mirror of https://github.com/tc39/test262.git
31 lines
1.0 KiB
JavaScript
31 lines
1.0 KiB
JavaScript
// Copyright 2009 the Sputnik authors. 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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info: >
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Object Modification Resulting in a New Object for Not a Self-Modified
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Object leads to loss of integrity
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es5id: 8.7_A4
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description: >
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Create a reference to the string, and Concatenate some new text
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onto the string object
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---*/
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//////////////////////////////////////////////////////////////////////////////
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//CHECK#
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// Set item equal to a new string object
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var item = new String("test");
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// itemRef now refers to the same string object
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var itemRef = item;
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// Concatenate some new text onto the string object
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// NOTE: This creates a new object, and does not modify
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// the original object.
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item += "ing";
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// The values of item and itemRef are NOT equal, as a whole
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// new string object has been created
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if( item == itemRef ){
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$ERROR('#1: var item = new String("test"); var itemRef = item; item += "ing"; item != itemRef');
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};
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//
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//////////////////////////////////////////////////////////////////////////////
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