/* Copyright (C) 2002 Univ. of Massachusetts Amherst, Computer Science Dept.
This file is part of "MALLET" (MAchine Learning for LanguagE Toolkit).
http://www.cs.umass.edu/~mccallum/mallet
This software is provided under the terms of the Common Public License,
version 1.0, as published by http://www.opensource.org. For further
information, see the file `LICENSE' included with this distribution. */
/**
@author Andrew McCallum <a href="mailto:mccallum@cs.umass.edu">mccallum@cs.umass.edu</a>
*/
package cc.mallet.types.tests;
import cc.mallet.types.Alphabet;
import cc.mallet.types.FeatureSequence;
import junit.framework.*;
public class TestFeatureSequence extends TestCase
{
public TestFeatureSequence (String name) {
super (name);
}
public void testNewPutSizeFreeze ()
{
Alphabet dict = new Alphabet ();
FeatureSequence fs = new FeatureSequence (dict, 10);
fs.add (dict.lookupIndex ("apple"));
fs.add (dict.lookupIndex ("bear"));
fs.add (dict.lookupIndex ("car"));
fs.add (dict.lookupIndex ("door"));
assertTrue (fs.size() == 4);
double[] weights = new double[4];
fs.addFeatureWeightsTo (weights);
assertTrue (weights[1] == 1.0);
fs.add (dict.lookupIndex ("bear"));
int[] feats = fs.toFeatureIndexSequence();
assertTrue (feats[0] == 0);
assertTrue (feats[1] == 1);
assertTrue (feats[2] == 2);
assertTrue (feats[3] == 3);
assertTrue (feats[4] == 1);
}
public static Test suite ()
{
return new TestSuite (TestFeatureSequence.class);
}
protected void setUp ()
{
}
public static void main (String[] args)
{
junit.textui.TestRunner.run (suite());
}
}