1 files changed, 34 insertions, 0 deletions
diff --git a/libavutil/tests/file.c b/libavutil/tests/file.c
new file mode 100644
index 0000000000..3608bcccbe
--- /dev/null
+++ b/libavutil/tests/file.c
@@ -0,0 +1,34 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/file.c"
+
+#undef printf
+
+int main(void)
+{
+    uint8_t *buf;
+    size_t size;
+    if (av_file_map("file.c", &buf, &size, 0, NULL) < 0)
+        return 1;
+
+    buf[0] = 's';
+    printf("%s", buf);
+    av_file_unmap(buf, size);
+    return 0;
+}