tictactoe: added generateGUI method

src/main/java/de/tims/tictactoe/GameLogic.java

@@ -1,5 +1,7 @@
 package de.tims.tictactoe;
 
+import javax.swing.JPanel;
+
 public class GameLogic {
 
 	private static final char PLAYER_1 = 'x';
@@ -94,4 +96,9 @@ public class GameLogic {
 		return checkForWin(PLAYER_1) || checkForWin(PLAYER_2);
 	}
 
+	public JPanel generateGUI() {
+		// TODO Auto-generated method stub
+		return new JPanel();
+	}
+
 }

src/test/java/de/tims/tictactoe/GameLogicTest.java

@@ -5,6 +5,8 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import java.util.stream.Stream;
 
+import javax.swing.JPanel;
+
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.TestInstance;
@@ -53,6 +55,14 @@ class GameLogicTest {
 		assertArrayEquals(expectedResult, realResult);
 	}
 	
+	@Test
+	void generateGUITest() {
+		JPanel expectedResult = new JPanel();
+		JPanel realResult = game.generateGUI();
+		
+		assertEquals(expectedResult.getClass(), realResult.getClass());
+	}
+	
 	 @ParameterizedTest(name = "[{index}] {0} -> {2} fields")
 	 @MethodSource("testCasesForCountPlayfields")
 	 void fieldCountTest(String testName, int size, int expectedResult) {