async-gen-meth-obj-ptrn-empty.js (1496B)
1 // |reftest| async 2 // This file was procedurally generated from the following sources: 3 // - src/dstr-binding/obj-ptrn-empty.case 4 // - src/dstr-binding/default/async-gen-meth.template 5 /*--- 6 description: No property access occurs for an "empty" object binding pattern (async generator method) 7 esid: sec-asyncgenerator-definitions-propertydefinitionevaluation 8 features: [async-iteration] 9 flags: [generated, async] 10 info: | 11 AsyncGeneratorMethod : 12 async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) 13 { AsyncGeneratorBody } 14 15 1. Let propKey be the result of evaluating PropertyName. 16 2. ReturnIfAbrupt(propKey). 17 3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true. 18 Otherwise let strict be false. 19 4. Let scope be the running execution context's LexicalEnvironment. 20 5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters, 21 AsyncGeneratorBody, scope, strict). 22 [...] 23 24 25 Runtime Semantics: BindingInitialization 26 27 ObjectBindingPattern : { } 28 29 1. Return NormalCompletion(empty). 30 ---*/ 31 var accessCount = 0; 32 var obj = Object.defineProperty({}, 'attr', { 33 get: function() { 34 accessCount += 1; 35 } 36 }); 37 38 39 var callCount = 0; 40 var obj = { 41 async *method({}) { 42 assert.sameValue(accessCount, 0); 43 callCount = callCount + 1; 44 } 45 }; 46 47 obj.method(obj).next().then(() => { 48 assert.sameValue(callCount, 1, 'invoked exactly once'); 49 }).then($DONE, $DONE);