Index: trunk/psModules/test/objects/tap_pmPSFtoMetadata.c
===================================================================
--- trunk/psModules/test/objects/tap_pmPSFtoMetadata.c	(revision 15988)
+++ trunk/psModules/test/objects/tap_pmPSFtoMetadata.c	(revision 15988)
@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include <string.h>
+#include <pslib.h>
+#include <psmodules.h>
+#include "tap.h"
+#include "pstap.h"
+/* STATUS:
+    Under construction: 10% complete.
+*/
+
+#define MISC_NUM                32
+#define MISC_NAME              "META00"
+#define NUM_BIAS_DATA           10
+#define TEST_NUM_ROWS           (8)
+#define TEST_NUM_COLS           (16)
+#define VERBOSE                 0
+#define ERR_TRACE_LEVEL         0
+#define TEST_FLOATS_EQUAL(X, Y) (abs(X - Y) < 0.0001)
+#define NUM_SOURCES		100
+int main(int argc, char* argv[])
+{
+    psLogSetFormat("HLNM");
+    psLogSetLevel(PS_LOG_INFO);
+    psTraceSetLevel("err", ERR_TRACE_LEVEL);
+    plan_tests(1);
+
+
+    // ----------------------------------------------------------------------
+    // pmPSFtoMetadata() tests
+    // psMetadata *pmPSFtoMetadata (psMetadata *metadata, pmPSF *psf)
+    // Call pmPSFtoMetadata() with NULL psPSF input parameter
+    if (1) {
+        psMemId id = psMemGetId();
+        psMetadata *metadata = psMetadataAlloc();
+        pmPSFOptions *psfOptions = pmPSFOptionsAlloc();
+        psfOptions->psfTrendNx = 1;
+        psfOptions->psfTrendNy = 2;
+        psfOptions->psfFieldNx = 3;
+        psfOptions->psfFieldNy = 4;
+        psfOptions->psfFieldXo = 5;
+        psfOptions->psfFieldYo = 6;
+        pmModelClassInit();
+        psfOptions->type = pmModelClassGetType("PS_MODEL_GAUSS");
+        pmPSF *psf = pmPSFAlloc(psfOptions);
+        psMetadata *meta2 = pmPSFtoMetadata(metadata, NULL);
+        ok(meta2 == NULL, "pmPSFtoMetadata() returned NULL with NULL psPSF input parameter");
+        psFree(metadata);
+        psFree(psfOptions);
+        psFree(psf);
+        ok(!psMemCheckLeaks (id, NULL, NULL, false), "no memory leaks");
+    }
+}