/*
 * (c) Copyright 2010 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 (GPL).
 *
 * 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.primitive;

import static org.junit.Assert.*;

import org.databene.benerator.distribution.Sequence;
import org.databene.benerator.distribution.SequenceManager;
import org.databene.benerator.test.GeneratorTest;
import org.databene.benerator.util.GeneratorUtil;
import org.databene.script.Expression;
import org.databene.script.expression.ExpressionUtil;
import org.junit.Test;

/**
 * Tests the {@link DynamicCountGenerator}.<br/><br/>
 * Created: 28.03.2010 12:57:38
 * @since 0.6.0
 * @author Volker Bergmann
 */
public class DynamicCountGeneratorTest extends GeneratorTest {

	private static final Expression<Long> ONE = ExpressionUtil.constant(1L);
	private static final Expression<Long> TWO = ExpressionUtil.constant(2L);
	private static final Expression<Long> NULL = ExpressionUtil.constant(null);
	private static final Expression<Sequence> STEP = ExpressionUtil.constant(SequenceManager.STEP_SEQUENCE);
	private static final Expression<Boolean> FALSE = ExpressionUtil.constant(false);
	
	@Test
	public void testNormal() {
		DynamicCountGenerator generator = new DynamicCountGenerator(ONE, TWO, ONE, STEP, FALSE, false);
		generator.init(context);
		expectGeneratedSequence(generator, 1L, 2L);
		generator.close();
	}
	
	@Test
	public void testMaxIsNull() {
		DynamicCountGenerator generator = new DynamicCountGenerator(ONE, NULL, ONE, STEP, FALSE, true);
		generator.init(context);
		assertEquals(1L, GeneratorUtil.generateNonNull(generator).longValue());
		generator.close();
	}
	
}