forked from OSchip/llvm-project
63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <codecvt>
|
|
|
|
// template <class Elem, unsigned long Maxcode = 0x10ffff,
|
|
// codecvt_mode Mode = (codecvt_mode)0>
|
|
// class codecvt_utf8
|
|
// : public codecvt<Elem, char, mbstate_t>
|
|
// {
|
|
// // unspecified
|
|
// };
|
|
|
|
// int max_length() const throw();
|
|
|
|
#include <codecvt>
|
|
#include <cassert>
|
|
|
|
int main()
|
|
{
|
|
{
|
|
typedef std::codecvt_utf8<wchar_t> C;
|
|
C c;
|
|
int r = c.max_length();
|
|
assert(r == 4);
|
|
}
|
|
{
|
|
typedef std::codecvt_utf8<wchar_t, 0xFFFFFFFF, std::consume_header> C;
|
|
C c;
|
|
int r = c.max_length();
|
|
assert(r == 7);
|
|
}
|
|
{
|
|
typedef std::codecvt_utf8<char16_t> C;
|
|
C c;
|
|
int r = c.max_length();
|
|
assert(r == 3);
|
|
}
|
|
{
|
|
typedef std::codecvt_utf8<char16_t, 0xFFFFFFFF, std::consume_header> C;
|
|
C c;
|
|
int r = c.max_length();
|
|
assert(r == 6);
|
|
}
|
|
{
|
|
typedef std::codecvt_utf8<char32_t> C;
|
|
C c;
|
|
int r = c.max_length();
|
|
assert(r == 4);
|
|
}
|
|
{
|
|
typedef std::codecvt_utf8<char32_t, 0xFFFFFFFF, std::consume_header> C;
|
|
C c;
|
|
int r = c.max_length();
|
|
assert(r == 7);
|
|
}
|
|
}
|