added setRoomSuccessor with test

src/c/map.c

@@ -62,3 +62,7 @@ Room *getMap(char *gameMapFile)
 int getRoomSuccessor(Room *room){
 	return room->successor;
 }
+
+void setRoomSuccessor(Room *room, int successorSet){
+	room->successor = successorSet;
+}

src/c/map.h

@@ -28,7 +28,7 @@ Room *getMap(char *gameMapFile);
 
 
 int getRoomSuccessor(Room *room);
-
+void setRoomSuccessor(Room *room, int successorSet);
 
 
 

test/c/test_map.c

@@ -63,6 +63,23 @@ void test_getRoomSuccessor(void)
     TEST_ASSERT_EQUAL(successor, result);
 }
 
+void test_setRoomSuccessor(void)
+{
+        // arrange
+    int successor = 2, result;
+
+    // act
+    Room test;
+    setRoomSuccessor(&test, successor);
+    result = test.successor;
+
+    //output
+    printf("setRoomSuccessor | successor to set: %d -> is: %d", successor, result);
+
+    // assert
+    TEST_ASSERT_EQUAL(successor, result);
+}
+
 
 
 #endif // TEST