ary-ptrn-rest-not-final-obj.js (1287B)
1 // |reftest| error:SyntaxError 2 // This file was procedurally generated from the following sources: 3 // - src/dstr-binding/ary-ptrn-rest-not-final-obj.case 4 // - src/dstr-binding/default/async-gen-func-decl.template 5 /*--- 6 description: Rest element (object binding pattern) may not be followed by any element (async generator function declaration) 7 esid: sec-asyncgenerator-definitions-instantiatefunctionobject 8 features: [async-iteration] 9 flags: [generated] 10 negative: 11 phase: parse 12 type: SyntaxError 13 info: | 14 AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier 15 ( FormalParameters ) { AsyncGeneratorBody } 16 17 [...] 18 3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody, 19 scope, 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 $DONOTEVALUATE(); 30 31 32 var callCount = 0; 33 async function* f([...{ x }, y]) { 34 35 callCount = callCount + 1; 36 }; 37 f([1, 2, 3]).next().then(() => { 38 assert.sameValue(callCount, 1, 'invoked exactly once'); 39 }).then($DONE, $DONE);