mirror of https://github.com/tc39/test262.git
40 lines
1.0 KiB
JavaScript
40 lines
1.0 KiB
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es5id: 15.2.3.6-4-151
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description: >
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Object.defineProperty - 'O' is an Array, 'name' is the length
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property of 'O', and the [[Value]] field of 'desc' is an Object
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with an own toString method and an inherited valueOf method
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(15.4.5.1 step 3.c), test that the inherited valueOf method is used
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---*/
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var arrObj = [];
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var toStringAccessed = false;
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var valueOfAccessed = false;
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var proto = {
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valueOf: function() {
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valueOfAccessed = true;
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return 2;
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}
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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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child.toString = function() {
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toStringAccessed = true;
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return 3;
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};
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Object.defineProperty(arrObj, "length", {
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value: child
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});
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assert.sameValue(arrObj.length, 2, 'arrObj.length');
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assert.sameValue(toStringAccessed, false, 'toStringAccessed');
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assert(valueOfAccessed, 'valueOfAccessed !== true');
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