/*
* Copyright 2002-2016 the original author or 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 org.springframework.util.comparator;
import java.util.Comparator;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import static org.junit.Assert.*;
/**
* Tests for {@link ComparableComparator}.
*
* @author Keith Donald
* @author Chris Beams
* @author Phillip Webb
*/
public class ComparableComparatorTests {
@Rule
public ExpectedException thrown = ExpectedException.none();
@Test
public void testComparableComparator() {
Comparator<String> c = new ComparableComparator<>();
String s1 = "abc";
String s2 = "cde";
assertTrue(c.compare(s1, s2) < 0);
}
@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
public void shouldNeedComparable() {
Comparator c = new ComparableComparator();
Object o1 = new Object();
Object o2 = new Object();
thrown.expect(ClassCastException.class);
c.compare(o1, o2);
}
}