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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: 15.4.4.17-7-b-10
description: >
Array.prototype.some - deleting property of prototype causes
prototype index property not to be visited on an Array-like Object
includes: [runTestCase.js]
---*/
function testcase() {
var accessed = false;
function callbackfn(val, idx, obj) {
accessed = true;
return idx === 1;
}
var arr = { 2: 2, length: 20 };
Object.defineProperty(arr, "0", {
get: function () {
delete Object.prototype[1];
return 0;
},
configurable: true
});
try {
Object.prototype[1] = 1;
return !Array.prototype.some.call(arr, callbackfn) && accessed;
} finally {
delete Object.prototype[1];
}
}
runTestCase(testcase);
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