LayoutTests/ietestcenter/Javascript/TestCases/15.4.4.15-1-11.js

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ES5Harness.registerTest({

    id: "15.4.4.15-1-11",

    path: "TestCases/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-1-11.js",

    description: "Array.prototype.lastIndexOf applied to Date object",

    test: function testcase() {

        var obj = new Date();
        obj.length = 2;
        obj[1] = true;

        return Array.prototype.lastIndexOf.call(obj, true) === 1;
    },

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

});