blob: 364beb8c328779e608b8a9d43a66c0ae8c998d94 [file] [log] [blame]
// This file was procedurally generated from the following sources:
// - src/dstr-binding-for-await/ary-ptrn-rest-not-final-id.case
// - src/dstr-binding-for-await/default/for-await-of-async-gen-var.template
/*---
description: Rest element (identifier) may not be followed by any element (for-await-of statement)
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
features: [destructuring-binding, async-iteration]
flags: [generated, async]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for await ( var ForBinding of AssignmentExpression ) Statement
[...]
2. Return ? ForIn/OfBodyEvaluation(ForBinding, Statement, keyResult,
varBinding, labelSet, async).
13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
[...]
4. Let destructuring be IsDestructuring of lhs.
[...]
6. Repeat
[...]
j. If destructuring is false, then
[...]
k. Else
i. If lhsKind is assignment, then
[...]
ii. Else if lhsKind is varBinding, then
1. Assert: lhs is a ForBinding.
2. Let status be the result of performing BindingInitialization
for lhs passing nextValue and undefined as the arguments.
[...]
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
---*/
$DONOTEVALUATE();
var iterCount = 0;
async function *fn() {
for await (var [...x, y] of [[1, 2, 3]]) {
iterCount += 1;
}
}
fn().next()
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
.then($DONE, $DONE);