public void test13935() {
OptionGroup directions = new OptionGroup();
Option left = new Option("l", "left", false, "go left");
Option right = new Option("r", "right", false, "go right");
Option straight = new Option("s", "straight", false, "go straight");
Option forward = new Option("f", "forward", false, "go forward");
forward.setRequired(true);
directions.addOption(left);
directions.addOption(right);
directions.setRequired(true);
Options opts = new Options();
opts.addOptionGroup(directions);
opts.addOption(straight);
CommandLineParser parser = new PosixParser();
boolean exception = false;
String[] args = new String[] {};
try {
CommandLine line = parser.parse(opts, args);
} catch (ParseException exp) {
exception = true;
}
if (!exception) {
fail("Expected exception not caught.");
}
exception = false;
args = new String[] {"-s"};
try {
CommandLine line = parser.parse(opts, args);
} catch (ParseException exp) {
exception = true;
}
if (!exception) {
fail("Expected exception not caught.");
}
exception = false;
args = new String[] {"-s", "-l"};
try {
CommandLine line = parser.parse(opts, args);
} catch (ParseException exp) {
fail("Unexpected exception: " + exp.getClass().getName() + ":" + exp.getMessage());
}
opts.addOption(forward);
args = new String[] {"-s", "-l", "-f"};
try {
CommandLine line = parser.parse(opts, args);
} catch (ParseException exp) {
fail("Unexpected exception: " + exp.getClass().getName() + ":" + exp.getMessage());
}
}
