blob: 82396deeabb436ecd1c6ef7bef6c2b9459ff07c1 [file] [log] [blame]
/// Copyright (c) 2009 Microsoft Corporation
///
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/// the following disclaimer.
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ES5Harness.registerTest({
id: "15.4.4.15-8-a-6",
path: "TestCases/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-8-a-6.js",
description: "Array.prototype.lastIndexOf - test that deleted properties of step 5 are visible here on an Array",
test: function testcase() {
var arr = [];
arr[10] = "10";
arr.length = 20;
var fromIndex = {
valueOf: function () {
delete arr[10];
return 11;
}
};
return -1 === arr.lastIndexOf("10", fromIndex);
},
precondition: function prereq() {
return fnExists(Array.prototype.lastIndexOf);
}
});