code: /* LanguageTool, a natural language style checker 
   * Copyright (C) 2015 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 org.languagetool.dev.errorcorpus;
  
  import org.junit.Test;
  import org.languagetool.AnalyzedSentence;
  import org.languagetool.rules.Rule;
  import org.languagetool.rules.RuleMatch;
  
  import java.io.IOException;
  import java.util.Arrays;
  
  import static org.junit.Assert.*;
  
  public class ErrorSentenceTest {
  
    private static final FakeRule rule = new FakeRule();
  
    @Test
    public void testHasErrorCoveredByMatch() {
      ErrorSentence s = new ErrorSentence("this is an test", null, Arrays.asList(new Error(8, 10, null)));
  
      assertTrue(s.hasErrorCoveredByMatch(new RuleMatch(rule, null, 8, 10, "msg")));  // exact match
      assertTrue(s.hasErrorCoveredByMatch(new RuleMatch(rule, null, 8, 12, "msg")));
      assertTrue(s.hasErrorCoveredByMatch(new RuleMatch(rule, null, 7, 10, "msg")));
      assertTrue(s.hasErrorCoveredByMatch(new RuleMatch(rule, null, 7, 11, "msg")));
  
      assertFalse(s.hasErrorCoveredByMatch(new RuleMatch(rule, null, 9, 10, "msg"))); // no complete overlap
      assertFalse(s.hasErrorCoveredByMatch(new RuleMatch(rule, null, 8, 9, "msg"))); // no complete overlap
    }
  
    @Test
    public void testHasErrorOverlappingWithMatch() {
      ErrorSentence s = new ErrorSentence("this is an test", null, Arrays.asList(new Error(8, 10, null)));
      
      assertTrue(s.hasErrorOverlappingWithMatch(new RuleMatch(rule, null, 8, 10, "msg")));  // exact match
      assertTrue(s.hasErrorOverlappingWithMatch(new RuleMatch(rule, null, 8, 12, "msg")));
      assertTrue(s.hasErrorOverlappingWithMatch(new RuleMatch(rule, null, 7, 10, "msg")));
      assertTrue(s.hasErrorOverlappingWithMatch(new RuleMatch(rule, null, 7, 11, "msg")));
      assertTrue(s.hasErrorOverlappingWithMatch(new RuleMatch(rule, null, 9, 10, "msg"))); // no complete overlap
      assertTrue(s.hasErrorOverlappingWithMatch(new RuleMatch(rule, null, 8, 9, "msg"))); // no complete overlap
      assertTrue(s.hasErrorOverlappingWithMatch(new RuleMatch(rule, null, 6, 8, "msg")));
      assertTrue(s.hasErrorOverlappingWithMatch(new RuleMatch(rule, null, 10, 12, "msg")));
      
      assertFalse(s.hasErrorOverlappingWithMatch(new RuleMatch(rule, null, 6, 7, "msg"))); // no overlap
      assertFalse(s.hasErrorOverlappingWithMatch(new RuleMatch(rule, null, 11, 13, "msg"))); // no overlap
    }
  
    private static class FakeRule extends Rule {
      @Override public String getId() { return "FAKE-RULE-FOR-FILTER"; }
      @Override public String getDescription() { return "<none>"; }
      @Override public RuleMatch[] match(AnalyzedSentence sentence) throws IOException { return new RuleMatch[0]; }
    }
  
  }