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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-172.js | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-172.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-172.js new file mode 100644 index 0000000000..c26d21a80d --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-172.js @@ -0,0 +1,30 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 15.2.3.6-4-172 +description: > + Object.defineProperty - 'O' is an Array, 'name' is the length + property of 'O', the [[Value]] field of 'desc' is less than value + of the length property, test the [[Configurable]] attribute of + own data property with large index named in 'O' that overrides an + inherited data property can stop deleting index named properties + (15.4.5.1 step 3.l.ii) +---*/ + +var arrObj = [0, 1]; + +assert.throws(TypeError, function() { + Object.defineProperty(arrObj, "1", { + configurable: false + }); + + Array.prototype[1] = 2; + Object.defineProperty(arrObj, "length", { + value: 1 + }); +}); +assert.sameValue(arrObj.length, 2, 'arrObj.length'); +assert(arrObj.hasOwnProperty("1"), 'arrObj.hasOwnProperty("1") !== true'); + +reportCompare(0, 0); |