diff options
Diffstat (limited to 'js/src/tests/ecma_5/Object/add-property-non-extensible.js')
-rw-r--r-- | js/src/tests/ecma_5/Object/add-property-non-extensible.js | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/js/src/tests/ecma_5/Object/add-property-non-extensible.js b/js/src/tests/ecma_5/Object/add-property-non-extensible.js new file mode 100644 index 000000000..2089a5678 --- /dev/null +++ b/js/src/tests/ecma_5/Object/add-property-non-extensible.js @@ -0,0 +1,118 @@ +/* + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ + * Contributor: + * Jeff Walden <jwalden+code@mit.edu> + */ + +var gTestfile = 'add-property-non-extensible.js'; +//----------------------------------------------------------------------------- +var BUGNUMBER = 602144; +var summary = + 'Properly method-compile attempted addition of properties to ' + + 'non-extensible objects'; + +print(BUGNUMBER + ": " + summary); + +/************** + * BEGIN TEST * + **************/ + +// No property + +var o1 = {}; +for (var i = 0; i < 5; i++) + o1.a = 3; +assertEq(o1.a, 3); + +var o2 = Object.preventExtensions({}); +for (var i = 0; i < 5; i++) + o2.a = 3; +assertEq(Object.getOwnPropertyDescriptor(o2, "a"), undefined); + +var o3 = Object.seal({}); +for (var i = 0; i < 5; i++) + o3.a = 3; +assertEq(Object.getOwnPropertyDescriptor(o3, "a"), undefined); + +var o4 = Object.freeze({}); +for (var i = 0; i < 5; i++) + o4.a = 3; +assertEq(Object.getOwnPropertyDescriptor(o4, "a"), undefined); + + +// Has property + +var o5 = { a: 2 }; +for (var i = 0; i < 5; i++) + o5.a = 3; +assertEq(o5.a, 3); + +var o6 = Object.preventExtensions({ a: 2 }); +for (var i = 0; i < 5; i++) + o6.a = 3; +assertEq(o6.a, 3); + +var o7 = Object.seal({ a: 2 }); +for (var i = 0; i < 5; i++) + o7.a = 3; +assertEq(o7.a, 3); + +var o8 = Object.freeze({ a: 2 }); +for (var i = 0; i < 5; i++) + o8.a = 3; +assertEq(o8.a, 2); + + +// Extensible, hit up the prototype chain + +var o9 = Object.create({ a: 2 }); +for (var i = 0; i < 5; i++) + o9.a = 3; +assertEq(o9.a, 3); + +var o10 = Object.create(Object.preventExtensions({ a: 2 })); +for (var i = 0; i < 5; i++) + o10.a = 3; +assertEq(o10.a, 3); + +var o11 = Object.create(Object.seal({ a: 2 })); +for (var i = 0; i < 5; i++) + o11.a = 3; +assertEq(o11.a, 3); + +var o12 = Object.create(Object.freeze({ a: 2 })); +for (var i = 0; i < 5; i++) + o12.a = 3; +assertEq(Object.getOwnPropertyDescriptor(o12, "a"), undefined); + + +// Not extensible, hit up the prototype chain + +var o13 = Object.preventExtensions(Object.create({ a: 2 })); +for (var i = 0; i < 5; i++) + o13.a = 3; +assertEq(Object.getOwnPropertyDescriptor(o13, "a"), undefined); + +var o14 = + Object.preventExtensions(Object.create(Object.preventExtensions({ a: 2 }))); +for (var i = 0; i < 5; i++) + o14.a = 3; +assertEq(Object.getOwnPropertyDescriptor(o14, "a"), undefined); + +var o15 = Object.preventExtensions(Object.create(Object.seal({ a: 2 }))); +for (var i = 0; i < 5; i++) + o15.a = 3; +assertEq(Object.getOwnPropertyDescriptor(o15, "a"), undefined); + +var o16 = Object.preventExtensions(Object.create(Object.freeze({ a: 2 }))); +for (var i = 0; i < 5; i++) + o16.a = 3; +assertEq(Object.getOwnPropertyDescriptor(o16, "a"), undefined); + + +/******************************************************************************/ + +reportCompare(true, true); + +print("All tests passed!"); |