Index: /trunk/psLib/test/types/tap_psMetadataItemCompare.c
===================================================================
--- /trunk/psLib/test/types/tap_psMetadataItemCompare.c	(revision 8225)
+++ /trunk/psLib/test/types/tap_psMetadataItemCompare.c	(revision 8225)
@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <pslib.h>
+#include "tap.h"
+
+int main (void)
+{
+    plan_tests(8);
+
+    diag("psMetadataItemCompare() tests");
+
+    // Return input for NULL key
+    {
+        psString input = psStringCopy(ORIGINAL);
+        psString output = psStringSubstitute(input, ",", NULL);
+        ok(output && strcmp(output, ORIGINAL) == 0, "output = %s", output);
+        psFree(output);
+    }
+
+
+
+
+
+
+
+
+
+
+    return exit_status();
+}
+