diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-117.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-117.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-117.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-117.js new file mode 100644 index 0000000000..96989d3052 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-117.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: 15.2.3.6-4-117 +description: > + Object.defineProperty - 'O' is an Array, test the length property + of 'O' is own data property that overrides an inherited data + property (15.4.5.1 step 1) +---*/ + +var arrObj = [0, 1, 2]; +var arrProtoLen; + +assert.throws(TypeError, function() { + arrProtoLen = Array.prototype.length; + Array.prototype.length = 0; + + + Object.defineProperty(arrObj, "2", { + configurable: false + }); + + Object.defineProperty(arrObj, "length", { + value: 1 + }); +}); +assert.sameValue(arrObj.length, 3, 'arrObj.length'); +assert.sameValue(Array.prototype.length, 0, 'Array.prototype.length'); + +reportCompare(0, 0); |