/*******************************************************************************
* Copyright (c) 2009, 2012 Erik Berglund.
*
* This file is part of Conserve.
*
* Conserve 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.
*
* Conserve 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Conserve. If not, see <http://www.gnu.org/licenses/>.
*******************************************************************************/
package org.conserve.tools;
import static org.junit.Assert.*;
import java.util.ArrayList;
import org.conserve.tools.uniqueid.UniqueIdGenerator;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class UniqueIdGeneratorTest
{
@Before
public void setUp() throws Exception
{
}
@After
public void tearDown() throws Exception
{
}
/**
* Generate a large set of keys, check that none are generated more than once.
*/
@Test
public void testNext()
{
ArrayList<String> seen = new ArrayList<String>();
UniqueIdGenerator generator = new UniqueIdGenerator();
for(int x = 0;x<10000;x++)
{
String value = generator.next();
assertTrue(value.length()>0);
assertFalse(seen.contains(value));
seen.add(value);
}
}
}