// This file was procedurally generated from the following sources: // - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case // - src/dstr-binding/default/gen-func-decl.template /*--- description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (generator function declaration) esid: sec-generator-function-definitions-runtime-semantics-instantiatefunctionobject features: [generators, destructuring-binding] flags: [generated] info: | GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody } [...] 2. Let F be GeneratorFunctionCreate(Normal, FormalParameters, GeneratorBody, 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. [...] 13.3.3.7 Runtime Semantics: KeyedBindingInitialization SingleNameBinding : BindingIdentifier Initializeropt [...] 6. If Initializer is present and v is undefined, then [...] d. If IsAnonymousFunctionDefinition(Initializer) is true, then i. Let hasNameProperty be HasOwnProperty(v, "name"). ii. ReturnIfAbrupt(hasNameProperty). iii. If hasNameProperty is false, perform SetFunctionName(v, bindingId). ---*/ var callCount = 0; function* f({ cover = (function () {}), xCover = (0, function() {}) }) { assert.sameValue(cover.name, 'cover'); assert.notSameValue(xCover.name, 'xCover'); callCount = callCount + 1; }; f({}).next(); assert.sameValue(callCount, 1, 'generator function invoked exactly once'); reportCompare(0, 0);