blob: 5c30cb45c66829d40e0408651adec6584a92bc68 [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: "15.4.4.15-8-a-4",
path: "TestCases/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-8-a-4.js",
description: "Array.prototype.lastIndexOf - test that deleted properties of step 2 are visible here",
test: function testcase() {
var arr = { 2: 6.99 };
Object.defineProperty(arr, "length", {
get: function () {
delete arr[2];
return 3;
},
configurable: true
});
return -1 === Array.prototype.lastIndexOf.call(arr, 6.99);
},
precondition: function prereq() {
return fnExists(Array.prototype.lastIndexOf) && fnExists(Object.defineProperty);
}
});