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/// Copyright (c) 2012 Ecma International. All rights reserved.
/// Ecma International makes this code available under the terms and conditions set
/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
/// "Use Terms"). Any redistribution of this code must retain the above
/// copyright and this notice and otherwise comply with the Use Terms.
/**
* @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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