| /* |
| * Copyright (C) 2011 The Guava Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
| * in compliance with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License |
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| * or implied. See the License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| |
| package com.google.common.collect; |
| |
| import com.google.common.annotations.GwtCompatible; |
| import java.util.SortedSet; |
| import junit.framework.TestCase; |
| |
| /** |
| * Unit tests for {@code SortedIterables}. |
| * |
| * @author Louis Wasserman |
| */ |
| @GwtCompatible |
| public class SortedIterablesTest extends TestCase { |
| public void testSameComparator() { |
| assertTrue(SortedIterables.hasSameComparator(Ordering.natural(), Sets.newTreeSet())); |
| // Before JDK6 (including under GWT), the TreeMap keySet is a plain Set. |
| if (Maps.newTreeMap().keySet() instanceof SortedSet) { |
| assertTrue(SortedIterables.hasSameComparator(Ordering.natural(), Maps.newTreeMap().keySet())); |
| } |
| assertTrue( |
| SortedIterables.hasSameComparator( |
| Ordering.natural().reverse(), Sets.newTreeSet(Ordering.natural().reverse()))); |
| } |
| |
| public void testComparator() { |
| assertEquals(Ordering.natural(), SortedIterables.comparator(Sets.newTreeSet())); |
| } |
| } |