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spirit/test/qi/to_utf8.cpp
2023-03-17 03:36:25 +03:00

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1.9 KiB
C++

/*=============================================================================
Copyright (c) 2018-2023 Nikita Kniazev
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/spirit/home/support/utf8.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/config.hpp>
#include <string>
#if defined(_MSC_VER) && _MSC_VER < 1700
# pragma warning(disable: 4428) // universal-character-name encountered in source
#endif
static bool nowarn_constexpr(bool x) { return x; }
int main()
{
using boost::spirit::to_utf8;
BOOST_TEST_CSTR_EQ("\xED\x9F\xBF", to_utf8(0xD7FFul).c_str());
BOOST_TEST_CSTR_EQ("\xEE\x80\x80", to_utf8(0xE000ul).c_str());
if (nowarn_constexpr(sizeof(L"\u00FF") == 2))
BOOST_TEST_CSTR_EQ("\xC3\xBF", to_utf8(L"\u00FF"[0]).c_str());
if (nowarn_constexpr(sizeof(L"\uFFE1") == 2))
BOOST_TEST_CSTR_EQ("\xEF\xBF\xA1", to_utf8(L"\uFFE1"[0]).c_str());
if (nowarn_constexpr(sizeof(L"\U0001F9D0") == 2))
BOOST_TEST_CSTR_EQ("\xF0\x9F\xA7\x90", to_utf8(L"\U0001F9D0"[0]).c_str());
BOOST_TEST_CSTR_EQ("\xF0\x9F\xA7\x90\xF0\x9F\xA7\xA0", to_utf8(L"\U0001F9D0\U0001F9E0").c_str());
BOOST_TEST_CSTR_EQ("\xF0\x9F\xA7\x90\xF0\x9F\xA7\xA0", to_utf8(std::wstring(L"\U0001F9D0\U0001F9E0")).c_str());
#ifndef BOOST_NO_CXX11_UNICODE_LITERALS
BOOST_TEST_CSTR_EQ("\xC3\xBF", to_utf8(U'\u00FF').c_str());
BOOST_TEST_CSTR_EQ("\xEF\xBF\xA1", to_utf8(U'\uFFE1').c_str());
BOOST_TEST_CSTR_EQ("\xF0\x9F\xA7\x90", to_utf8(U'\U0001F9D0').c_str());
BOOST_TEST_CSTR_EQ("\xF0\x9F\xA7\x90\xF0\x9F\xA7\xA0", to_utf8(U"\U0001F9D0\U0001F9E0").c_str());
BOOST_TEST_CSTR_EQ("\xF0\x9F\xA7\x90\xF0\x9F\xA7\xA0", to_utf8(std::u32string(U"\U0001F9D0\U0001F9E0")).c_str());
#endif
return boost::report_errors();
}