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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 ch15/15.4/15.4.4/15.4.4.16/15.4.4.16-7-b-15.js
* @description Array.prototype.every - decreasing length of array with prototype property causes prototype index property to be visited
*/
function testcase() {
function callbackfn(val, idx, obj) {
if (idx === 2 && val === "prototype") {
return false;
} else {
return true;
}
}
var arr = [0, 1, 2];
try {
Object.defineProperty(Array.prototype, "2", {
get: function () {
return "prototype";
},
configurable: true
});
Object.defineProperty(arr, "1", {
get: function () {
arr.length = 2;
return 1;
},
configurable: true
});
return !arr.every(callbackfn);
} finally {
delete Array.prototype[2];
}
}
runTestCase(testcase);
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