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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-2-5.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-2-5.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-2-5.js b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-2-5.js new file mode 100644 index 0000000000..342a9b7b38 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-2-5.js @@ -0,0 +1,32 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-array.prototype.lastindexof +description: > + Array.prototype.lastIndexOf - 'length' is own data property that + overrides an inherited accessor property on an Array-like object +---*/ + +var proto = {}; +Object.defineProperty(proto, "length", { + get: function() { + return 0; + }, + configurable: true +}); + +var Con = function() {}; +Con.prototype = proto; + +var child = new Con(); + +Object.defineProperty(child, "length", { + value: 2, + configurable: true +}); +child[1] = null; + +assert.sameValue(Array.prototype.lastIndexOf.call(child, null), 1, 'Array.prototype.lastIndexOf.call(child, null)'); + +reportCompare(0, 0); |