named-dflt-obj-init-undefined.js (1002B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/obj-init-undefined.case 3 // - src/dstr-binding/error/async-gen-func-named-expr-dflt.template 4 /*--- 5 description: Value specifed for object binding pattern must be object coercible (undefined) (async generator named function expression (default parameter)) 6 esid: sec-asyncgenerator-definitions-evaluation 7 features: [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 Runtime Semantics: BindingInitialization 19 20 ObjectBindingPattern : { } 21 22 1. Return NormalCompletion(empty). 23 ---*/ 24 25 26 var f; 27 f = async function* h({} = undefined) { 28 29 }; 30 31 assert.throws(TypeError, function() { 32 f(); 33 }); 34 35 reportCompare(0, 0);