/*
 * Copyright 2012, 2013 Red Hat, Inc.
 *
 * This file is part of Thermostat.
 *
 * Thermostat is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2, or (at your
 * option) any later version.
 *
 * Thermostat is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Thermostat; see the file COPYING. If not see
 * <http://www.gnu.org/licenses/>.
 *
 * Linking this code with other modules is making a combined work
 * based on this code. Thus, the terms and conditions of the GNU
 * General Public License cover the whole combination.
 *
 * As a special exception, the copyright holders of this code give
 * you permission to link this code with independent modules to
 * produce an executable, regardless of the license terms of these
 * independent modules, and to copy and distribute the resulting
 * executable under terms of your choice, provided that you also
 * meet, for each linked independent module, the terms and conditions
 * of the license of that module. An independent module is a module
 * which is not derived from or based on this code. If you modify
 * this code, you may extend this exception to your version of the
 * library, but you are not obligated to do so. If you do not wish
 * to do so, delete this exception statement from your version.
 */

package com.redhat.thermostat.common;

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

import org.junit.Test;

public class PairTest {

    @Test
    public void testCreateAndExtractParts() {
        Pair<String, String> pair = new Pair<>("1", "2");

        assertEquals("1", pair.getFirst());
        assertEquals("2", pair.getSecond());
    }

    @Test
    public void testEquals() {
        Pair<String, String> pair = new Pair<>("1", "2");
        Pair<String, String> samePair = new Pair<>("1", "2");

        Pair<String, String> differentPair = new Pair<>("2", "1");

        assertFalse(pair.equals(null));
        assertTrue(pair.equals(samePair));
        assertTrue(samePair.equals(pair));
        assertFalse(pair.equals(differentPair));
        assertFalse(pair.equals(new Object()));
    }

    @Test
    public void testHashCode() {
        Pair<String, String> pair = new Pair<>("1", "2");
        Pair<String, String> samePair = new Pair<>("1", "2");
        Pair<String, String> differentPair = new Pair<>("lol", "code");

        assertFalse(pair.hashCode() == differentPair.hashCode());
        assertTrue(pair.hashCode() == samePair.hashCode());
    }
}

