Add a test to make sure all packets are registered

ProtocolLib/src/main/java/com/comphenix/protocol/PacketType.java

@@ -523,6 +523,7 @@ public class PacketType implements Serializable, Comparable<PacketType> {
 	private final int currentId;
 	private final int legacyId;
 	private final MinecraftVersion version;
+	private final boolean dynamic;
 
 	/**
 	 * Retrieve the current packet/legacy lookup.
@@ -678,7 +679,7 @@ public class PacketType implements Serializable, Comparable<PacketType> {
 		PacketType type = getLookup().getFromCurrent(protocol, sender, packetId);
 
 		if (type == null) {
-			type = new PacketType(protocol, sender, packetId, legacyId);
+			type = new PacketType(protocol, sender, packetId, legacyId, PROTOCOL_VERSION, true);
 
 			// Many may be scheduled, but only the first will be executed
 			scheduleRegister(type, "Dynamic-" + UUID.randomUUID().toString());
@@ -797,11 +798,25 @@ public class PacketType implements Serializable, Comparable<PacketType> {
 	 * @param version - the version of the current ID.
 	 */
 	public PacketType(Protocol protocol, Sender sender, int currentId, int legacyId, MinecraftVersion version) {
+		this(protocol, sender, currentId, legacyId, version, false);
+	}
+
+	/**
+	 * Construct a new packet type.
+	 * @param protocol - the current protocol.
+	 * @param sender - client or server.
+	 * @param currentId - the current packet ID.
+	 * @param legacyId - the legacy packet ID.
+	 * @param version - the version of the current ID.
+	 * @param dynamic - if this type was created dynamically.
+	 */
+	public PacketType(Protocol protocol, Sender sender, int currentId, int legacyId, MinecraftVersion version, boolean dynamic) {
 		this.protocol = Preconditions.checkNotNull(protocol, "protocol cannot be NULL");
 		this.sender = Preconditions.checkNotNull(sender, "sender cannot be NULL");
 		this.currentId = currentId;
 		this.legacyId = legacyId;
 		this.version = version;
+		this.dynamic = dynamic;
 	}
 
 	/**
@@ -903,6 +918,14 @@ public class PacketType implements Serializable, Comparable<PacketType> {
 		return legacyId;
 	}
 
+	/**
+	 * Whether or not this packet was dynamically created (ie we don't have it registered)
+	 * @return True if dnyamic, false if not.
+	 */
+	public boolean isDynamic() {
+		return dynamic;
+	}
+
 	@Override
 	public int hashCode() {
 		return Objects.hashCode(protocol, sender, currentId, legacyId);

ProtocolLib/src/test/java/com/comphenix/protocol/PacketTypeTest.java

@@ -1,14 +1,20 @@
 package com.comphenix.protocol;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+import java.util.Map;
+import java.util.Map.Entry;
 
 import org.junit.BeforeClass;
 import org.junit.Test;
 
 import com.comphenix.protocol.PacketType.Protocol;
 import com.comphenix.protocol.PacketType.Sender;
+import com.comphenix.protocol.injector.netty.NettyProtocolRegistry;
 
 public class PacketTypeTest {
+
 	@BeforeClass
 	public static void initializeReflection() throws IllegalAccessException {
 		BukkitInitialization.initializePackage();
@@ -18,4 +24,18 @@ public class PacketTypeTest {
 	public void testFindCurrent() {
 		assertEquals(PacketType.Play.Client.STEER_VEHICLE, PacketType.findCurrent(Protocol.PLAY, Sender.CLIENT, 12));
 	}
+
+	@Test
+	public void ensureAllExist() {
+		NettyProtocolRegistry registry = new NettyProtocolRegistry();
+		Map<PacketType, Class<?>> lookup = registry.getPacketTypeLookup();
+		for (Entry<PacketType, Class<?>> entry : lookup.entrySet()) {
+			PacketType type = entry.getKey();
+			Class<?> clazz = entry.getValue();
+
+			if (type.isDynamic()) {
+				fail("Packet " + clazz + " does not have a corresponding PacketType!");
+			}
+		}
+	}
 }