Add interest filters; additional tests
diff --git a/src/test/java/com/intel/jndn/mock/TestCounter.java b/src/test/java/com/intel/jndn/mock/TestCounter.java
new file mode 100644
index 0000000..3627ac4
--- /dev/null
+++ b/src/test/java/com/intel/jndn/mock/TestCounter.java
@@ -0,0 +1,31 @@
+/*
+ * jndn-mock
+ * Copyright (c) 2015, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU Lesser General Public License,
+ * version 3, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
+ * more details.
+ */
+package com.intel.jndn.mock;
+
+/**
+ *
+ * @author Andrew Brown <andrew.brown@intel.com>
+ */
+public class TestCounter {
+
+  private int count = 0;
+
+  public void inc() {
+    count++;
+  }
+
+  public int get() {
+    return count;
+  }
+}