Unit test: programlistingco.004

 1 |    def _check_arg(self, arg)⑤:
   |        if ":" in arg:       ⑥
   |            pos = arg.index(":")
   |            name = arg[0:pos]
 5 |            value = arg[(pos + 1):]
   |            if name in ("-x", "-y", "-r", "-init"):
   |                raise JavaClassRunnerException(
   |                    f"The {arg} option cannot be specified")
   |            if name == "-catalog":
10 |                self.catalogs.append(value)
   |                return
   |            elif name == "-xsl":
   |                self.stylesheet = arg
   |        self._app_args.append(arg)