lab_can_move direction S heading SOLUTION

src/main/c/labyrinth.c

@@ -73,6 +73,9 @@ short lab_can_move(Field_State** field, unsigned short x, unsigned short y, Dire
 	if (direction == E && field[x][y] == SOLUTION){
 		return 1;
 	}
+	if (direction == S && field[x][y] == SOLUTION){
+		return 1;
+	}
 
     return 0;
 }

src/test/c/test_labyrinth.c

@@ -671,3 +671,35 @@ void test_lab_can_move_at_1_1_direction_E_target_SOLUTION_expected_1(void)
     free(field);
 }
 
+void test_lab_can_move_at_1_1_direction_S_target_SOLUTION_expected_1(void)
+{
+    /* arrange */
+	unsigned short x = 1;
+	unsigned short y = 1;
+	unsigned short x_target = 2;
+	unsigned short y_target = 1;
+	Direction direction = S;
+	short expected = 1;
+	short actual;
+	unsigned short len_x = 3, len_y = 3;
+    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_target][y_target] = SOLUTION;
+
+    /* act */
+    actual = lab_can_move(field, x, y, direction, len_x, len_y);
+
+    /* assert */
+	TEST_ASSERT_EQUAL_INT8(expected, actual);
+
+    for (int c_index = 0; c_index < len_x; c_index++)
+    {
+        free(field[c_index]);
+    }
+    free(field);
+}
+