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			27 lines
		
	
	
		
			731 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			731 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright (C) 2015 the V8 project 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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| es6id: 19.1.2.1
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| description: Invoked with a source whose own property descriptor cannot be retrieved
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| info: |
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|     [...]
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|     5. For each element nextSource of sources, in ascending index order,
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|        [...]
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|        c. Repeat for each element nextKey of keys in List order,
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|           i. Let desc be from.[[GetOwnProperty]](nextKey).
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|           ii. ReturnIfAbrupt(desc).
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| features: [Proxy]
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| ---*/
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| 
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| var source = new Proxy({
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|   attr: null
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| }, {
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|   getOwnPropertyDescriptor: function() {
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|     throw new Test262Error();
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|   }
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| });
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| 
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| assert.throws(Test262Error, function() {
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|   Object.assign({}, source);
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| });
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