Legger til en TileType enum og tester

src/main/java/inf112/fiasko/roborally/abstractions/TileType.java

@@ -0,0 +1,62 @@
+package inf112.fiasko.roborally.abstractions;
+
+/**
+ * This enum represents all possible tile types
+ */
+public enum TileType {
+    TILE (1),
+    HOLE (2),
+    COGWHEEL_RIGHT (3),
+    COGWHEEL_LEFT (4),
+    TRANSPORT_BAND_SLOW (5),
+    TRANSPORT_BAND_SLOW_RIGHT (6),
+    TRANSPORT_BAND_SLOW_LEFT (7),
+    TRANSPORT_BAND_SLOW_SIDE_ENTRANCES (8),
+    TRANSPORT_BAND_SLOW_SIDE_ENTRANCE_LEFT (9),
+    TRANSPORT_BAND_SLOW_SIDE_ENTRANCE_RIGHT (10),
+    TRANSPORT_BAND_FAST (11),
+    TRANSPORT_BAND_FAST_RIGHT (12),
+    TRANSPORT_BAND_FAST_LEFT (13),
+    TRANSPORT_BAND_FAST_SIDE_ENTRANCES (14),
+    TRANSPORT_BAND_FAST_SIDE_ENTRANCE_LEFT (15),
+    TRANSPORT_BAND_FAST_SIDE_ENTRANCE_RIGHT (16),
+    FLAG_1 (17),
+    FLAG_2 (18),
+    FLAG_3 (19),
+    FLAG_4 (20),
+    WRENCH (21),
+    WRENCH_AND_HAMMER (22),
+    DEATH_TILE (23);
+
+    private final int tileTypeID;
+
+    /**
+     * Constructor to let a tile type be represented by a numerical identifier
+     * @param tileTypeID <p>The numerical identifier assigned to the tile type</p>
+     */
+    TileType(int tileTypeID) {
+        this.tileTypeID = tileTypeID;
+    }
+
+    /**
+     * Gets the numerical id used for alternate identification of a tile type
+     * @return <p>The numerical id of the tile</p>
+     */
+    public int getTileTypeID() {
+        return this.tileTypeID;
+    }
+
+    /**
+     * Gets a tile type value from its numerical representation
+     * @param tileTypeID <p>The numerical representation of a tile tpye</p>
+     * @return <p>The enum value representing the tile type</p>
+     */
+    public static TileType getTileTypeFromID(int tileTypeID) {
+        for (TileType type : TileType.values()) {
+            if (type.tileTypeID == tileTypeID) {
+                return type;
+            }
+        }
+        return null;
+    }
+}

src/test/java/inf112/fiasko/roborally/TileTypeTest.java

@@ -0,0 +1,36 @@
+package inf112.fiasko.roborally;
+
+import inf112.fiasko.roborally.abstractions.TileType;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+public class TileTypeTest {
+    @Test
+    public void getTileTypeIDForHole() {
+        assertEquals(2, TileType.HOLE.getTileTypeID());
+    }
+    @Test
+    public void getTileTypeFromHoleID() {
+        assertEquals(TileType.HOLE, TileType.getTileTypeFromID(2));
+    }
+    @Test
+    public void getTileTypeIDForWrench() {
+        assertEquals(21, TileType.WRENCH.getTileTypeID());
+    }
+    @Test
+    public void getTileTypeFromWrenchID() {
+        assertEquals(TileType.WRENCH, TileType.getTileTypeFromID(21));
+    }
+    @Test
+    public void allTileTypesIDConversionToIDAndBack() {
+        for (TileType type : TileType.values()) {
+            assertEquals(type, TileType.getTileTypeFromID(type.getTileTypeID()));
+        }
+    }
+    @Test
+    public void invalidTileTypeIDReturnsNull() {
+        assertNull(TileType.getTileTypeFromID(-1));
+    }
+}