test262/test/language/statements/for-of/dstr-var-ary-ptrn-elision-i...

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2017-05-15 21:25:33 +02:00
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elision-iter-close.case
// - src/dstr-binding/iter-close/for-of-var.template
/*---
description: The iterator is properly consumed by the destructuring pattern (for-of statement)
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
es6id: 13.7.5.11
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var ForBinding of AssignmentExpression ) Statement
[...]
3. Return ForIn/OfBodyEvaluation(ForBinding, Statement, keyResult,
varBinding, labelSet).
13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
[...]
3. Let destructuring be IsDestructuring of lhs.
[...]
5. Repeat
[...]
h. If destructuring is false, then
[...]
i. 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.
[...]
---*/
const iter = (function* () {
yield;
yield;
})();
function fn() {
for (var [,] of [iter]) {
return;
}
}
fn();
assert.sameValue(iter.next().done, true, 'iteration occurred as expected');