set_wall at any x y

src/main/c/labyrinth.c

@@ -44,6 +44,6 @@ void lab_move(unsigned short *x, unsigned short *y, Direction direction){
 }
 
 void set_wall(Field_State** field, unsigned short x, unsigned short y) {
-    field[0][0] = WALL;
+    field[x][y] = WALL;
 }
 

src/test/c/test_labyrinth.c

@@ -231,3 +231,34 @@ void test_set_wall_at_0_0_expected_WALL(void)
     free(field);
 }
 
+void test_set_wall_at_2_3_expected_WALL(void)
+{
+    /* arrange */
+	unsigned short x = 2;
+	unsigned short y = 3;
+	
+	unsigned short len_x = 5, len_y = 5;
+    Field_State **field;
+
+    field = malloc(len_x * sizeof *field);
+    for (int c_index = 0; c_index < len_x; c_index++){
+        field[c_index] = malloc(len_y * sizeof field[c_index]);
+    }
+	
+	field[x][y] = WAY;
+	
+	Field_State expected = WALL;
+
+    /* act */
+    set_wall(field, x, y);
+
+    /* assert */
+	TEST_ASSERT_TRUE(field[x][y] == expected);
+
+    for (int c_index = 0; c_index < len_x; c_index++)
+    {
+        free(field[c_index]);
+    }
+    free(field);
+}
+