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monostate/src/test/java/com/iluwatar/monostate/AppTest.java

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+package com.iluwatar.monostate;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class AppTest {
+
+  @Test
+  public void testSameStateAmonstAllInstances() {
+    LoadBalancer balancer = new LoadBalancer();
+    LoadBalancer balancer2 = new LoadBalancer();
+    balancer.addServer(new Server("localhost", 8085, 6));
+    // Both should have the same number of servers.
+    Assert.assertTrue(balancer.getNoOfServers() == balancer2.getNoOfServers());
+    // Both Should have the same LastServedId
+    Assert.assertTrue(balancer.getLastServedId() == balancer2.getLastServedId());
+  }
+  
+  @Test
+  public void testMain() {
+    String[] args = {};
+    App.main(args);
+    Assert.assertTrue(LoadBalancer.getLastServedId() == 2);
+  }
+
+}