Game.java

+ Implementented method PlaceMethod completely
+ Implemented method CheckForTie
* Changed checkForWin into else

Language.java

+ Added outputSeparator()
+ Added outputGameStartedText()
+ Added outputMoveText()

GameTest.java

Added Tests to catch System out printlns

test/GameTest.java

@@ -1,36 +1,77 @@
-import static org.junit.jupiter.api.Assertions.*;
-
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Rule;
+import org.junit.Assert;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
 import java.io.ByteArrayOutputStream;
 import java.io.PrintStream;
 
-
+/**
+ * Klasse GameTest
+ *
+ * Diese Klasse beinhaltet und führt alle Testfälle für die Klasse GameTest aus
+ *
+ */
 class GameTest {
 
-    private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
-    private final ByteArrayOutputStream errContent = new ByteArrayOutputStream();
-    private final PrintStream originalOut = System.out;
-    private final PrintStream originalErr = System.err;
-    
-    @Before
-    public void setUpStreams() {
-        System.setOut(new PrintStream(outContent));
-        System.setErr(new PrintStream(errContent));
+    private final PrintStream standardOut = System.out;
+    private final ByteArrayOutputStream outputStreamCaptor = new ByteArrayOutputStream();
+
+    private Game game = new Game();
+
+    @BeforeEach
+    public void beforeEach() {
+        game = new Game();
+        System.setOut(new PrintStream(outputStreamCaptor));
     }
 
-    @After
-    public void restoreStreams() {
-        System.setOut(originalOut);
-        System.setErr(originalErr);
+    @AfterEach
+    public void tearDown() {
+        System.setOut(standardOut);
     }
 
+
+    // Konstruktive Testfälle
+
+    /**
+     *
+     */
+    @Test
+    public void placeOneField() {
+        game.placeField(1);
+
+    }
+
+
     @Test
-    void checkTest() {
-        System.out.println("hello");
-        assertEquals("hello", outContent.toString());
+    public void testGameShouldbeTie() {
+        game.placeField(1);
+        game.placeField(2);
+        game.placeField(3);
+        game.placeField(5);
+        game.placeField(4);
+        game.placeField(6);
+        game.placeField(8);
+        game.placeField(7);
+        game.placeField(9);
     }
+
+
+    // Destruktive Testfälle
+
+    @Test
+    public void placeNotExistingField() {
+
+        System.out.println("Hello Baeldung Readers!!");
+        System.out.println("Hello Baeldung Readers!!");
+        System.out.println("Hello Baeldung Readers!!");
+        System.out.println("Hello Baeldung Readers!!");
+
+        Assert.assertEquals("Hello Baeldung Readers!!\n" +
+                "Hello Baeldung Readers!!\n" +
+                "Hello Baeldung Readers!!\n" +
+                "Hello Baeldung Readers!!", outputStreamCaptor.toString()
+            .trim());
+    }
+
 }