Index: lucene/highlighter/src/test/org/apache/lucene/search/vectorhighlight/FastVectorHighlighterTest.java
===================================================================
--- lucene/highlighter/src/test/org/apache/lucene/search/vectorhighlight/FastVectorHighlighterTest.java	(revision 1471344)
+++ lucene/highlighter/src/test/org/apache/lucene/search/vectorhighlight/FastVectorHighlighterTest.java	(working copy)
@@ -16,10 +16,14 @@
  * limitations under the License.
  */
 import java.io.IOException;
+import java.io.Reader;
 
+import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.analysis.MockTokenFilter;
 import org.apache.lucene.analysis.MockTokenizer;
+import org.apache.lucene.analysis.core.WhitespaceTokenizer;
+import org.apache.lucene.analysis.ngram.NGramTokenFilter;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Field;
 import org.apache.lucene.document.FieldType;
@@ -30,6 +34,7 @@
 import org.apache.lucene.index.Term;
 import org.apache.lucene.queries.CommonTermsQuery;
 import org.apache.lucene.search.BooleanClause.Occur;
+import org.apache.lucene.search.BooleanClause;
 import org.apache.lucene.search.BooleanQuery;
 import org.apache.lucene.search.IndexSearcher;
 import org.apache.lucene.search.PhraseQuery;
@@ -72,6 +77,44 @@
     dir.close();
   }
   
+  public void testFuckedupNgram() throws IOException {
+    Directory dir = newDirectory();
+    Analyzer analyzer = new Analyzer() {
+
+      @Override
+      protected TokenStreamComponents createComponents(String fieldName,
+          Reader reader) {
+        WhitespaceTokenizer wst = new WhitespaceTokenizer(TEST_VERSION_CURRENT, reader);
+        NGramTokenFilter ngram = new NGramTokenFilter(TEST_VERSION_CURRENT, wst, 1, 20);
+        return new TokenStreamComponents(wst, ngram);
+      }
+      
+    };
+    IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, analyzer));
+    Document doc = new Document();
+    FieldType type = new FieldType(TextField.TYPE_STORED);
+    type.setStoreTermVectorOffsets(true);
+    type.setStoreTermVectorPositions(true);
+    type.setStoreTermVectors(true);
+    type.freeze();
+    Field field = new Field("field", "logicacmg ehemals avinci - the know how company", type);
+    doc.add(field);
+    writer.addDocument(doc);
+    FastVectorHighlighter highlighter = new FastVectorHighlighter();
+    BooleanQuery query = new BooleanQuery();
+    query.add(new BooleanClause(new TermQuery(new Term("field", "m")), Occur.SHOULD));
+    query.add(new BooleanClause(new TermQuery(new Term("field", "logica")), Occur.SHOULD));
+    IndexReader reader = DirectoryReader.open(writer, true);
+    int docId = 0;
+    FieldQuery fieldQuery  = highlighter.getFieldQuery( query, reader );
+    String[] bestFragments = highlighter.getBestFragments(fieldQuery, reader, docId, "field", 54, 1);
+    // highlighted results are centered 
+    assertEquals("<b>logica</b>c<b>m</b>g ehe<b>m</b>als avinci - the know how co<b>m</b>pany", bestFragments[0]);
+    reader.close();
+    writer.close();
+    dir.close();
+  }
+  
   public void testPhraseHighlightLongTextTest() throws IOException {
     Directory dir = newDirectory();
     IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));