Check that MMCoreJ pom.xml version matches MMCore

(Assisted by Claude Code; any errors are mine.)

Author: marktsuchida

MMCoreJ_wrap/src/test/java/mmcorej/VersionConsistencyIT.java

@@ -0,0 +1,38 @@
+package mmcorej;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.io.InputStream;
+import java.util.Properties;
+import org.junit.jupiter.api.Test;
+
+class VersionConsistencyIT {
+
+    @Test
+    void pomVersionMatchesCMMCoreVersion() throws Exception {
+
+        String path = "/META-INF/maven/org.micro-manager.mmcorej/MMCoreJ/pom.properties";
+        Properties props = new Properties();
+        try (InputStream is = getClass().getResourceAsStream(path)) {
+            assertNotNull(is, "pom.properties not found at " + path);
+            props.load(is);
+        }
+
+        String version = props.getProperty("version");
+        assertNotNull(version, "version property not found in pom.properties");
+        String[] parts = version.split("\\.");
+        assertEquals(3, parts.length,
+            "Expected version format major.minor.patch, got: " + version);
+
+        int pomMajor = Integer.parseInt(parts[0]);
+        int pomMinor = Integer.parseInt(parts[1]);
+        int pomPatch = Integer.parseInt(parts[2]);
+
+        assertEquals(pomMajor, CMMCore.getMMCoreVersionMajor(),
+            "Major version mismatch between CMMCore and pom.xml");
+        assertEquals(pomMinor, CMMCore.getMMCoreVersionMinor(),
+            "Minor version mismatch between CMMCore and pom.xml");
+        assertEquals(pomPatch, CMMCore.getMMCoreVersionPatch(),
+            "Patch version mismatch between CMMCore and pom.xml");
+    }
+}