params-trailing-comma-multiple.js (2775B)
1 // This file was procedurally generated from the following sources: 2 // - src/function-forms/params-trailing-comma-multiple.case 3 // - src/function-forms/default/cls-decl-gen-meth-static.template 4 /*--- 5 description: A trailing comma should not increase the respective length, using multiple parameters (static class expression generator method) 6 esid: sec-runtime-semantics-bindingclassdeclarationevaluation 7 features: [generators] 8 flags: [generated] 9 info: | 10 ClassDeclaration : class BindingIdentifier ClassTail 11 12 1. Let className be StringValue of BindingIdentifier. 13 2. Let value be the result of ClassDefinitionEvaluation of ClassTail with 14 argument className. 15 [...] 16 17 14.5.14 Runtime Semantics: ClassDefinitionEvaluation 18 19 21. For each ClassElement m in order from methods 20 a. If IsStatic of m is false, then 21 b. Else, 22 Let status be the result of performing PropertyDefinitionEvaluation for 23 m with arguments F and false. 24 [...] 25 26 14.4.13 Runtime Semantics: PropertyDefinitionEvaluation 27 28 GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody } 29 30 1. Let propKey be the result of evaluating PropertyName. 31 2. ReturnIfAbrupt(propKey). 32 3. If the function code for this GeneratorMethod is strict mode code, 33 let strict be true. Otherwise let strict be false. 34 4. Let scope be the running execution context's LexicalEnvironment. 35 5. Let closure be GeneratorFunctionCreate(Method, 36 StrictFormalParameters, GeneratorBody, scope, strict). 37 38 9.2.1 [[Call]] ( thisArgument, argumentsList) 39 40 [...] 41 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). 42 [...] 43 44 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) 45 46 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). 47 [...] 48 49 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) 50 51 [...] 52 23. Let iteratorRecord be Record {[[iterator]]: 53 CreateListIterator(argumentsList), [[done]]: false}. 54 24. If hasDuplicates is true, then 55 [...] 56 25. Else, 57 b. Let formalStatus be IteratorBindingInitialization for formals with 58 iteratorRecord and env as arguments. 59 [...] 60 61 62 Trailing comma in the parameters list 63 64 14.1 Function Definitions 65 66 FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] , 67 ---*/ 68 69 var callCount = 0; 70 class C { 71 static *method(a, b,) { 72 assert.sameValue(a, 42); 73 assert.sameValue(b, 39); 74 callCount = callCount + 1; 75 } 76 } 77 78 C.method(42, 39, 1).next(); 79 80 // Stores a reference `ref` for case evaluation 81 var ref = C.method; 82 83 assert.sameValue(callCount, 1, 'method invoked exactly once'); 84 85 assert.sameValue(ref.length, 2, 'length is properly set'); 86 87 reportCompare(0, 0);