| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // UNSUPPORTED: c++03, c++11, c++14 |
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| 10 | |
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| 11 | // TODO Investigate why this fails |
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| 12 | // UNSUPPORTED: windows |
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| 13 | |
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| 14 | // This test times out under msan |
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| 15 | // UNSUPPORTED: msan |
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| 16 | |
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| 17 | // to_chars requires functions in the dylib that have not been introduced in older |
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| 18 | // versions of the dylib on macOS. |
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| 19 | // XFAIL: availability-fp_to_chars-missing |
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| 20 | |
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| 21 | // steady_clock requires threads. |
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| 22 | // UNSUPPORTED: no-threads |
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| 23 | // UNSUPPORTED: no-random-device |
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| 24 | // UNSUPPORTED: no-localization |
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| 25 | |
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| 26 | // XFAIL: LIBCXX-AIX-FIXME |
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| 27 | |
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| 28 | // <charconv> |
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| 29 | |
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| 30 | #include <type_traits> |
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| 31 | #include "test_macros.h" |
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| 32 | |
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| 33 | // Work-around for sprintf_s's usage in the Microsoft tests. |
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| 34 | #ifndef _WIN32 |
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| 35 | # define sprintf_s snprintf |
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| 36 | #endif |
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| 37 | |
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| 38 | #ifdef _MSVC_STL_VERSION |
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| 39 | #include <xutility> |
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| 40 | using std::_Bit_cast; |
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| 41 | #else |
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| 42 | // FUNCTION TEMPLATE _Bit_cast |
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| 43 | template <class _To, class _From, |
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| 44 | std::enable_if_t<sizeof(_To) == sizeof(_From) && std::is_trivially_copyable_v<_To> && |
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| 45 | std::is_trivially_copyable_v<_From>, |
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| 46 | int> = 0> |
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| 47 | [[nodiscard]] constexpr _To _Bit_cast(const _From& _From_obj) noexcept { |
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| 48 | return __builtin_bit_cast(_To, _From_obj); |
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| 49 | } |
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| 50 | #endif |
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| 51 | |
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| 52 | // Includes Microsoft's test that tests the entire header. |
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| 53 | |
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| 54 | #include "test.cpp" |
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| 55 | |
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