LayoutTests/ietestcenter/Javascript/TestCases/15.4.4.15-5-33.js

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ES5Harness.registerTest({

    id: "15.4.4.15-5-33",

    path: "TestCases/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-5-33.js",

    description: "Array.prototype.lastIndexOf match on the first element, a middle element and the last element when 'fromIndex' is passed",

    test: function testcase() {

        return [0, 1, 2, 3, 4].lastIndexOf(0, 0) === 0 &&
            [0, 1, 2, 3, 4].lastIndexOf(0, 2) === 0 &&
            [0, 1, 2, 3, 4].lastIndexOf(2, 2) === 2 &&
            [0, 1, 2, 3, 4].lastIndexOf(2, 4) === 2 &&
            [0, 1, 2, 3, 4].lastIndexOf(4, 4) === 4;
    },

    precondition: function prereq() {
        return fnExists(Array.prototype.lastIndexOf);
    }

});