named-dflt-obj-ptrn-rest-getter.js (1213B)
1 // |reftest| async 2 // This file was procedurally generated from the following sources: 3 // - src/dstr-binding/obj-ptrn-rest-getter.case 4 // - src/dstr-binding/default/async-gen-func-named-expr-dflt.template 5 /*--- 6 description: Getter is called when obj is being deconstructed to a rest Object (async generator named function expression (default parameter)) 7 esid: sec-asyncgenerator-definitions-evaluation 8 features: [object-rest, async-iteration] 9 flags: [generated, async] 10 includes: [propertyHelper.js] 11 info: | 12 AsyncGeneratorExpression : async [no LineTerminator here] function * BindingIdentifier 13 ( FormalParameters ) { AsyncGeneratorBody } 14 15 [...] 16 7. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, 17 AsyncGeneratorBody, funcEnv, strict). 18 [...] 19 20 ---*/ 21 var count = 0; 22 23 24 var callCount = 0; 25 var f; 26 f = async function* h({...x} = { get v() { count++; return 2; } }) { 27 assert.sameValue(count, 1); 28 29 verifyProperty(x, "v", { 30 enumerable: true, 31 writable: true, 32 configurable: true, 33 value: 2 34 }); 35 callCount = callCount + 1; 36 }; 37 38 f().next().then(() => { 39 assert.sameValue(callCount, 1, 'invoked exactly once'); 40 }).then($DONE, $DONE);