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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-8
description: >
Array.prototype.lastIndexOf - element to be retrieved is inherited
data property on an Array-like object
includes: [runTestCase.js]
---*/
function testcase() {
try {
Object.prototype[0] = true;
Object.prototype[1] = false;
Object.prototype[2] = "true";
return 0 === Array.prototype.lastIndexOf.call({ length: 3 }, true) &&
1 === Array.prototype.lastIndexOf.call({ length: 3 }, false) &&
2 === Array.prototype.lastIndexOf.call({ length: 3 }, "true");
} finally {
delete Object.prototype[0];
delete Object.prototype[1];
delete Object.prototype[2];
}
}
runTestCase(testcase);
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