blob: 7aac48f20542439bc7d081ec21b970a127c23157 [file] [log] [blame]
// This file was procedurally generated from the following sources:
// - src/dstr-binding-for-await/obj-ptrn-prop-ary-trailing-comma.case
// - src/dstr-binding-for-await/default/for-await-of-async-func-var.template
/*---
description: Trailing comma is allowed following BindingPropertyList (for-await-of statement)
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
features: [destructuring-binding, async-iteration]
flags: [generated, async]
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
ObjectBindingPattern[Yield] :
{ }
{ BindingPropertyList[?Yield] }
{ BindingPropertyList[?Yield] , }
---*/
var iterCount = 0;
async function fn() {
for await (var { x: [y], } of [{ x: [45] }]) {
assert.sameValue(y,45);
iterCount += 1;
}
}
fn()
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
.then($DONE, $DONE);