87d1a8a4d8
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@105174 91177308-0d34-0410-b5e6-96231b3b80d8
245 lines
6.0 KiB
C++
245 lines
6.0 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <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 length(stateT& state, const externT* from, const externT* from_end,
|
|
// size_t max) const;
|
|
|
|
#include <codecvt>
|
|
#include <cassert>
|
|
|
|
int main()
|
|
{
|
|
{
|
|
typedef std::codecvt_utf8<wchar_t> C;
|
|
C c;
|
|
char n[4] = {0xF1, 0x80, 0x80, 0x83};
|
|
std::mbstate_t m;
|
|
int r = c.length(m, n, n+4, 1);
|
|
assert(r == 4);
|
|
|
|
n[0] = char(0xE1);
|
|
n[1] = char(0x80);
|
|
n[2] = char(0x85);
|
|
r = c.length(m, n, n+3, 2);
|
|
assert(r == 3);
|
|
|
|
n[0] = char(0xD1);
|
|
n[1] = char(0x93);
|
|
r = c.length(m, n, n+2, 3);
|
|
assert(r == 2);
|
|
|
|
n[0] = char(0x56);
|
|
r = c.length(m, n, n+1, 3);
|
|
assert(r == 1);
|
|
}
|
|
{
|
|
typedef std::codecvt_utf8<wchar_t, 0x1000> C;
|
|
C c;
|
|
char n[4] = {0xF1, 0x80, 0x80, 0x83};
|
|
std::mbstate_t m;
|
|
int r = c.length(m, n, n+4, 1);
|
|
assert(r == 0);
|
|
|
|
n[0] = char(0xE1);
|
|
n[1] = char(0x80);
|
|
n[2] = char(0x85);
|
|
r = c.length(m, n, n+3, 2);
|
|
assert(r == 0);
|
|
|
|
n[0] = char(0xD1);
|
|
n[1] = char(0x93);
|
|
r = c.length(m, n, n+2, 3);
|
|
assert(r == 2);
|
|
|
|
n[0] = char(0x56);
|
|
r = c.length(m, n, n+1, 3);
|
|
assert(r == 1);
|
|
}
|
|
{
|
|
typedef std::codecvt_utf8<wchar_t, 0xFFFFFFFF, std::consume_header> C;
|
|
C c;
|
|
char n[7] = {0xEF, 0xBB, 0xBF, 0xF1, 0x80, 0x80, 0x83};
|
|
std::mbstate_t m;
|
|
int r = c.length(m, n, n+7, 1);
|
|
assert(r == 7);
|
|
|
|
n[0] = char(0xE1);
|
|
n[1] = char(0x80);
|
|
n[2] = char(0x85);
|
|
r = c.length(m, n, n+3, 2);
|
|
assert(r == 3);
|
|
|
|
n[0] = char(0xEF);
|
|
n[1] = char(0xBB);
|
|
n[2] = char(0xBF);
|
|
n[3] = char(0xD1);
|
|
n[4] = char(0x93);
|
|
r = c.length(m, n, n+5, 3);
|
|
assert(r == 5);
|
|
|
|
n[0] = char(0x56);
|
|
r = c.length(m, n, n+1, 3);
|
|
assert(r == 1);
|
|
}
|
|
{
|
|
typedef std::codecvt_utf8<char32_t> C;
|
|
C c;
|
|
char n[4] = {0xF1, 0x80, 0x80, 0x83};
|
|
std::mbstate_t m;
|
|
int r = c.length(m, n, n+4, 1);
|
|
assert(r == 4);
|
|
|
|
n[0] = char(0xE1);
|
|
n[1] = char(0x80);
|
|
n[2] = char(0x85);
|
|
r = c.length(m, n, n+3, 2);
|
|
assert(r == 3);
|
|
|
|
n[0] = char(0xD1);
|
|
n[1] = char(0x93);
|
|
r = c.length(m, n, n+2, 3);
|
|
assert(r == 2);
|
|
|
|
n[0] = char(0x56);
|
|
r = c.length(m, n, n+1, 3);
|
|
assert(r == 1);
|
|
}
|
|
{
|
|
typedef std::codecvt_utf8<char32_t, 0x1000> C;
|
|
C c;
|
|
char n[4] = {0xF1, 0x80, 0x80, 0x83};
|
|
std::mbstate_t m;
|
|
int r = c.length(m, n, n+4, 1);
|
|
assert(r == 0);
|
|
|
|
n[0] = char(0xE1);
|
|
n[1] = char(0x80);
|
|
n[2] = char(0x85);
|
|
r = c.length(m, n, n+3, 2);
|
|
assert(r == 0);
|
|
|
|
n[0] = char(0xD1);
|
|
n[1] = char(0x93);
|
|
r = c.length(m, n, n+2, 3);
|
|
assert(r == 2);
|
|
|
|
n[0] = char(0x56);
|
|
r = c.length(m, n, n+1, 3);
|
|
assert(r == 1);
|
|
}
|
|
{
|
|
typedef std::codecvt_utf8<char32_t, 0xFFFFFFFF, std::consume_header> C;
|
|
C c;
|
|
char n[7] = {0xEF, 0xBB, 0xBF, 0xF1, 0x80, 0x80, 0x83};
|
|
std::mbstate_t m;
|
|
int r = c.length(m, n, n+7, 1);
|
|
assert(r == 7);
|
|
|
|
n[0] = char(0xE1);
|
|
n[1] = char(0x80);
|
|
n[2] = char(0x85);
|
|
r = c.length(m, n, n+3, 2);
|
|
assert(r == 3);
|
|
|
|
n[0] = char(0xEF);
|
|
n[1] = char(0xBB);
|
|
n[2] = char(0xBF);
|
|
n[3] = char(0xD1);
|
|
n[4] = char(0x93);
|
|
r = c.length(m, n, n+5, 3);
|
|
assert(r == 5);
|
|
|
|
n[0] = char(0x56);
|
|
r = c.length(m, n, n+1, 3);
|
|
assert(r == 1);
|
|
}
|
|
{
|
|
typedef std::codecvt_utf8<char16_t> C;
|
|
C c;
|
|
char n[4] = {0xF1, 0x80, 0x80, 0x83};
|
|
std::mbstate_t m;
|
|
int r = c.length(m, n, n+4, 1);
|
|
assert(r == 0);
|
|
|
|
n[0] = char(0xE1);
|
|
n[1] = char(0x80);
|
|
n[2] = char(0x85);
|
|
r = c.length(m, n, n+3, 2);
|
|
assert(r == 3);
|
|
|
|
n[0] = char(0xD1);
|
|
n[1] = char(0x93);
|
|
r = c.length(m, n, n+2, 3);
|
|
assert(r == 2);
|
|
|
|
n[0] = char(0x56);
|
|
r = c.length(m, n, n+1, 3);
|
|
assert(r == 1);
|
|
}
|
|
{
|
|
typedef std::codecvt_utf8<char16_t, 0x1000> C;
|
|
C c;
|
|
char n[4] = {0xF1, 0x80, 0x80, 0x83};
|
|
std::mbstate_t m;
|
|
int r = c.length(m, n, n+4, 1);
|
|
assert(r == 0);
|
|
|
|
n[0] = char(0xE1);
|
|
n[1] = char(0x80);
|
|
n[2] = char(0x85);
|
|
r = c.length(m, n, n+3, 2);
|
|
assert(r == 0);
|
|
|
|
n[0] = char(0xD1);
|
|
n[1] = char(0x93);
|
|
r = c.length(m, n, n+2, 3);
|
|
assert(r == 2);
|
|
|
|
n[0] = char(0x56);
|
|
r = c.length(m, n, n+1, 3);
|
|
assert(r == 1);
|
|
}
|
|
{
|
|
typedef std::codecvt_utf8<char16_t, 0xFFFFFFFF, std::consume_header> C;
|
|
C c;
|
|
char n[7] = {0xEF, 0xBB, 0xBF, 0xF1, 0x80, 0x80, 0x83};
|
|
std::mbstate_t m;
|
|
int r = c.length(m, n, n+7, 1);
|
|
assert(r == 3);
|
|
|
|
n[0] = char(0xE1);
|
|
n[1] = char(0x80);
|
|
n[2] = char(0x85);
|
|
r = c.length(m, n, n+3, 2);
|
|
assert(r == 3);
|
|
|
|
n[0] = char(0xEF);
|
|
n[1] = char(0xBB);
|
|
n[2] = char(0xBF);
|
|
n[3] = char(0xD1);
|
|
n[4] = char(0x93);
|
|
r = c.length(m, n, n+5, 3);
|
|
assert(r == 5);
|
|
|
|
n[0] = char(0x56);
|
|
r = c.length(m, n, n+1, 3);
|
|
assert(r == 1);
|
|
}
|
|
}
|