class StandaloneJUnitRunnerMain {

  public static void main(String... args) {
    PrintStream err = System.err;
    if (args.length == 0) {
      err.println("Usage:");
      err.println("  each argument is a comma separated list of junit testclass names to run in it's own thread");
      err.println("Example:");
      err.println("  Class1 ClassA,ClassB Class2");
      err.println("  Will start 3 threads, where ClassA and ClassB are run in sequence in one thread");
      err.println("System properties:");
      err.println("  -Doutput.dir\tOutput directory for results");
      exit(1);
    }
    try {
      new StandaloneJUnitRunner().main(args);
    } catch (Throwable t) {
      err.println(t.getMessage());
      exit(1);
    }
    exit(0);
  }

}

class StandaloneJUnitRunnerMainTest {

  @Rule
  public ExpectedException expect;

  @Test
  public void testUsage() {

    expect.expectMessage("Exit disabled: 1");
    StandaloneJUnitRunnerMain.main();
  }

}