/* LanguageTool, a natural language style checker 
 * Copyright (C) 2005 Daniel Naber (http://www.danielnaber.de)
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
 * USA
 */
package de.danielnaber.languagetool.rules;

import java.io.IOException;

import junit.framework.TestCase;
import de.danielnaber.languagetool.JLanguageTool;
import de.danielnaber.languagetool.Language;
import de.danielnaber.languagetool.TestTools;

/**
 * 
 * @author Marcin Milkowski
 */
public class WhitespaceRuleTest extends TestCase {

    public void testRule() throws IOException {
      WhitespaceRule rule = new WhitespaceRule(TestTools.getEnglishMessages(), Language.ENGLISH);
      RuleMatch[] matches;
      JLanguageTool langTool = new JLanguageTool(Language.ENGLISH);
      
      // correct sentences:
      matches = rule.match(langTool.getAnalyzedSentence("This is a test sentence."));
      assertEquals(0, matches.length);
      matches = rule.match(langTool.getAnalyzedSentence("This is a test sentence..."));
      assertEquals(0, matches.length);
      matches = rule.match(langTool.getAnalyzedSentence("\n\tThis is a test sentence..."));
      assertEquals(0, matches.length);
      
      // incorrect sentences:
      matches = rule.match(langTool.getAnalyzedSentence("This  is a test sentence."));
      assertEquals(1, matches.length);
      assertEquals(4, matches[0].getFromPos());
      assertEquals(6, matches[0].getToPos());      
      matches = rule.match(langTool.getAnalyzedSentence("This is a test   sentence."));      
      assertEquals(1, matches.length);
      assertEquals(14, matches[0].getFromPos());
      assertEquals(17, matches[0].getToPos());
      matches = rule.match(langTool.getAnalyzedSentence("This is   a  test   sentence."));
      assertEquals(3, matches.length);
      assertEquals(7, matches[0].getFromPos());
      assertEquals(10, matches[0].getToPos());
      assertEquals(11, matches[1].getFromPos());
      assertEquals(13, matches[1].getToPos());
      assertEquals(17, matches[2].getFromPos());
      assertEquals(20, matches[2].getToPos());
      matches = rule.match(langTool.getAnalyzedSentence("\t\t\t    \t\t\t\t  "));
      assertEquals(1, matches.length);
      langTool = new JLanguageTool(Language.POLISH);
      
      // correct sentences:
      matches = rule.match(langTool.getAnalyzedSentence("To jest test."));
      assertEquals(0, matches.length);
      matches = rule.match(langTool.getAnalyzedSentence("To jest   test."));
      assertEquals(1, matches.length);
    }

}