| // This file was procedurally generated from the following sources: |
| // - src/dstr-binding/ary-ptrn-elem-id-iter-step-err.case |
| // - src/dstr-binding/error/async-gen-func-named-expr.template |
| /*--- |
| description: Error forwarding when IteratorStep returns an abrupt completion (async generator named function expression) |
| esid: sec-asyncgenerator-definitions-evaluation |
| features: [Symbol.iterator, async-iteration] |
| flags: [generated] |
| info: | |
| AsyncGeneratorExpression : async [no LineTerminator here] function * BindingIdentifier |
| ( FormalParameters ) { AsyncGeneratorBody } |
| |
| [...] |
| 7. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, |
| AsyncGeneratorBody, funcEnv, strict). |
| [...] |
| |
| 13.3.3.6 Runtime Semantics: IteratorBindingInitialization |
| |
| SingleNameBinding : BindingIdentifier Initializeropt |
| |
| [...] |
| 4. If iteratorRecord.[[done]] is false, then |
| a. Let next be IteratorStep(iteratorRecord.[[iterator]]). |
| b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. |
| c. ReturnIfAbrupt(next). |
| |
| ---*/ |
| var g = {}; |
| g[Symbol.iterator] = function() { |
| return { |
| next: function() { |
| throw new Test262Error(); |
| } |
| }; |
| }; |
| |
| |
| var f; |
| f = async function* g([x]) { |
| |
| }; |
| |
| assert.throws(Test262Error, function() { |
| f(g); |
| }); |