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diff --git a/JLanguageTool/src/test/de/danielnaber/languagetool/rules/CommaWhitespaceRuleTest.java b/JLanguageTool/src/test/de/danielnaber/languagetool/rules/CommaWhitespaceRuleTest.java
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+++ b/JLanguageTool/src/test/de/danielnaber/languagetool/rules/CommaWhitespaceRuleTest.java
@@ -0,0 +1,102 @@
+/* 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 Daniel Naber
+ */
+public class CommaWhitespaceRuleTest extends TestCase {
+
+  public void testRule() throws IOException {
+    CommaWhitespaceRule rule = new CommaWhitespaceRule(TestTools.getEnglishMessages());
+    RuleMatch[] matches;
+    JLanguageTool langTool = new JLanguageTool(Language.ENGLISH);
+    
+    // correct sentences:
+    assertEquals(0, rule.match(langTool.getAnalyzedSentence("This is a test sentence.")).length);
+    assertEquals(0, rule.match(langTool.getAnalyzedSentence("This, is, a test sentence.")).length);
+    assertEquals(0, rule.match(langTool.getAnalyzedSentence("This (foo bar) is a test(!).")).length);
+    //we get only entities into the comma rule, so let's test for entities:
+    assertEquals(0, rule.match(langTool.getAnalyzedSentence(""This is it," he said.")).length);
+    assertEquals(0, rule.match(langTool.getAnalyzedSentence("Das kostet €2,45.")).length);
+    assertEquals(0, rule.match(langTool.getAnalyzedSentence("Das kostet 50,- Euro")).length);
+    //test OpenOffice field codes:
+    assertEquals(0, rule.match(langTool.getAnalyzedSentence("In his book,\u0002 Einstein proved this to be true.")).length);
+    
+    //test thousand separators:    
+    assertEquals(0, rule.match(langTool.getAnalyzedSentence("This is $1,000,000.")).length);
+    //test numbers:    
+    assertEquals(0, rule.match(langTool.getAnalyzedSentence("This is 1,5.")).length);
+    
+    //test two consecutive commas:
+    assertEquals(0, rule.match(langTool.getAnalyzedSentence("This is a ,,test''.")).length);
+    
+    // errors:
+    matches = rule.match(langTool.getAnalyzedSentence("This,is a test sentence."));
+    assertEquals(1, matches.length);
+    matches = rule.match(langTool.getAnalyzedSentence("This , is a test sentence."));
+    assertEquals(1, matches.length);
+    matches = rule.match(langTool.getAnalyzedSentence("This ,is a test sentence."));
+    assertEquals(2, matches.length);
+    matches = rule.match(langTool.getAnalyzedSentence(",is a test sentence."));
+    assertEquals(2, matches.length);
+    matches = rule.match(langTool.getAnalyzedSentence("This ( foo bar) is a test(!)."));
+    assertEquals(1, matches.length);
+    matches = rule.match(langTool.getAnalyzedSentence("This (foo bar ) is a test(!)."));      
+    assertEquals(1, matches.length);
+    
+    //other brackets, first [
+    matches = rule.match(langTool.getAnalyzedSentence("This [ foo bar) is a test(!)."));
+    assertEquals(1, matches.length);
+    matches = rule.match(langTool.getAnalyzedSentence("This (foo bar ] is a test(!)."));      
+    assertEquals(1, matches.length);
+    //now {
+    matches = rule.match(langTool.getAnalyzedSentence("This { foo bar) is a test(!)."));
+    assertEquals(1, matches.length);
+    matches = rule.match(langTool.getAnalyzedSentence("This (foo bar } is a test(!)."));      
+    assertEquals(1, matches.length);
+    
+    //full stop error:
+    matches = rule.match(langTool.getAnalyzedSentence("This is a sentence with an orphaned full stop ."));
+    assertEquals(1, matches.length);
+    //full stop exception cases:
+    matches = rule.match(langTool.getAnalyzedSentence("This is a sentence with ellipsis ..."));
+    assertEquals(0, matches.length);
+    matches = rule.match(langTool.getAnalyzedSentence("This is a figure: .5 and it's correct."));
+    assertEquals(0, matches.length);
+    
+    matches = rule.match(langTool.getAnalyzedSentence("ABB (  z.B. )"));
+    // check match positions:
+    assertEquals(2, matches.length);
+    assertEquals(4, matches[0].getFromPos());
+    assertEquals(6, matches[0].getToPos());
+    assertEquals(11, matches[1].getFromPos());
+    assertEquals(13, matches[1].getToPos());
+    matches = rule.match(langTool.getAnalyzedSentence("This is a test with a OOo footnote\u0002, which is denoted by 0x2 in the text."));
+    assertEquals(0, matches.length);
+  }
+  
+}