Fix: Above = Right and Below = Left

src/main/java/de/tims/fleetstorm/matchfield/Matchfield.java

@@ -32,26 +32,27 @@ public class Matchfield {
 		this.matchfield[x][y].setState(state);
 	}
 
-	public Coordinate getAbove(Coordinate center) {
+	public Coordinate getRight(Coordinate center) {
+		if (center.getX() == matchfield.length - 1) {
+			return null;
+		}
 		return this.matchfield[center.getX() + 1][center.getY()];
 	}
 
+	public Coordinate getLeft(Coordinate center) {
+		if (center.getX() == 0) {
+			return null;
+		}
+		return this.matchfield[center.getX() - 1][center.getY()];
+	}
+
 	public Coordinate getField(Coordinate coordinate) {
 		return matchfield[coordinate.getX()][coordinate.getY()];
 	}
 
 	public Coordinate getField(int x, int y) {
-		if (x == 0) {
-			return null;
-		}
-		return this.matchfield[x][y];
-	}
 
-	public Coordinate getBelow(Coordinate center) {
-		if (center.getX() == 0) {
-			return null;
-		}
-		return this.matchfield[center.getX() - 1][center.getY()];
+		return this.matchfield[x][y];
 	}
 
 }

src/test/java/de/tims/fleetstorm/matchfield/MatchfieldCreationTest.java

@@ -64,35 +64,35 @@ class MatchfieldCreationTest {
 				Arguments.of("field x:0 y:0 has state SHIP after setState()", 0, 0, Coordinate.SHIP, Coordinate.SHIP));
 	}
 
-	@ParameterizedTest(name = "Get the Coordinate above")
-	@MethodSource("getCoordinateAbove")
+	@ParameterizedTest(name = "Get the Coordinate right")
+	@MethodSource("getCoordinateRight")
 	void testGetAbove(String testName, Matchfield matchfield, Coordinate center, Coordinate expectedResult) {
 
-		Coordinate result = matchfield.getAbove(center);
+		Coordinate result = matchfield.getRight(center);
 		assertThat(result).describedAs(testName).isEqualTo(expectedResult);
 	}
 
-	static Stream<Arguments> getCoordinateAbove() {
+	static Stream<Arguments> getCoordinateRight() {
 		Matchfield matchfield = new Matchfield(10);
 		return Stream.of(
-				Arguments.of("above from (5/5) - should be (6,5)", matchfield, new Coordinate(5, 5),
+				Arguments.of("right from (5/5) - should be (6,5)", matchfield, new Coordinate(5, 5),
 						matchfield.getField(6, 5)),
-				Arguments.of("above from (0/5) - should be null", matchfield, new Coordinate(0, 5), null));
+				Arguments.of("right from (9/5) - should be null", matchfield, new Coordinate(9, 5), null));
 	}
 
-	@ParameterizedTest(name = "Get the Coordinate below")
-	@MethodSource("getCoordinateBelow")
+	@ParameterizedTest(name = "Get the Coordinate left")
+	@MethodSource("getCoordinateLeft")
 	void testGetBelow(String testName, Matchfield matchfield, Coordinate center, Coordinate expectedResult) {
 
-		Coordinate result = matchfield.getBelow(center);
+		Coordinate result = matchfield.getLeft(center);
 		assertThat(result).describedAs(testName).isEqualTo(expectedResult);
 	}
 
-	static Stream<Arguments> getCoordinateBelow() {
+	static Stream<Arguments> getCoordinateLeft() {
 		Matchfield matchfield = new Matchfield(10);
 		return Stream.of(
-				Arguments.of("bewlow from (5/5) - should be (4,5)", matchfield, new Coordinate(5, 5),
+				Arguments.of("left from (5/5) - should be (4,5)", matchfield, new Coordinate(5, 5),
 						matchfield.getField(4, 5)),
-				Arguments.of("bewlow from (0/5) - should be null", matchfield, new Coordinate(0, 5), null));
+				Arguments.of("left from (0/5) - should be null", matchfield, new Coordinate(0, 5), null));
 	}
 }