Refactoring: Use ParameterizedTest in CoordinateTest

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

@@ -31,4 +31,5 @@ public class Coordinate {
 	public void setState(int state) {
 		this.state = state;
 	}
+
 }

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

@@ -1,8 +1,14 @@
 package de.tims.fleetstorm.matchfield;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
+import java.util.stream.Stream;
+
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
 
 class CoordinateTest {
 
@@ -23,22 +29,18 @@ class CoordinateTest {
 		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);
+	@ParameterizedTest(name = "All Getters/Setters are working")
+	@MethodSource("AllGettersAreWorking")
+	void testGetAndSetForAllStates(String testName, int state, int stateCode, int expectedResult) {
+		coordinate.setState(state);
+		int result = coordinate.getState();
+		assertThat(result).describedAs(testName).isEqualTo(expectedResult);
+	}
 
-		coordinate.setState(Coordinate.EMPTY);
-		assertEquals(coordinate.getState(), Coordinate.EMPTY);
-		assertEquals(coordinate.getState(), 0);
+	static Stream<Arguments> AllGettersAreWorking() {
+		return Stream.of(Arguments.of("State = SHIP", 1, Coordinate.SHIP, Coordinate.SHIP),
+				Arguments.of("State = SHOT", 2, Coordinate.SHOT, Coordinate.SHOT),
+				Arguments.of("State = HIT", 3, Coordinate.HIT, Coordinate.HIT),
+				Arguments.of("State = EMPTY", 0, Coordinate.EMPTY, Coordinate.EMPTY));
 	}
 }