[#60] Publish a stable JPMS automatic module name

pom.xml

@@ -268,6 +268,7 @@
                         </Bundle-SymbolicName>
                         <Bundle-Name>OpenHFT :: ${project.artifactId}</Bundle-Name>
                         <Bundle-Version>${project.version}</Bundle-Version>
+                        <Automatic-Module-Name>net.openhft.hashing</Automatic-Module-Name>
                         <Export-Package>
                             net.openhft.hashing.*;-noimport:=true,
                             !java.*,
@@ -289,6 +290,24 @@
                     </execution>
                 </executions>
             </plugin>
+
+            <plugin>
+                <artifactId>maven-failsafe-plugin</artifactId>
+                <version>3.2.5</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>integration-test</goal>
+                            <goal>verify</goal>
+                        </goals>
+                        <configuration>
+                            <systemPropertyVariables>
+                                <packaged.jar>${project.build.directory}/${project.build.finalName}.jar</packaged.jar>
+                            </systemPropertyVariables>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>
 

src/test/java/net/openhft/hashing/AutomaticModuleNameIT.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2013-2025 chronicle.software; SPDX-License-Identifier: Apache-2.0
+ */
+package net.openhft.hashing;
+
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.jar.Attributes;
+import java.util.jar.JarFile;
+import java.util.jar.Manifest;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+public class AutomaticModuleNameIT {
+
+    private static final String EXPECTED_MODULE_NAME = "net.openhft.hashing";
+
+    @Test
+    public void packagedJarDeclaresAutomaticModuleName() throws IOException {
+        final String packagedJarPath = System.getProperty("packaged.jar");
+        assertNotNull("packaged.jar system property", packagedJarPath);
+
+        final File packagedJar = new File(packagedJarPath);
+        assertTrue("Packaged JAR does not exist: " + packagedJar, packagedJar.isFile());
+
+        try (JarFile jarFile = new JarFile(packagedJar)) {
+            final Manifest manifest = jarFile.getManifest();
+            assertNotNull("Packaged JAR has no manifest: " + packagedJar, manifest);
+            final Attributes attributes = manifest.getMainAttributes();
+            assertEquals(EXPECTED_MODULE_NAME, attributes.getValue("Automatic-Module-Name"));
+        }
+    }
+}