blob: 91753159472aced500e546e9fa6effff4e55a738 [file] [log] [blame]
// Copyright (c) 2017, 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.
/// @assertion void forEach(void action(K key, V value))
/// Applies [f] to each key-value pair of the map.
/// @description Checks that an exception thrown by the argument
/// function breaks iteration and is passed through to the caller.
/// @author iarkh@unipro.ru
import "dart:collection";
import "../../../Utils/expect.dart";
import "unmodifiablemapbase.lib.dart";
main() {
UnmodifiableMapBase base =
new UnmodifiableMapBaseImpl({"1" : 3, "2" : 5, "3" : 8});
int count = 0;
try {
base.forEach((var key, Object? value) {
if (count++ > 0) throw "stop";
});
Expect.fail("Exception expected");
} on String catch(e) {}
Expect.isTrue(count == 2);
}