test/hotspot/jtreg/runtime/CommandLine/UnrecognizedVMOption.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2018 Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -21,11 +21,11 @@
  * questions.
  */
 
 /*
  * @test
- * @bug 8006298
+ * @bug 8006298 8204055
  * @summary Using an unrecognized VM option should print the name of the option
  * @library /test/lib
  * @modules java.base/jdk.internal.misc
  *          java.management
  */

@@ -33,13 +33,21 @@
 import jdk.test.lib.process.ProcessTools;
 import jdk.test.lib.process.OutputAnalyzer;
 
 public class UnrecognizedVMOption {
   public static void main(String[] args) throws Exception {
+    // Note: -XX by itself is an unrecognized launcher option, the :
+    // must be present for it to be passed through as a VM option.
+    String[] badOptions = {
+      "",  // empty option
+      "bogus_option",
+    };
+    for (String option : badOptions) {  
     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
-        "-XX:bogus_option", "-version");
+          "-XX:" + option, "-version");
 
     OutputAnalyzer output = new OutputAnalyzer(pb.start());
-    output.shouldContain("Unrecognized VM option 'bogus_option'");
+      output.shouldContain("Unrecognized VM option '" + option + "'");
     output.shouldHaveExitValue(1);
   }
+  }
 }