diff --git a/libopenfpga/libpcf/test/test_csv_io_pin_table.cpp b/libopenfpga/libpcf/test/test_csv_io_pin_table.cpp
new file mode 100644
index 000000000..bc45ffe34
--- /dev/null
+++ b/libopenfpga/libpcf/test/test_csv_io_pin_table.cpp
@@ -0,0 +1,33 @@
+/********************************************************************
+ * Unit test functions to validate the correctness of 
+ * 1. parser of data structures
+ * 2. writer of data structures
+ *******************************************************************/
+/* Headers from vtrutils */
+#include "vtr_assert.h"
+#include "vtr_log.h"
+
+/* Headers from fabric key */
+#include "read_csv_io_pin_table.h"
+#include "write_csv_io_pin_table.h"
+
+int main(int argc, const char** argv) {
+  /* Ensure we have only one or two argument */
+  VTR_ASSERT((2 == argc) || (3 == argc));
+
+  /* Parse the fabric key from an XML file */
+  openfpga::IoPinTable io_pin_table = openfpga::read_csv_io_io_pin_table(argv[1]);
+  VTR_LOG("Read the I/O pin table from a csv file: %s.\n",
+          argv[1]);
+
+  /* Output to an XML file
+   * This is optional only used when there is a second argument
+   */
+  if (3 <= argc) { 
+    write_csv_io_pin_table(std::string(argv[2]), io_pin_table);
+    VTR_LOG("Echo the I/O pin table to a csv file: %s.\n",
+            argv[2]);
+  }
+}
+
+