async-gen-meth-dflt-obj-ptrn-list-err.js (1587B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/obj-ptrn-list-err.case 3 // - src/dstr-binding/error/async-gen-method-dflt.template 4 /*--- 5 description: Binding property list evaluation is interrupted by an abrupt completion (async generator method (default parameter)) 6 esid: sec-asyncgenerator-definitions-propertydefinitionevaluation 7 features: [async-iteration] 8 flags: [generated] 9 info: | 10 AsyncGeneratorMethod : 11 async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) 12 { AsyncGeneratorBody } 13 14 1. Let propKey be the result of evaluating PropertyName. 15 2. ReturnIfAbrupt(propKey). 16 3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true. 17 Otherwise let strict be false. 18 4. Let scope be the running execution context's LexicalEnvironment. 19 5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters, 20 AsyncGeneratorBody, scope, strict). 21 [...] 22 23 13.3.3.5 Runtime Semantics: BindingInitialization 24 25 BindingPropertyList : BindingPropertyList , BindingProperty 26 27 1. Let status be the result of performing BindingInitialization for 28 BindingPropertyList using value and environment as arguments. 29 2. ReturnIfAbrupt(status). 30 ---*/ 31 var initCount = 0; 32 function thrower() { 33 throw new Test262Error(); 34 } 35 36 37 var obj = { 38 async *method({ a, b = thrower(), c = ++initCount } = {}) { 39 40 } 41 }; 42 43 assert.throws(Test262Error, function() { 44 obj.method(); 45 }); 46 47 assert.sameValue(initCount, 0); 48 49 reportCompare(0, 0);