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// Copyright (c) 2012 Ecma International. All rights reserved.
// Ecma International makes this code available under the terms and conditions set
// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
// "Use Terms"). Any redistribution of this code must retain the above
// copyright and this notice and otherwise comply with the Use Terms.
/*---
es5id: 15.4.4.15-8-b-i-4
description: >
Array.prototype.lastIndexOf - element to be retrieved is own data
property that overrides an inherited data property on an
Array-like object
includes: [runTestCase.js]
---*/
function testcase() {
try {
Object.prototype[0] = false;
return 0 === Array.prototype.lastIndexOf.call({ 0: true, 1: 1, length: 2 }, true);
} finally {
delete Object.prototype[0];
}
}
runTestCase(testcase);
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