obj-ptrn-rest-skip-non-enumerable.js (1341B)
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-decl.template 5 /*--- 6 description: Rest object doesn't contain non-enumerable properties (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 var o = {a: 3, b: 4}; 22 Object.defineProperty(o, "x", { value: 4, enumerable: false }); 23 24 25 var callCount = 0; 26 async function* f({...rest}) { 27 assert.sameValue(rest.x, undefined); 28 29 verifyProperty(rest, "a", { 30 enumerable: true, 31 writable: true, 32 configurable: true, 33 value: 3 34 }); 35 36 verifyProperty(rest, "b", { 37 enumerable: true, 38 writable: true, 39 configurable: true, 40 value: 4 41 }); 42 callCount = callCount + 1; 43 }; 44 f(o).next().then(() => { 45 assert.sameValue(callCount, 1, 'invoked exactly once'); 46 }).then($DONE, $DONE);