Add some testing

By: Erik Broes <erikbroes@grum.nl>

paper-api/src/main/java/org/bukkit/EntityEffect.java

@@ -1,5 +1,9 @@
 package org.bukkit;
 
+import java.util.Map;
+
+import com.google.common.collect.Maps;
+
 /**
  * A list of all Effects that can happen to entities.
  */
@@ -8,46 +12,73 @@ public enum EntityEffect {
     /**
      * When mobs get hurt.
      */
-    HURT((byte) 2),
+    HURT(2),
 
     /**
      * When a mob dies.
      * <p>
      * <b>This will cause client-glitches!
      */
-    DEATH((byte) 3),
+    DEATH(3),
 
     /**
      * The smoke when taming a wolf fails.
      * <p>
      * Without client-mods this will be ignored if the entity is not a wolf.
      */
-    WOLF_SMOKE((byte) 6),
+    WOLF_SMOKE(6),
 
     /**
      * The hearts when taming a wolf succeeds.
      * <p>
      * Without client-mods this will be ignored if the entity is not a wolf.
      */
-    WOLF_HEARTS((byte) 7),
+    WOLF_HEARTS(7),
 
     /**
      * When a wolf shakes (after being wet).
      * <p>
      * Without client-mods this will be ignored if the entity is not a wolf.
      */
-    WOLF_SHAKE((byte) 8);
+    WOLF_SHAKE(8),
+
+    /**
+     * When a sheep eats a LONG_GRASS block.
+     */
+    SHEEP_EAT(10);
 
     private final byte data;
+    private final static Map<Byte, EntityEffect> BY_DATA = Maps.newHashMap();
 
-    EntityEffect(byte data) {
-        this.data = data;
+    EntityEffect(final int data) {
+        this.data = (byte) data;
     }
 
     /**
-     * @return The data-value that is sent to the client to play this effect.
+     * Gets the EntityEffect with the given data value
+     *
+     * @param data Data value to fetch
+     * @return The {@link EntityEffect} representing the given value, or null if
+     *         it doesn't exist
      */
     public byte getData() {
         return data;
     }
+
+    /**
+     * Gets the EntityEffect with the given data value
+     *
+     * @param data Data value to fetch
+     * @return The {@link EntityEffect} representing the given value, or null if it doesn't exist
+     */
+    public static EntityEffect getByData(final byte data) {
+        return BY_DATA.get(data);
+    }
+
+
+    static {
+        for (EntityEffect entityEffect : values()) {
+            BY_DATA.put(entityEffect.data, entityEffect);
+        }
+    }
 }