1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <locale> 11 12 // wstring_convert<Codecvt, Elem, Wide_alloc, Byte_alloc> 13 14 // size_t converted() const; 15 16 #include <locale> 17 #include <codecvt> 18 #include <cassert> 19 20 template <class CharT, size_t = sizeof(CharT)> 21 struct TestHelper; 22 template <class CharT> 23 struct TestHelper<CharT, 2> { 24 static void test(); 25 }; 26 template <class CharT> 27 struct TestHelper<CharT, 4> { 28 static void test(); 29 }; 30 31 template <class CharT> 32 void TestHelper<CharT, 2>::test() { 33 static_assert((std::is_same<CharT, wchar_t>::value), ""); 34 { 35 typedef std::codecvt_utf8<CharT> Codecvt; 36 typedef std::wstring_convert<Codecvt> Myconv; 37 Myconv myconv; 38 assert(myconv.converted() == 0); 39 std::string bs = myconv.to_bytes(L"\x1005"); 40 assert(myconv.converted() == 1); 41 bs = myconv.to_bytes(L"\x1005\x65"); 42 assert(myconv.converted() == 2); 43 std::wstring ws = myconv.from_bytes("\xE1\x80\x85"); 44 assert(myconv.converted() == 3); 45 } 46 } 47 48 template <class CharT> 49 void TestHelper<CharT, 4>::test() { 50 static_assert((std::is_same<CharT, wchar_t>::value), ""); 51 { 52 typedef std::codecvt_utf8<CharT> Codecvt; 53 typedef std::wstring_convert<Codecvt> Myconv; 54 Myconv myconv; 55 assert(myconv.converted() == 0); 56 std::string bs = myconv.to_bytes(L"\x40003"); 57 assert(myconv.converted() == 1); 58 bs = myconv.to_bytes(L"\x40003\x65"); 59 assert(myconv.converted() == 2); 60 std::wstring ws = myconv.from_bytes("\xF1\x80\x80\x83"); 61 assert(myconv.converted() == 4); 62 } 63 } 64 65 int main() { TestHelper<wchar_t>::test(); } 66
