mirror of
				https://github.com/tc39/test262.git
				synced 2025-10-29 18:53:58 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			78 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // This file was procedurally generated from the following sources:
 | |
| // - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
 | |
| // - src/dstr-binding/default/cls-expr-meth-dflt.template
 | |
| /*---
 | |
| description: Trailing comma is allowed following BindingPropertyList (class expression method (default parameter))
 | |
| esid: sec-class-definitions-runtime-semantics-evaluation
 | |
| features: [destructuring-binding, default-parameters]
 | |
| flags: [generated]
 | |
| info: |
 | |
|     ClassExpression : class BindingIdentifieropt ClassTail
 | |
| 
 | |
|     1. If BindingIdentifieropt is not present, let className be undefined.
 | |
|     2. Else, let className be StringValue of BindingIdentifier.
 | |
|     3. Let value be the result of ClassDefinitionEvaluation of ClassTail
 | |
|        with argument className.
 | |
|     [...]
 | |
| 
 | |
|     14.5.14 Runtime Semantics: ClassDefinitionEvaluation
 | |
| 
 | |
|     21. For each ClassElement m in order from methods
 | |
|         a. If IsStatic of m is false, then
 | |
|            i. Let status be the result of performing
 | |
|               PropertyDefinitionEvaluation for m with arguments proto and
 | |
|               false.
 | |
|         [...]
 | |
| 
 | |
|     14.3.8 Runtime Semantics: DefineMethod
 | |
| 
 | |
|     MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
 | |
| 
 | |
|     [...]
 | |
|     6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
 | |
|        scope, strict). If functionPrototype was passed as a parameter then pass its
 | |
|        value as the functionPrototype optional argument of FunctionCreate.
 | |
|     [...]
 | |
| 
 | |
|     9.2.1 [[Call]] ( thisArgument, argumentsList)
 | |
| 
 | |
|     [...]
 | |
|     7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
 | |
|     [...]
 | |
| 
 | |
|     9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
 | |
| 
 | |
|     1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
 | |
|     [...]
 | |
| 
 | |
|     9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
 | |
| 
 | |
|     [...]
 | |
|     23. Let iteratorRecord be Record {[[iterator]]:
 | |
|         CreateListIterator(argumentsList), [[done]]: false}.
 | |
|     24. If hasDuplicates is true, then
 | |
|         [...]
 | |
|     25. Else,
 | |
|         b. Let formalStatus be IteratorBindingInitialization for formals with
 | |
|            iteratorRecord and env as arguments.
 | |
|     [...]
 | |
| 
 | |
|     13.3.3 Destructuring Binding Patterns
 | |
| 
 | |
|     ObjectBindingPattern[Yield] :
 | |
|         { }
 | |
|         { BindingPropertyList[?Yield] }
 | |
|         { BindingPropertyList[?Yield] , }
 | |
| ---*/
 | |
| 
 | |
| var callCount = 0;
 | |
| var C = class {
 | |
|   method({ x: [y], } = { x: [45] }) {
 | |
|     assert.sameValue(y,45);
 | |
|     callCount = callCount + 1;
 | |
|   }
 | |
| };
 | |
| 
 | |
| new C().method();
 | |
| assert.sameValue(callCount, 1, 'method invoked exactly once');
 |