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			55 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // This file was procedurally generated from the following sources:
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| // - src/spread/mult-err-itr-step.case
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| // - src/spread/error/call-expr.template
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| /*---
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| description: Spread operator following other arguments when IteratorStep fails (CallExpression)
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| esid: sec-function-calls-runtime-semantics-evaluation
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| features: [Symbol.iterator]
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| flags: [generated]
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| info: |
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|     CallExpression : MemberExpression Arguments
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| 
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|     [...]
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|     9. Return EvaluateDirectCall(func, thisValue, Arguments, tailCall).
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| 
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|     12.3.4.3 Runtime Semantics: EvaluateDirectCall
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| 
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|     1. Let argList be ArgumentListEvaluation(arguments).
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|     [...]
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|     6. Let result be Call(func, thisValue, argList).
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|     [...]
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| 
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|     12.3.6.1 Runtime Semantics: ArgumentListEvaluation
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| 
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|     ArgumentList : ArgumentList , ... AssignmentExpression
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| 
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|     1. Let precedingArgs be the result of evaluating ArgumentList.
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|     2. Let spreadRef be the result of evaluating AssignmentExpression.
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|     3. Let iterator be GetIterator(GetValue(spreadRef) ).
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|     4. ReturnIfAbrupt(iterator).
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| 
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|     7.4.5 IteratorStep ( iterator )
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| 
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|     1. Let result be IteratorNext(iterator).
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|     2. ReturnIfAbrupt(result).
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| 
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|     7.4.2 IteratorNext ( iterator, value )
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| 
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|     1. If value was not passed, then
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|        a. Let result be Invoke(iterator, "next", « »).
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|     [...]
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|     3. ReturnIfAbrupt(result).
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| ---*/
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| var iter = {};
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| iter[Symbol.iterator] = function() {
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|   return {
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|     next: function() {
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|       throw new Test262Error();
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|     }
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|   };
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| };
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| 
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| assert.throws(Test262Error, function() {
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|   (function() {}(0, ...iter));
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| });
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