package org.codehaus.plexus.util.dag;

/*
 * Copyright The Codehaus Foundation.
 *
 * 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.
 */

import static org.junit.Assert.assertEquals;

import java.util.ArrayList;
import java.util.List;

import org.junit.Test;

/**
 * <p>CycleDetectedExceptionTest class.</p>
 *
 * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
 * @version $Id: $Id
 * @since 3.4.0
 */
public class CycleDetectedExceptionTest
{
    /**
     * <p>testException.</p>
     */
    @Test
    public void testException()
    {
        final List<String> cycle = new ArrayList<String>();

        cycle.add( "a" );

        cycle.add( "b" );

        cycle.add( "a" );

        final CycleDetectedException e = new CycleDetectedException( "Cycle detected", cycle );

        assertEquals( "Cycle detected a --> b --> a", e.getMessage() );
    }
}
