mirror of
https://github.com/dart-lang/sdk
synced 2024-09-18 20:21:21 +00:00
b5caf1f5a0
Simple block, no real changes. BUG= R=rnystrom@google.com Review-Url: https://codereview.chromium.org/2987773002 .
37 lines
897 B
Dart
37 lines
897 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.
|
|
|
|
import "package:expect/expect.dart";
|
|
import "dart:collection";
|
|
|
|
void main() {
|
|
Set s = new HashSet();
|
|
s.add(1);
|
|
Expect.equals("{1}", s.toString());
|
|
s.remove(1);
|
|
s.add(s);
|
|
Expect.equals("{{...}}", s.toString());
|
|
|
|
Queue q = new ListQueue(4);
|
|
q.add(1);
|
|
q.add(2);
|
|
q.add(q);
|
|
q.add(s);
|
|
|
|
Expect.equals("{1, 2, {...}, {{...}}}", q.toString());
|
|
|
|
// Throwing in the middle of a toString does not leave the
|
|
// set as being visited
|
|
q.addLast(new ThrowOnToString());
|
|
Expect.throws(q.toString, (e) => e == "Bad!");
|
|
q.removeLast();
|
|
Expect.equals("{1, 2, {...}, {{...}}}", q.toString());
|
|
}
|
|
|
|
class ThrowOnToString {
|
|
String toString() {
|
|
throw "Bad!";
|
|
}
|
|
}
|