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			39 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			39 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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| /*---
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| es5id: 15.2.3.6-4-296
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| description: >
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|     Object.defineProperty - 'O' is an Arguments object, 'name' is own
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|     data property of 'O', test TypeError is thrown when updating the
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|     [[Configurable]] attribute value of 'name' which is defined as
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|     non-configurable (10.6 [[DefineOwnProperty]] step 4)
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| includes: [propertyHelper.js]
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| ---*/
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| 
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| (function() {
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|   Object.defineProperty(arguments, "0", {
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|     value: 10,
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|     writable: false,
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|     enumerable: false,
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|     configurable: false
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|   });
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|   try {
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|     Object.defineProperty(arguments, "0", {
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|       configurable: true
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|     });
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|     throw new Test262Error("Expected an exception.");
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|   } catch (e) {
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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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|   verifyProperty(arguments, "0", {
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|     value: 10,
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|     writable: false,
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|     enumerable: false,
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|     configurable: false,
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|   });
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| }(0, 1, 2));
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