diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-24.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-24.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-24.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-24.js new file mode 100644 index 0000000000..0254703005 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-24.js @@ -0,0 +1,31 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 15.2.3.6-4-24 +description: > + Object.defineProperty - 'name' is own data property that overrides + an inherited data property (8.12.9 step 1) +---*/ + +var proto = {}; +Object.defineProperty(proto, "foo", { + value: 12, + configurable: true +}); + +var ConstructFun = function() {}; +ConstructFun.prototype = proto; +var obj = new ConstructFun(); +Object.defineProperty(obj, "foo", { + value: 11, + configurable: false +}); +assert.throws(TypeError, function() { + Object.defineProperty(obj, "foo", { + configurable: true + }); +}); +assert.sameValue(obj.foo, 11, 'obj.foo'); + +reportCompare(0, 0); |