mirror of
				https://github.com/tc39/test262.git
				synced 2025-10-31 11:44:31 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			62 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // This file was procedurally generated from the following sources:
 | |
| // - src/spread/mult-err-itr-step.case
 | |
| // - src/spread/error/super-call.template
 | |
| /*---
 | |
| description: Spread operator following other arguments when IteratorStep fails (SuperCall)
 | |
| esid: sec-super-keyword-runtime-semantics-evaluation
 | |
| features: [Symbol.iterator]
 | |
| flags: [generated]
 | |
| info: |
 | |
|     SuperCall : super Arguments
 | |
| 
 | |
|     1. Let newTarget be GetNewTarget().
 | |
|     2. If newTarget is undefined, throw a ReferenceError exception.
 | |
|     3. Let func be GetSuperConstructor().
 | |
|     4. ReturnIfAbrupt(func).
 | |
|     5. Let argList be ArgumentListEvaluation of Arguments.
 | |
|     [...]
 | |
| 
 | |
|     12.3.6.1 Runtime Semantics: ArgumentListEvaluation
 | |
| 
 | |
|     ArgumentList : ArgumentList , ... AssignmentExpression
 | |
| 
 | |
|     1. Let precedingArgs be the result of evaluating ArgumentList.
 | |
|     2. Let spreadRef be the result of evaluating AssignmentExpression.
 | |
|     3. Let iterator be GetIterator(GetValue(spreadRef) ).
 | |
|     4. ReturnIfAbrupt(iterator).
 | |
| 
 | |
|     7.4.5 IteratorStep ( iterator )
 | |
| 
 | |
|     1. Let result be IteratorNext(iterator).
 | |
|     2. ReturnIfAbrupt(result).
 | |
| 
 | |
|     7.4.2 IteratorNext ( iterator, value )
 | |
| 
 | |
|     1. If value was not passed, then
 | |
|        a. Let result be Invoke(iterator, "next", « »).
 | |
|     [...]
 | |
|     3. ReturnIfAbrupt(result).
 | |
| ---*/
 | |
| var iter = {};
 | |
| iter[Symbol.iterator] = function() {
 | |
|   return {
 | |
|     next: function() {
 | |
|       throw new Test262Error();
 | |
|     }
 | |
|   };
 | |
| };
 | |
| 
 | |
| class Test262ParentClass {
 | |
|   constructor() {}
 | |
| }
 | |
| 
 | |
| class Test262ChildClass extends Test262ParentClass {
 | |
|   constructor() {
 | |
|     super(0, ...iter);
 | |
|   }
 | |
| }
 | |
| 
 | |
| assert.throws(Test262Error, function() {
 | |
|   new Test262ChildClass();
 | |
| });
 |