09e3a36058
This patch adds a large number of missing includes in the libc++ headers and the test suite. Those were found as part of the effort to move towards a mostly monolithic top-level std module.
121 lines
2.8 KiB
C++
121 lines
2.8 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
|
|
|
|
// <functional>
|
|
|
|
// template <class T>
|
|
// struct hash
|
|
// : public unary_function<T, size_t>
|
|
// {
|
|
// size_t operator()(T val) const;
|
|
// };
|
|
|
|
#include <functional>
|
|
#include <cassert>
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
#include <limits>
|
|
#include <type_traits>
|
|
|
|
#include "test_macros.h"
|
|
|
|
template <class T>
|
|
void
|
|
test()
|
|
{
|
|
typedef std::hash<T> H;
|
|
#if TEST_STD_VER <= 17
|
|
static_assert((std::is_same<typename H::argument_type, T>::value), "");
|
|
static_assert((std::is_same<typename H::result_type, std::size_t>::value), "");
|
|
#endif
|
|
ASSERT_NOEXCEPT(H()(T()));
|
|
H h;
|
|
|
|
for (int i = 0; i <= 5; ++i)
|
|
{
|
|
T t(static_cast<T>(i));
|
|
const bool small = std::integral_constant<bool, sizeof(T) <= sizeof(std::size_t)>::value; // avoid compiler warnings
|
|
if (small)
|
|
{
|
|
const std::size_t result = h(t);
|
|
LIBCPP_ASSERT(result == static_cast<std::size_t>(t));
|
|
((void)result); // Prevent unused warning
|
|
}
|
|
}
|
|
}
|
|
|
|
int main(int, char**)
|
|
{
|
|
test<bool>();
|
|
test<char>();
|
|
test<signed char>();
|
|
test<unsigned char>();
|
|
test<char16_t>();
|
|
test<char32_t>();
|
|
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
|
|
test<wchar_t>();
|
|
#endif
|
|
test<short>();
|
|
test<unsigned short>();
|
|
test<int>();
|
|
test<unsigned int>();
|
|
test<long>();
|
|
test<unsigned long>();
|
|
test<long long>();
|
|
test<unsigned long long>();
|
|
|
|
// LWG #2119
|
|
test<std::ptrdiff_t>();
|
|
test<std::size_t>();
|
|
|
|
test<std::int8_t>();
|
|
test<std::int16_t>();
|
|
test<std::int32_t>();
|
|
test<std::int64_t>();
|
|
|
|
test<std::int_fast8_t>();
|
|
test<std::int_fast16_t>();
|
|
test<std::int_fast32_t>();
|
|
test<std::int_fast64_t>();
|
|
|
|
test<std::int_least8_t>();
|
|
test<std::int_least16_t>();
|
|
test<std::int_least32_t>();
|
|
test<std::int_least64_t>();
|
|
|
|
test<std::intmax_t>();
|
|
test<std::intptr_t>();
|
|
|
|
test<std::uint8_t>();
|
|
test<std::uint16_t>();
|
|
test<std::uint32_t>();
|
|
test<std::uint64_t>();
|
|
|
|
test<std::uint_fast8_t>();
|
|
test<std::uint_fast16_t>();
|
|
test<std::uint_fast32_t>();
|
|
test<std::uint_fast64_t>();
|
|
|
|
test<std::uint_least8_t>();
|
|
test<std::uint_least16_t>();
|
|
test<std::uint_least32_t>();
|
|
test<std::uint_least64_t>();
|
|
|
|
test<std::uintmax_t>();
|
|
test<std::uintptr_t>();
|
|
|
|
#ifndef TEST_HAS_NO_INT128
|
|
test<__int128_t>();
|
|
test<__uint128_t>();
|
|
#endif
|
|
|
|
return 0;
|
|
}
|