mirror of https://github.com/tc39/test262.git
55 lines
2.6 KiB
JavaScript
55 lines
2.6 KiB
JavaScript
/// Copyright (c) 2009 Microsoft Corporation
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///
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/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
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/// that the following conditions are met:
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/// * Redistributions of source code must retain the above copyright notice, this list of conditions and
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/// the following disclaimer.
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/// * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
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/// the following disclaimer in the documentation and/or other materials provided with the distribution.
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/// * Neither the name of Microsoft nor the names of its contributors may be used to
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/// endorse or promote products derived from this software without specific prior written permission.
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///
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/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/**
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* @path chapter15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-217.js
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* @description Object.defineProperty - 'O' is an Array, 'name' is an array index property, both the [[Value]] field of 'desc' and the [[Value]] attribute value of 'name' are NaN (15.4.5.1 step 4.c)
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*/
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function testcase() {
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var arrObj = [];
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Object.defineProperty(arrObj, "0", { value: NaN });
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Object.defineProperty(arrObj, "0", { value: NaN });
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var hasProperty = arrObj.hasOwnProperty("0");
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var verifyValue = (arrObj[0] !== arrObj[0]);
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var verifyWritable = false;
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arrObj[0] = 1001;
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verifyWritable = arrObj[0] !== 1001 && arrObj[0] !== arrObj[0];
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var verifyEnumerable = false;
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for (var p in arrObj) {
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if (p === "0") {
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verifyEnumerable = true;
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}
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}
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var verifyConfigurable = false;
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delete arrObj[0];
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verifyConfigurable = arrObj.hasOwnProperty("0");
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return hasProperty && verifyValue && verifyWritable && !verifyEnumerable && verifyConfigurable;
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}
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runTestCase(testcase);
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