code: /* LanguageTool, a natural language style checker 
   * Copyright (C) 2010 Marcin Miłkowski (http://www.languagetool.org)
   * 
   * 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 org.languagetool.bitext;
  
  import org.junit.Test;
  
  import java.io.File;
  import java.io.FileOutputStream;
  import java.io.OutputStreamWriter;
  import java.io.PrintWriter;
  import java.nio.charset.StandardCharsets;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  public class TabBitextReaderTest {
  
    @Test
    public void testReader() throws Exception {
      // Create a simple plain text file.
      File input = File.createTempFile("input", "txt");  
      input.deleteOnExit();
  
      // Populate the file with data.
      PrintWriter writer = new PrintWriter(new OutputStreamWriter(new FileOutputStream(input), StandardCharsets.UTF_8));
      writer.println("This is not actual.\tTo nie jest aktualne.");
      writer.println("Test\tTest");
      writer.println("ab\tVery strange data indeed, much longer than input");
      writer.close();  
  
      TabBitextReader reader = new TabBitextReader(input.getAbsolutePath(), "UTF-8");
      int i = 1;
      for (StringPair srcAndTrg : reader) {
        assertTrue(srcAndTrg.getSource() != null);
        assertTrue(srcAndTrg.getTarget() != null);
        if (i == 1) {
          assertEquals("This is not actual.", srcAndTrg.getSource());
        } else if (i == 2) {
          assertEquals("Test", srcAndTrg.getSource());
        } else if (i == 3) {
          assertEquals("Very strange data indeed, much longer than input",
              srcAndTrg.getTarget());
        }
        i++;
      }
    }
  }
  