/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.commons.io.comparator;
import java.io.File;
import java.util.Comparator;
import org.apache.commons.io.testtools.FileBasedTestCase;
/**
* Base Test case for Comparator implementations.
*/
public abstract class ComparatorAbstractTestCase extends FileBasedTestCase {
/** comparator instance */
protected Comparator comparator;
/** reverse comparator instance */
protected Comparator reverse;
/** File which compares equal to "equalFile2" */
protected File equalFile1;
/** File which compares equal to "equalFile1" */
protected File equalFile2;
/** File which is less than the "moreFile" */
protected File lessFile;
/** File which is more than the "lessFile" */
protected File moreFile;
/**
* Construct a new test case with the specified name
* @param name Name of the test
*/
public ComparatorAbstractTestCase(String name) {
super(name);
}
/** @see junit.framework.TestCase#setUp() */
protected void setUp() throws Exception {
comparator = DefaultFileComparator.DEFAULT_COMPARATOR;
reverse = DefaultFileComparator.DEFAULT_REVERSE;
}
/** @see junit.framework.TestCase#tearDown() */
protected void tearDown() throws Exception {
comparator = null;
reverse = null;
equalFile1 = null;
equalFile2 = null;
lessFile = null;
moreFile = null;
}
/**
* Test the comparator.
*/
public void testComparator() {
assertTrue("equal", comparator.compare(equalFile1, equalFile2) == 0);
assertTrue("less", comparator.compare(lessFile, moreFile) < 0);
assertTrue("more", comparator.compare(moreFile, lessFile) > 0);
}
/**
* Test the comparator reversed.
*/
public void testReverseComparator() {
assertTrue("equal", reverse.compare(equalFile1, equalFile2) == 0);
assertTrue("less", reverse.compare(moreFile, lessFile) < 0);
assertTrue("more", reverse.compare(lessFile, moreFile) > 0);
}
}