ary-ptrn-elem-id-init-throws.js (1191B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/ary-ptrn-elem-id-init-throws.case 3 // - src/dstr-binding/error/async-gen-func-expr.template 4 /*--- 5 description: Destructuring initializer returns an abrupt completion (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 13.3.3.6 Runtime Semantics: IteratorBindingInitialization 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 29 30 var f; 31 f = async function*([x = (function() { throw new Test262Error(); })()]) { 32 33 }; 34 35 assert.throws(Test262Error, function() { 36 f([undefined]); 37 }); 38 39 reportCompare(0, 0);