| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <locale> |
| |
| // wstring_convert<Codecvt, Elem, Wide_alloc, Byte_alloc> |
| |
| // byte_string to_bytes(Elem wchar); |
| // byte_string to_bytes(const Elem* wptr); |
| // byte_string to_bytes(const wide_string& wstr); |
| // byte_string to_bytes(const Elem* first, const Elem* last); |
| |
| #include <locale> |
| #include <codecvt> |
| #include <cassert> |
| |
| template <class CharT, size_t = sizeof(CharT)> |
| struct TestHelper; |
| template <class CharT> |
| struct TestHelper<CharT, 2> { |
| static void test(); |
| }; |
| template <class CharT> |
| struct TestHelper<CharT, 4> { |
| static void test(); |
| }; |
| |
| template <class CharT> |
| void TestHelper<CharT, 2>::test() { |
| static_assert((std::is_same<CharT, wchar_t>::value), ""); |
| { |
| std::wstring_convert<std::codecvt_utf8<CharT> > myconv; |
| std::wstring ws(1, CharT(0x1005)); |
| std::string bs = myconv.to_bytes(ws[0]); |
| assert(bs == "\xE1\x80\x85\x00"); |
| bs = myconv.to_bytes(ws.c_str()); |
| assert(bs == "\xE1\x80\x85\x00"); |
| bs = myconv.to_bytes(ws); |
| assert(bs == "\xE1\x80\x85\x00"); |
| bs = myconv.to_bytes(ws.data(), ws.data() + ws.size()); |
| assert(bs == "\xE1\x80\x85\x00"); |
| bs = myconv.to_bytes(L""); |
| assert(bs.size() == 0); |
| } |
| } |
| |
| template <class CharT> |
| void TestHelper<CharT, 4>::test() { |
| static_assert((std::is_same<CharT, wchar_t>::value), ""); |
| { |
| std::wstring_convert<std::codecvt_utf8<CharT> > myconv; |
| std::wstring ws(1, CharT(0x40003)); |
| std::string bs = myconv.to_bytes(ws[0]); |
| assert(bs == "\xF1\x80\x80\x83"); |
| bs = myconv.to_bytes(ws.c_str()); |
| assert(bs == "\xF1\x80\x80\x83"); |
| bs = myconv.to_bytes(ws); |
| assert(bs == "\xF1\x80\x80\x83"); |
| bs = myconv.to_bytes(ws.data(), ws.data() + ws.size()); |
| assert(bs == "\xF1\x80\x80\x83"); |
| bs = myconv.to_bytes(L""); |
| assert(bs.size() == 0); |
| } |
| } |
| |
| int main() { TestHelper<wchar_t>::test(); } |