HCOLL-246 added test for - Tcp Replication fails with large values or entries sizes that don't " +

"included internal replication bytes

src/test/java/net/openhft/chronicle/map/TcpReplicationLargeEntryTest.java

@@ -0,0 +1,156 @@
+package net.openhft.chronicle.map;
+
+import net.openhft.chronicle.hash.replication.TcpTransportAndNetworkConfig;
+import net.openhft.lang.io.ByteBufferBytes;
+import net.openhft.lang.model.Byteable;
+import net.openhft.lang.model.DataValueClasses;
+import net.openhft.lang.values.IntValue;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.nio.ByteBuffer;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Random;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * @author Rob Austin.
+ */
+public class TcpReplicationLargeEntryTest {
+
+
+    private ChronicleMap<Integer, CharSequence> map1;
+    private ChronicleMap<Integer, CharSequence> map2;
+    private IntValue value;
+    static int s_port = 8010;
+
+    @Before
+    public void setup() throws IOException {
+        value = DataValueClasses.newDirectReference(IntValue.class);
+        ((Byteable) value).bytes(new ByteBufferBytes(ByteBuffer.allocateDirect(4)), 0);
+
+        final InetSocketAddress endpoint = new InetSocketAddress("localhost", s_port + 1);
+
+        {
+            final TcpTransportAndNetworkConfig tcpConfig1 = TcpTransportAndNetworkConfig.of(s_port,
+                    endpoint).autoReconnectedUponDroppedConnection(true).name("      map1")
+                    .heartBeatInterval(1, TimeUnit.SECONDS)
+                    .packetSize(1024 * 64);
+
+
+            map1 = ChronicleMapBuilder.of(Integer.class, CharSequence.class)
+                    .entries(Builder.SIZE + Builder.SIZE)
+                    .actualSegments(1)
+                    .replication((byte) 1, tcpConfig1)
+                    .instance()
+                    .name("map1")
+                    .create();
+        }
+        {
+            final TcpTransportAndNetworkConfig tcpConfig2 = TcpTransportAndNetworkConfig.of
+                    (s_port + 1).autoReconnectedUponDroppedConnection(true).name("map2")
+                    .heartBeatInterval(1, TimeUnit.SECONDS)
+                    .packetSize(1024 * 64);
+
+            map2 = ChronicleMapBuilder.of(Integer.class, CharSequence.class)
+                    .entries(Builder.SIZE + Builder.SIZE)
+                    .replication((byte) 2, tcpConfig2)
+                    .instance()
+                    .name("map2")
+                    .create();
+
+        }
+        s_port += 2;
+    }
+
+
+    @After
+    public void tearDown() throws InterruptedException {
+
+        for (final Closeable closeable : new Closeable[]{map1, map2}) {
+            try {
+                closeable.close();
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+
+        System.gc();
+    }
+
+    Set<Thread> threads;
+
+    @Before
+    public void sampleThreads() {
+        threads = Thread.getAllStackTraces().keySet();
+    }
+
+    @After
+    public void checkThreadsShutdown() {
+        StatelessClientTest.checkThreadsShutdown(threads);
+    }
+
+
+    @Test
+    public void testSoakTestWithRandomData() throws IOException, InterruptedException {
+
+        System.out.print("SoakTesting ");
+        for (int j = 1; j < 2 * Builder.SIZE; j++) {
+            if (j % 100 == 0)
+                System.out.print(".");
+            Random rnd = new Random(j);
+            for (int i = 1; i < 10; i++) {
+                final int select = rnd.nextInt(2);
+                final ChronicleMap<Integer, CharSequence> map = select > 0 ? map1 : map2;
+
+                if (rnd.nextBoolean()) {
+                    map.put(rnd.nextInt(Builder.SIZE), "test" + j);
+                } else {
+                    map.remove(rnd.nextInt(Builder.SIZE));
+                }
+            }
+        }
+        Thread.sleep(1000);
+        System.out.println("\nwaiting till equal");
+
+        waitTillEqual(10000);
+
+        Assert.assertEquals(map1, map2);
+
+    }
+
+
+    private void waitTillEqual(final int timeOutMs) throws InterruptedException {
+
+        Map map1UnChanged = new HashMap();
+        Map map2UnChanged = new HashMap();
+
+        int numberOfTimesTheSame = 0;
+        for (int t = 0; t < timeOutMs + 100; t++) {
+            if (map1.equals(map2)) {
+                if (map1.equals(map1UnChanged) && map2.equals(map2UnChanged)) {
+                    numberOfTimesTheSame++;
+                } else {
+                    numberOfTimesTheSame = 0;
+                    map1UnChanged = new HashMap(map1);
+                    map2UnChanged = new HashMap(map2);
+                }
+                Thread.sleep(1);
+                if (numberOfTimesTheSame == 100) {
+                    System.out.println("same");
+                    break;
+                }
+
+            }
+            Thread.sleep(1);
+        }
+    }
+}
+