| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| |
| // <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; |
| } |
