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ES5Harness.registerTest( {

    id: "15.4.4.15-3-1",

    path: "TestCases/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-3-1.js",

    description: "Array.prototype.lastIndexOf when value of 'length' is undefined",

    test: function testcase() {

        var obj = { 0: 1, 1: 1, length: undefined };

        return Array.prototype.lastIndexOf.call(obj, 1) === -1;
    },

    precondition: function prereq() {
        return fnExists(Array.prototype.lastIndexOf);
    }

});