async-meth-params-trailing-comma-single.js (1078B)
1 // |reftest| async 2 // This file was procedurally generated from the following sources: 3 // - src/function-forms/params-trailing-comma-single.case 4 // - src/function-forms/default/async-meth.template 5 /*--- 6 description: A trailing comma should not increase the respective length, using a single parameter (async method) 7 esid: sec-async-function-definitions 8 features: [async-functions] 9 flags: [generated, async] 10 info: | 11 14.6 Async Function Definitions 12 13 AsyncMethod : 14 async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody } 15 16 17 Trailing comma in the parameters list 18 19 14.1 Function Definitions 20 21 FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] , 22 ---*/ 23 24 25 var callCount = 0; 26 var __obj = { 27 async method(a,) { 28 assert.sameValue(a, 42); 29 callCount = callCount + 1; 30 } 31 }; 32 33 // Stores a reference `ref` for case evaluation 34 var ref = __obj.method; 35 36 ref(42, 39).then(() => { 37 assert.sameValue(callCount, 1, 'async method invoked exactly once'); 38 }).then($DONE, $DONE); 39 40 assert.sameValue(ref.length, 1, 'length is properly set');