diff --git a/hyracks-storage-am-common/src/main/java/edu/uci/ics/hyracks/storage/am/common/tuples/ConcatenatingTupleReference.java b/hyracks-storage-am-common/src/main/java/edu/uci/ics/hyracks/storage/am/common/tuples/ConcatenatingTupleReference.java
index d82004c..c5662b1 100644
--- a/hyracks-storage-am-common/src/main/java/edu/uci/ics/hyracks/storage/am/common/tuples/ConcatenatingTupleReference.java
+++ b/hyracks-storage-am-common/src/main/java/edu/uci/ics/hyracks/storage/am/common/tuples/ConcatenatingTupleReference.java
@@ -17,8 +17,6 @@
 
 import java.util.Arrays;
 
-import javax.swing.plaf.basic.BasicInternalFrameTitlePane.MaximizeAction;
-
 import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
 
 /**
diff --git a/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexLoadTest.java b/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexLoadTest.java
index 3ceec78..611e13e 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexLoadTest.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexLoadTest.java
@@ -53,7 +53,9 @@
             // Validate index and compare against expected index.
             invIndex.validate();
             if (invIndexType == InvertedIndexType.INMEMORY || invIndexType == InvertedIndexType.ONDISK) {
+                // These two different comparison methods exercise different features of the inverted-indexes.
                 InvertedIndexTestUtils.compareActualAndExpectedIndexes(testCtx);
+                InvertedIndexTestUtils.compareActualAndExpectedIndexesRangeSearch(testCtx);
             }
         }
 
diff --git a/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/util/InvertedIndexTestUtils.java b/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/util/InvertedIndexTestUtils.java
index d5696c5..4fc43f1 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/util/InvertedIndexTestUtils.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/util/InvertedIndexTestUtils.java
@@ -51,9 +51,11 @@
 import edu.uci.ics.hyracks.storage.am.common.datagen.TupleGenerator;
 import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndex;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexAccessor;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.LSMInvertedIndexTestHarness;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.DelimitedUTF8StringBinaryTokenizerFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
@@ -124,8 +126,11 @@
         }
     }
 
-    public static void compareActualAndExpectedIndexes(InvertedIndexTestContext testCtx) throws HyracksDataException,
-            IndexException {
+    /**
+     * Compares actual and expected indexes using the rangeSearch() method of the inverted-index accessor.
+     */
+    public static void compareActualAndExpectedIndexesRangeSearch(InvertedIndexTestContext testCtx)
+            throws HyracksDataException, IndexException {
         IInvertedIndex invIndex = (IInvertedIndex) testCtx.getIndex();
         int tokenFieldCount = invIndex.getTokenTypeTraits().length;
         int invListFieldCount = invIndex.getInvListTypeTraits().length;
@@ -169,7 +174,9 @@
         }
     }
 
-    /*
+    /**
+     * Compares actual and expected indexes by comparing their inverted-lists one by one. Exercises the openInvertedListCursor() method of the inverted-index accessor.
+     */
     @SuppressWarnings("unchecked")
     public static void compareActualAndExpectedIndexes(InvertedIndexTestContext testCtx) throws HyracksDataException,
             IndexException {
@@ -242,7 +249,6 @@
             }
         }
     }
-    */
 
     /**
      * Determine the expected results with the simple ScanCount algorithm.