async-gen-meth-obj-ptrn-prop-id-init-throws.js (1500B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/obj-ptrn-prop-id-init-throws.case 3 // - src/dstr-binding/error/async-gen-meth.template 4 /*--- 5 description: Error thrown when evaluating the initializer (async generator method) 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 13.3.3.7 Runtime Semantics: KeyedBindingInitialization 24 25 BindingElement : BindingPattern Initializeropt 26 27 [...] 28 3. If Initializer is present and v is undefined, then 29 a. Let defaultValue be the result of evaluating Initializer. 30 b. Let v be GetValue(defaultValue). 31 c. ReturnIfAbrupt(v). 32 ---*/ 33 function thrower() { 34 throw new Test262Error(); 35 } 36 37 38 var obj = { 39 async *method({ x: y = thrower() }) { 40 41 } 42 }; 43 44 assert.throws(Test262Error, function() { 45 obj.method({}); 46 }); 47 48 reportCompare(0, 0);