diff --git a/src/test/java/de/ids_mannheim/korap/index/TestPosToOffset.java b/src/test/java/de/ids_mannheim/korap/index/TestPosToOffset.java
index 18ec228..d9baef3 100644
--- a/src/test/java/de/ids_mannheim/korap/index/TestPosToOffset.java
+++ b/src/test/java/de/ids_mannheim/korap/index/TestPosToOffset.java
@@ -37,51 +37,49 @@
 
     @Test
     public void indexExample1 () throws IOException {
-	KrillIndex ki = new KrillIndex();
+        KrillIndex ki = new KrillIndex();
 
-	FieldDocument fd = new FieldDocument();
-	fd.addTV("base",
-		 "a b c",
-		 "[(0-1)s:a|i:a|_0#0-1|-:t$<i>3]" +
-		 "[(2-3)s:b|i:b|_1#2-3]" +
-		 "[(4-5)s:c|i:c|_2#4-5]");
-	ki.addDoc(fd);
+        FieldDocument fd = new FieldDocument();
+        fd.addTV("base",
+                 "a b c",
+                 "[(0-1)s:a|i:a|_0#0-1|-:t$<i>3]" +
+                 "[(2-3)s:b|i:b|_1#2-3]" +
+                 "[(4-5)s:c|i:c|_2#4-5]");
+        ki.addDoc(fd);
 
-	fd = new FieldDocument();
-	fd.addTV("base",
-		 "x  y  z",
-		 "[(0-1)s:x|i:x|_0#0-2|-:t$<i>3]" +
-		 "[(3-4)s:y|i:y|_1#3-4]" +
-		 "[(6-7)s:z|i:z|_2#6-7]");  // 3
-	ki.addDoc(fd);
+        fd = new FieldDocument();
+        fd.addTV("base",
+                 "x  y  z",
+                 "[(0-1)s:x|i:x|_0#0-2|-:t$<i>3]" +
+                 "[(3-4)s:y|i:y|_1#3-4]" +
+                 "[(6-7)s:z|i:z|_2#6-7]");  // 3
+        ki.addDoc(fd);
+                ki.commit();
+        
+        String field = "base";
+        for (AtomicReaderContext atomic : ki.reader().leaves()) {
+            PositionsToOffset pto = new PositionsToOffset(atomic, field);
 
-	ki.commit();
+            pto.add(0,1);
+            pto.add(0,2);
+            pto.add(1,2);
+            pto.add(1,1);
+            pto.add(1,20);
 
-	String field = "base";
+            assertEquals("Start 0,1", pto.start(0,1), 2);
+            assertEquals("End 0,1", pto.end(0,1), 3);
 
-	for (AtomicReaderContext atomic : ki.reader().leaves()) {
-	    PositionsToOffset pto = new PositionsToOffset(atomic, field);
+            assertEquals("Start 0,2", pto.start(0,2), 4);
+            assertEquals("End 0,2", pto.end(0,2), 5);
 
-	    pto.add(0,1);
-	    pto.add(0,2);
-	    pto.add(1,2);
-	    pto.add(1,1);
-	    pto.add(1,20);
+            assertEquals("Start 1,2", pto.start(1,2), 6);
+            assertEquals("End 1,2", pto.end(1,2), 7);
 
-	    assertEquals("Start 0,1", pto.start(0,1), 2);
-	    assertEquals("End 0,1", pto.end(0,1), 3);
-
-	    assertEquals("Start 0,2", pto.start(0,2), 4);
-	    assertEquals("End 0,2", pto.end(0,2), 5);
-
-	    assertEquals("Start 1,2", pto.start(1,2), 6);
-	    assertEquals("End 1,2", pto.end(1,2), 7);
-
-	    assertEquals("Start 1,1", pto.start(1,1), 3);
-	    assertEquals("End 1,1", pto.end(1,1), 4);
-
-	    assertEquals("Start 1,20", pto.start(1,20), 0);
-	    assertEquals("End 1,20", pto.end(1,20), -1);
-	};
+            assertEquals("Start 1,1", pto.start(1,1), 3);
+            assertEquals("End 1,1", pto.end(1,1), 4);
+            
+            assertEquals("Start 1,20", pto.start(1,20), 0);
+            assertEquals("End 1,20", pto.end(1,20), -1);
+        };
     };
 };