1 files changed, 89 insertions, 0 deletions
diff --git a/src/test/java/testing/protocols/BasicMulticastProtocolTest.java b/src/test/java/testing/protocols/BasicMulticastProtocolTest.java
new file mode 100644
index 0000000..e3a03c5
--- /dev/null
+++ b/src/test/java/testing/protocols/BasicMulticastProtocolTest.java
@@ -0,0 +1,89 @@
+package testing.protocols;
+
+import testing.*;
+import org.junit.jupiter.api.*;
+import static org.junit.jupiter.api.Assertions.*;
+
+/**
+ * JUnit test for Basic Multicast protocol using the headless testing framework.
+ */
+@DisplayName("Basic Multicast Protocol Tests")
+public class BasicMulticastProtocolTest {
+    private HeadlessSimulationRunner runner;
+    
+    @BeforeEach
+    public void setup() {
+        runner = new HeadlessSimulationRunner();
+    }
+    
+    @AfterEach
+    public void teardown() {
+        runner.shutdown();
+    }
+    
+    @Test
+    @DisplayName("Test Basic Multicast protocol activation")
+    public void testProtocolActivation() throws Exception {
+        SimulationResult result = runner.runSimulation(
+            "saved-simulations/basic-multicast.dat", 
+            1000
+        );
+        
+        ProtocolVerifier verifier = new ProtocolVerifier()
+            .expectLog("Basic Multicast.*activated")
+            .expectLog("Client activated")
+            .expectLog("Server activated");
+            
+        VerificationResult verification = verifier.verify(result.getAllLogs());
+        
+        assertTrue(verification.passed(), verification.getFailureMessage());
+        assertTrue(result.getMetrics().getNumProcesses() >= 3, 
+                  "Should have at least 3 processes for multicast");
+    }
+    
+    @Test
+    @DisplayName("Test multicast message delivery")
+    public void testMulticastDelivery() throws Exception {
+        SimulationResult result = runner.runSimulation(
+            "saved-simulations/basic-multicast.dat", 
+            3000
+        );
+        
+        // Verify multicast behavior
+        ProtocolVerifier verifier = new ProtocolVerifier()
+            .expectLog("Message sent")
+            .expectLog("Message received")
+            .expectLog("Multicast")
+            .expectNoLog("ERROR")
+            .expectNoLog("failed");
+            
+        VerificationResult verification = verifier.verify(result.getAllLogs());
+        assertTrue(verification.passed(), verification.getFailureMessage());
+        
+        // Check that multiple processes receive messages
+        int sentCount = result.countLogs("Message sent");
+        int receivedCount = result.countLogs("Message received");
+        
+        assertTrue(receivedCount >= sentCount, 
+                  "In multicast, received messages should be >= sent messages");
+    }
+    
+    @Test
+    @DisplayName("Test message ordering")
+    public void testMessageOrdering() throws Exception {
+        SimulationResult result = runner.runSimulation(
+            "saved-simulations/basic-multicast.dat", 
+            2000
+        );
+        
+        // Verify messages are delivered in order
+        var receivedMessages = result.findAll("Message received");
+        
+        long lastTimestamp = -1;
+        for (LogEntry entry : receivedMessages) {
+            assertTrue(entry.getTimestamp() >= lastTimestamp, 
+                      "Messages should be received in chronological order");
+            lastTimestamp = entry.getTimestamp();
+        }
+    }
+}
+\ No newline at end of file