Add parent project, convert existing project to Maven module

event-bus-core/src/test/java/dev/kske/eventbus/CancelTest.java

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+package dev.kske.eventbus;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.*;
+
+/**
+ * Tests the event cancellation mechanism of the event bus.
+ *
+ * @author Kai S. K. Engelbart
+ * @author Leon Hofmeister
+ * @since 0.1.0
+ */
+class CancelTest implements EventListener {
+
+	EventBus	bus;
+	int			hits;
+
+	/**
+	 * Constructs an event bus and registers this test instance as an event listener.
+	 *
+	 * @since 0.1.0
+	 */
+	@BeforeEach
+	void registerListener() {
+		bus = new EventBus();
+		bus.registerListener(this);
+	}
+
+	/**
+	 * Tests {@link EventBus#cancel()} with two event handlers, of which the first cancels the
+	 * event.
+	 *
+	 * @since 0.1.0
+	 */
+	@Test
+	void testCancellation() {
+		bus.dispatch(new SimpleEvent());
+		assertEquals(1, hits);
+	}
+
+	@Event(eventType = SimpleEvent.class, priority = 100)
+	void onSimpleFirst() {
+		++hits;
+		bus.cancel();
+	}
+
+	@Event(eventType = SimpleEvent.class, priority = 50)
+	void onSimpleSecond() {
+		++hits;
+	}
+}

event-bus-core/src/test/java/dev/kske/eventbus/DispatchTest.java

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+package dev.kske.eventbus;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import org.junit.jupiter.api.*;
+
+/**
+ * Tests the dispatching mechanism of the event bus.
+ *
+ * @author Kai S. K. Engelbart
+ * @since 0.0.1
+ */
+class DispatchTest implements EventListener {
+
+	EventBus	bus;
+	static int	hits;
+
+	/**
+	 * Constructs an event bus and registers this test instance as an event listener.
+	 *
+	 * @since 0.0.1
+	 */
+	@BeforeEach
+	void registerListener() {
+		bus = new EventBus();
+		bus.registerListener(this);
+	}
+
+	/**
+	 * Tests {@link EventBus#dispatch(IEvent)} with multiple handler priorities, a subtype handler
+	 * and a static handler.
+	 *
+	 * @since 0.0.1
+	 */
+	@Test
+	void testDispatch() {
+		bus.dispatch(new SimpleEventSub());
+		bus.dispatch(new SimpleEvent());
+	}
+
+	@Event(eventType = SimpleEvent.class, includeSubtypes = true, priority = 200)
+	void onSimpleEventFirst() {
+		++hits;
+		assertTrue(hits == 1 || hits == 2);
+	}
+
+	@Event(eventType = SimpleEvent.class, priority = 150)
+	static void onSimpleEventSecond() {
+		++hits;
+		assertEquals(3, hits);
+	}
+
+	@Event(priority = 100)
+	void onSimpleEventThird(SimpleEvent event) {
+		++hits;
+		assertEquals(4, hits);
+	}
+}

event-bus-core/src/test/java/dev/kske/eventbus/SimpleEvent.java

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+package dev.kske.eventbus;
+
+/**
+ * A simple event for testing purposes.
+ *
+ * @author Kai S. K. Engelbart
+ * @since 0.0.1
+ */
+public class SimpleEvent implements IEvent {}

event-bus-core/src/test/java/dev/kske/eventbus/SimpleEventSub.java

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+package dev.kske.eventbus;
+
+/**
+ * Subclass of {@link SimpleEvent} for testing purposes.
+ *
+ * @author Kai S. K. Engelbart
+ * @since 0.0.4
+ */
+public class SimpleEventSub extends SimpleEvent {}