blob: f1877389356c072ee26e8f5c8b7f0ce8ba733c17 [file] [log] [blame]
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
// - src/dstr-binding/default/async-gen-func-decl-dflt.template
/*---
description: SingleNameBinding when value iteration was completed previously (async generator function declaration (default parameter))
esid: sec-asyncgenerator-definitions-instantiatefunctionobject
features: [async-iteration]
flags: [generated, async]
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
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
[...]
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
async function* f([_, x] = []) {
assert.sameValue(x, undefined);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);