named-obj-ptrn-prop-ary-trailing-comma.js (1166B)
1 // |reftest| async 2 // This file was procedurally generated from the following sources: 3 // - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case 4 // - src/dstr-binding/default/async-gen-func-named-expr.template 5 /*--- 6 description: Trailing comma is allowed following BindingPropertyList (async generator named function expression) 7 esid: sec-asyncgenerator-definitions-evaluation 8 features: [async-iteration] 9 flags: [generated, async] 10 info: | 11 AsyncGeneratorExpression : async [no LineTerminator here] function * BindingIdentifier 12 ( FormalParameters ) { AsyncGeneratorBody } 13 14 [...] 15 7. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, 16 AsyncGeneratorBody, funcEnv, strict). 17 [...] 18 19 20 13.3.3 Destructuring Binding Patterns 21 22 ObjectBindingPattern[Yield] : 23 { } 24 { BindingPropertyList[?Yield] } 25 { BindingPropertyList[?Yield] , } 26 ---*/ 27 28 29 var callCount = 0; 30 var f; 31 f = async function* h({ x: [y], }) { 32 assert.sameValue(y,45); 33 callCount = callCount + 1; 34 }; 35 36 f({ x: [45] }).next().then(() => { 37 assert.sameValue(callCount, 1, 'invoked exactly once'); 38 }).then($DONE, $DONE);