Test SysMessageID.toString

mq/main/comm-io/src/test/java/com/sun/messaging/jmq/io/SysMessageID_toString_Test.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0, which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * This Source Code may also be made available under the following Secondary
+ * Licenses when the conditions for such availability set forth in the
+ * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
+ * version 2 with the GNU Classpath Exception, which is available at
+ * https://www.gnu.org/software/classpath/license.html.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+ */
+
+package com.sun.messaging.jmq.io;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.jupiter.api.Test;
+
+class SysMessageID_toString_Test {
+    @Test
+    void testToStringOfUninitialized() {
+        var sysMessageId = new SysMessageID();
+
+        assertThat(sysMessageId.toString()).isEqualTo("0-0.0.0.0-0-0");
+    }
+
+    @Test
+    void testToStringOfManuallyInitialized() {
+        var sysMessageId = new SysMessageID();
+        sysMessageId.setSequence(10);
+        sysMessageId.setIPAddress(new byte [] { 127, 76, 76, 0 });
+        sysMessageId.setPort(8076);
+        sysMessageId.setTimestamp(500300400);
+
+        assertThat(sysMessageId.toString()).isEqualTo("10-127.76.76.0-8076-500300400");
+    }
+
+    @Test
+    void testToStringOfManuallyInitializedToMaxLength() {
+        var sysMessageId = new SysMessageID();
+        sysMessageId.setSequence(2147483647);
+        sysMessageId.setIPAddress(new byte [] { 127, -100, 100, 100 });
+        sysMessageId.setPort(2147483647);
+        sysMessageId.setTimestamp(9223372036854775807L);
+
+        assertThat(sysMessageId.toString()).isEqualTo("2147483647-127.156.100.100-2147483647-9223372036854775807");
+    }
+}