Test no bombs araound tile

src/main/c/Minesweeper/minesweeper_start.c

@@ -25,6 +25,7 @@ void place_bombs(Minesweeper_Board *board);
 bool bomb_in_array(int array[], int bomb, int length);
 void draw_minesweeper(Minesweeper_Board board);
 int open_tile(Minesweeper_Board *board, int tile);
+int number_of_bombs(Minesweeper_Board *board, int tile);
 #pragma endregion
 
 #pragma region Global
@@ -199,5 +200,23 @@ void draw_minesweeper(Minesweeper_Board board){
 
 int open_tile(Minesweeper_Board *board, int tile){
     if(bomb_in_array(board->bombs, tile, board->num_bombs)){return -1;}
+    int num = number_of_bombs(board, tile);
 
+}
+
+int number_of_bombs(Minesweeper_Board *board, int tile){
+    int sum = 0;
+    for(int i = 0; i < 8; i++){
+        int check_tile = tile;
+        if(i < 3 && tile % board->width == 0){continue;}
+        else{check_tile - 1;}
+        if(i > 4 && tile % board->width + 1 == board->width){continue;}
+        else{check_tile + 1;}
+        if(i % 3 == 0 && i != 0 && tile / board->width == 0){continue;}
+        else{check_tile - board->width;}
+        if(i % 3 == 1 && tile / board->width + 1 == height){continue;}
+        else{check_tile + board->width;}
+        if(bomb_in_array(board->bombs, check_tile, board->num_bombs)){sum++;}
+    }
+    return sum;
 }

src/main/c/Minesweeper/minesweeper_start.h

@@ -11,7 +11,9 @@ typedef struct Minesweeper_Board{
 
 
 void minesweeper_start();
+Minesweeper_Board initialize_minesweeper();
 bool bomb_in_array(int array[], int bomb, int length);
+int number_of_bombs(Minesweeper_Board *board, int tile);
 
 
 #endif // MINESWEEPER_START_H

test/Minesweeper/test_number_of_bombs.c

@@ -0,0 +1,24 @@
+#ifdef TEST
+#include "unity.h"
+#include <stdbool.h>
+#include "../../src/main/c/Minesweeper/minesweeper_start.h"
+
+
+void setUp(void){}
+void tearDown(void){}
+
+
+void test_no_bombs_placed_around_tile(void){
+    /* arrange */
+    int result;
+    Minesweeper_Board board = initialize_minesweeper();
+    int tile = 1 + board.width * 1;
+
+    /* act */
+    result = number_of_bombs(&board, tile);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(0, result);//no bombs placed
+}
+
+#endif // TEST