/*
 * (c) Copyright 2007-2009 by Volker Bergmann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, is permitted under the terms of the
 * GNU General Public License.
 *
 * For redistributing this software or a derivative work under a license other
 * than the GPL-compatible Free Software License as defined by the Free
 * Software Foundation or approved by OSI, you must first obtain a commercial
 * license to this software product from Volker Bergmann.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
 * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
 * HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package org.databene.benerator.util;

import java.io.IOException;

import org.junit.Test;
import static junit.framework.Assert.*;

import org.databene.commons.CollectionUtil;
import org.databene.commons.IOUtil;
import org.databene.commons.ReaderLineIterator;

/**
 * Tests the LineShuffler.<br/><br/>
 * Created: 22.07.2007 08:16:23
 * @author Volker Bergmann
 */
public class LineShufflerTest {

	@Test
    public void testShuffleList() {
        LineShuffler.shuffle(CollectionUtil.toList("1", "2", "3"));
    }

	@Test
    public void testShuffleFile() throws IOException {
    	boolean[] check = new boolean[3];
        String outFile = "target/LineShufflerTest.txt";
		LineShuffler.shuffle("org/databene/benerator/util/test.txt", outFile, 3);
		ReaderLineIterator iterator = new ReaderLineIterator(IOUtil.getReaderForURI(outFile));
		int count = 0;
		while (iterator.hasNext()) {
			count++;
			int value = Integer.parseInt(iterator.next());
			assertFalse(check[value]);
			check[value] = true;
		}
		assertEquals(3, count);
		for (boolean c : check)
			assertTrue(c);
    }
    
}