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 87d1055..ca1fa1e 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
@@ -53,7 +53,7 @@
     
     public void removeLastTuple() {
         if (numTuples > 0) {
-            ITupleReference lastTuple = tuples[numTuples--];
+            ITupleReference lastTuple = tuples[--numTuples];
             totalFieldCount -= lastTuple.getFieldCount();
         }
     }
diff --git a/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndex.java b/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndex.java
index 1527a40..c4a337f 100644
--- a/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndex.java
+++ b/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndex.java
@@ -141,13 +141,13 @@
     }
 
     @Override
-    public void openInvertedListCursor(IInvertedListCursor listCursor, ITupleReference tupleReference,
+    public void openInvertedListCursor(IInvertedListCursor listCursor, ITupleReference searchKey,
             IIndexOpContext ictx) throws HyracksDataException, IndexException {
         InMemoryInvertedIndexOpContext ctx = (InMemoryInvertedIndexOpContext) ictx;
         ctx.reset(IndexOp.SEARCH);
         InMemoryInvertedListCursor inMemListCursor = (InMemoryInvertedListCursor) listCursor;
         inMemListCursor.prepare(ctx.btreeAccessor, ctx.btreePred, ctx.tokenFieldsCmp, ctx.btreeCmp);
-        inMemListCursor.reset(tupleReference);
+        inMemListCursor.reset(searchKey);
     }
 
     @Override
diff --git a/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexAccessor.java b/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexAccessor.java
index 1278283..4a97465 100644
--- a/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexAccessor.java
+++ b/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexAccessor.java
@@ -77,6 +77,11 @@
     }
 
     @Override
+    public IInvertedIndexSearcher getSearcher() {
+        return searcher;
+    }
+    
+    @Override
     public void delete(ITupleReference tuple) throws HyracksDataException, IndexException {
         throw new UnsupportedOperationException("Delete not supported by in-memory inverted index.");
     }
diff --git a/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedListCursor.java b/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedListCursor.java
index 5b003ee..0401741 100644
--- a/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedListCursor.java
+++ b/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedListCursor.java
@@ -14,6 +14,10 @@
  */
 package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory;
 
+import java.io.ByteArrayInputStream;
+import java.io.DataInput;
+import java.io.DataInputStream;
+
 import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
 import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
 import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
@@ -81,8 +85,8 @@
         tokenTuple.reset(tokenTupleBuilder.getFieldEndOffsets(), tokenTupleBuilder.getByteArray());
         btreeSearchTuple.reset();
         btreeSearchTuple.addTuple(tokenTuple);
-        btreePred.setLowKey(tuple, true);
-        btreePred.setHighKey(tuple, true);
+        btreePred.setLowKey(tokenTuple, true);
+        btreePred.setHighKey(tokenTuple, true);
         btreeAccessor.search(btreeCursor, btreePred);
     }
 
@@ -140,6 +144,7 @@
             } finally {
                 try {
                     countingCursor.close();
+                    countingCursor.reset();
                 } catch (HyracksDataException e) {
                     e.printStackTrace();
                 }
@@ -190,7 +195,27 @@
     @SuppressWarnings("rawtypes")
     @Override
     public String printInvList(ISerializerDeserializer[] serdes) throws HyracksDataException {
-        return null;
+        StringBuilder strBuilder = new StringBuilder();
+        try {
+            while (btreeCursor.hasNext()) {
+                btreeCursor.next();
+                ITupleReference tuple = btreeCursor.getTuple();
+                ByteArrayInputStream inStream = new ByteArrayInputStream(tuple.getFieldData(1), tuple.getFieldStart(1),
+                        tuple.getFieldLength(1));
+                DataInput dataIn = new DataInputStream(inStream);
+                Object o = serdes[0].deserialize(dataIn);
+                strBuilder.append(o.toString() + " ");
+            }            
+        } finally {
+            btreeCursor.close();
+            btreeCursor.reset();            
+        }
+        try {
+            btreeAccessor.search(btreeCursor, btreePred);
+        } catch (TreeIndexException e) {
+            throw new HyracksDataException(e);
+        }
+        return strBuilder.toString();
     }
 
     @SuppressWarnings("rawtypes")
diff --git a/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/search/TOccurrenceSearcher.java b/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/search/TOccurrenceSearcher.java
index 396c06e..477e0f4 100644
--- a/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/search/TOccurrenceSearcher.java
+++ b/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/search/TOccurrenceSearcher.java
@@ -270,6 +270,7 @@
     protected int mergeSuffixListScan(IInvertedListCursor invListCursor, List<ByteBuffer> prevResultBuffers,
             int maxPrevBufIdx, List<ByteBuffer> newResultBuffers, int invListIx, int numQueryTokens)
             throws HyracksDataException {
+        
         int newBufIdx = 0;
         ByteBuffer newCurrentBuffer = newResultBuffers.get(0);
 
diff --git a/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexSearchTest.java b/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexSearchTest.java
index ecf0e5b..a785398 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexSearchTest.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/common/AbstractInvertedIndexSearchTest.java
@@ -51,7 +51,7 @@
     protected final boolean bulkLoad;
     
     // Probability that a randomly generated query is used, instead of a document from the corpus.
-    protected final float randomQueryProb = 0.2f;
+    protected final float randomQueryProb = 0.9f;
     
     public AbstractInvertedIndexSearchTest(InvertedIndexType invIndexType, boolean bulkLoad) {
         super(invIndexType);
@@ -93,6 +93,17 @@
                 searchDocument.reset(documentCorpus.get(queryIndex));
             }
 
+            /*
+            StringBuilder builder = new StringBuilder();
+            UTF8StringPointable.toString(builder, searchDocument.getFieldData(0), searchDocument.getFieldStart(0));
+            String query = builder.toString();
+            
+            System.out.println("QUERY: " + i + " " + query + " " + isRandom);
+            if (query.equals("Patricia Mary")) {
+                System.out.println("HERE WE GO, DEBUG IT!");
+            }
+            */
+            
             // Set query tuple in search predicate.
             searchPred.setQueryTuple(searchDocument);
             searchPred.setQueryFieldIndex(0);
@@ -113,6 +124,7 @@
                         tokenizer, testCtx.getFieldSerdes()[0], searcher.getOccurrenceThreshold(), expectedResults);
                 
                 Iterator<Integer> expectedIter = expectedResults.iterator();
+                int count = 0;
                 while (expectedIter.hasNext() && resultCursor.hasNext()) {
                     int expected = expectedIter.next();
                     resultCursor.next();
@@ -122,8 +134,10 @@
                     if (actual != expected) {
                         fail("Query results do not match. Encountered: " + actual + ". Expected: " + expected + "");
                     }
+                    count++;
                 }
                 if (expectedIter.hasNext()) {
+                    System.out.println("COUNTS: " + expectedResults.size() + " " + count);
                     fail("Query results do not match. Actual results missing.");
                 }
                 if (resultCursor.hasNext()) {
diff --git a/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexSearchTest.java b/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexSearchTest.java
new file mode 100644
index 0000000..47e5b78
--- /dev/null
+++ b/hyracks-tests/hyracks-storage-am-lsm-invertedindex-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/inmemory/InMemoryInvertedIndexSearchTest.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.inmemory;
+
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.common.AbstractInvertedIndexSearchTest;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.InvertedIndexTestContext.InvertedIndexType;
+import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+
+public class InMemoryInvertedIndexSearchTest extends AbstractInvertedIndexSearchTest {
+
+    public InMemoryInvertedIndexSearchTest() {
+        super(InvertedIndexType.INMEMORY, false);
+    }
+
+    @Override
+    public IBufferCache getBufferCache() {
+        return harness.getMemBufferCache();
+    }
+}