added unit tests

Author: jlangch

src/main/java/com/github/jlangch/venice/util/ipc/TcpClient.java

@@ -140,7 +140,7 @@ public long getCompressCutoffSize() {
     /**
      * @return return the client's max message size
      */
-    public long getMaximumMessageSize() {
+    public long getMaxMessageSize() {
         if (!opened.get()) {
             throw new VncException(
                    "The max message size cannot be queried if the client has "

src/test/java/com/github/jlangch/venice/util/ipc/TcpClientRuntimeConfigTest.java

@@ -0,0 +1,95 @@
+/*   __    __         _
+ *   \ \  / /__ _ __ (_) ___ ___
+ *    \ \/ / _ \ '_ \| |/ __/ _ \
+ *     \  /  __/ | | | | (_|  __/
+ *      \/ \___|_| |_|_|\___\___|
+ *
+ *
+ * Copyright 2017-2025 Venice
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.github.jlangch.venice.util.ipc;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.Test;
+
+
+public class TcpClientRuntimeConfigTest {
+
+
+    @Test
+    public void test_client_defaults() throws Exception {
+        final TcpServer server = new TcpServer(33333);
+        final TcpClient client = new TcpClient(33333);
+
+        server.start();
+
+        sleep(300);
+
+        client.open();
+
+        try {
+            assertEquals(false, client.isEncrypted());
+            assertEquals(-1, client.getCompressCutoffSize());
+            assertEquals(TcpServer.MESSAGE_LIMIT_MAX, client.getMaxMessageSize());
+        }
+        catch(Exception ex) {
+            // OK
+        }
+        finally {
+            client.close();
+            server.close();
+        }
+    }
+
+    @Test
+    public void test_client_inherit_config() throws Exception {
+        final TcpServer server = new TcpServer(33333);
+        final TcpClient client = new TcpClient(33333);
+
+        server.setEncryption(true);
+        server.setMaxMessageSize(3000);
+        server.setCompressCutoffSize(2000);
+
+        server.start();
+
+        sleep(300);
+
+        client.open();
+
+        try {
+            // check if the client obtained the config from the server
+            assertEquals(false, client.isEncrypted());
+            assertEquals(2000, client.getCompressCutoffSize());
+            assertEquals(3000, client.getMaxMessageSize());
+        }
+        catch(Exception ex) {
+            // OK
+        }
+        finally {
+            client.close();
+            server.close();
+        }
+    }
+
+
+    private void sleep(final long millis) {
+        try {
+            Thread.sleep(millis);
+        }
+        catch (Exception ignore) {
+        }
+    }
+}