diff --git a/test/jrummikub/util/MockEvent.java b/test/jrummikub/util/MockEvent.java
index 85f2c28..2f0efe5 100644
--- a/test/jrummikub/util/MockEvent.java
+++ b/test/jrummikub/util/MockEvent.java
@@ -4,14 +4,20 @@ import java.util.HashSet;
 
 public class MockEvent implements IEvent {
 	public HashSet<IListener> listeners = new HashSet<IListener>();
-	
-	@Override
-  public void add(IListener listener) {
-    listeners.add(listener);
-  }
 
-  @Override
-  public void remove(IListener listener) {
-    listeners.remove(listener);
-  }
+	@Override
+	public void add(IListener listener) {
+		listeners.add(listener);
+	}
+
+	@Override
+	public void remove(IListener listener) {
+		listeners.remove(listener);
+	}
+
+	public void emit() {
+		for (IListener listener : listeners) {
+			listener.handle();
+		}
+	}
 }
diff --git a/test/jrummikub/util/MockEvent1.java b/test/jrummikub/util/MockEvent1.java
index 36af527..74cae0f 100644
--- a/test/jrummikub/util/MockEvent1.java
+++ b/test/jrummikub/util/MockEvent1.java
@@ -14,4 +14,10 @@ public class MockEvent1<T> implements IEvent1<T> {
 	public void remove(IListener1<T> listener) {
 		listeners.remove(listener);
 	}
+
+	public void emit(T value) {
+		for (IListener1<T> listener : listeners) {
+			listener.handle(value);
+		}
+	}
 }
diff --git a/test/jrummikub/util/MockEvent2.java b/test/jrummikub/util/MockEvent2.java
index 4f01372..93e8228 100644
--- a/test/jrummikub/util/MockEvent2.java
+++ b/test/jrummikub/util/MockEvent2.java
@@ -14,4 +14,10 @@ public class MockEvent2<T1, T2> implements IEvent2<T1, T2> {
 	public void remove(IListener2<T1, T2> listener) {
 		listeners.remove(listener);
 	}
+
+	public void emit(T1 value1, T2 value2) {
+		for (IListener2<T1, T2> listener : listeners) {
+			listener.handle(value1, value2);
+		}
+	}
 }