public void run(CommandExecutor executor) throws ClassNotFoundException {

    // create a classloader and load our special class
    dummyloader = new DummyClassLoader();
    Class<?> c = Class.forName("TestClass", true, dummyloader);
    if (c.getClassLoader() != dummyloader) {
      Assert.fail("TestClass defined by wrong classloader: " + c.getClassLoader());
    }

    OutputAnalyzer output = executor.execute("VM.classloader_stats");
    Iterator<String> lines = output.asLines().iterator();
    while (lines.hasNext()) {
      String line = lines.next();
      Matcher m = clLine.matcher(line);
      if (m.matches()) {
        // verify that DummyClassLoader has loaded 1 class and 1 anonymous class
        if (m.group(4).equals("ClassLoaderStatsTest$DummyClassLoader")) {
          System.out.println("line: " + line);
          if (!m.group(1).equals("1")) {
            Assert.fail("Should have loaded 1 class: " + line);
          }
          checkPositiveInt(m.group(2));
          checkPositiveInt(m.group(3));

          String next = lines.next();
          System.out.println("next: " + next);
          Matcher m1 = anonLine.matcher(next);
          m1.matches();
          if (!m1.group(1).equals("1")) {
            Assert.fail("Should have loaded 1 anonymous class, but found : " + m1.group(1));
          }
          checkPositiveInt(m1.group(2));
          checkPositiveInt(m1.group(3));
        }
      }
    }
  }