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-rw-r--r--tests/tests.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/tests/tests.h b/tests/tests.h
index 34c58b7..d2f3611 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -5,6 +5,9 @@
* Unit tests.
*/
+#ifndef BFS_TESTS_H
+#define BFS_TESTS_H
+
#include "../src/config.h"
/** Unit test function type. */
@@ -24,3 +27,5 @@ bool check_trie(void);
/** Time tests. */
bool check_xtime(void);
+
+#endif // BFS_TESTS_H