Direction; change_direction N --> E

src/main/c/global.h

@@ -0,0 +1,8 @@
+#ifndef GLOBAL_H
+#define GLOBAL_H
+
+typedef enum {
+    N, E, S, W
+} Dir;
+
+#endif

src/main/c/labyrinth.c

@@ -0,0 +1,14 @@
+#include "labyrinth.h"
+
+#include "global.h"
+
+#include "stdio.h"
+#include "stdlib.h"
+
+void change_direction(Dir *direction){
+    switch (*direction) {
+        case N:
+            *direction = E;
+            break;
+    }
+}

src/main/c/labyrinth.h

@@ -0,0 +1,8 @@
+#ifndef TEST_H
+#define TEST_H
+
+#include "global.h"
+
+void change_direction(Dir *direction);
+
+#endif // TEST_H

src/main/c/test.c

@@ -1,6 +0,0 @@
-#include "test.h"
-
-int return_5(){
-    return 5;
-}
-

src/main/c/test.h

@@ -1,6 +0,0 @@
-#ifndef TEST_H
-#define TEST_H
-
-int return_5();
-
-#endif // TEST_H

src/test/c/test_labyrinth.c

@@ -0,0 +1,27 @@
+#include "unity.h"
+
+#include "stdlib.h"
+
+#include "labyrinth.h"
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+void test_change_direction_from_N_expected_E(void)
+{
+    /* arrange */
+    Dir actual = N;
+    Dir expected = E;
+
+    /* act */
+    change_direction(&actual);
+
+    /* assert */
+	TEST_ASSERT_TRUE(expected == actual);
+}
+

src/test/c/test_test.c

@@ -1,28 +0,0 @@
-#ifdef TEST
-
-#include "unity.h"
-
-#include "test.h"
-
-void setUp(void)
-{
-}
-
-void tearDown(void)
-{
-}
-
-void test_test__return_5(void)
-{
-    /* arrange */
-	int expected = 5;
-	int actual;
-
-    /* act */
-	actual = return_5();
-
-    /* assert */
-	TEST_ASSERT_EQUAL_INT(expected, actual);
-}
-
-#endif // TEST