named-dflt-ary-ptrn-rest-init-obj.js (1312B)
1 // |reftest| error:SyntaxError 2 // This file was procedurally generated from the following sources: 3 // - src/dstr-binding/ary-ptrn-rest-init-obj.case 4 // - src/dstr-binding/default/async-gen-func-named-expr-dflt.template 5 /*--- 6 description: Rest element (nested object pattern) does not support initializer (async generator named function expression (default parameter)) 7 esid: sec-asyncgenerator-definitions-evaluation 8 features: [async-iteration] 9 flags: [generated] 10 negative: 11 phase: parse 12 type: SyntaxError 13 info: | 14 AsyncGeneratorExpression : async [no LineTerminator here] function * BindingIdentifier 15 ( FormalParameters ) { AsyncGeneratorBody } 16 17 [...] 18 7. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, 19 AsyncGeneratorBody, funcEnv, strict). 20 [...] 21 22 23 13.3.3 Destructuring Binding Patterns 24 ArrayBindingPattern[Yield] : 25 [ Elisionopt BindingRestElement[?Yield]opt ] 26 [ BindingElementList[?Yield] ] 27 [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ] 28 ---*/ 29 $DONOTEVALUATE(); 30 31 32 var callCount = 0; 33 var f; 34 f = async function* h([...{ x } = []] = []) { 35 36 callCount = callCount + 1; 37 }; 38 39 f().next().then(() => { 40 assert.sameValue(callCount, 1, 'invoked exactly once'); 41 }).then($DONE, $DONE);