named-dflt-ary-init-iter-get-err.js (1124B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/ary-init-iter-get-err.case 3 // - src/dstr-binding/error/async-gen-func-named-expr-dflt.template 4 /*--- 5 description: Abrupt completion returned by GetIterator (async generator named function expression (default parameter)) 6 esid: sec-asyncgenerator-definitions-evaluation 7 features: [Symbol.iterator, async-iteration] 8 flags: [generated] 9 info: | 10 AsyncGeneratorExpression : async [no LineTerminator here] function * BindingIdentifier 11 ( FormalParameters ) { AsyncGeneratorBody } 12 13 [...] 14 7. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, 15 AsyncGeneratorBody, funcEnv, strict). 16 [...] 17 18 13.3.3.5 Runtime Semantics: BindingInitialization 19 20 BindingPattern : ArrayBindingPattern 21 22 1. Let iterator be GetIterator(value). 23 2. ReturnIfAbrupt(iterator). 24 25 ---*/ 26 var iter = {}; 27 iter[Symbol.iterator] = function() { 28 throw new Test262Error(); 29 }; 30 31 32 var f; 33 f = async function* h([x] = iter) { 34 35 }; 36 37 assert.throws(Test262Error, function() { 38 f(); 39 }); 40 41 reportCompare(0, 0);