// This file was procedurally generated from the following sources: // - src/function-forms/dflt-params-arg-val-not-undefined.case // - src/function-forms/default/func-decl.template /*--- description: Use of initializer when argument value is not `undefined` (function declaration) esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject features: [default-parameters] 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. [...] 14.1.19 Runtime Semantics: IteratorBindingInitialization FormalsList : FormalsList , FormalParameter [...] 23. Let iteratorRecord be Record {[[Iterator]]: CreateListIterator(argumentsList), [[Done]]: false}. 24. If hasDuplicates is true, then [...] 25. Else, a. Perform ? IteratorBindingInitialization for formals with iteratorRecord and env as arguments. [...] ---*/ var obj = {}; var falseCount = 0; var stringCount = 0; var nanCount = 0; var zeroCount = 0; var nullCount = 0; var objCount = 0; var callCount = 0; // Stores a reference `ref` for case evaluation function ref(aFalse = falseCount +=1, aString = stringCount += 1, aNaN = nanCount += 1, a0 = zeroCount += 1, aNull = nullCount += 1, aObj = objCount +=1) { assert.sameValue(aFalse, false); assert.sameValue(aString, ''); assert.sameValue(aNaN, NaN); assert.sameValue(a0, 0); assert.sameValue(aNull, null); assert.sameValue(aObj, obj); callCount = callCount + 1; } ref(false, '', NaN, 0, null, obj); assert.sameValue(callCount, 1, 'function invoked exactly once'); assert.sameValue(falseCount, 0, 'initializer not evaluated: false'); assert.sameValue(stringCount, 0, 'initializer not evaluated: string'); assert.sameValue(nanCount, 0, 'initializer not evaluated: NaN'); assert.sameValue(zeroCount, 0, 'initializer not evaluated: 0'); assert.sameValue(nullCount, 0, 'initializer not evaluated: null'); assert.sameValue(objCount, 0, 'initializer not evaluated: object'); reportCompare(0, 0);