// This file was procedurally generated from the following sources: // - src/function-forms/dflt-params-trailing-comma.case // - src/function-forms/default/func-decl.template /*--- description: A trailing comma should not increase the respective length, using default parameters (function declaration) esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject flags: [generated] info: | FunctionDeclaration : function BindingIdentifier ( FormalParameters ) { FunctionBody } [...] 3. Let F be FunctionCreate(Normal, FormalParameters, FunctionBody, scope, strict). [...] 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. [...] Trailing comma in the parameters list 14.1 Function Definitions FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] , ---*/ var callCount = 0; // Stores a reference `ref` for case evaluation function ref(a, b = 39,) { assert.sameValue(a, 42); assert.sameValue(b, 39); callCount = callCount + 1; } ref(42, undefined, 1); assert.sameValue(callCount, 1, 'function invoked exactly once'); assert.sameValue(ref.length, 1, 'length is properly set'); reportCompare(0, 0);