blob: d46e9d542ddcb25a49437ee8a6f19e2f6c285cfb [file] [log] [blame]
// 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";
main() {
List list = [1, 2];
list.add(list);
List list2 = new List(4);
list2[0] = 1;
list2[1] = 2;
list2[2] = list2;
list2[3] = list;
Expect.equals("[1, 2, [...]]", list.toString());
Expect.equals("[1, 2, [...], [1, 2, [...]]]", list2.toString());
// Throwing in the middle of a toString does not leave the
// list as being visited.
List list3 = [1, 2, new ThrowOnToString(), 4];
Expect.throws(list3.toString, (e) => e == "Bad!");
list3[2] = 3;
Expect.equals("[1, 2, 3, 4]", list3.toString());
}
class ThrowOnToString {
String toString() {
throw "Bad!";
}
}