26 } | |
| 27 | |
| 28 var { __proto__ } = objectWithProtoProperty(42); | |
| 29 assertEq(__proto__, 42); | |
| 30 | |
| 31 ({ __proto__ } = objectWithProtoProperty(17)); | |
| 32 assertEq(__proto__, 17); | |
| 33 | |
| 34 function nested() | |
| 35 { | |
| 36 var { __proto__ } = objectWithProtoProperty("fnord"); | |
| 37 assertEq(__proto__, "fnord"); | |
| 38 | |
| 39 ({ __proto__ } = objectWithProtoProperty(undefined)); | |
| 40 assertEq(__proto__, undefined); | |
| 41 } | |
| 42 nested(); | |
| 43 | |
| 44 /******************************************************************************/ | |
| 45 | |
| 46 if (typeof reportCompare === "function") | |
| 47 reportCompare(true, true); | |
| 48 | |
| 49 print("Tests complete"); |
