blob: 7b0fb4a8f42a1de050f41b6f4e509b959f156593 [file] [log] [blame]
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-name-iter-val.case
// - src/dstr-binding/default/async-gen-func-decl.template
/*---
description: SingleNameBinding with normal value iteration (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).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set
iteratorRecord.[[done]] to true.
iii. ReturnIfAbrupt(v).
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
async function* f([x, y, z]) {
assert.sameValue(x, 1);
assert.sameValue(y, 2);
assert.sameValue(z, 3);
callCount = callCount + 1;
};
f([1, 2, 3]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);