| //===----------------------------------------------------------------------===// |
| // |
| // 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> |
| |
| // wide_string from_bytes(char byte); |
| // wide_string from_bytes(const char* ptr); |
| // wide_string from_bytes(const byte_string& str); |
| // wide_string from_bytes(const char* first, const char* 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::string bs("\xE1\x80\x85\x00"); |
| std::wstring ws = myconv.from_bytes('a'); |
| assert(ws == L"a"); |
| ws = myconv.from_bytes(bs.c_str()); |
| assert(ws == L"\x1005"); |
| ws = myconv.from_bytes(bs); |
| assert(ws == L"\x1005"); |
| ws = myconv.from_bytes(bs.data(), bs.data() + bs.size()); |
| assert(ws == L"\x1005"); |
| ws = myconv.from_bytes(""); |
| assert(ws.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::string bs("\xF1\x80\x80\x83"); |
| std::wstring ws = myconv.from_bytes('a'); |
| assert(ws == L"a"); |
| ws = myconv.from_bytes(bs.c_str()); |
| assert(ws == L"\x40003"); |
| ws = myconv.from_bytes(bs); |
| assert(ws == L"\x40003"); |
| ws = myconv.from_bytes(bs.data(), bs.data() + bs.size()); |
| assert(ws == L"\x40003"); |
| ws = myconv.from_bytes(""); |
| assert(ws.size() == 0); |
| } |
| } |
| |
| int main() { TestHelper<wchar_t>::test(); } |