IncrementingIdGeneratorTest.java

/* This program is free software: you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public License
 as published by the Free Software Foundation, either version 3 of
 the License, or (at your option) any later version.

 This program 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 this program.  If not, see <http://www.gnu.org/licenses/>. */

package org.opentripplanner.routing.util;

import static org.junit.Assert.*;

import org.junit.Test;
import org.opentripplanner.routing.util.IncrementingIdGenerator;
import org.opentripplanner.routing.util.UniqueIdGenerator;


public class IncrementingIdGeneratorTest {
    
    @Test
    public void testConstruct() {
        UniqueIdGenerator<String> gen = new IncrementingIdGenerator<String>();
        assertEquals(0, gen.getId(""));
        assertEquals(1, gen.getId("fake"));
        assertEquals(2, gen.getId("foo"));
    }
    
    @Test
    public void testConstructWithStart() {
        int start = 102;
        UniqueIdGenerator<String> gen = new IncrementingIdGenerator<String>(start);
        assertEquals(start, gen.getId(""));
        assertEquals(start + 1, gen.getId("fake"));
        assertEquals(start + 2, gen.getId("foo"));
    }
}