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102 lines
3.3 KiB
C++
102 lines
3.3 KiB
C++
// Boost.Convert test and usage example
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// Copyright (c) 2009-2014 Vladimir Batov.
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// Use, modification and distribution are subject to the Boost Software License,
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// Version 1.0. See http://www.boost.org/LICENSE_1_0.txt.
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#include "./test.hpp"
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#include "./str_to_int.hpp"
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#include "./invalid.hpp"
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#include <boost/random/mersenne_twister.hpp>
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#include <boost/random/uniform_int_distribution.hpp>
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using std::string;
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using std::wstring;
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template<typename Converter>
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void
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test::type_to_string(Converter const& cnv)
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{
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BOOST_TEST("255" == boost::convert<std::string>(255, cnv(arg::base = boost::cnv::base::dec)).value_or("bad"));
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BOOST_TEST( "ff" == boost::convert<std::string>(255, cnv(arg::base = boost::cnv::base::hex)).value_or("bad"));
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BOOST_TEST("377" == boost::convert<std::string>(255, cnv(arg::base = boost::cnv::base::oct)).value_or("bad"));
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}
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template<typename Converter>
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void
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test::string_to_type(Converter const& cnv)
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{
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BOOST_TEST( 255 == boost::convert<int>("255", cnv(arg::base = boost::cnv::base::dec)).value_or(999));
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BOOST_TEST( 999 == boost::convert<int>( "FF", cnv(arg::base = boost::cnv::base::dec)).value_or(999));
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BOOST_TEST( 255 == boost::convert<int>( "FF", cnv(arg::base = boost::cnv::base::hex)).value_or(999));
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BOOST_TEST( 173 == boost::convert<int>("255", cnv(arg::base = boost::cnv::base::oct)).value_or(999));
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BOOST_TEST( 999 != boost::convert<double>("1.23", cnv).value_or(999));
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}
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void
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test::force_in_type()
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{
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boost::cnv::cstringstream cnv;
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string const s1 = boost::convert<string>(-1, cnv).value();
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string const s2 = boost::convert<string, unsigned int>(-1, cnv).value();
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char const* expected = sizeof(unsigned int) == 4 ? "4294967295" : 0;
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if (expected)
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{
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BOOST_TEST(s1 == "-1");
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BOOST_TEST(s2 == expected);
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}
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}
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int
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main(int argc, char const* argv[])
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{
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test::ints ints;
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test::strings strs;
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boost::random::mt19937 gen;
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boost::random::uniform_int_distribution<> dist (INT_MIN, INT_MAX);
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ints.reserve(test::num_cycles);
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strs.reserve(test::num_cycles);
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for (int k = 0; k < test::num_cycles; ++k)
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{
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int iv = dist(gen);
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string sv = boost::lexical_cast<std::string>(iv);
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ints.push_back(iv);
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strs.push_back(sv);
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}
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example::getting_started();
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example::getting_serious();
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example::algorithms();
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test::invalid(boost::cnv::lexical_cast());
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// test::invalid(boost::cnv::cstringstream());
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// test::invalid(boost::cnv::strtol());
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// test::invalid(boost::cnv::printf());
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test::scratchpad();
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test::sfinae();
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test::int_to_string();
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test::string_to_bool();
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test::str_to_int(boost::cnv::lexical_cast());
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test::str_to_int(boost::cnv::cstringstream());
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test::str_to_int(boost::cnv::strtol());
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test::str_to_int(boost::cnv::printf());
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test::type_to_string(boost::cnv::printf());
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test::string_to_type(boost::cnv::strtol());
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test::string_to_type(boost::cnv::printf());
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test::type_to_string(boost::cnv::printf());
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test::user_type();
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test::force_in_type();
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test::lcast_converter();
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test::sstream();
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test::algorithms();
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test::callables();
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test::encryption();
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test::performance(strs, ints);
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test::spirit(strs);
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return boost::report_errors();
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}
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