named-dflt-obj-ptrn-rest-skip-non-enumerable.js (1383B)
1 // |reftest| async 2 // This file was procedurally generated from the following sources: 3 // - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case 4 // - src/dstr-binding/default/async-gen-func-named-expr-dflt.template 5 /*--- 6 description: Rest object doesn't contain non-enumerable properties (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 o = {a: 3, b: 4}; 22 Object.defineProperty(o, "x", { value: 4, enumerable: false }); 23 24 25 var callCount = 0; 26 var f; 27 f = async function* h({...rest} = o) { 28 assert.sameValue(rest.x, undefined); 29 30 verifyProperty(rest, "a", { 31 enumerable: true, 32 writable: true, 33 configurable: true, 34 value: 3 35 }); 36 37 verifyProperty(rest, "b", { 38 enumerable: true, 39 writable: true, 40 configurable: true, 41 value: 4 42 }); 43 callCount = callCount + 1; 44 }; 45 46 f().next().then(() => { 47 assert.sameValue(callCount, 1, 'invoked exactly once'); 48 }).then($DONE, $DONE);