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Diffstat (limited to 'js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-162.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-162.js | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-162.js b/js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-162.js new file mode 100644 index 0000000000..a4b8af0beb --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-162.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: 15.2.3.7-6-a-162 +description: > + Object.defineProperties - 'O' is an Array, 'P' is the length + property of 'O', the [[Value]] field of 'desc' is less than value + of the length property, test the [[Writable]] attribute of the + length property is set to true at last after deleting properties + with large index named if the [[Writable]] field of 'desc' is true + (15.4.5.1 step 3.h) +---*/ + +var arr = [0, 1]; + +Object.defineProperties(arr, { + length: { + value: 1, + writable: true + } +}); + +arr.length = 10; //try to overwrite length value of arr + +assert.sameValue(arr.hasOwnProperty("1"), false, 'arr.hasOwnProperty("1")'); +assert.sameValue(arr.length, 10, 'arr.length'); +assert.sameValue(arr[0], 0, 'arr[0]'); + +reportCompare(0, 0); |