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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.
/**
* @path ch15/15.4/15.4.4/15.4.4.15/15.4.4.15-8-b-i-15.js
* @description Array.prototype.lastIndexOf - element to be retrieved is inherited accessor property on an Array
*/
function testcase() {
try {
Object.defineProperty(Array.prototype, "0", {
get: function () {
return 10;
},
configurable: true
});
Object.defineProperty(Array.prototype, "1", {
get: function () {
return 20;
},
configurable: true
});
Object.defineProperty(Array.prototype, "2", {
get: function () {
return 30;
},
configurable: true
});
return 0 === [, , , ].lastIndexOf(10) &&
1 === [, , , ].lastIndexOf(20) &&
2 === [, , , ].lastIndexOf(30);
} finally {
delete Array.prototype[0];
delete Array.prototype[1];
delete Array.prototype[2];
}
}
runTestCase(testcase);
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