//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// XFAIL: availability-char8_t_support-missing
// This test runs in C++20, but we have deprecated codecvt<char(16|32), char, mbstate_t> in C++20.
// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS -D_LIBCPP_ENABLE_CXX26_REMOVED_CODECVT
// <locale>
// template <> class codecvt<char32_t, char, mbstate_t>
// template <> class codecvt<char16_t, char, mbstate_t>
// template <> class codecvt<char32_t, char8_t, mbstate_t> // C++20
// template <> class codecvt<char16_t, char8_t, mbstate_t> // C++20
// template <> class codecvt<char32_t, char16_t, mbstate_t> // extension
// sanity check
#include <locale>
#include <codecvt>
#include <cassert>
#include <stdio.h>
#include "test_macros.h"
int main(int, char**) {
typedef std::codecvt<char32_t, char, std::mbstate_t> F32_8;
typedef std::codecvt<char16_t, char, std::mbstate_t> F16_8;
typedef std::codecvt_utf16<char32_t> F32_16;
std::locale l = std::locale(std::locale::classic(), new F32_16);
const F32_8& f32_8 = std::use_facet<F32_8>(std::locale::classic());
const F32_16& f32_16 = std::use_facet<F32_16>(l);
const F16_8& f16_8 = std::use_facet<F16_8>(std::locale::classic());
std::mbstate_t mbs32_8 = {};
std::mbstate_t mbs16_8 = {};
std::mbstate_t mbs32_16 = {};
F32_8::intern_type* c32p;
F16_8::intern_type* c16p;
F32_8::extern_type* c8p;
const F32_8::intern_type* c_c32p;
const F16_8::intern_type* c_c16p;
const F32_8::extern_type* c_c8p;
F32_8::intern_type c32;
F16_8::intern_type c16[2];
char c16c[4];
char* c16cp;
F32_8::extern_type c8[4];
#if TEST_STD_VER > 17
typedef std::codecvt<char32_t, char8_t, std::mbstate_t> F32_8T;
typedef std::codecvt<char16_t, char8_t, std::mbstate_t> F16_8T;
const F32_8T& f32_8t = std::use_facet<F32_8T>(std::locale::classic());
const F16_8T& f16_8t = std::use_facet<F16_8T>(std::locale::classic());
std::mbstate_t mbs32_8t = {};
std::mbstate_t mbs16_8t = {};
F32_8T::extern_type* c8tp;
const F32_8T::extern_type* c_c8tp;
F32_8T::extern_type c8t[4];
#endif
for (F32_8::intern_type c32x = 0; c32x < 0x110003; ++c32x) {
if ((0xD800 <= c32x && c32x < 0xE000) || c32x >= 0x110000) {
#ifndef _MSVC_STL_VERSION // Don't ask; eldritch horrors.
assert(f32_16.out(mbs32_16, &c32x, &c32x + 1, c_c32p, c16c + 0, c16c + 4,
c16cp) == F32_8::error);
assert(f32_8.out(mbs32_8, &c32x, &c32x + 1, c_c32p, c8, c8 + 4, c8p) ==
F32_8::error);
#endif
#if TEST_STD_VER > 17
assert(f32_8t.out(mbs32_8t, &c32x, &c32x + 1, c_c32p, c8t, c8t + 4,
c8tp) == F32_8T::error);
#endif
} else {
assert(f32_16.out(mbs32_16, &c32x, &c32x + 1, c_c32p, c16c, c16c + 4,
c16cp) == F32_8::ok);
assert(c_c32p - &c32x == 1);
if (c32x < 0x10000)
assert(c16cp - c16c == 2);
else
assert(c16cp - c16c == 4);
for (int i = 0; i < (c16cp - c16c) / 2; ++i)
c16[i] = (char16_t)((unsigned char)c16c[2 * i] << 8 |
(unsigned char)c16c[2 * i + 1]);
c_c16p = c16 + (c16cp - c16c) / 2;
assert(f16_8.out(mbs16_8, c16, c_c16p, c_c16p, c8, c8 + 4, c8p) ==
F32_8::ok);
if (c32x < 0x10000)
assert(c_c16p - c16 == 1);
else
assert(c_c16p - c16 == 2);
if (c32x < 0x80)
assert(c8p - c8 == 1);
else if (c32x < 0x800)
assert(c8p - c8 == 2);
else if (c32x < 0x10000)
assert(c8p - c8 == 3);
else
assert(c8p - c8 == 4);
c_c8p = c8p;
assert(f32_8.in(mbs32_8, c8, c_c8p, c_c8p, &c32, &c32 + 1, c32p) ==
F32_8::ok);
if (c32x < 0x80)
assert(c_c8p - c8 == 1);
else if (c32x < 0x800)
assert(c_c8p - c8 == 2);
else if (c32x < 0x10000)
assert(c_c8p - c8 == 3);
else
assert(c_c8p - c8 == 4);
assert(c32p - &c32 == 1);
assert(c32 == c32x);
assert(f32_8.out(mbs32_8, &c32x, &c32x + 1, c_c32p, c8, c8 + 4, c8p) ==
F32_8::ok);
assert(c_c32p - &c32x == 1);
if (c32x < 0x80)
assert(c8p - c8 == 1);
else if (c32x < 0x800)
assert(c8p - c8 == 2);
else if (c32x < 0x10000)
assert(c8p - c8 == 3);
else
assert(c8p - c8 == 4);
c_c8p = c8p;
assert(f16_8.in(mbs16_8, c8, c_c8p, c_c8p, c16, c16 + 2, c16p) ==
F32_8::ok);
if (c32x < 0x80)
assert(c_c8p - c8 == 1);
else if (c32x < 0x800)
assert(c_c8p - c8 == 2);
else if (c32x < 0x10000)
assert(c_c8p - c8 == 3);
else
assert(c_c8p - c8 == 4);
if (c32x < 0x10000)
assert(c16p - c16 == 1);
else
assert(c16p - c16 == 2);
for (int i = 0; i < c16p - c16; ++i) {
c16c[2 * i] = static_cast<char>(c16[i] >> 8);
c16c[2 * i + 1] = static_cast<char>(c16[i]);
}
const char* c_c16cp = c16c + (c16p - c16) * 2;
assert(f32_16.in(mbs32_16, c16c, c_c16cp, c_c16cp, &c32, &c32 + 1,
c32p) == F32_8::ok);
if (c32x < 0x10000)
assert(c_c16cp - c16c == 2);
else
assert(c_c16cp - c16c == 4);
assert(c32p - &c32 == 1);
assert(c32 == c32x);
#if TEST_STD_VER > 17
assert(f32_8t.out(mbs32_8t, &c32x, &c32x + 1, c_c32p, c8t, c8t + 4,
c8tp) == F32_8T::ok);
assert(c_c32p - &c32x == 1);
if (c32x < 0x80)
assert(c8tp - c8t == 1);
else if (c32x < 0x800)
assert(c8tp - c8t == 2);
else if (c32x < 0x10000)
assert(c8tp - c8t == 3);
else
assert(c8tp - c8t == 4);
c_c8tp = c8tp;
assert(f16_8t.in(mbs16_8t, c8t, c_c8tp, c_c8tp, c16, c16 + 2, c16p) ==
F16_8T::ok);
if (c32x < 0x80)
assert(c_c8tp - c8t == 1);
else if (c32x < 0x800)
assert(c_c8tp - c8t == 2);
else if (c32x < 0x10000)
assert(c_c8tp - c8t == 3);
else
assert(c_c8tp - c8t == 4);
if (c32x < 0x10000)
assert(c16p - c16 == 1);
else
assert(c16p - c16 == 2);
c_c16p = c16p;
assert(f16_8t.out(mbs16_8t, c16, c_c16p, c_c16p, c8t, c8t + 4, c8tp) ==
F16_8T::ok);
if (c32x < 0x10000)
assert(c_c16p - c16 == 1);
else
assert(c_c16p - c16 == 2);
if (c32x < 0x80)
assert(c8tp - c8t == 1);
else if (c32x < 0x800)
assert(c8tp - c8t == 2);
else if (c32x < 0x10000)
assert(c8tp - c8t == 3);
else
assert(c8tp - c8t == 4);
c_c8tp = c8tp;
assert(f32_8t.in(mbs32_8t, c8t, c_c8tp, c_c8tp, &c32, &c32 + 1, c32p) ==
F32_8T::ok);
if (c32x < 0x80)
assert(c_c8tp - c8t == 1);
else if (c32x < 0x800)
assert(c_c8tp - c8t == 2);
else if (c32x < 0x10000)
assert(c_c8tp - c8t == 3);
else
assert(c_c8tp - c8t == 4);
assert(c32p - &c32 == 1);
assert(c32 == c32x);
#endif
}
}
return 0;
}
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