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// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.4.4.18-7-b-13
description: >
Array.prototype.forEach - deleting own property with prototype
property causes prototype index property to be visited on an Array
includes: [runTestCase.js]
---*/
function testcase() {
var testResult = false;
function callbackfn(val, idx, obj) {
if (idx === 1 && val === 1) {
testResult = true;
}
}
var arr = [0, 111];
Object.defineProperty(arr, "0", {
get: function () {
delete arr[1];
return 0;
},
configurable: true
});
try {
Array.prototype[1] = 1;
arr.forEach(callbackfn);
return testResult;
} finally {
delete Array.prototype[1];
}
}
runTestCase(testcase);
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