forked from mirror/libcxx
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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(); }
|