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// Boost string_algo library find_format_test.cpp file ------------------//
// Copyright (c) 2009 Steven Watanabe
// 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)
// See http://www.boost.org for updates, documentation, and revision history.
#include <boost/algorithm/string/find_format.hpp>
#include <boost/algorithm/string/finder.hpp>
#include <boost/algorithm/string/formatter.hpp>
// Include unit test framework
#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp>
#include <boost/test/test_tools.hpp>
// We're only using const_formatter.
template<class Formatter>
struct formatter_result {
typedef boost::iterator_range<const char*> type;
};
template<class Formatter>
struct checked_formatter {
public:
checked_formatter(const Formatter& formatter) : formatter_(formatter) {}
template< typename T >
typename formatter_result<Formatter>::type operator()( const T & s ) const {
BOOST_CHECK( !s.empty() );
return formatter_(s);
}
private:
Formatter formatter_;
};
template<class Formatter>
checked_formatter<Formatter>
make_checked_formatter(const Formatter& formatter) {
return checked_formatter<Formatter>(formatter);
}
void find_format_test()
{
const std::string source = "$replace $replace";
std::string expected = "ok $replace";
std::string output(80, '\0');
std::string::iterator pos =
boost::find_format_copy(
output.begin(),
source,
boost::first_finder("$replace"),
make_checked_formatter(boost::const_formatter("ok")));
BOOST_CHECK(pos == output.begin() + expected.size());
output.erase(std::remove(output.begin(), output.end(), '\0'), output.end());
BOOST_CHECK_EQUAL(output, expected);
output =
boost::find_format_copy(
source,
boost::first_finder("$replace"),
make_checked_formatter(boost::const_formatter("ok")));
BOOST_CHECK_EQUAL(output, expected);
// now try finding a string that doesn't exist
output.resize(80);
pos =
boost::find_format_copy(
output.begin(),
source,
boost::first_finder("$noreplace"),
make_checked_formatter(boost::const_formatter("bad")));
BOOST_CHECK(pos == output.begin() + source.size());
output.erase(std::remove(output.begin(), output.end(), '\0'), output.end());
BOOST_CHECK_EQUAL(output, source);
output =
boost::find_format_copy(
source,
boost::first_finder("$noreplace"),
make_checked_formatter(boost::const_formatter("bad")));
BOOST_CHECK_EQUAL(output, source);
// in place version
output = source;
boost::find_format(
output,
boost::first_finder("$replace"),
make_checked_formatter(boost::const_formatter("ok")));
BOOST_CHECK_EQUAL(output, expected);
output = source;
boost::find_format(
output,
boost::first_finder("$noreplace"),
make_checked_formatter(boost::const_formatter("bad")));
BOOST_CHECK_EQUAL(output, source);
}
void find_format_all_test()
{
const std::string source = "$replace $replace";
std::string expected = "ok ok";
std::string output(80, '\0');
std::string::iterator pos =
boost::find_format_all_copy(output.begin(),
source,
boost::first_finder("$replace"),
boost::const_formatter("ok"));
BOOST_CHECK(pos == output.begin() + expected.size());
output.erase(std::remove(output.begin(), output.end(), '\0'), output.end());
BOOST_CHECK_EQUAL(output, expected);
output =
boost::find_format_all_copy(
source,
boost::first_finder("$replace"),
make_checked_formatter(boost::const_formatter("ok")));
BOOST_CHECK_EQUAL(output, expected);
// now try finding a string that doesn't exist
output.resize(80);
pos =
boost::find_format_all_copy(
output.begin(),
source,
boost::first_finder("$noreplace"),
make_checked_formatter(boost::const_formatter("bad")));
BOOST_CHECK(pos == output.begin() + source.size());
output.erase(std::remove(output.begin(), output.end(), '\0'), output.end());
BOOST_CHECK_EQUAL(output, source);
output =
boost::find_format_all_copy(
source,
boost::first_finder("$noreplace"),
make_checked_formatter(boost::const_formatter("bad")));
BOOST_CHECK_EQUAL(output, source);
// in place version
output = source;
boost::find_format_all(
output,
boost::first_finder("$replace"),
make_checked_formatter(boost::const_formatter("ok")));
BOOST_CHECK_EQUAL(output, expected);
output = source;
boost::find_format_all(
output,
boost::first_finder("$noreplace"),
make_checked_formatter(boost::const_formatter("bad")));
BOOST_CHECK_EQUAL(output, source);
}
BOOST_AUTO_TEST_CASE( test_main )
{
find_format_test();
find_format_all_test();
}
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