async-gen-meth-dflt-obj-ptrn-prop-id-get-value-err.js (1580B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case 3 // - src/dstr-binding/error/async-gen-method-dflt.template 4 /*--- 5 description: Error thrown when accessing the corresponding property of the value object (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 13.3.3.7 Runtime Semantics: KeyedBindingInitialization 24 25 BindingElement : BindingPattern Initializeropt 26 27 1. Let v be GetV(value, propertyName). 28 2. ReturnIfAbrupt(v). 29 ---*/ 30 var initEvalCount = 0; 31 var poisonedProperty = Object.defineProperty({}, 'poisoned', { 32 get: function() { 33 throw new Test262Error(); 34 } 35 }); 36 37 38 var obj = { 39 async *method({ poisoned: x = ++initEvalCount } = poisonedProperty) { 40 41 } 42 }; 43 44 assert.throws(Test262Error, function() { 45 obj.method(); 46 }); 47 48 assert.sameValue(initEvalCount, 0); 49 50 reportCompare(0, 0);