From d285bcc4135350edbcaa31a3674fef23e04ce4f3 Mon Sep 17 00:00:00 2001
From: David Moeller <david.moeller@informatik.hs-fulda.de>
Date: Sun, 21 Jan 2024 13:48:58 +0100
Subject: [PATCH] Test part_of_snake

---
 src/main/c/Snake/snake_start.c  | 18 ++++------------
 src/main/c/Snake/snake_start.h  | 14 ++++++++++++
 test/Snake/test_part_of_snake.c | 38 +++++++++++++++++++++++++++++++++
 3 files changed, 56 insertions(+), 14 deletions(-)
 create mode 100644 test/Snake/test_part_of_snake.c

diff --git a/src/main/c/Snake/snake_start.c b/src/main/c/Snake/snake_start.c
index efcd08b..86f0204 100644
--- a/src/main/c/Snake/snake_start.c
+++ b/src/main/c/Snake/snake_start.c
@@ -1,21 +1,11 @@
 #include <stdio.h>
 #include <stdbool.h>
-
-
-#define HEIGHT 15
-#define WIDTH 15
-#define AREA HEIGHT * WIDTH
-
-typedef struct{
-    signed char direction[2];
-    char length;
-    unsigned char segments[AREA];
-}Snake;
+#include "snake_start.h"
 
 
 void main_menu();
 void game();
-Snake initialize_game();
+Snake initialize_snake();
 void draw(Snake *snake);
 int part_of_snake(Snake *snake, unsigned char tile);
 
@@ -55,7 +45,7 @@ void main_menu(){
 }
 
 void game(){
-    Snake snake = initialize_game();
+    Snake snake = initialize_snake();
     bool running = true;
     while (running)
     {
@@ -66,7 +56,7 @@ void game(){
     getchar();
 }
 
-Snake initialize_game(){
+Snake initialize_snake(){
     Snake snake = {{0, 1}, 3};
     for(int i = 0; i < AREA; i++){
         snake.segments[i] = 0;
diff --git a/src/main/c/Snake/snake_start.h b/src/main/c/Snake/snake_start.h
index 423f324..87a4e1c 100644
--- a/src/main/c/Snake/snake_start.h
+++ b/src/main/c/Snake/snake_start.h
@@ -1,6 +1,20 @@
 #ifndef SNAKE_START_H
 #define SNAKE_START_H
 
+#define HEIGHT 15
+#define WIDTH 15
+#define AREA HEIGHT * WIDTH
+
+typedef struct{
+    signed char direction[2];
+    char length;
+    unsigned char segments[AREA];
+}Snake;
+
+
 void snake_start();
+Snake initialize_snake();
+int part_of_snake(Snake *snake, unsigned char tile);
+
 
 #endif // SNAKE_START_H
\ No newline at end of file
diff --git a/test/Snake/test_part_of_snake.c b/test/Snake/test_part_of_snake.c
new file mode 100644
index 0000000..5dfad8b
--- /dev/null
+++ b/test/Snake/test_part_of_snake.c
@@ -0,0 +1,38 @@
+#ifdef TEST
+#include "unity.h"
+#include "../../src/main/c/Snake/snake_start.h"
+
+
+void setUp(void){
+    //Wenn Funktion Vorraussetzungen braucht
+}
+void tearDown(void){
+}
+
+
+void test_find_head(void){
+    /* arrange */
+    int result;
+    Snake snake = initialize_snake();
+
+    /* act */
+    result = part_of_snake(&snake, 8 * 16 + 8);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(0, result);//head is at 8/8
+}
+
+
+void test_get_correct_index(void){
+    /* arrange */
+    int result;
+    Snake snake = initialize_snake();
+
+    /* act */
+    result = part_of_snake(&snake, 8 * 16 + 6);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(2, result);//2. part ist at 6/8
+}
+
+#endif // TEST
\ No newline at end of file