mirror of https://github.com/tc39/test262.git
39 lines
1.2 KiB
JavaScript
39 lines
1.2 KiB
JavaScript
// This file was procedurally generated from the following sources:
|
|
// - src/dstr-binding/obj-ptrn-prop-id.case
|
|
// - src/dstr-binding/default/async-gen-func-decl-dflt.template
|
|
/*---
|
|
description: Binding as specified via property name and identifier (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).
|
|
[...]
|
|
|
|
|
|
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
|
|
|
|
SingleNameBinding : BindingIdentifier Initializeropt
|
|
|
|
[...]
|
|
8. Return InitializeReferencedBinding(lhs, v).
|
|
---*/
|
|
|
|
|
|
var callCount = 0;
|
|
async function* f({ x: y } = { x: 23 }) {
|
|
assert.sameValue(y, 23);
|
|
assert.throws(ReferenceError, function() {
|
|
x;
|
|
});
|
|
callCount = callCount + 1;
|
|
};
|
|
f().next().then(() => {
|
|
assert.sameValue(callCount, 1, 'invoked exactly once');
|
|
}).then($DONE, $DONE);
|