93 lines
2.1 KiB
C++
93 lines
2.1 KiB
C++
// Unit test for boost::lexical_cast.
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//
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// See http://www.boost.org for most recent version, including documentation.
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//
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// Copyright Antony Polukhin, 2012-2019.
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//
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// Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
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#include <boost/config.hpp>
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#if defined(__INTEL_COMPILER)
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#pragma warning(disable: 193 383 488 981 1418 1419)
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#elif defined(BOOST_MSVC)
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#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
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#endif
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#include <boost/lexical_cast.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/range/iterator_range.hpp>
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#include <cstdlib>
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#ifndef BOOST_NO_EXCEPTIONS
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#error "This test must be compiled with -DBOOST_NO_EXCEPTIONS"
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#endif
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struct Escape
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{
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Escape(){}
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Escape(const std::string& s)
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: str_(s)
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{}
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std::string str_;
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};
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inline std::ostream& operator<< (std::ostream& o, const Escape& rhs)
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{
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return o << rhs.str_;
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}
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inline std::istream& operator>> (std::istream& i, Escape& rhs)
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{
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return i >> rhs.str_;
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}
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namespace boost {
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BOOST_NORETURN void throw_exception(std::exception const & ) {
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static int state = 0;
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++ state;
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Escape v("");
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switch(state) {
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case 1:
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lexical_cast<char>(v); // should call boost::throw_exception
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std::exit(1);
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case 2:
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lexical_cast<unsigned char>(v); // should call boost::throw_exception
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std::exit(2);
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}
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std::exit(boost::report_errors());
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}
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}
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void test_exceptions_off() {
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using namespace boost;
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Escape v("");
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v = lexical_cast<Escape>(100);
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BOOST_TEST_EQ(lexical_cast<int>(v), 100);
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BOOST_TEST_EQ(lexical_cast<unsigned int>(v), 100u);
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v = lexical_cast<Escape>(0.0);
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BOOST_TEST_EQ(lexical_cast<double>(v), 0.0);
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BOOST_TEST_EQ(lexical_cast<short>(100), 100);
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BOOST_TEST_EQ(lexical_cast<float>(0.0), 0.0);
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lexical_cast<short>(700000); // should call boost::throw_exception
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BOOST_TEST(false);
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}
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int main() {
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test_exceptions_off();
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return boost::report_errors();
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}
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