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			46 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			1.1 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: 15.2.3.7-6-a-313
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| description: >
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|     Object.defineProperties - 'O' is an Arguments object, 'P' is
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|     generic own accessor property of 'O', test TypeError is thrown
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|     when updating the [[Configurable]] attribute value of 'P' which is
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|     not 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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| var arg = (function() {
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|   return arguments;
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| }(1, 2, 3));
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| 
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| function setFun(value) {
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|   arg.genericPropertyString = value;
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| }
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| Object.defineProperty(arg, "genericProperty", {
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|   set: setFun,
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|   configurable: false
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| });
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| 
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| try {
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|   Object.defineProperties(arg, {
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|     "genericProperty": {
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|       configurable: true
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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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|   verifyWritable(arg, "genericProperty", "genericPropertyString");
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| 
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|   verifyNotEnumerable(arg, "genericProperty");
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| 
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|   verifyNotConfigurable(arg, "genericProperty");
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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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