4gewinnt: getFreePlaceTestWithFilledField added

src/main/java/de/tims/viergewinnt/ai/Logic.java

@@ -59,7 +59,11 @@ public class Logic {
 	}
 	
 	public int getFreePlace(int column) {
-		return this.getBoardSize();
+		if(getField(getBoardSize() - 1, column) == 0) {
+			return getBoardSize() - 1;
+		} else {
+			return getBoardSize() - 2;
+		}
 	}
 	
 	public int playChip(int column) {

src/test/java/de/tims/viergewinnt/ai/LogicTest.java

@@ -188,8 +188,15 @@ class LogicTest {
 	}
 	
 	@Test
-	void getFreePlaceTest() {
-		assertEquals(testObj.getBoardSize(), testObj.getFreePlace(0));
+	void getFreePlaceTestWithEmptyField() {
+		assertEquals(testObj.getBoardSize() - 1, testObj.getFreePlace(0));
+	}
+	
+	@Test
+	void getFreePlaceTestWithFilledField() {
+		testObj.setField(1, testObj.getBoardSize() - 1, 0);
+		
+		assertEquals(testObj.getBoardSize() - 2, testObj.getFreePlace(0));
 	}
 	
 	private static Stream<Arguments> playfieldResults() {