mirror of https://github.com/tc39/test262.git
46 lines
1.4 KiB
JavaScript
46 lines
1.4 KiB
JavaScript
// This file was procedurally generated from the following sources:
|
|
// - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case
|
|
// - src/dstr-binding/error/async-gen-func-decl-dflt.template
|
|
/*---
|
|
description: Nested object destructuring with a value of `undefined` (async generator function declaration (default parameter))
|
|
esid: sec-asyncgenerator-definitions-instantiatefunctionobject
|
|
features: [async-iteration]
|
|
flags: [generated]
|
|
info: |
|
|
AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier
|
|
( FormalParameters ) { AsyncGeneratorBody }
|
|
|
|
[...]
|
|
3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody,
|
|
scope, strict).
|
|
[...]
|
|
|
|
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
|
|
|
BindingElement : BindingPattern Initializeropt
|
|
|
|
1. If iteratorRecord.[[done]] is false, then
|
|
[...]
|
|
e. Else
|
|
i. Let v be IteratorValue(next).
|
|
[...]
|
|
4. Return the result of performing BindingInitialization of BindingPattern
|
|
with v and environment as the arguments.
|
|
|
|
13.3.3.5 Runtime Semantics: BindingInitialization
|
|
|
|
BindingPattern : ObjectBindingPattern
|
|
|
|
1. Let valid be RequireObjectCoercible(value).
|
|
2. ReturnIfAbrupt(valid).
|
|
---*/
|
|
|
|
|
|
async function* f([{ x }] = []) {
|
|
|
|
};
|
|
|
|
assert.throws(TypeError, function() {
|
|
f();
|
|
});
|