darling-libcxx/test/support/test_macros.h
Eric Fiselier 83d7ca9ea5 Implement P0163r0. Add shared_ptr::weak_type.
This patch adds the weak_type typedef in shared_ptr. It is available in
C++17 and newer.

This patch also updates the _LIBCPP_STD_VER and TEST_STD_VER macros to
have the value of 16, since 2016 is the current year.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@273839 91177308-0d34-0410-b5e6-96231b3b80d8
2016-06-27 01:02:43 +00:00

122 lines
3.1 KiB
C++

// -*- C++ -*-
//===---------------------------- test_macros.h ---------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef SUPPORT_TEST_MACROS_HPP
#define SUPPORT_TEST_MACROS_HPP
#include <ciso646> // Get STL specific macros like _LIBCPP_VERSION
#define TEST_CONCAT1(X, Y) X##Y
#define TEST_CONCAT(X, Y) TEST_CONCAT1(X, Y)
#ifdef __has_feature
#define TEST_HAS_FEATURE(X) __has_feature(X)
#else
#define TEST_HAS_FEATURE(X) 0
#endif
#ifdef __has_extension
#define TEST_HAS_EXTENSION(X) __has_extension(X)
#else
#define TEST_HAS_EXTENSION(X) 0
#endif
#ifdef __has_builtin
#define TEST_HAS_BUILTIN(X) __has_builtin(X)
#else
#define TEST_HAS_BUILTIN(X) 0
#endif
/* Make a nice name for the standard version */
#ifndef TEST_STD_VER
#if __cplusplus <= 199711L
# define TEST_STD_VER 3
#elif __cplusplus <= 201103L
# define TEST_STD_VER 11
#elif __cplusplus <= 201402L
# define TEST_STD_VER 14
#else
# define TEST_STD_VER 16 // current year; greater than current standard
#endif
#endif
/* Features that were introduced in C++14 */
#if TEST_STD_VER >= 14
#define TEST_HAS_EXTENDED_CONSTEXPR
#define TEST_HAS_VARIABLE_TEMPLATES
#endif
/* Features that were introduced after C++14 */
#if TEST_STD_VER > 14
#endif
#if TEST_STD_VER >= 11
#define TEST_CONSTEXPR constexpr
#define TEST_NOEXCEPT noexcept
# if TEST_STD_VER >= 14
# define TEST_CONSTEXPR_CXX14 constexpr
# else
# define TEST_CONSTEXPR_CXX14
# endif
#else
#define TEST_CONSTEXPR
#define TEST_CONSTEXPR_CXX14
#define TEST_NOEXCEPT
#endif
#if !TEST_HAS_FEATURE(cxx_rtti) && !defined(__cpp_rtti) \
&& !defined(__GXX_RTTI)
#define TEST_HAS_NO_RTTI
#endif
#if !TEST_HAS_FEATURE(cxx_exceptions) && !defined(__cpp_exceptions) \
&& !defined(__EXCEPTIONS)
#define TEST_HAS_NO_EXCEPTIONS
#endif
#if TEST_HAS_FEATURE(address_sanitizer) || TEST_HAS_FEATURE(memory_sanitizer) || \
TEST_HAS_FEATURE(thread_sanitizer)
#define TEST_HAS_SANITIZERS
#endif
#if defined(_LIBCPP_NORETURN)
#define TEST_NORETURN _LIBCPP_NORETURN
#else
#define TEST_NORETURN [[noreturn]]
#endif
/* Macros for testing libc++ specific behavior and extensions */
#if defined(_LIBCPP_VERSION)
#define LIBCPP_ASSERT(...) assert(__VA_ARGS__)
#define LIBCPP_STATIC_ASSERT(...) static_assert(__VA_ARGS__)
#else
#define LIBCPP_ASSERT(...) ((void)0)
#define LIBCPP_STATIC_ASSERT(...) ((void)0)
#endif
#define ASSERT_NOEXCEPT(...) \
static_assert(noexcept(__VA_ARGS__), "Operation must be noexcept")
#define ASSERT_NOT_NOEXCEPT(...) \
static_assert(!noexcept(__VA_ARGS__), "Operation must NOT be noexcept")
namespace test_macros_detail {
template <class T, class U>
struct is_same { enum { value = 0};} ;
template <class T>
struct is_same<T, T> { enum {value = 1}; };
} // namespace test_macros_detail
#define ASSERT_SAME_TYPE(...) \
static_assert(test_macros_detail::is_same<__VA_ARGS__>::value, \
"Types differ uexpectedly")
#endif // SUPPORT_TEST_MACROS_HPP