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ES5Harness.registerTest({

    id: "15.4.4.14-2-17",

    path: "TestCases/chapter15/15.4/15.4.4/15.4.4.14/15.4.4.14-2-17.js",

    description: "Array.prototype.indexOf when 'length' is property of the document host object",

    test: function testcase() {
        var targetObj = {};
        try {
            document.length = 2;

            document[1] = targetObj;
            if (Array.prototype.indexOf.call(document, targetObj) !== 1) {
                return false;
            }

            document[1] = {};
            document[2] = targetObj;

            return Array.prototype.indexOf.call(document, targetObj) === -1;
        } finally {
            delete document[1];
            delete document[2];
            delete document.length;
        }
    },

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

});