add setState

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

@@ -27,4 +27,8 @@ public class Coordinate {
 	public int getState() {
 		return this.state;
 	}
+
+	public void setState(int state) {
+		this.state = state;
+	}
 }

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

@@ -22,4 +22,23 @@ class CoordinateTest {
 		assertEquals(coordinate.getState(), Coordinate.EMPTY);
 		assertEquals(coordinate.getState(), 0);
 	}
+
+	@Test
+	void testGetAndSetForAllStates() {
+		coordinate.setState(Coordinate.SHIP);
+		assertEquals(coordinate.getState(), Coordinate.SHIP);
+		assertEquals(coordinate.getState(), 1);
+
+		coordinate.setState(Coordinate.SHOT);
+		assertEquals(coordinate.getState(), Coordinate.SHOT);
+		assertEquals(coordinate.getState(), 2);
+
+		coordinate.setState(Coordinate.HIT);
+		assertEquals(coordinate.getState(), Coordinate.HIT);
+		assertEquals(coordinate.getState(), 3);
+
+		coordinate.setState(Coordinate.EMPTY);
+		assertEquals(coordinate.getState(), Coordinate.EMPTY);
+		assertEquals(coordinate.getState(), 0);
+	}
 }