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// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.4.4.15-8-b-i-16
description: >
Array.prototype.lastIndexOf - element to be retrieved is inherited
accessor property on an Array-like object
includes: [runTestCase.js]
---*/
function testcase() {
try {
Object.defineProperty(Object.prototype, "0", {
get: function () {
return 10;
},
configurable: true
});
Object.defineProperty(Object.prototype, "1", {
get: function () {
return 20;
},
configurable: true
});
Object.defineProperty(Object.prototype, "2", {
get: function () {
return 30;
},
configurable: true
});
return 0 === Array.prototype.lastIndexOf.call({ length: 3 }, 10) &&
1 === Array.prototype.lastIndexOf.call({ length: 3 }, 20) &&
2 === Array.prototype.lastIndexOf.call({ length: 3 }, 30);
} finally {
delete Object.prototype[0];
delete Object.prototype[1];
delete Object.prototype[2];
}
}
runTestCase(testcase);
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