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			43 lines
		
	
	
		
			1004 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			1004 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-236
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| description: >
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|     Object.defineProperties - TypeError is thrown if 'O' is an Array,
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|     'P' is an array index named property that already exists on 'O' is
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|     data property with  [[Configurable]], [[Writable]] false, 'desc'
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|     is data descriptor, [[Value]] field of 'desc' is -0, and the
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|     [[Value]] attribute value of 'P' is +0  (15.4.5.1 step 4.c)
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| includes: [propertyHelper.js]
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| ---*/
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| 
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| var arr = [];
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| 
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| Object.defineProperty(arr, "1", {
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|   value: -0
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| });
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| 
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| try {
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|   Object.defineProperties(arr, {
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|     "1": {
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|       value: +0
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|     }
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|   });
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| 
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|   throw new Test262Error("Expected an exception.");
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| } catch (e) {
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|   verifyEqualTo(arr, "1", -0);
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| 
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|   verifyNotWritable(arr, "1");
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| 
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|   verifyNotEnumerable(arr, "1");
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| 
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|   verifyNotConfigurable(arr, "1");
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| 
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|   if (!(e instanceof TypeError)) {
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|     throw new Test262Error("Expected TypeError, got " + e);
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|   }
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| 
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| }
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