/**
* Copyright 2011 Garrick Toubassi
*
* 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.toubassi.femtozip;
import java.io.IOException;
import java.util.Arrays;
import junit.framework.Assert;
import org.junit.Test;
import org.toubassi.femtozip.dictionary.DictionaryOptimizer;
public class DictionaryOptimizerTest {
@Test
public void testSubstrings() throws IOException {
DictionaryOptimizer optimizer = new DictionaryOptimizer(new ArrayDocumentList("a man a plan a canal panama"));
optimizer.optimize(64*1024);
Assert.assertEquals(2, optimizer.getSubstringCount());
Assert.assertEquals(25, optimizer.getSubstringScore(0));
Assert.assertEquals("n a ", new String(optimizer.getSubstringBytes(0), "UTF-8"));
Assert.assertEquals(40, optimizer.getSubstringScore(1));
Assert.assertEquals("an a ", new String(optimizer.getSubstringBytes(1), "UTF-8"));
}
@Test
public void testDictPack() throws IOException {
DictionaryOptimizer optimizer = new DictionaryOptimizer(new ArrayDocumentList("11111", "11111", "00000"));
byte[] dictionary = optimizer.optimize(64*1024);
int i = 0, count;
for (i = 0, count = dictionary.length; i < count && dictionary[i] == 0; i++) {
}
String d = new String(Arrays.copyOfRange(dictionary, i, dictionary.length));
Assert.assertEquals("000011111", d);
}
}