// This file was procedurally generated from the following sources: // - src/dstr-binding/obj-ptrn-id-init-throws.case // - src/dstr-binding/error/async-gen-func-expr-dflt.template /*--- description: Error thrown when evaluating the initializer (async generator function expression (default parameter)) esid: sec-asyncgenerator-definitions-evaluation features: [async-iteration] flags: [generated] info: | AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) { AsyncGeneratorBody } [...] 3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody, scope, strict). [...] 13.3.3.7 Runtime Semantics: KeyedBindingInitialization SingleNameBinding : BindingIdentifier Initializeropt [...] 6. If Initializer is present and v is undefined, then a. Let defaultValue be the result of evaluating Initializer. b. Let v be GetValue(defaultValue). c. ReturnIfAbrupt(v). ---*/ function thrower() { throw new Test262Error(); } var f = async function*({ x = thrower() } = {}) { }; assert.throws(Test262Error, function() { f(); });