blob: ae112d4b76be95c68b9e1717573db0ced0137123 [file] [log] [blame]
// Copyright (c) 2011, 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.
// Dart test for Splaytrees.
library splay_tree_test;
import "package:expect/expect.dart";
import 'dart:collection';
class SplayTreeMapTest {
static testMain() {
SplayTreeMap tree = new SplayTreeMap();
tree[1] = "first";
tree[3] = "third";
tree[5] = "fifth";
tree[2] = "second";
tree[4] = "fourth";
var correctSolution = ["first", "second", "third", "fourth", "fifth"];
tree.forEach((key, value) {
Expect.equals(true, key >= 1);
Expect.equals(true, key <= 5);
Expect.equals(value, correctSolution[key - 1]);
for (var v in ["first", "second", "third", "fourth", "fifth"]) {
tree[7] = "seventh";
Expect.equals(1, tree.firstKey());
Expect.equals(7, tree.lastKey());
Expect.equals(2, tree.lastKeyBefore(3));
Expect.equals(4, tree.firstKeyAfter(3));
Expect.equals(null, tree.lastKeyBefore(1));
Expect.equals(2, tree.firstKeyAfter(1));
Expect.equals(4, tree.lastKeyBefore(5));
Expect.equals(7, tree.firstKeyAfter(5));
Expect.equals(5, tree.lastKeyBefore(7));
Expect.equals(null, tree.firstKeyAfter(7));
Expect.equals(5, tree.lastKeyBefore(6));
Expect.equals(7, tree.firstKeyAfter(6));
main() {