/*
 * Copyright 2012 Takao Nakaguchi
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.trie4j.tail.index;

import org.junit.Assert;
import org.junit.Test;

public class SBVTailIndexTest {
	@Test
	public void test() throws Exception{
		SBVTailIndexBuilder tib = new SBVTailIndexBuilder();
		tib.add(0, 0, 10);
		tib.add(1, 10, 15);
		TailIndex ti = tib.build();
		Assert.assertEquals(0, ti.get(0));
		Assert.assertEquals(10, ti.get(1));
	}

	@Test
	public void test2() throws Exception{
		TailIndexBuilder tib = new SBVTailIndexBuilder();
		TailIndex ti = tib.build();
		Assert.assertEquals(0, ti.size());
	}

	@Test
	public void test3() throws Exception{
		SBVTailIndexBuilder tib = new SBVTailIndexBuilder();
		tib.add(0, 0, 10);
		tib.add(1, -1, -1);
		tib.add(2, 10, 15);
		TailIndex ti = tib.build();
		Assert.assertEquals(0, ti.get(0));
		Assert.assertEquals(-1, ti.get(1));
		Assert.assertEquals(10, ti.get(2));
	}

	@Test
	public void test4() throws Exception{
		TailIndexBuilder tib = new SBVTailIndexBuilder();
		tib.addEmpty(0);
		tib.addEmpty(1);
		tib.add(2, 0, 5);
		tib.add(3, 5, 9);
		tib.addEmpty(4);
		tib.add(5, 9, 12);
		tib.add(6, 12, 16);
		tib.add(7, 16, 20);
		TailIndex ti = tib.build();
		Assert.assertEquals(-1, ti.get(0));
		Assert.assertEquals(-1, ti.get(1));
		Assert.assertEquals(0, ti.get(2));
		Assert.assertEquals(5, ti.get(3));
		Assert.assertEquals(-1, ti.get(4));
		Assert.assertEquals(9, ti.get(5));
		Assert.assertEquals(12, ti.get(6));
		Assert.assertEquals(16, ti.get(7));
	}
}