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/// Copyright (c) 2009 Microsoft Corporation 
/// 
/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
/// that the following conditions are met: 
///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
///      the following disclaimer. 
///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
///    * Neither the name of Microsoft nor the names of its contributors may be used to
///      endorse or promote products derived from this software without specific prior written permission.
/// 
/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

/**
 * @path ch11/11.13/11.13.2/11.13.2-32-s.js
 * @description Strict Mode - TypeError is thrown if The LeftHandSide of a Compound Assignment operator(^=) is a reference to a data property with the attribute value {[[Writable]]:false}
 * @onlyStrict
 */


function testcase() {
        "use strict";
        var obj = {};
        Object.defineProperty(obj, "prop", {
            value: 10,
            writable: false,
            enumerable: true,
            configurable: true
        });

        try {
            obj.prop ^= 20;
            return false;
        } catch (e) {
            return e instanceof TypeError && obj.prop === 10;
        }
    }
runTestCase(testcase);