test/jdk/tools/launcher/TestSpecialArgs.java

*** 244,253 ****
--- 244,257 ----
          // 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")) {