1 files changed, 16 insertions, 0 deletions

diff --git a/tests/to.c b/tests/to.c
index 6874bfd..0bfabac 100644
--- a/tests/to.c
+++ b/tests/to.c
@@ -1,3 +1,19 @@
+/* This file is part of GNU Pies testsuite.
+   Copyright (C) 2019 Sergey Poznyakoff
+
+   GNU Pies is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   GNU Pies 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GNU Pies.  If not, see <http://www.gnu.org/licenses/>. */
+
 #include <config.h>
 #include <stdlib.h>
 #include <stdio.h>