blob: 6451a9ca77015f5dea785d0add084155d44b6556 [file] [log] [blame]
/// Copyright (c) 2009 Microsoft Corporation
///
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/// that the following conditions are met:
/// * Redistributions of source code must retain the above copyright notice, this list of conditions and
/// the following disclaimer.
/// * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
/// the following disclaimer in the documentation and/or other materials provided with the distribution.
/// * Neither the name of Microsoft nor the names of its contributors may be used to
/// endorse or promote products derived from this software without specific prior written permission.
///
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ES5Harness.registerTest({
id: "15.4.4.15-2-6",
path: "TestCases/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-2-6.js",
description: "Array.prototype.lastIndexOf when 'length' is own data property that overrides an inherited accessor property on an Array",
test: function testcase() {
var targetObj = new Date();
try {
Object.defineProperty(Array.prototype, "length", {
get: function () {
return 0;
},
configurable: true
});
return [0, targetObj, 2].lastIndexOf(targetObj) === 1;
} finally {
delete Array.prototype.length;
}
},
precondition: function prereq() {
return fnExists(Array.prototype.lastIndexOf) && fnExists(Object.defineProperty);
}
});