diff --git a/core/store/dist/src/test/java/org/onlab/onos/store/service/impl/MapDBLogTest.java b/core/store/dist/src/test/java/org/onlab/onos/store/service/impl/MapDBLogTest.java
new file mode 100644
index 0000000..75beefd
--- /dev/null
+++ b/core/store/dist/src/test/java/org/onlab/onos/store/service/impl/MapDBLogTest.java
@@ -0,0 +1,193 @@
+package org.onlab.onos.store.service.impl;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.util.List;
+
+import net.kuujo.copycat.internal.log.OperationEntry;
+import net.kuujo.copycat.log.Entry;
+import net.kuujo.copycat.log.Log;
+
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.onos.store.serializers.StoreSerializer;
+
+import com.google.common.testing.EqualsTester;
+
+/**
+ * Test the MapDBLog implementation.
+ */
+public class MapDBLogTest {
+
+    private static final String DB_FILE_NAME = "mapdbTest";
+    private static final StoreSerializer SERIALIZER = ClusterMessagingProtocol.SERIALIZER;
+    private static final Entry TEST_ENTRY1 = new OperationEntry(1, "test1");
+    private static final Entry TEST_ENTRY2 = new OperationEntry(2, "test12");
+    private static final Entry TEST_ENTRY3 = new OperationEntry(3, "test123");
+    private static final Entry TEST_ENTRY4 = new OperationEntry(4, "test1234");
+
+    private static final Entry TEST_SNAPSHOT_ENTRY = new OperationEntry(5, "snapshot");
+
+    private static final long TEST_ENTRY1_SIZE = SERIALIZER.encode(TEST_ENTRY1).length;
+    private static final long TEST_ENTRY2_SIZE = SERIALIZER.encode(TEST_ENTRY2).length;
+    private static final long TEST_ENTRY3_SIZE = SERIALIZER.encode(TEST_ENTRY3).length;
+    private static final long TEST_ENTRY4_SIZE = SERIALIZER.encode(TEST_ENTRY4).length;
+
+    private static final long TEST_SNAPSHOT_ENTRY_SIZE = SERIALIZER.encode(TEST_SNAPSHOT_ENTRY).length;
+
+    @Before
+    public void setUp() throws Exception {
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        Files.deleteIfExists(new File(DB_FILE_NAME).toPath());
+    }
+
+    @Test(expected = IllegalStateException.class)
+    public void testAssertOpen() {
+        Log log = new MapDBLog(new File(DB_FILE_NAME), SERIALIZER);
+        log.size();
+    }
+
+    @Test
+    public void testAppendEntry() throws IOException {
+        Log log = new MapDBLog(new File(DB_FILE_NAME), SERIALIZER);
+        log.open();
+        log.appendEntry(TEST_ENTRY1);
+        OperationEntry first = log.firstEntry();
+        OperationEntry last = log.lastEntry();
+        new EqualsTester()
+            .addEqualityGroup(first, last, TEST_ENTRY1)
+            .testEquals();
+        Assert.assertEquals(TEST_ENTRY1_SIZE, log.size());
+        Assert.assertEquals(1, log.firstIndex());
+        Assert.assertEquals(1, log.lastIndex());
+    }
+
+    @Test
+    public void testAppendEntries() throws IOException {
+        Log log = new MapDBLog(new File(DB_FILE_NAME), SERIALIZER);
+        log.open();
+        log.appendEntries(TEST_ENTRY1, TEST_ENTRY2, TEST_ENTRY3);
+        OperationEntry first = log.firstEntry();
+        OperationEntry last = log.lastEntry();
+        new EqualsTester()
+            .addEqualityGroup(first, TEST_ENTRY1)
+            .addEqualityGroup(last, TEST_ENTRY3)
+            .testEquals();
+        Assert.assertEquals(TEST_ENTRY1_SIZE + TEST_ENTRY2_SIZE, TEST_ENTRY3_SIZE, log.size());
+        Assert.assertEquals(1, log.firstIndex());
+        Assert.assertEquals(3, log.lastIndex());
+        Assert.assertTrue(log.containsEntry(1));
+        Assert.assertTrue(log.containsEntry(2));
+    }
+
+    @Test
+    public void testDelete() throws IOException {
+        Log log = new MapDBLog(new File(DB_FILE_NAME), SERIALIZER);
+        log.open();
+        log.appendEntries(TEST_ENTRY1, TEST_ENTRY2);
+        log.delete();
+        Assert.assertEquals(0, log.size());
+        Assert.assertTrue(log.isEmpty());
+        Assert.assertEquals(0, log.firstIndex());
+        Assert.assertNull(log.firstEntry());
+        Assert.assertEquals(0, log.lastIndex());
+        Assert.assertNull(log.lastEntry());
+    }
+
+    @Test
+    public void testGetEntries() throws IOException {
+        Log log = new MapDBLog(new File(DB_FILE_NAME), SERIALIZER);
+        log.open();
+        log.appendEntries(TEST_ENTRY1, TEST_ENTRY2, TEST_ENTRY3, TEST_ENTRY4);
+        Assert.assertEquals(
+                TEST_ENTRY1_SIZE +
+                TEST_ENTRY2_SIZE +
+                TEST_ENTRY3_SIZE +
+                TEST_ENTRY4_SIZE, log.size());
+
+        List<Entry> entries = log.getEntries(2, 3);
+        new EqualsTester()
+            .addEqualityGroup(log.getEntry(4), TEST_ENTRY4)
+            .addEqualityGroup(entries.get(0), TEST_ENTRY2)
+            .addEqualityGroup(entries.get(1), TEST_ENTRY3)
+            .testEquals();
+    }
+
+    @Test
+    public void testRemoveAfter() throws IOException {
+        Log log = new MapDBLog(new File(DB_FILE_NAME), SERIALIZER);
+        log.open();
+        log.appendEntries(TEST_ENTRY1, TEST_ENTRY2, TEST_ENTRY3, TEST_ENTRY4);
+        log.removeAfter(1);
+        Assert.assertEquals(TEST_ENTRY1_SIZE, log.size());
+        new EqualsTester()
+            .addEqualityGroup(log.firstEntry(), log.lastEntry(), TEST_ENTRY1)
+            .testEquals();
+    }
+
+    @Test
+    public void testAddAfterRemove() throws IOException {
+        Log log = new MapDBLog(new File(DB_FILE_NAME), SERIALIZER);
+        log.open();
+        log.appendEntries(TEST_ENTRY1, TEST_ENTRY2, TEST_ENTRY3, TEST_ENTRY4);
+        log.removeAfter(1);
+        log.appendEntry(TEST_ENTRY4);
+        Assert.assertEquals(TEST_ENTRY1_SIZE + TEST_ENTRY4_SIZE, log.size());
+        new EqualsTester()
+            .addEqualityGroup(log.firstEntry(), TEST_ENTRY1)
+            .addEqualityGroup(log.lastEntry(), TEST_ENTRY4)
+            .addEqualityGroup(log.size(), TEST_ENTRY1_SIZE + TEST_ENTRY4_SIZE)
+            .testEquals();
+    }
+
+    @Test
+    public void testClose() throws IOException {
+        Log log = new MapDBLog(new File(DB_FILE_NAME), SERIALIZER);
+        Assert.assertFalse(log.isOpen());
+        log.open();
+        Assert.assertTrue(log.isOpen());
+        log.close();
+        Assert.assertFalse(log.isOpen());
+    }
+
+    @Test
+    public void testReopen() throws IOException {
+        Log log = new MapDBLog(new File(DB_FILE_NAME), SERIALIZER);
+        log.open();
+        log.appendEntries(TEST_ENTRY1, TEST_ENTRY2, TEST_ENTRY3, TEST_ENTRY4);
+        log.close();
+        log.open();
+
+        new EqualsTester()
+            .addEqualityGroup(log.firstEntry(), TEST_ENTRY1)
+            .addEqualityGroup(log.getEntry(2), TEST_ENTRY2)
+            .addEqualityGroup(log.lastEntry(), TEST_ENTRY4)
+            .addEqualityGroup(log.size(),
+                    TEST_ENTRY1_SIZE +
+                    TEST_ENTRY2_SIZE +
+                    TEST_ENTRY3_SIZE +
+                    TEST_ENTRY4_SIZE)
+            .testEquals();
+    }
+
+    @Test
+    public void testCompact() throws IOException {
+        Log log = new MapDBLog(new File(DB_FILE_NAME), SERIALIZER);
+        log.open();
+        log.appendEntries(TEST_ENTRY1, TEST_ENTRY2, TEST_ENTRY3, TEST_ENTRY4);
+        log.compact(3, TEST_SNAPSHOT_ENTRY);
+        new EqualsTester()
+        .addEqualityGroup(log.firstEntry(), TEST_SNAPSHOT_ENTRY)
+        .addEqualityGroup(log.lastEntry(), TEST_ENTRY4)
+        .addEqualityGroup(log.size(),
+                TEST_SNAPSHOT_ENTRY_SIZE +
+                TEST_ENTRY4_SIZE)
+        .testEquals();
+    }
+}