1/*=============================================================================
2 Copyright (c) 2018-2023 Nikita Kniazev
3
4 Distributed under the Boost Software License, Version 1.0. (See accompanying
5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6=============================================================================*/
7#include <boost/spirit/home/x3/support/utility/utf8.hpp>
8#include <boost/core/lightweight_test.hpp>
9#include <string>
10
11static bool nowarn_constexpr(bool x) { return x; }
12
13int main()
14{
15 using boost::spirit::x3::to_utf8;
16 using namespace std::string_literals;
17
18 BOOST_TEST_CSTR_EQ("\xED\x9F\xBF", to_utf8(0xD7FFul).c_str());
19 BOOST_TEST_CSTR_EQ("\xEE\x80\x80", to_utf8(0xE000ul).c_str());
20
21 if (nowarn_constexpr(x: sizeof(L"\u00FF") == 2))
22 BOOST_TEST_CSTR_EQ("\xC3\xBF", to_utf8(L"\u00FF"[0]).c_str());
23 BOOST_TEST_CSTR_EQ("\xC3\xBF", to_utf8(U'\u00FF').c_str());
24 if (nowarn_constexpr(x: sizeof(L"\uFFE1") == 2))
25 BOOST_TEST_CSTR_EQ("\xEF\xBF\xA1", to_utf8(L"\uFFE1"[0]).c_str());
26 BOOST_TEST_CSTR_EQ("\xEF\xBF\xA1", to_utf8(U'\uFFE1').c_str());
27 if (nowarn_constexpr(x: sizeof(L"\U0001F9D0") == 2))
28 BOOST_TEST_CSTR_EQ("\xF0\x9F\xA7\x90", to_utf8(L"\U0001F9D0"[0]).c_str());
29 BOOST_TEST_CSTR_EQ("\xF0\x9F\xA7\x90", to_utf8(U'\U0001F9D0').c_str());
30 BOOST_TEST_CSTR_EQ("\xF0\x9F\xA7\x90\xF0\x9F\xA7\xA0", to_utf8(L"\U0001F9D0\U0001F9E0").c_str());
31 BOOST_TEST_CSTR_EQ("\xF0\x9F\xA7\x90\xF0\x9F\xA7\xA0", to_utf8(U"\U0001F9D0\U0001F9E0").c_str());
32 BOOST_TEST_CSTR_EQ("\xF0\x9F\xA7\x90\xF0\x9F\xA7\xA0", to_utf8(L"\U0001F9D0\U0001F9E0"s).c_str());
33 BOOST_TEST_CSTR_EQ("\xF0\x9F\xA7\x90\xF0\x9F\xA7\xA0", to_utf8(U"\U0001F9D0\U0001F9E0"s).c_str());
34
35 return boost::report_errors();
36}
37

source code of boost/libs/spirit/test/x3/to_utf8.cpp