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sdk/tests/language/loop/for_in_side_effects_test.dart
T
Robert Nystrom 3218ba8412 Migrate language_2/loop to NNBD.
Change-Id: Id8fee2221036b8dca12675ba3e4fc1c0ab7a09b7
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149393
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Srujan Gaddam <srujzs@google.com>
Commit-Queue: Bob Nystrom <rnystrom@google.com>
2020-05-29 23:48:57 +00:00

30 lines
645 B
Dart

// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// Regression test for dart2js that used to not see side effects of
// iterator calls made in a "for in".
import "package:expect/expect.dart";
var global = 42;
var array = [new A()];
class A extends Iterable<A> {
Iterator<A> get iterator {
global = 54;
return [this].iterator;
}
moveNext() => false;
bar(a) {
for (var a in this) {}
}
}
main() {
array[0].bar(global);
Expect.equals(54, global);
}