Ensure that all free methods tolerate NULL

1 files changed, 33 insertions, 0 deletions

diff --git a/tests/free_null_test.c b/tests/free_null_test.c
new file mode 100644
index 00000000..121a66cd
--- /dev/null
+++ b/tests/free_null_test.c
@@ -0,0 +1,33 @@
+/*
+  Copyright 2020 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#undef NDEBUG
+
+#include "serd/serd.h"
+
+#include <stddef.h>
+
+int
+main(void)
+{
+	serd_free(NULL);
+	serd_node_free(NULL);
+	serd_env_free(NULL);
+	serd_reader_free(NULL);
+	serd_writer_free(NULL);
+
+	return 0;
+}