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// Copyright Sascha Ochsenknecht 2009.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <boost/program_options/parsers.hpp>
#include <boost/program_options/options_description.hpp>
#include <boost/program_options/variables_map.hpp>
#include <boost/program_options/cmdline.hpp>
using namespace boost::program_options;
#include <iostream>
#include <sstream>
#include <vector>
#include <cassert>
using namespace std;
#include "minitest.hpp"
void test_ambiguous()
{
options_description desc;
desc.add_options()
("cfgfile,c", value<string>()->multitoken(), "the config file")
("output,c", value<string>(), "the output file")
("output,o", value<string>(), "the output file")
;
const char* cmdline[] = {"program", "-c", "file", "-o", "anotherfile"};
variables_map vm;
try {
store(parse_command_line(sizeof(cmdline)/sizeof(const char*),
const_cast<char**>(cmdline), desc), vm);
}
catch (ambiguous_option& e)
{
BOOST_CHECK_EQUAL(e.alternatives().size(), 2);
BOOST_CHECK_EQUAL(e.get_option_name(), "-c");
BOOST_CHECK_EQUAL(e.alternatives()[0], "cfgfile");
BOOST_CHECK_EQUAL(e.alternatives()[1], "output");
}
}
void test_ambiguous_long()
{
options_description desc;
desc.add_options()
("cfgfile,c", value<string>()->multitoken(), "the config file")
("output,c", value<string>(), "the output file")
("output,o", value<string>(), "the output file")
;
const char* cmdline[] = {"program", "--cfgfile", "file", "--output", "anotherfile"};
variables_map vm;
try {
store(parse_command_line(sizeof(cmdline)/sizeof(const char*),
const_cast<char**>(cmdline), desc), vm);
}
catch (ambiguous_option& e)
{
BOOST_CHECK_EQUAL(e.alternatives().size(), 2);
BOOST_CHECK_EQUAL(e.get_option_name(), "--output");
BOOST_CHECK_EQUAL(e.alternatives()[0], "output");
BOOST_CHECK_EQUAL(e.alternatives()[1], "output");
}
}
void test_ambiguous_multiple_long_names()
{
options_description desc;
desc.add_options()
("cfgfile,foo,c", value<string>()->multitoken(), "the config file")
("output,foo,o", value<string>(), "the output file")
;
const char* cmdline[] = {"program", "--foo", "file"};
variables_map vm;
try {
store(parse_command_line(sizeof(cmdline)/sizeof(const char*),
const_cast<char**>(cmdline), desc), vm);
}
catch (ambiguous_option& e)
{
BOOST_CHECK_EQUAL(e.alternatives().size(), 2);
BOOST_CHECK_EQUAL(e.get_option_name(), "--foo");
BOOST_CHECK_EQUAL(e.alternatives()[0], "cfgfile");
BOOST_CHECK_EQUAL(e.alternatives()[1], "output");
}
}
void test_unknown_option()
{
options_description desc;
desc.add_options()
("cfgfile,c", value<string>(), "the configfile")
;
const char* cmdline[] = {"program", "-c", "file", "-f", "anotherfile"};
variables_map vm;
try {
store(parse_command_line(sizeof(cmdline)/sizeof(const char*),
const_cast<char**>(cmdline), desc), vm);
}
catch (unknown_option& e)
{
BOOST_CHECK_EQUAL(e.get_option_name(), "-f");
BOOST_CHECK_EQUAL(string(e.what()), "unrecognised option '-f'");
}
}
void test_multiple_values()
{
options_description desc;
desc.add_options()
("cfgfile,c", value<string>()->multitoken(), "the config file")
("output,o", value<string>(), "the output file")
;
const char* cmdline[] = { "program", "-o", "fritz", "hugo", "--cfgfile", "file", "c", "-o", "text.out" };
variables_map vm;
try {
store(parse_command_line(sizeof(cmdline)/sizeof(const char*),
const_cast<char**>(cmdline), desc), vm);
notify(vm);
}
catch (validation_error& e)
{
// TODO: this is currently validation_error, shouldn't it be multiple_values ???
//
// multiple_values is thrown only at one place untyped_value::xparse(),
// but I think this can never be reached
// because: untyped_value always has one value and this is filtered before reach specific
// validation and parsing
//
BOOST_CHECK_EQUAL(e.get_option_name(), "--cfgfile");
BOOST_CHECK_EQUAL(string(e.what()), "option '--cfgfile' only takes a single argument");
}
}
void test_multiple_occurrences()
{
options_description desc;
desc.add_options()
("cfgfile,c", value<string>(), "the configfile")
;
const char* cmdline[] = {"program", "--cfgfile", "file", "-c", "anotherfile"};
variables_map vm;
try {
store(parse_command_line(sizeof(cmdline)/sizeof(const char*),
const_cast<char**>(cmdline), desc), vm);
notify(vm);
}
catch (multiple_occurrences& e)
{
BOOST_CHECK_EQUAL(e.get_option_name(), "--cfgfile");
BOOST_CHECK_EQUAL(string(e.what()), "option '--cfgfile' cannot be specified more than once");
}
}
void test_multiple_occurrences_with_different_names()
{
options_description desc;
desc.add_options()
("cfgfile,config-file,c", value<string>(), "the configfile")
;
const char* cmdline[] = {"program", "--config-file", "file", "--cfgfile", "anotherfile"};
variables_map vm;
try {
store(parse_command_line(sizeof(cmdline)/sizeof(const char*),
const_cast<char**>(cmdline), desc), vm);
notify(vm);
}
catch (multiple_occurrences& e)
{
BOOST_CHECK( (e.get_option_name() == "--cfgfile") || (e.get_option_name() == "--config-file"));
BOOST_CHECK(
(string(e.what()) == "option '--cfgfile' cannot be specified more than once") ||
(string(e.what()) == "option '--config-file' cannot be specified more than once")
);
}
}
void test_multiple_occurrences_with_non_key_names()
{
options_description desc;
desc.add_options()
("cfgfile,config-file,c", value<string>(), "the configfile")
;
const char* cmdline[] = {"program", "--config-file", "file", "-c", "anotherfile"};
variables_map vm;
try {
store(parse_command_line(sizeof(cmdline)/sizeof(const char*),
const_cast<char**>(cmdline), desc), vm);
notify(vm);
}
catch (multiple_occurrences& e)
{
BOOST_CHECK_EQUAL(e.get_option_name(), "--cfgfile");
BOOST_CHECK_EQUAL(string(e.what()), "option '--cfgfile' cannot be specified more than once");
}
}
void test_missing_value()
{
options_description desc;
desc.add_options()
("cfgfile,c", value<string>()->multitoken(), "the config file")
("output,o", value<string>(), "the output file")
;
// missing value for option '-c'
const char* cmdline[] = { "program", "-c", "-c", "output.txt"};
variables_map vm;
try {
store(parse_command_line(sizeof(cmdline)/sizeof(const char*),
const_cast<char**>(cmdline), desc), vm);
notify(vm);
}
catch (invalid_command_line_syntax& e)
{
BOOST_CHECK_EQUAL(e.kind(), invalid_syntax::missing_parameter);
BOOST_CHECK_EQUAL(e.tokens(), "--cfgfile");
}
}
int main(int /*ac*/, char** /*av*/)
{
test_ambiguous();
test_ambiguous_long();
test_ambiguous_multiple_long_names();
test_unknown_option();
test_multiple_values();
test_multiple_occurrences();
test_multiple_occurrences_with_different_names();
test_multiple_occurrences_with_non_key_names();
test_missing_value();
return 0;
}
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