1234567891011121314151617181920212223242526272829303132333435363738394041424344454647 |
- // Boost.Convert test and usage example
- // Copyright (c) 2009-2016 Vladimir Batov.
- // Use, modification and distribution are subject to the Boost Software License,
- // Version 1.0. See http://www.boost.org/LICENSE_1_0.txt.
- #include "./test.hpp"
- #if defined(BOOST_CONVERT_IS_NOT_SUPPORTED)
- int main(int, char const* []) { return 0; }
- #else
- #include <boost/convert.hpp>
- #include <boost/convert/printf.hpp>
- #include <boost/detail/lightweight_test.hpp>
- using std::string;
- using boost::convert;
- namespace arg = boost::cnv::parameter;
- int
- main(int, char const* [])
- {
- boost::cnv::printf cnv;
- string const not_int_str = "not an int";
- string const std_str = "-11";
- char const* const c_str = "-12";
- BOOST_TEST( -1 == convert<int>(not_int_str, cnv).value_or(-1));
- BOOST_TEST(-11 == convert<int>(std_str, cnv).value_or(-1));
- BOOST_TEST(-12 == convert<int>(c_str, cnv).value_or(-1));
- BOOST_TEST("255" == convert<std::string>(255, cnv(arg::base = boost::cnv::base::dec)).value());
- BOOST_TEST( "ff" == convert<std::string>(255, cnv(arg::base = boost::cnv::base::hex)).value());
- BOOST_TEST("377" == convert<std::string>(255, cnv(arg::base = boost::cnv::base::oct)).value());
- string s01 = convert<string>(12.3456, cnv(arg::precision = 6)).value();
- string s02 = convert<string>(12.3456, cnv(arg::precision = 3)).value();
- BOOST_TEST(s01 == "12.345600");
- BOOST_TEST(s02 == "12.346");
- return boost::report_errors();
- }
- #endif
|