obj-ptrn-id-init-throws.js (1183B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/obj-ptrn-id-init-throws.case 3 // - src/dstr-binding/error/async-gen-func-expr.template 4 /*--- 5 description: Error thrown when evaluating the initializer (async generator function expression) 6 esid: sec-asyncgenerator-definitions-evaluation 7 features: [async-iteration] 8 flags: [generated] 9 info: | 10 AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) { 11 AsyncGeneratorBody } 12 13 [...] 14 3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, 15 AsyncGeneratorBody, scope, strict). 16 [...] 17 18 13.3.3.7 Runtime Semantics: KeyedBindingInitialization 19 20 SingleNameBinding : BindingIdentifier Initializeropt 21 22 [...] 23 6. If Initializer is present and v is undefined, then 24 a. Let defaultValue be the result of evaluating Initializer. 25 b. Let v be GetValue(defaultValue). 26 c. ReturnIfAbrupt(v). 27 ---*/ 28 function thrower() { 29 throw new Test262Error(); 30 } 31 32 33 var f; 34 f = async function*({ x = thrower() }) { 35 36 }; 37 38 assert.throws(Test262Error, function() { 39 f({}); 40 }); 41 42 reportCompare(0, 0);