diff --git a/src/c/ticTacToe.c b/src/c/ticTacToe.c
new file mode 100644
index 0000000..610a8ec
--- /dev/null
+++ b/src/c/ticTacToe.c
@@ -0,0 +1,903 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+
+#include "ticTacToe.h"
+
+
+void printPrompt(){
+    printf("Let's play Tic Tac Toe. You will use O, I will use X.\nJust enter the number of the field you choose as row col.\nYou start.\n");
+}
+
+void printField(char field[3][3]){
+    for (int i = 0; i < 3; i++){
+        for (int j = 0; j < 3; j++){
+            printf("%c", field[i][j]);
+            if (j < 2) {
+                printf("|");
+            }
+        }
+        printf("\n");
+    }
+    printf("/n");
+}
+
+void initField(char field[3][3]) {
+    for (int i = 0; i < 3; i++) {
+        for (int j = 0; j < 3; j++) {
+            field[i][j] = '-';
+        }
+    }
+}
+
+void getPlayerInput(char field[3][3]){
+    int row, col;
+    bool valid = false;
+    while (!valid){
+        printf("Enter the field as row col: ");
+        scanf("%d %d", &row, &col);
+        row -= 1;
+        col -= 1;
+        if(validatePlayerInput(row, col)){
+            field[row][col] = 'O';
+            valid = validatePlayerInput(row, col);
+        }
+    }
+}
+
+bool validatePlayerInput(int row, int col){
+    if (row < 3 && row >= 0){
+        if (col < 3 && col >= 0){
+            return true;
+        }
+    }
+    return false;
+}
+
+int wasGameWon(char field[3][3]){
+    int winner = NOWINNERYET;
+    bool fieldFull = true;
+    for (int i = 0; i < 3; i++){
+        for (int j = 0; j < 3; j++){
+            if(field[i][j]=='-'){
+                fieldFull = false;
+            }
+        }
+    }
+    if (fieldFull == true) winner = DRAW; 
+    if(field[0][0] == 'O' || field[0][0] == 'X'){
+        if (field[0][0] == field[0][1] && field[0][2] == field[0][1]){
+            if (field[0][0] == 'O'){
+                winner = PLAYER;
+            }
+            else if (field[0][0] == 'X'){
+                winner = COMPUTER;
+            }
+        }
+        if (field[0][0] == field[1][0] && field[1][0] == field[2][0]){
+            if (field[0][0] == 'O'){
+                winner = PLAYER;
+            }
+            else if (field[0][0] == 'X'){
+                winner = COMPUTER;
+            }
+        }
+        if (field[0][0] == field[1][1] && field[1][1] == field[2][2]){
+            if (field[0][0] == 'O'){
+                winner = PLAYER;
+            }
+            else if (field[0][0] == 'X'){
+                winner = COMPUTER;
+            }
+        }
+    }
+    if(field[2][2] == 'O' || field[2][2] == 'X'){
+        if (field[2][2] == field[2][1] && field[2][2] == field[2][0]){
+            if (field[2][2] == 'O'){
+                winner = PLAYER;
+            }
+            else if (field[2][2] == 'X'){
+                winner = COMPUTER;
+            }
+        }
+        if (field[2][2] == field[1][2] && field[1][2] == field[0][2]){
+            if (field[2][2] == 'O'){
+                winner = PLAYER;
+            }
+            else if (field[2][2] == 'X'){
+                winner = COMPUTER;
+            }
+        }
+    }
+    if(field[1][1] == 'O' || field[1][1] == 'X'){
+        if (field[1][1] == field[0][1] && field[0][1] == field[2][1]){
+            if (field[1][1] == 'O'){
+                winner = PLAYER;
+            }
+            else if (field[1][1] == 'X'){
+                winner = COMPUTER;
+            }
+        }
+        if (field[1][1] == field[1][0] && field[1][0] == field[1][2]){
+            if (field[1][1] == 'O'){
+                winner = PLAYER;
+            }
+            else if (field[1][1] == 'X'){
+                winner = COMPUTER;
+            }
+        }
+         if (field[2][0] == field[1][1] && field[1][1] == field[0][2]){
+            if (field[1][1] == 'O'){
+                winner = PLAYER;
+            }
+            else if (field[1][1] == 'X'){
+                winner = COMPUTER;
+            }
+        }
+    }
+    return winner;
+}
+
+void getComputerInput(char field[3][3]){
+    bool symbolSet = false, *pt = &symbolSet;
+    fillAlmostFull(field, pt);
+    while (!symbolSet){
+        int row, col;
+        row = rand() % 3;
+        col = rand() % 3;
+        if (field[row][col] == '-'){
+            field[row][col] = 'X';
+            symbolSet = true;
+        }
+    }
+}
+
+
+void fillAlmostFull(char field[3][3], bool* pt) {
+    if (field[0][0] == 'X') {
+        if (field[0][1] == 'X') {
+            if( field[0][2] == '-'){
+                field[0][2] = 'X';
+                *pt = true;
+                return;
+            }
+        }
+        else if (field[0][2] == 'X') {
+            if( field[0][1] == '-'){
+                field[0][1] = 'X';
+                *pt = true;
+                return;
+            }
+        }
+        else if (field[1][0] == 'X') {
+            if( field[2][0] == '-'){ 
+                field[2][0] = 'X';
+                *pt = true;
+                return;
+            }
+        }
+        else if (field[2][0] == 'X') {
+            if( field[1][0] == '-'){ 
+                field[1][0] = 'X';
+                *pt = true;
+                return;
+            }
+        }
+        else if (field[1][1] == 'X') {
+            if( field[2][2] == '-'){ 
+            field[2][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][2] == 'X') {
+            if( field[1][1] == '-'){ 
+            field[1][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+    if (field[0][1] == 'X') {
+        if (field[0][0] == 'X') {
+            if( field[0][2] == '-'){
+                field[0][2] = 'X';
+                *pt = true;
+                return;
+            }
+        }
+        else if (field[0][2] == 'X') {
+            if( field[0][0] == '-'){
+            field[0][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][1] == 'X') {
+            if( field[2][1] == '-'){
+            field[2][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][1] == 'X') {
+            if( field[1][1] == '-'){
+            field[1][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+    if (field[0][2] == 'X') {
+        if (field[0][0] == 'X') {
+            if( field[0][1] == '-'){
+            field[0][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][1] == 'X') {
+            if( field[0][0] == '-'){
+            field[0][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][1] == 'X') {
+            if( field[2][0] == '-'){
+            field[2][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][0] == 'X') {
+            if( field[1][1] == '-'){
+            field[1][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][2] == 'X') {
+            if( field[2][2] == '-'){
+            field[2][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][2] == 'X') {
+            if( field[1][2] == '-'){
+            field[1][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+    if (field[1][0] == 'X') {
+        if (field[1][1] == 'X') {
+            if( field[1][2] == '-'){
+            field[1][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][2] == 'X') {
+            if( field[1][1] == '-'){
+            field[1][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][0] == 'X') {
+            if( field[2][0] == '-'){
+            field[2][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][0] == 'X') {
+            if( field[0][0] == '-'){
+            field[0][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+    if (field[1][1] == 'X') {
+        if (field[1][0] == 'X') {
+            if( field[1][2] == '-'){
+            field[1][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][2] == 'X') {
+            if( field[1][0] == '-'){
+            field[1][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][1] == 'X') {
+            if( field[2][1] == '-'){
+            field[2][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][1] == 'X') {
+            if( field[0][1] == '-'){
+            field[0][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][0] == 'X') {
+            if( field[2][2] == '-'){
+            field[2][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][2] == 'X') {
+            if( field[0][0] == '-'){
+            field[0][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][2] == 'X') {
+            if( field[2][0] == '-'){
+            field[2][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][0] == 'X') {
+            if( field[0][2] == '-'){
+            field[0][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+    if (field[1][2] == 'X') {
+        if (field[1][0] == 'X') {
+            if( field[1][1] == '-'){
+            field[1][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][1] == 'X') {
+            if( field[1][0] == '-'){
+            field[1][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][2] == 'X') {
+            if( field[2][2] == '-'){
+            field[2][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][2] == 'X') {
+            if( field[0][2] == '-'){
+            field[0][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+    if (field[2][0] == 'X') {
+        if (field[2][1] == 'X') {
+            if( field[2][2] == '-'){
+            field[2][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][2] == 'X') {
+            if( field[2][1] == '-'){
+            field[2][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][0] == 'X') {
+            if( field[2][1] == '-'){
+            field[2][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][0] == 'X') {
+            if( field[0][0] == '-'){
+            field[0][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][1] == 'X') {
+            if( field[0][2] == '-'){
+            field[0][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][2] == 'X') {
+            if( field[1][1] == '-'){
+            field[1][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+    if (field[2][1] == 'X') {
+        if (field[2][0] == 'X') {
+            if( field[2][2] == '-'){
+            field[2][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][2] == 'X') {
+            if( field[2][0] == '-'){
+            field[2][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][1] == 'X') {
+            if( field[0][1] == '-'){
+            field[0][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][1] == 'X') {
+            if( field[1][1] == '-'){
+            field[1][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+    if (field[2][2] == 'X') {
+        if (field[2][0] == 'X') {
+            if( field[2][1] == '-'){
+            field[2][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][1] == 'X') {
+            if( field[2][0] == '-'){
+            field[2][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][2] == 'X') {
+            if( field[1][2] == '-'){
+            field[1][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][2] == 'X') {
+            if( field[0][2] == '-'){
+            field[0][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][1] == 'X') {
+            if( field[0][0] == '-'){
+            field[0][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][0] == 'X') {
+            if( field[1][1] == '-'){
+            field[1][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+
+    if (field[0][0] == 'O') {
+        if (field[0][1] == 'O') {
+            if( field[0][2] == '-'){
+                field[0][2] = 'X';
+                *pt = true;
+                return;
+            }
+        }
+        else if (field[0][2] == 'O') {
+            if( field[0][1] == '-'){
+                field[0][1] = 'X';
+                *pt = true;
+                return;
+            }
+        }
+        else if (field[1][0] == 'O') {
+            if( field[2][0] == '-'){ 
+                field[2][0] = 'X';
+                *pt = true;
+                return;
+            }
+        }
+        else if (field[2][0] == 'O') {
+            if( field[1][0] == '-'){ 
+                field[1][0] = 'X';
+                *pt = true;
+                return;
+            }
+        }
+        else if (field[1][1] == 'O') {
+            if( field[2][2] == '-'){ 
+            field[2][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][2] == 'O') {
+            if( field[1][1] == '-'){ 
+            field[1][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+    if (field[0][1] == 'O') {
+        if (field[0][0] == 'O') {
+            if( field[0][2] == '-'){
+                field[0][2] = 'X';
+                *pt = true;
+                return;
+            }
+        }
+        else if (field[0][2] == 'O') {
+            if( field[0][0] == '-'){
+            field[0][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][1] == 'O') {
+            if( field[2][1] == '-'){
+            field[2][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][1] == 'O') {
+            if( field[1][1] == '-'){
+            field[1][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+    if (field[0][2] == 'O') {
+        if (field[0][0] == 'O') {
+            if( field[0][1] == '-'){
+            field[0][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][1] == 'O') {
+            if( field[0][0] == '-'){
+            field[0][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][1] == 'O') {
+            if( field[2][0] == '-'){
+            field[2][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][0] == 'O') {
+            if( field[1][1] == '-'){
+            field[1][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][2] == 'O') {
+            if( field[2][2] == '-'){
+            field[2][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][2] == 'O') {
+            if( field[1][2] == '-'){
+            field[1][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+    if (field[1][0] == 'O') {
+        if (field[1][1] == 'O') {
+            if( field[1][2] == '-'){
+            field[1][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][2] == 'O') {
+            if( field[1][1] == '-'){
+            field[1][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][0] == 'O') {
+            if( field[2][0] == '-'){
+            field[2][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][0] == 'O') {
+            if( field[0][0] == '-'){
+            field[0][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+    if (field[1][1] == 'O') {
+        if (field[1][0] == 'O') {
+            if( field[1][2] == '-'){
+            field[1][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][2] == 'O') {
+            if( field[1][0] == '-'){
+            field[1][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][1] == 'O') {
+            if( field[2][1] == '-'){
+            field[2][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][1] == 'O') {
+            if( field[0][1] == '-'){
+            field[0][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][0] == 'O') {
+            if( field[2][2] == '-'){
+            field[2][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][2] == 'O') {
+            if( field[0][0] == '-'){
+            field[0][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][2] == 'O') {
+            if( field[2][0] == '-'){
+            field[2][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][0] == 'O') {
+            if( field[0][2] == '-'){
+            field[0][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+    if (field[1][2] == 'O') {
+        if (field[1][0] == 'O') {
+            if( field[1][1] == '-'){
+            field[1][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][1] == 'O') {
+            if( field[1][0] == '-'){
+            field[1][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][2] == 'O') {
+            if( field[2][2] == '-'){
+            field[2][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][2] == 'O') {
+            if( field[0][2] == '-'){
+            field[0][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+    if (field[2][0] == 'O') {
+        if (field[2][1] == 'O') {
+            if( field[2][2] == '-'){
+            field[2][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][2] == 'O') {
+            if( field[2][1] == '-'){
+            field[2][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][0] == 'O') {
+            if( field[2][1] == '-'){
+            field[2][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][0] == 'O') {
+            if( field[0][0] == '-'){
+            field[0][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][1] == 'O') {
+            if( field[0][2] == '-'){
+            field[0][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][2] == 'O') {
+            if( field[1][1] == '-'){
+            field[1][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+    if (field[2][1] == 'O') {
+        if (field[2][0] == 'O') {
+            if( field[2][2] == '-'){
+            field[2][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][2] == 'O') {
+            if( field[2][0] == '-'){
+            field[2][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][1] == 'O') {
+            if( field[0][1] == '-'){
+            field[0][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][1] == 'O') {
+            if( field[1][1] == '-'){
+            field[1][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+    if (field[2][2] == 'O') {
+        if (field[2][0] == 'O') {
+            if( field[2][1] == '-'){
+            field[2][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[2][1] == 'O') {
+            if( field[2][0] == '-'){
+            field[2][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][2] == 'O') {
+            if( field[1][2] == '-'){
+            field[1][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][2] == 'O') {
+            if( field[0][2] == '-'){
+            field[0][2] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[1][1] == 'O') {
+            if( field[0][0] == '-'){
+            field[0][0] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+        else if (field[0][0] == 'O') {
+            if( field[1][1] == '-'){
+            field[1][1] = 'X';
+            *pt = true;
+            return;
+            }
+        }
+    }
+}
+
+int play() {
+    printPrompt();
+    int counter = 0;
+    char field[3][3];
+    initField(field);
+    int winner = NOWINNERYET;
+    while (winner == NOWINNERYET) {
+        if (counter % 2 == 0) {
+            printField(field);
+            getPlayerInput(field);
+            winner = wasGameWon(field);
+        }
+        else if (counter % 2 == 1) {
+            printField(field);
+            getComputerInput(field);
+            winner = wasGameWon(field);
+        }
+        counter += 1;
+    }
+    printField(field);
+    printWinner(winner);
+    return winner;
+}
+
+void printWinner(int winner){
+    if(winner == PLAYER){
+        printf("You won\n");
+    }
+    else if(winner == COMPUTER){
+        printf("I won\n");
+    }
+    else if(winner == DRAW){
+        printf("It's a draw\n");
+    }
+}
\ No newline at end of file
diff --git a/src/c/ticTacToe.h b/src/c/ticTacToe.h
new file mode 100644
index 0000000..7033e57
--- /dev/null
+++ b/src/c/ticTacToe.h
@@ -0,0 +1,23 @@
+#ifndef TICTACTOE_H
+#define TICTACTOE_H
+#include <stdbool.h>
+
+enum Winner{
+    PLAYER,
+    COMPUTER,
+    NOWINNERYET,
+    DRAW
+};
+
+void printPrompt();
+void printField(char field[3][3]);
+void initField(char field[3][3]);
+void getPlayerInput(char field[3][3]);
+bool validatePlayerInput(int row, int col);
+int wasGameWon(char field[3][3]);
+void getComputerInput(char field[3][3]);
+void fillAlmostFull(char field[3][3], bool *pt);
+int play();
+void printWinner(int winner);
+
+#endif
\ No newline at end of file
diff --git a/test/c/test_ticTacToe.c b/test/c/test_ticTacToe.c
new file mode 100644
index 0000000..140ce7a
--- /dev/null
+++ b/test/c/test_ticTacToe.c
@@ -0,0 +1,108 @@
+#ifdef TEST
+#include "unity.h"
+#include "ticTacToe.h"
+#include <stdbool.h>
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+void test_ticTacToe_validUserInput(void)
+{
+    /* arrange */
+    bool result;
+    int row = 2, col = 0;
+
+    /* act */
+    result = validatePlayerInput(row, col);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(true, result);
+}
+
+void test_ticTacToe_invalidUserInput(void)
+{
+    /* arrange */
+    bool result;
+    int row = 1, col = 3;
+
+    /* act */
+    result = validatePlayerInput(row, col);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(false, result);
+}
+
+void test_ticTacToe_playerWins(void)
+{
+    /* arrange */
+    int result;
+    char field[][3] = {
+        {'O', 'O', '-'},
+        {'-', 'O', '-'},
+        {'-', '-', 'O'}
+    };
+
+    /* act */
+    result = wasGameWon(field);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(PLAYER, result);
+}
+
+void test_ticTacToe_ComputerWins(void)
+{
+    /* arrange */
+    int result;
+    char field[][3] = {
+        {'X', '-', '-'},
+        {'X', '-', '-'},
+        {'X', '-', '-'}
+    };
+
+    /* act */
+    result = wasGameWon(field);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(COMPUTER, result);
+}
+
+void test_ticTacToe_NooneWins(void)
+{
+    /* arrange */
+    int result;
+    char field[][3] = {
+        {'X', 'O', 'O'},
+        {'O', 'X', 'X'},
+        {'X', 'O', 'O'}
+    };
+
+    /* act */
+    result = wasGameWon(field);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(DRAW, result);
+}
+
+void test_ticTacToe_NoWinnerYet(void)
+{
+    /* arrange */
+    int result;
+    char field[][3] = {
+        {'X', 'O', 'O'},
+        {'O', '-', 'X'},
+        {'X', 'O', 'O'}
+    };
+
+    /* act */
+    result = wasGameWon(field);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(NOWINNERYET, result);
+}
+
+#endif // TEST
\ No newline at end of file