src/test/java/org/apache/maven/shared/utils/logging/MessageUtilsTest.java

package org.apache.maven.shared.utils.logging;

/*
 * 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.
 */

import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.CoreMatchers.sameInstance;
import static org.junit.Assert.assertThat;

import java.io.PrintStream;

import org.junit.Test;

public class MessageUtilsTest
{
    @Test
    public void testSystem()
    {
        PrintStream currentOut = System.out;
        try
        {
            MessageUtils.systemInstall();
            assertThat( System.out, not( sameInstance( currentOut ) ) );
            MessageUtils.systemUninstall();
            assertThat( System.out, sameInstance( currentOut ) );
        }
        finally
        {
            System.setOut( currentOut );
        }
    }
}