/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * 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 the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>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.apereo.portal.version;

import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertTrue;

import com.google.common.collect.ImmutableSortedSet;
import java.util.Set;
import org.junit.Assert;
import org.junit.Test;

public class AbstractVersionTest {
    @Test
    public void testVersionComparison() {
        SimpleVersion v1 = new SimpleVersion(4, 3, 2);
        SimpleVersion v2 = new SimpleVersion(4, 3, 2);

        assertEquals(0, v1.compareTo(v2));
        assertEquals(0, v2.compareTo(v1));
        assertFalse(v1.isBefore(v2));
        assertFalse(v2.isBefore(v1));

        v2 = new SimpleVersion(4, 3, 3);
        assertEquals(-1, v1.compareTo(v2));
        assertEquals(1, v2.compareTo(v1));
        assertTrue(v1.isBefore(v2));
        assertFalse(v2.isBefore(v1));

        Set<SimpleVersion> set = ImmutableSortedSet.of(v1, v2);
        Assert.assertArrayEquals(new SimpleVersion[] {v1, v2}, set.toArray(new SimpleVersion[0]));

        v1 = new SimpleVersion(5, 0, 0);
        assertEquals(1, v1.compareTo(v2));
        assertEquals(-1, v2.compareTo(v1));
        assertFalse(v1.isBefore(v2));
        assertTrue(v2.isBefore(v1));

        set = ImmutableSortedSet.of(v1, v2);
        Assert.assertArrayEquals(new SimpleVersion[] {v2, v1}, set.toArray(new SimpleVersion[0]));
    }

    private static final class SimpleVersion extends AbstractVersion {
        private static final long serialVersionUID = 1L;

        private final int major;
        private final int minor;
        private final int patch;

        public SimpleVersion(int major, int minor, int patch) {
            this.major = major;
            this.minor = minor;
            this.patch = patch;
        }

        @Override
        public int getMajor() {
            return major;
        }

        @Override
        public int getMinor() {
            return minor;
        }

        @Override
        public int getPatch() {
            return patch;
        }

        @Override
        public Integer getLocal() {
            return null;
        }
    }
}