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85 lines
2.6 KiB
JavaScript
85 lines
2.6 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/function-forms/params-trailing-comma-single.case
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// - src/function-forms/default/cls-decl-gen-meth.template
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/*---
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description: A trailing comma should not increase the respective length, using a single parameter (class expression method)
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esid: sec-class-definitions-runtime-semantics-evaluation
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features: [generators]
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flags: [generated]
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info: |
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ClassDeclaration : class BindingIdentifier ClassTail
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1. Let className be StringValue of BindingIdentifier.
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2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
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argument className.
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[...]
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14.5.14 Runtime Semantics: ClassDefinitionEvaluation
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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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14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
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GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
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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 GeneratorMethod is strict mode code,
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let strict be true. 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 GeneratorFunctionCreate(Method,
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StrictFormalParameters, GeneratorBody, scope, strict).
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9.2.1 [[Call]] ( thisArgument, argumentsList)
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[...]
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7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
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[...]
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9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
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1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
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[...]
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9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
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[...]
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23. Let iteratorRecord be Record {[[iterator]]:
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CreateListIterator(argumentsList), [[done]]: false}.
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24. If hasDuplicates is true, then
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[...]
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25. Else,
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b. Let formalStatus be IteratorBindingInitialization for formals with
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iteratorRecord and env as arguments.
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[...]
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Trailing comma in the parameters list
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14.1 Function Definitions
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FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
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---*/
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var callCount = 0;
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class C {
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*method(a,) {
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assert.sameValue(a, 42);
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callCount = callCount + 1;
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}
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}
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C.prototype.method(42, 39).next();
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// Stores a reference `ref` for case evaluation
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var ref = C.prototype.method;
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assert.sameValue(callCount, 1, 'method invoked exactly once');
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assert.sameValue(ref.length, 1, 'length is properly set');
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