public void test_aLotOfArgumentsMergedWithPropertyFile() throws Exception {
    String[] twoArgs = new String[] {"-login", "overridedLogin"};
    CommandLineArguments arguments = new CommandLineArguments(twoArgs);

    arguments.loadProperty(getPropertyFile());

    assertEquals(2, arguments.size());
    assertEquals("overridedLogin", arguments.getArgument("login"));
    assertEquals("myvalue", arguments.getArgument("property.defined.in.file"));
  }