CharMapTest.java

/*
 * Copyright 2013, 2014 Deutsche Nationalbibliothek
 *
 * 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.culturegraph.mf.commons.tries;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;

import java.util.Map;

import org.junit.Test;


/**
 * tests {@link CharMap}
 *
 * @author Markus Michael Geipel
 *
 */
public final class CharMapTest {

	private static final String UML = "umlaut";

	@Test
	public void testEmptyMap() {
		final Map<Character, Integer> map = new CharMap<Integer>();

		for (byte i = Byte.MIN_VALUE; i < Byte.MAX_VALUE; ++i) {
			assertNull(map.get(Byte.valueOf(i)));
		}

	}

	@Test
	public void testSingleEntry() {
		final Map<Character, String> map = new CharMap<String>();
		final char beite = 'ü';
		map.put(Character.valueOf(beite), UML);

		assertEquals(UML,map.get(Character.valueOf(beite)));

	}

	@Test
	public void testFullMap() {
		final Map<Character, Integer> map = new CharMap<Integer>();

		for (char i = Character.MIN_VALUE; i < Character.MAX_VALUE; ++i) {
			map.put(Character.valueOf(i), Integer.valueOf(i));
		}

		for (char i = Character.MIN_VALUE; i < Character.MAX_VALUE; ++i) {
			assertEquals(Integer.valueOf(i),map.get(Character.valueOf(i)));
		}

	}

	@Test
	public void testMixedMap() {
		final Map<Character, Integer> map = new CharMap<Integer>();

		for (char i = 0; i < Character.MAX_VALUE-1; i+=2) {
			map.put(Character.valueOf(i), Integer.valueOf(i));
		}

		for (char i = 0; i < Character.MAX_VALUE-1; i+=2) {
			assertEquals(Integer.valueOf(i),map.get(Character.valueOf(i)));
		}
	}

}