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comparison: js/src/tests/ecma_5/Object/add-property-non-extensible.js
js/src/tests/ecma_5/Object/add-property-non-extensible.js
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| -1:000000000000 | 0:16ad3674de59 |
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| 1 /* | |
| 2 * Any copyright is dedicated to the Public Domain. | |
| 3 * http://creativecommons.org/licenses/publicdomain/ | |
| 4 * Contributor: | |
| 5 * Jeff Walden <jwalden+code@mit.edu> | |
| 6 */ | |
| 7 | |
| 8 var gTestfile = 'add-property-non-extensible.js'; | |
| 9 //----------------------------------------------------------------------------- | |
| 10 var BUGNUMBER = 602144; | |
| 11 var summary = | |
| 12 'Properly method-compile attempted addition of properties to ' + | |
| 13 'non-extensible objects'; | |
| 14 | |
| 15 print(BUGNUMBER + ": " + summary); | |
| 16 | |
| 17 /************** | |
| 18 * BEGIN TEST * | |
| 19 **************/ | |
| 20 | |
| 21 // No property | |
| 22 | |
| 23 var o1 = {}; | |
| 24 for (var i = 0; i < 5; i++) | |
| 25 o1.a = 3; | |
| 26 assertEq(o1.a, 3); | |
| 27 | |
| 28 var o2 = Object.preventExtensions({}); | |
| 29 for (var i = 0; i < 5; i++) | |
| 30 o2.a = 3; | |
| 31 assertEq(Object.getOwnPropertyDescriptor(o2, "a"), undefined); | |
| 32 | |
| 33 var o3 = Object.seal({}); | |
| 34 for (var i = 0; i < 5; i++) | |
| 35 o3.a = 3; | |
| 36 assertEq(Object.getOwnPropertyDescriptor(o3, "a"), undefined); | |
| 37 | |
| 38 var o4 = Object.freeze({}); | |
| 39 for (var i = 0; i < 5; i++) | |
| 40 o4.a = 3; | |
| 41 assertEq(Object.getOwnPropertyDescriptor(o4, "a"), undefined); | |
| 42 | |
| 43 | |
| 44 // Has property | |
| 45 | |
| 46 var o5 = { a: 2 }; | |
| 47 for (var i = 0; i < 5; i++) | |
| 48 o5.a = 3; | |
| 49 assertEq(o5.a, 3); | |
| 50 | |
| 51 var o6 = Object.preventExtensions({ a: 2 }); | |
| 52 for (var i = 0; i < 5; i++) | |
| 53 o6.a = 3; | |
| 54 assertEq(o6.a, 3); | |
| 55 | |
| 56 var o7 = Object.seal({ a: 2 }); | |
| 57 for (var i = 0; i < 5; i++) | |
| 58 o7.a = 3; | |
| 59 assertEq(o7.a, 3); | |
| 60 | |
| 61 var o8 = Object.freeze({ a: 2 }); | |
| 62 for (var i = 0; i < 5; i++) | |
| 63 o8.a = 3; | |
| 64 assertEq(o8.a, 2); | |
| 65 | |
| 66 | |
| 67 // Extensible, hit up the prototype chain | |
| 68 | |
| 69 var o9 = Object.create({ a: 2 }); | |
| 70 for (var i = 0; i < 5; i++) | |
| 71 o9.a = 3; | |
| 72 assertEq(o9.a, 3); | |
| 73 | |
| 74 var o10 = Object.create(Object.preventExtensions({ a: 2 })); | |
| 75 for (var i = 0; i < 5; i++) | |
| 76 o10.a = 3; | |
| 77 assertEq(o10.a, 3); | |
| 78 | |
| 79 var o11 = Object.create(Object.seal({ a: 2 })); | |
| 80 for (var i = 0; i < 5; i++) | |
| 81 o11.a = 3; | |
| 82 assertEq(o11.a, 3); | |
| 83 | |
| 84 var o12 = Object.create(Object.freeze({ a: 2 })); | |
| 85 for (var i = 0; i < 5; i++) | |
| 86 o12.a = 3; | |
| 87 assertEq(Object.getOwnPropertyDescriptor(o12, "a"), undefined); | |
| 88 | |
| 89 | |
| 90 // Not extensible, hit up the prototype chain | |
| 91 | |
| 92 var o13 = Object.preventExtensions(Object.create({ a: 2 })); | |
| 93 for (var i = 0; i < 5; i++) | |
| 94 o13.a = 3; | |
| 95 assertEq(Object.getOwnPropertyDescriptor(o13, "a"), undefined); | |
| 96 | |
| 97 var o14 = | |
| 98 Object.preventExtensions(Object.create(Object.preventExtensions({ a: 2 }))); | |
| 99 for (var i = 0; i < 5; i++) | |
| 100 o14.a = 3; | |
| 101 assertEq(Object.getOwnPropertyDescriptor(o14, "a"), undefined); | |
| 102 | |
| 103 var o15 = Object.preventExtensions(Object.create(Object.seal({ a: 2 }))); | |
| 104 for (var i = 0; i < 5; i++) | |
| 105 o15.a = 3; | |
| 106 assertEq(Object.getOwnPropertyDescriptor(o15, "a"), undefined); | |
| 107 | |
| 108 var o16 = Object.preventExtensions(Object.create(Object.freeze({ a: 2 }))); | |
| 109 for (var i = 0; i < 5; i++) | |
| 110 o16.a = 3; | |
| 111 assertEq(Object.getOwnPropertyDescriptor(o16, "a"), undefined); | |
| 112 | |
| 113 | |
| 114 /******************************************************************************/ | |
| 115 | |
| 116 reportCompare(true, true); | |
| 117 | |
| 118 print("All tests passed!"); |
