// This file was procedurally generated from the following sources: // - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case // - src/dstr-binding/error/async-gen-method-dflt.template /*--- description: Nested object destructuring with a value of `undefined` (async generator method (default parameter)) esid: sec-asyncgenerator-definitions-propertydefinitionevaluation features: [async-iteration] flags: [generated] info: | AsyncGeneratorMethod : async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody } 1. Let propKey be the result of evaluating PropertyName. 2. ReturnIfAbrupt(propKey). 3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true. Otherwise let strict be false. 4. Let scope be the running execution context's LexicalEnvironment. 5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters, AsyncGeneratorBody, scope, strict). [...] 13.3.3.6 Runtime Semantics: IteratorBindingInitialization BindingElement : BindingPattern Initializeropt 1. If iteratorRecord.[[done]] is false, then [...] e. Else i. Let v be IteratorValue(next). [...] 4. Return the result of performing BindingInitialization of BindingPattern with v and environment as the arguments. 13.3.3.5 Runtime Semantics: BindingInitialization BindingPattern : ObjectBindingPattern 1. Let valid be RequireObjectCoercible(value). 2. ReturnIfAbrupt(valid). ---*/ var obj = { async *method([{ x }] = []) { } }; assert.throws(TypeError, function() { obj.method(); }); reportCompare(0, 0);