blob: 13277c9c76aa627dd26907ad0dcf66b1d15c9985 [file] [log] [blame]
/// Copyright (c) 2009 Microsoft Corporation
///
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/// that the following conditions are met:
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/// 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.
///
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ES5Harness.registerTest({
id: "15.4.4.14-9-a-12",
path: "TestCases/chapter15/15.4/15.4.4/15.4.4.14/15.4.4.14-9-a-12.js",
description: "Array.prototype.indexOf - test that deleting own property causes it not to be visited on an Array",
test: function testcase() {
var arr = [1, 2];
Object.defineProperty(arr, "1", {
get: function () {
return "6.99";
},
configurable: true
});
Object.defineProperty(arr, "0", {
get: function () {
delete arr[1];
return 0;
},
configurable: true
});
return -1 === arr.indexOf("6.99");
},
precondition: function prereq() {
return fnExists(Array.prototype.indexOf) && fnExists(Object.defineProperty);
}
});