obj-ptrn-rest-val-obj.js (1300B)
1 // |reftest| async 2 // This file was procedurally generated from the following sources: 3 // - src/dstr-binding/obj-ptrn-rest-val-obj.case 4 // - src/dstr-binding/default/async-gen-func-decl.template 5 /*--- 6 description: Rest object contains just unextracted data (async generator function declaration) 7 esid: sec-asyncgenerator-definitions-instantiatefunctionobject 8 features: [object-rest, async-iteration] 9 flags: [generated, async] 10 includes: [propertyHelper.js] 11 info: | 12 AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier 13 ( FormalParameters ) { AsyncGeneratorBody } 14 15 [...] 16 3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody, 17 scope, strict). 18 [...] 19 20 ---*/ 21 22 23 var callCount = 0; 24 async function* f({a, b, ...rest}) { 25 assert.sameValue(rest.a, undefined); 26 assert.sameValue(rest.b, undefined); 27 28 verifyProperty(rest, "x", { 29 enumerable: true, 30 writable: true, 31 configurable: true, 32 value: 1 33 }); 34 35 verifyProperty(rest, "y", { 36 enumerable: true, 37 writable: true, 38 configurable: true, 39 value: 2 40 }); 41 callCount = callCount + 1; 42 }; 43 f({x: 1, y: 2, a: 5, b: 3}).next().then(() => { 44 assert.sameValue(callCount, 1, 'invoked exactly once'); 45 }).then($DONE, $DONE);