mirror of https://github.com/tc39/test262.git
69 lines
3.0 KiB
JavaScript
69 lines
3.0 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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* @id: 12.6.4-2;
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* @path: TestCases/chapter12/12.6/12.6.4/12.6.4-2.js;
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* @description: The for-in Statement - the values of [[Enumerable]] attributes are not considered when determining if a property of a prototype object is shadowed by a previous object on the prototype chain;
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* @precondition: (fnExists(Object.defineProperty));
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*/
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assertTrue((function testcase() {
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var obj = {};
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var proto = {};
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Object.defineProperty(proto, "prop", {
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value: "inheritedValue",
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enumerable: false,
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configurable: true,
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writable: true
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});
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var ConstructFun = function () { };
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ConstructFun.prototype = proto;
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var child = new ConstructFun();
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Object.defineProperty(child, "prop1", {
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value: "overridedValue1",
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enumerable: false
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});
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Object.defineProperty(child, "prop2", {
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value: "overridedValue2",
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enumerable: true
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});
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var accessedProp1 = false;
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var accessedProp2 = false;
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for (var p in child) {
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if (child.hasOwnProperty(p)) {
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if (p === "prop1") {
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accessedProp1 = true;
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}
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if (p === "prop2") {
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accessedProp2 = true;
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}
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}
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}
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return !accessedProp1 && accessedProp2 && child.prop1 === "overridedValue1" && child.prop2 === "overridedValue2";
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}).call(this));
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