Merge commit 'b572c3a256e7bf1e4eecc8c36448c08093240a6a' into stable

[gnulib.git] / tests / test-wcrtomb.c

diff --git a/tests/test-wcrtomb.c b/tests/test-wcrtomb.c
index 48bae41..a50817f 100644 (file)
--- a/tests/test-wcrtomb.c
+++ b/tests/test-wcrtomb.c
@@ -105,6 +105,14 @@ main (int argc, char *argv[])
         }
   }
 
+  /* Test special calling convention, passing a NULL pointer.  */
+  {
+    ret = wcrtomb (NULL, '\0', NULL);
+    ASSERT (ret == 1);
+    ret = wcrtomb (NULL, btowc ('x'), NULL);
+    ASSERT (ret == 1);
+  }
+
   if (argc > 1)
     switch (argv[1][0])
       {