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			74 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // This file was procedurally generated from the following sources:
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| // - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
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| // - src/dstr-binding/default/cls-expr-async-private-gen-meth-dflt.template
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| /*---
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| description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (private class expression async generator method (default parameter))
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| esid: sec-class-definitions-runtime-semantics-evaluation
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| features: [class, class-methods-private, async-iteration]
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| flags: [generated, async]
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| info: |
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|     ClassExpression : class BindingIdentifieropt ClassTail
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| 
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|     1. If BindingIdentifieropt is not present, let className be undefined.
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|     2. Else, let className be StringValue of BindingIdentifier.
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|     3. Let value be the result of ClassDefinitionEvaluation of ClassTail
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|        with argument className.
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|     [...]
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| 
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|     14.5.14 Runtime Semantics: ClassDefinitionEvaluation
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| 
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|     21. For each ClassElement m in order from methods
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|         a. If IsStatic of m is false, then
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|            i. Let status be the result of performing
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|               PropertyDefinitionEvaluation for m with arguments proto and
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|               false.
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|         [...]
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| 
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|     Runtime Semantics: PropertyDefinitionEvaluation
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| 
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|     AsyncGeneratorMethod :
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|         async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
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|             { AsyncGeneratorBody }
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| 
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|     1. Let propKey be the result of evaluating PropertyName.
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|     2. ReturnIfAbrupt(propKey).
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|     3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
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|        Otherwise let strict be false.
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|     4. Let scope be the running execution context's LexicalEnvironment.
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|     5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
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|        AsyncGeneratorBody, scope, strict).
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|     [...]
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| 
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| 
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|     13.3.3.7 Runtime Semantics: KeyedBindingInitialization
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| 
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|     SingleNameBinding : BindingIdentifier Initializeropt
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| 
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|     [...]
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|     6. If Initializer is present and v is undefined, then
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|        [...]
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|        d. If IsAnonymousFunctionDefinition(Initializer) is true, then
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|           i. Let hasNameProperty be HasOwnProperty(v, "name").
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|           ii. ReturnIfAbrupt(hasNameProperty).
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|           iii. If hasNameProperty is false, perform SetFunctionName(v,
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|                bindingId).
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| ---*/
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| 
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| 
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| var callCount = 0;
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| var C = class {
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|   async * #method({ cover = (function () {}), xCover = (0, function() {})  } = {}) {
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|     assert.sameValue(cover.name, 'cover');
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|     assert.notSameValue(xCover.name, 'xCover');
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|     callCount = callCount + 1;
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|   }
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| 
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|   get method() {
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|     return this.#method;
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|   }
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| };
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| 
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| new C().method().next().then(() => {
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|     assert.sameValue(callCount, 1, 'invoked exactly once');    
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| }).then($DONE, $DONE);
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