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/// Copyright (c) 2011 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 ch08/8.12/8.12.5/8.12.5-3-b_1.js
* @description Changing the value of a data property should not affect it's non-value property descriptor attributes.
*/
function testcase() {
var origReduce = Array.prototype.reduce;
var origDesc = Object.getOwnPropertyDescriptor(Array.prototype, "reduce");
var newDesc;
try {
Array.prototype.reduce = function () {;};
newDesc = Object.getOwnPropertyDescriptor(Array.prototype, "reduce");
var descArray = [origDesc, newDesc];
for (var j in descArray) { //Ensure no attributes are magically added to newDesc
for (var i in descArray[j]) {
if (i==="value") {
if (origDesc[i]===newDesc[i]) {
return false;
}
}
else if (origDesc[i]!==newDesc[i]) {
return false;
}
}
}
return true;
} finally {
Array.prototype.reduce = origReduce;
}
}
runTestCase(testcase);
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