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			31 lines
		
	
	
		
			711 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			711 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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| esid: sec-weakset-iterable
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| description: >
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|   Return abrupt after getting `add` method.
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| info: |
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|   23.4.1.1 WeakSet ( [ iterable ] )
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| 
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|   ...
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|   5. If iterable is not present, let iterable be undefined.
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|   6. If iterable is either undefined or null, let iter be undefined.
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|   7. Else,
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|     a. Let adder be Get(set, "add").
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|     b. ReturnIfAbrupt(adder).
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|     ...
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| ---*/
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| 
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| Object.defineProperty(WeakSet.prototype, 'add', {
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|   get: function() {
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|     throw new Test262Error();
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|   }
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| });
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| 
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| new WeakSet();
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| new WeakSet(null);
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| 
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| assert.throws(Test262Error, function() {
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|   new WeakSet([]);
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| });
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