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Diffstat (limited to 'js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-167.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-167.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-167.js b/js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-167.js new file mode 100644 index 0000000000..f623d1f37d --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-167.js @@ -0,0 +1,29 @@ +// 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-167 +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 [[Configurable]] attribute of + inherited data property with large index named in 'O' can't stop + deleting index named properties (15.4.5.1 step 3.l.ii) +---*/ + +var arr = [0, 1]; + +Array.prototype[1] = 2; //we are not allowed to set the [[Configurable]] attribute of property "1" to false here, since Array.prototype is a global object, and non-configurbale property can't revert to configurable + +Object.defineProperties(arr, { + length: { + value: 1 + } +}); + +assert.sameValue(arr.length, 1, 'arr.length'); +assert.sameValue(arr.hasOwnProperty("1"), false, 'arr.hasOwnProperty("1")'); +assert.sameValue(arr[0], 0, 'arr[0]'); +assert.sameValue(Array.prototype[1], 2, 'Array.prototype[1]'); + +reportCompare(0, 0); |