test/jdk/tools/launcher/TestSpecialArgs.java

@@ -244,10 +244,14 @@
         // resolution is performed by the JVM.
         tr = doExec(javaCmd, "AbsentClass", "-XX:NativeMemoryTracking=summary");
         if (!tr.contains("Error: Could not find or load main class AbsentClass")) {
             throw new RuntimeException("Test Fails");
         }
+
+        // Make sure we handle correctly the module long form (--module=)
+        tr = doExec(javaCmd, "-XX:NativeMemoryTracking=summary", "--module=jdk.compiler/com.sun.tools.javac.Main", "--help");
+        ensureNoWarnings(tr);
     }
 
     void ensureNoWarnings(TestResult tr) {
         checkTestResult(tr);
         if (tr.contains("warning: Native Memory Tracking")) {