1 files changed, 18 insertions, 0 deletions
diff --git a/tests/mpitests.c b/tests/mpitests.c
index c5c60d71..1c4edb66 100644
--- a/tests/mpitests.c
+++ b/tests/mpitests.c
@@ -213,6 +213,24 @@ test_opaque (void)
   if (debug)
     gcry_log_debugmpi ("mpi", a);
 
+  p = gcry_xstrdup ("This is a test buffer");
+  a = gcry_mpi_set_opaque_copy (NULL, p, 21*8+1);
+  gcry_free (p);
+
+  if (!gcry_mpi_get_flag (a, GCRYMPI_FLAG_OPAQUE))
+    die ("opaque flag not set\n");
+
+  p = gcry_mpi_get_opaque (a, &nbits);
+  if (!p)
+    die ("gcry_mpi_get_opaque returned NULL\n");
+  if (nbits != 21*8+1)
+    die ("gcry_mpi_get_opaque returned a changed bit size\n");
+  if (strcmp (p, "This is a test buffer"))
+    die ("gcry_mpi_get_opaque returned a changed buffer\n");
+
+  if (debug)
+    gcry_log_debugmpi ("mpi", a);
+
   gcry_mpi_release (a);
 }