/*
* Copyright 1999-2012 Carnegie Mellon University. Portions Copyright 2002 Sun
* Microsystems, Inc. Portions Copyright 2002 Mitsubishi Electric Research
* Laboratories. Portions Copyright 2012 Nexiwave All Rights Reserved. Use is
* subject to license terms. See the file "license.terms" for information on
* usage and redistribution of this file, and for a DISCLAIMER OF ALL
* WARRANTIES.
*/
package edu.cmu.sphinx.linguist.language.ngram.large;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.closeTo;
import static org.hamcrest.Matchers.equalTo;
import java.io.IOException;
import java.net.URL;
import org.testng.annotations.Test;
import edu.cmu.sphinx.linguist.WordSequence;
import edu.cmu.sphinx.linguist.acoustic.UnitManager;
import edu.cmu.sphinx.linguist.dictionary.Dictionary;
import edu.cmu.sphinx.linguist.dictionary.FullDictionary;
import edu.cmu.sphinx.linguist.dictionary.Word;
public class LargeNgramTest {
@Test
public void testNgram() throws IOException {
URL dictUrl = getClass().getResource("100.dict");
URL noisedictUrl = getClass()
.getResource("/edu/cmu/sphinx/models/acoustic/wsj/noisedict");
Dictionary dictionary = new FullDictionary(dictUrl,
noisedictUrl,
null,
false,
null,
false,
false,
new UnitManager());
URL lm = getClass().getResource("100.arpa.dmp");
LargeTrigramModel model = new LargeTrigramModel("",
lm,
null,
100,
100,
false,
3,
dictionary,
false,
1.0f,
1.0f,
1.0f,
false);
dictionary.allocate();
model.allocate();
assertThat(model.getMaxDepth(), equalTo(3));
Word[] words = {
new Word("huggins", null, false),
new Word("daines", null, false)};
assertThat((double) model.getProbability(new WordSequence(words)),
closeTo(-830.862, .001));
Word[] words1 = {
new Word("huggins", null, false),
new Word("daines", null, false),
new Word("david", null, false)};
assertThat((double) model.getProbability(new WordSequence(words1)),
closeTo(-67625.77, .01));
}
}