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libcxx_old/test/std/localization/locale.stdcvt/codecvt_utf8_utf16_out.pass...

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//===----------------------------------------------------------------------===//
//
// 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_utf16
// : public codecvt<Elem, char, mbstate_t>
// {
// // unspecified
// };
// result
// out(stateT& state,
// const internT* from, const internT* from_end, const internT*& from_next,
// externT* to, externT* to_end, externT*& to_next) const;
#include <codecvt>
#include <cassert>
#include "test_macros.h"
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() {
{
typedef std::codecvt_utf8_utf16<CharT> C;
C c;
CharT w[2] = {0xD8C0, 0xDC03};
char n[4] = {0};
const CharT* wp = nullptr;
std::mbstate_t m;
char* np = nullptr;
std::codecvt_base::result r = c.out(m, w, w + 2, wp, n, n + 4, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 2);
assert(np == n + 4);
assert(n[0] == char(0xF1));
assert(n[1] == char(0x80));
assert(n[2] == char(0x80));
assert(n[3] == char(0x83));
w[0] = 0x1005;
r = c.out(m, w, w + 1, wp, n, n + 4, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 1);
assert(np == n + 3);
assert(n[0] == char(0xE1));
assert(n[1] == char(0x80));
assert(n[2] == char(0x85));
w[0] = 0x453;
r = c.out(m, w, w + 1, wp, n, n + 4, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 1);
assert(np == n + 2);
assert(n[0] == char(0xD1));
assert(n[1] == char(0x93));
w[0] = 0x56;
r = c.out(m, w, w + 1, wp, n, n + 4, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 1);
assert(np == n + 1);
assert(n[0] == char(0x56));
}
{
typedef std::codecvt_utf8_utf16<CharT, 0x1000> C;
C c;
CharT w[2] = {0xD8C0, 0xDC03};
char n[4] = {0};
const CharT* wp = nullptr;
std::mbstate_t m;
char* np = nullptr;
std::codecvt_base::result r = c.out(m, w, w + 2, wp, n, n + 4, np);
assert(r == std::codecvt_base::error);
assert(wp == w);
assert(np == n);
w[0] = 0x1005;
r = c.out(m, w, w + 1, wp, n, n + 4, np);
assert(r == std::codecvt_base::error);
assert(wp == w);
assert(np == n);
w[0] = 0x453;
r = c.out(m, w, w + 1, wp, n, n + 4, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 1);
assert(np == n + 2);
assert(n[0] == char(0xD1));
assert(n[1] == char(0x93));
w[0] = 0x56;
r = c.out(m, w, w + 1, wp, n, n + 4, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 1);
assert(np == n + 1);
assert(n[0] == char(0x56));
}
{
typedef std::codecvt_utf8_utf16<CharT, 0x10ffff, std::generate_header> C;
C c;
CharT w[2] = {0xD8C0, 0xDC03};
char n[7] = {0};
const CharT* wp = nullptr;
std::mbstate_t m;
char* np = nullptr;
std::codecvt_base::result r = c.out(m, w, w + 2, wp, n, n + 7, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 2);
assert(np == n + 7);
assert(n[0] == char(0xEF));
assert(n[1] == char(0xBB));
assert(n[2] == char(0xBF));
assert(n[3] == char(0xF1));
assert(n[4] == char(0x80));
assert(n[5] == char(0x80));
assert(n[6] == char(0x83));
w[0] = 0x1005;
r = c.out(m, w, w + 1, wp, n, n + 7, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 1);
assert(np == n + 6);
assert(n[0] == char(0xEF));
assert(n[1] == char(0xBB));
assert(n[2] == char(0xBF));
assert(n[3] == char(0xE1));
assert(n[4] == char(0x80));
assert(n[5] == char(0x85));
w[0] = 0x453;
r = c.out(m, w, w + 1, wp, n, n + 7, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 1);
assert(np == n + 5);
assert(n[0] == char(0xEF));
assert(n[1] == char(0xBB));
assert(n[2] == char(0xBF));
assert(n[3] == char(0xD1));
assert(n[4] == char(0x93));
w[0] = 0x56;
r = c.out(m, w, w + 1, wp, n, n + 7, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 1);
assert(np == n + 4);
assert(n[0] == char(0xEF));
assert(n[1] == char(0xBB));
assert(n[2] == char(0xBF));
assert(n[3] == char(0x56));
}
}
template <class CharT>
void TestHelper<CharT, 4>::test() {
{
typedef std::codecvt_utf8_utf16<CharT> C;
C c;
CharT w[2] = {0xD8C0, 0xDC03};
char n[4] = {0};
const CharT* wp = nullptr;
std::mbstate_t m;
char* np = nullptr;
std::codecvt_base::result r = c.out(m, w, w + 2, wp, n, n + 4, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 2);
assert(np == n + 4);
assert(n[0] == char(0xF1));
assert(n[1] == char(0x80));
assert(n[2] == char(0x80));
assert(n[3] == char(0x83));
w[0] = 0x1005;
r = c.out(m, w, w + 1, wp, n, n + 4, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 1);
assert(np == n + 3);
assert(n[0] == char(0xE1));
assert(n[1] == char(0x80));
assert(n[2] == char(0x85));
w[0] = 0x453;
r = c.out(m, w, w + 1, wp, n, n + 4, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 1);
assert(np == n + 2);
assert(n[0] == char(0xD1));
assert(n[1] == char(0x93));
w[0] = 0x56;
r = c.out(m, w, w + 1, wp, n, n + 4, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 1);
assert(np == n + 1);
assert(n[0] == char(0x56));
}
{
typedef std::codecvt_utf8_utf16<CharT, 0x1000> C;
C c;
CharT w[2] = {0xD8C0, 0xDC03};
char n[4] = {0};
const CharT* wp = nullptr;
std::mbstate_t m;
char* np = nullptr;
std::codecvt_base::result r = c.out(m, w, w + 2, wp, n, n + 4, np);
assert(r == std::codecvt_base::error);
assert(wp == w);
assert(np == n);
w[0] = 0x1005;
r = c.out(m, w, w + 1, wp, n, n + 4, np);
assert(r == std::codecvt_base::error);
assert(wp == w);
assert(np == n);
w[0] = 0x453;
r = c.out(m, w, w + 1, wp, n, n + 4, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 1);
assert(np == n + 2);
assert(n[0] == char(0xD1));
assert(n[1] == char(0x93));
w[0] = 0x56;
r = c.out(m, w, w + 1, wp, n, n + 4, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 1);
assert(np == n + 1);
assert(n[0] == char(0x56));
}
{
typedef std::codecvt_utf8_utf16<CharT, 0x10ffff, std::generate_header> C;
C c;
CharT w[2] = {0xD8C0, 0xDC03};
char n[7] = {0};
const CharT* wp = nullptr;
std::mbstate_t m;
char* np = nullptr;
std::codecvt_base::result r = c.out(m, w, w + 2, wp, n, n + 7, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 2);
assert(np == n + 7);
assert(n[0] == char(0xEF));
assert(n[1] == char(0xBB));
assert(n[2] == char(0xBF));
assert(n[3] == char(0xF1));
assert(n[4] == char(0x80));
assert(n[5] == char(0x80));
assert(n[6] == char(0x83));
w[0] = 0x1005;
r = c.out(m, w, w + 1, wp, n, n + 7, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 1);
assert(np == n + 6);
assert(n[0] == char(0xEF));
assert(n[1] == char(0xBB));
assert(n[2] == char(0xBF));
assert(n[3] == char(0xE1));
assert(n[4] == char(0x80));
assert(n[5] == char(0x85));
w[0] = 0x453;
r = c.out(m, w, w + 1, wp, n, n + 7, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 1);
assert(np == n + 5);
assert(n[0] == char(0xEF));
assert(n[1] == char(0xBB));
assert(n[2] == char(0xBF));
assert(n[3] == char(0xD1));
assert(n[4] == char(0x93));
w[0] = 0x56;
r = c.out(m, w, w + 1, wp, n, n + 7, np);
assert(r == std::codecvt_base::ok);
assert(wp == w + 1);
assert(np == n + 4);
assert(n[0] == char(0xEF));
assert(n[1] == char(0xBB));
assert(n[2] == char(0xBF));
assert(n[3] == char(0x56));
}
}
int main(int, char**) {
#ifndef _WIN32
TestHelper<wchar_t>::test();
#endif
TestHelper<char32_t>::test();
TestHelper<char16_t>::test();
return 0;
}
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