mirror of https://github.com/tc39/test262.git
42 lines
1.4 KiB
JavaScript
42 lines
1.4 KiB
JavaScript
// This file was procedurally generated from the following sources:
|
|
// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
|
|
// - src/dstr-binding/default/async-gen-func-decl.template
|
|
/*---
|
|
description: SingleNameBinding assigns `name` to arrow functions (async generator function declaration)
|
|
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
|
|
|
|
[...]
|
|
6. If Initializer is present and v is undefined, then
|
|
[...]
|
|
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
|
|
i. Let hasNameProperty be HasOwnProperty(v, "name").
|
|
ii. ReturnIfAbrupt(hasNameProperty).
|
|
iii. If hasNameProperty is false, perform SetFunctionName(v,
|
|
bindingId).
|
|
---*/
|
|
|
|
|
|
var callCount = 0;
|
|
async function* f({ arrow = () => {} }) {
|
|
assert.sameValue(arrow.name, 'arrow');
|
|
callCount = callCount + 1;
|
|
};
|
|
f({}).next().then(() => {
|
|
assert.sameValue(callCount, 1, 'invoked exactly once');
|
|
}).then($DONE, $DONE);
|