DenseArrayTailIndexTest.java

/*
 * Copyright 2014 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 DenseArrayTailIndexTest {
	@Test
	public void test() throws Exception{
		TailIndexBuilder tib = new DenseArrayTailIndexBuilder();
		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{
		TailIndex ti = new DenseArrayTailIndex();
		Assert.assertEquals(-1, ti.get(0));
	}

	@Test
	public void test3() throws Exception{
		TailIndexBuilder tib = new DenseArrayTailIndexBuilder();
		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 DenseArrayTailIndexBuilder();
		tib.add(0, 0, 10);
		tib.addEmpty(1);
		tib.add(2, 11, 14);
		tib.add(3, 15, 16);
		TailIndex ti = tib.build();
		Assert.assertEquals(0, ti.get(0));
		Assert.assertEquals(11, ti.get(2));
		Assert.assertEquals(15, ti.get(3));
	}
}