xref: /external/libcxx/test/support/test_macros.h

// -*- 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 */
#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 99    // greater than current standard
#endif

/* Features that were introduced in C++11 */
#if TEST_STD_VER >= 11
#define TEST_HAS_RVALUE_REFERENCES
#define TEST_HAS_VARIADIC_TEMPLATES
#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(__cxx_rtti)
#define TEST_HAS_NO_RTTI
#endif

#if !TEST_HAS_FEATURE(cxx_exceptions) && !defined(__cxx_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

/* 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

#endif // SUPPORT_TEST_MACROS_HPP