diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..2be9459
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "contrib/Unity"]
+	path = contrib/Unity
+	url = https://github.com/ThrowTheSwitch/Unity.git
diff --git a/Makefile b/Makefile
index 8e56739..c60debd 100644
--- a/Makefile
+++ b/Makefile
@@ -23,6 +23,6 @@ clean:
 .SECONDEXPANSION:
 build/c%: $(OFFSHORE_PROJECTS)/c$$*/*.c $$(OFFSHORE_MAINS)/c$$*.c $$(wildcard $(OFFSHORE_MAINS)/common/*.c)
 	mkdir -p $(@D)
-	$(CC) -o $@ $(CFLAGS_MANDATORY) -Icommon $(CFLAGS) $^ 
+	$(CC) -o $@ $(CFLAGS_MANDATORY) -Icommon -I contrib/Unity/src $(CFLAGS) $^ 
 norme: $$(wildcard $(OFFSHORE_PROJECTS)/c*)
 	norminette $^ || true
diff --git a/common/tests.h b/common/tests.h
index df6b22f..eb55946 100644
--- a/common/tests.h
+++ b/common/tests.h
@@ -38,6 +38,7 @@
 	TEST_PRINT_BUFCMP(TEST_FUNC_CASE, TEST_BUF_ORIG_SRC, TEST_BUF_ORIG_DEST, TEST_BUF_MOD_SRC, TEST_BUF_MOD_DEST); \
 	TEST_PRINT_RETVALS; \
 	TEST_RESET_BUFFERS(TEST_BUF_PRISCINE_SRC, TEST_BUF_PRISCINE_DEST, TEST_BUF_ORIG_SRC, TEST_BUF_ORIG_DEST, TEST_BUF_MOD_SRC, TEST_BUF_MOD_DEST);
+
 #define TEST_SEED(type) \
 	char	s[TEST_BUF_SIZE] = TEST_SOURCE; \
 	char	d[TEST_BUF_SIZE] = TEST_DESTINATION; \
@@ -51,7 +52,9 @@
 #define FG_WHT  "\x1B[37m"
 #define FG_MAG  "\x1B[35m"
 #define COLOR_RESET "\x1B[0m"
-#endif
 
 int	bufcmp(char*, char*, int);
 void	dump(char*, int);
+
+#endif
+
diff --git a/contrib/Unity b/contrib/Unity
new file mode 160000
index 0000000..bf56029
--- /dev/null
+++ b/contrib/Unity
@@ -0,0 +1 @@
+Subproject commit bf560290f6020737eafaa8b5cbd2177c3956c03f