blob: 8d2bc9b8e40768577d3bd9938d8de92ce10a58ab [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";
void main() {
Map m = new Map();
m[0] = 0;
m[1] = 1;
m[2] = m;
Expect.equals('{0: 0, 1: 1, 2: {...}}', m.toString());
// Throwing in the middle of a toString does not leave the
// map as being visited
ThrowOnToString err = new ThrowOnToString();
m[1] = err;
Expect.throws(m.toString, (e) => e == "Bad!");
m[1] = 1;
Expect.equals('{0: 0, 1: 1, 2: {...}}', m.toString());
m[err] = 1;
Expect.throws(m.toString, (e) => e == "Bad!");
m.remove(err);
}
class ThrowOnToString {
String toString() {
throw "Bad!";
}
}