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			25 lines
		
	
	
		
			568 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			568 B
		
	
	
	
		
			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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| /*---
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| es5id: 15.2.3.7-6-a-143
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| description: >
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|     Object.defineProperties - 'O' is an Array, 'name' is the length
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|     property of 'O', test the [[Value]] field of 'desc' is an Object
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|     which has an own valueOf method (15.4.5.1 step 3.c)
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| ---*/
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| 
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| var arr = [];
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| 
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| Object.defineProperties(arr, {
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|   length: {
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|     value: {
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|       valueOf: function() {
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|         return 2;
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|       }
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|     }
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|   }
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| });
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| 
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| assert.sameValue(arr.length, 2, 'arr.length');
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