[libcxx-commits] [libcxx] [libc++][test][NFC] Format `test_macros.h` (PR #212442)
A. Jiang via libcxx-commits
libcxx-commits at lists.llvm.org
Tue Jul 28 02:24:44 PDT 2026
https://github.com/frederick-vs-ja created https://github.com/llvm/llvm-project/pull/212442
Avoiding errors about untouched lines from clang-format when modifying conditions in `test_macros.h`.
>From 3d8d22c2d6cb10b9c984b2d0906c9fc6bd9d1235 Mon Sep 17 00:00:00 2001
From: "A. Jiang" <de34 at live.cn>
Date: Tue, 28 Jul 2026 17:15:07 +0800
Subject: [PATCH] [libc++][test][NFC] Format `test_macros.h`
Avoiding errors about untouched lines from clang-format when modifying
conditions in `test_macros.h`.
---
libcxx/test/support/test_macros.h | 256 +++++++++++++++---------------
1 file changed, 127 insertions(+), 129 deletions(-)
diff --git a/libcxx/test/support/test_macros.h b/libcxx/test/support/test_macros.h
index 78b1f6eda6576..c81a88f29e7b5 100644
--- a/libcxx/test/support/test_macros.h
+++ b/libcxx/test/support/test_macros.h
@@ -27,19 +27,19 @@
#define TEST_CONCAT(X, Y) TEST_CONCAT1(X, Y)
#ifdef __has_feature
-#define TEST_HAS_FEATURE(X) __has_feature(X)
+# define TEST_HAS_FEATURE(X) __has_feature(X)
#else
-#define TEST_HAS_FEATURE(X) 0
+# define TEST_HAS_FEATURE(X) 0
#endif
#ifndef __has_include
-#define __has_include(...) 0
+# define __has_include(...) 0
#endif
#ifdef __has_extension
-#define TEST_HAS_EXTENSION(X) __has_extension(X)
+# define TEST_HAS_EXTENSION(X) __has_extension(X)
#else
-#define TEST_HAS_EXTENSION(X) 0
+# define TEST_HAS_EXTENSION(X) 0
#endif
// _BitInt(N) is a C23 standard feature and a Clang extension in earlier C and C++.
@@ -52,109 +52,109 @@
#endif
#ifdef __has_warning
-#define TEST_HAS_WARNING(X) __has_warning(X)
+# define TEST_HAS_WARNING(X) __has_warning(X)
#else
-#define TEST_HAS_WARNING(X) 0
+# define TEST_HAS_WARNING(X) 0
#endif
#ifdef __has_builtin
-#define TEST_HAS_BUILTIN(X) __has_builtin(X)
+# define TEST_HAS_BUILTIN(X) __has_builtin(X)
#else
-#define TEST_HAS_BUILTIN(X) 0
+# define TEST_HAS_BUILTIN(X) 0
#endif
#ifdef __is_identifier
// '__is_identifier' returns '0' if '__x' is a reserved identifier provided by
// the compiler and '1' otherwise.
-#define TEST_HAS_BUILTIN_IDENTIFIER(X) !__is_identifier(X)
+# define TEST_HAS_BUILTIN_IDENTIFIER(X) !__is_identifier(X)
#else
-#define TEST_HAS_BUILTIN_IDENTIFIER(X) 0
+# define TEST_HAS_BUILTIN_IDENTIFIER(X) 0
#endif
#if defined(__EDG__)
-# define TEST_COMPILER_EDG
+# define TEST_COMPILER_EDG
#elif defined(__clang__)
-# define TEST_COMPILER_CLANG
-# if defined(__apple_build_version__)
-# define TEST_COMPILER_APPLE_CLANG
-# endif
+# define TEST_COMPILER_CLANG
+# if defined(__apple_build_version__)
+# define TEST_COMPILER_APPLE_CLANG
+# endif
#elif defined(_MSC_VER)
-# define TEST_COMPILER_MSVC
+# define TEST_COMPILER_MSVC
#elif defined(__GNUC__)
-# define TEST_COMPILER_GCC
+# define TEST_COMPILER_GCC
#endif
#if defined(__apple_build_version__)
// Given AppleClang XX.Y.Z, TEST_APPLE_CLANG_VER is XXYZ (e.g. AppleClang 14.0.3 => 1403)
-#define TEST_APPLE_CLANG_VER (__apple_build_version__ / 10000)
+# define TEST_APPLE_CLANG_VER (__apple_build_version__ / 10000)
#elif defined(__clang_major__)
-#define TEST_CLANG_VER (__clang_major__ * 100) + __clang_minor__
+# define TEST_CLANG_VER (__clang_major__ * 100) + __clang_minor__
#elif defined(__GNUC__)
// Given GCC XX.YY.ZZ, TEST_GCC_VER is XXYYZZ
-#define TEST_GCC_VER ((__GNUC__ * 10000) + (__GNUC_MINOR__ * 100) + __GNUC_PATCHLEVEL__)
+# define TEST_GCC_VER ((__GNUC__ * 10000) + (__GNUC_MINOR__ * 100) + __GNUC_PATCHLEVEL__)
#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
-#elif __cplusplus <= 201703L
-# define TEST_STD_VER 17
-#elif __cplusplus <= 202002L
-# define TEST_STD_VER 20
-#elif __cplusplus <= 202302L
-# define TEST_STD_VER 23
-#else
-# define TEST_STD_VER 99 // greater than current standard
+# if __cplusplus <= 199711L
+# define TEST_STD_VER 3
+# elif __cplusplus <= 201103L
+# define TEST_STD_VER 11
+# elif __cplusplus <= 201402L
+# define TEST_STD_VER 14
+# elif __cplusplus <= 201703L
+# define TEST_STD_VER 17
+# elif __cplusplus <= 202002L
+# define TEST_STD_VER 20
+# elif __cplusplus <= 202302L
+# define TEST_STD_VER 23
+# else
+# define TEST_STD_VER 99 // greater than current standard
// This is deliberately different than _LIBCPP_STD_VER to discourage matching them up.
-#endif
+# endif
#endif
// Attempt to deduce the GLIBC version
#if (defined(__has_include) && __has_include(<features.h>)) || \
defined(__linux__)
-#include <features.h>
-#if defined(__GLIBC_PREREQ)
-#define TEST_HAS_GLIBC
-#define TEST_GLIBC_PREREQ(major, minor) __GLIBC_PREREQ(major, minor)
-#endif
+# include <features.h>
+# if defined(__GLIBC_PREREQ)
+# define TEST_HAS_GLIBC
+# define TEST_GLIBC_PREREQ(major, minor) __GLIBC_PREREQ(major, minor)
+# endif
#endif
#if TEST_STD_VER >= 11
-# define TEST_ALIGNOF(...) alignof(__VA_ARGS__)
-# define TEST_ALIGNAS(...) alignas(__VA_ARGS__)
-# define TEST_CONSTEXPR constexpr
-# define TEST_NOEXCEPT noexcept
-# define TEST_NOEXCEPT_FALSE noexcept(false)
-# define TEST_NOEXCEPT_COND(...) noexcept(__VA_ARGS__)
-#else
-# if defined(TEST_COMPILER_CLANG)
+# define TEST_ALIGNOF(...) alignof(__VA_ARGS__)
+# define TEST_ALIGNAS(...) alignas(__VA_ARGS__)
+# define TEST_CONSTEXPR constexpr
+# define TEST_NOEXCEPT noexcept
+# define TEST_NOEXCEPT_FALSE noexcept(false)
+# define TEST_NOEXCEPT_COND(...) noexcept(__VA_ARGS__)
+#else
+# if defined(TEST_COMPILER_CLANG)
# define TEST_ALIGNOF(...) _Alignof(__VA_ARGS__)
-# else
+# else
# define TEST_ALIGNOF(...) __alignof(__VA_ARGS__)
-# endif
-# define TEST_ALIGNAS(...) __attribute__((__aligned__(__VA_ARGS__)))
-# define TEST_CONSTEXPR
-# define TEST_NOEXCEPT throw()
-# define TEST_NOEXCEPT_FALSE
-# define TEST_NOEXCEPT_COND(...)
+# endif
+# define TEST_ALIGNAS(...) __attribute__((__aligned__(__VA_ARGS__)))
+# define TEST_CONSTEXPR
+# define TEST_NOEXCEPT throw()
+# define TEST_NOEXCEPT_FALSE
+# define TEST_NOEXCEPT_COND(...)
#endif
#if TEST_STD_VER >= 11
-# define TEST_THROW_SPEC(...)
+# define TEST_THROW_SPEC(...)
#else
-# define TEST_THROW_SPEC(...) throw(__VA_ARGS__)
+# define TEST_THROW_SPEC(...) throw(__VA_ARGS__)
#endif
#if defined(__cpp_lib_is_constant_evaluated) && __cpp_lib_is_constant_evaluated >= 201811L
-# define TEST_IS_CONSTANT_EVALUATED std::is_constant_evaluated()
+# define TEST_IS_CONSTANT_EVALUATED std::is_constant_evaluated()
#elif TEST_HAS_BUILTIN(__builtin_is_constant_evaluated)
-# define TEST_IS_CONSTANT_EVALUATED __builtin_is_constant_evaluated()
+# define TEST_IS_CONSTANT_EVALUATED __builtin_is_constant_evaluated()
#else
-# define TEST_IS_CONSTANT_EVALUATED false
+# define TEST_IS_CONSTANT_EVALUATED false
#endif
#if TEST_STD_VER >= 20
@@ -176,21 +176,21 @@
#endif
#if TEST_STD_VER >= 14
-# define TEST_CONSTEXPR_CXX14 constexpr
+# define TEST_CONSTEXPR_CXX14 constexpr
#else
-# define TEST_CONSTEXPR_CXX14
+# define TEST_CONSTEXPR_CXX14
#endif
#if TEST_STD_VER >= 17
-# define TEST_CONSTEXPR_CXX17 constexpr
+# define TEST_CONSTEXPR_CXX17 constexpr
#else
-# define TEST_CONSTEXPR_CXX17
+# define TEST_CONSTEXPR_CXX17
#endif
#if TEST_STD_VER >= 20
-# define TEST_CONSTEXPR_CXX20 constexpr
+# define TEST_CONSTEXPR_CXX20 constexpr
#else
-# define TEST_CONSTEXPR_CXX20
+# define TEST_CONSTEXPR_CXX20
#endif
#if TEST_STD_VER >= 23
@@ -207,26 +207,24 @@
#define TEST_ALIGNAS_TYPE(...) TEST_ALIGNAS(TEST_ALIGNOF(__VA_ARGS__))
-#if !TEST_HAS_FEATURE(cxx_rtti) && !defined(__cpp_rtti) \
- && !defined(__GXX_RTTI)
-#define TEST_HAS_NO_RTTI
+#if !TEST_HAS_FEATURE(cxx_rtti) && !defined(__cpp_rtti) && !defined(__GXX_RTTI)
+# define TEST_HAS_NO_RTTI
#endif
#if !defined(TEST_HAS_NO_RTTI)
-# define RTTI_ASSERT(X) assert(X)
+# define RTTI_ASSERT(X) assert(X)
#else
-# define RTTI_ASSERT(X)
+# define RTTI_ASSERT(X)
#endif
-#if !TEST_HAS_FEATURE(cxx_exceptions) && !defined(__cpp_exceptions) \
- && !defined(__EXCEPTIONS)
-#define TEST_HAS_NO_EXCEPTIONS
+#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(hwaddress_sanitizer) || \
+#if TEST_HAS_FEATURE(address_sanitizer) || TEST_HAS_FEATURE(hwaddress_sanitizer) || \
TEST_HAS_FEATURE(memory_sanitizer) || TEST_HAS_FEATURE(thread_sanitizer)
-#define TEST_HAS_SANITIZERS
-#define TEST_IS_EXECUTED_IN_A_SLOW_ENVIRONMENT
+# define TEST_HAS_SANITIZERS
+# define TEST_IS_EXECUTED_IN_A_SLOW_ENVIRONMENT
#endif
#ifdef _LIBCPP_USE_FROZEN_CXX03_HEADERS
@@ -248,29 +246,27 @@
#endif
#if TEST_STD_VER < 11
-#define ASSERT_NOEXCEPT(...)
-#define ASSERT_NOT_NOEXCEPT(...)
+# define ASSERT_NOEXCEPT(...)
+# define ASSERT_NOT_NOEXCEPT(...)
#else
-#define ASSERT_NOEXCEPT(...) \
- static_assert(noexcept(__VA_ARGS__), "Operation must be noexcept")
+# 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")
+# define ASSERT_NOT_NOEXCEPT(...) static_assert(!noexcept(__VA_ARGS__), "Operation must NOT be noexcept")
#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__)
-#define LIBCPP_ASSERT_NOEXCEPT(...) ASSERT_NOEXCEPT(__VA_ARGS__)
-#define LIBCPP_ASSERT_NOT_NOEXCEPT(...) ASSERT_NOT_NOEXCEPT(__VA_ARGS__)
-#define LIBCPP_ONLY(...) __VA_ARGS__
+# define LIBCPP_ASSERT(...) assert(__VA_ARGS__)
+# define LIBCPP_STATIC_ASSERT(...) static_assert(__VA_ARGS__)
+# define LIBCPP_ASSERT_NOEXCEPT(...) ASSERT_NOEXCEPT(__VA_ARGS__)
+# define LIBCPP_ASSERT_NOT_NOEXCEPT(...) ASSERT_NOT_NOEXCEPT(__VA_ARGS__)
+# define LIBCPP_ONLY(...) __VA_ARGS__
#else
-#define LIBCPP_ASSERT(...) static_assert(true, "")
-#define LIBCPP_STATIC_ASSERT(...) static_assert(true, "")
-#define LIBCPP_ASSERT_NOEXCEPT(...) static_assert(true, "")
-#define LIBCPP_ASSERT_NOT_NOEXCEPT(...) static_assert(true, "")
-#define LIBCPP_ONLY(...) static_assert(true, "")
+# define LIBCPP_ASSERT(...) static_assert(true, "")
+# define LIBCPP_STATIC_ASSERT(...) static_assert(true, "")
+# define LIBCPP_ASSERT_NOEXCEPT(...) static_assert(true, "")
+# define LIBCPP_ASSERT_NOT_NOEXCEPT(...) static_assert(true, "")
+# define LIBCPP_ONLY(...) static_assert(true, "")
#endif
#ifdef _LIBCPP_USE_FROZEN_CXX03_HEADERS
@@ -295,24 +291,27 @@
namespace test_macros_detail {
template <class T, class U>
-struct is_same { enum { value = 0};} ;
+struct is_same {
+ enum { value = 0 };
+};
template <class T>
-struct is_same<T, T> { enum {value = 1}; };
+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 unexpectedly")
+#define ASSERT_SAME_TYPE(...) \
+ static_assert((test_macros_detail::is_same<__VA_ARGS__>::value), "Types differ unexpectedly")
#ifndef TEST_HAS_NO_EXCEPTIONS
-#define TEST_THROW(...) throw __VA_ARGS__
-#else
-#if defined(__GNUC__)
-#define TEST_THROW(...) __builtin_abort()
+# define TEST_THROW(...) throw __VA_ARGS__
#else
-#include <stdlib.h>
-#define TEST_THROW(...) ::abort()
-#endif
+# if defined(__GNUC__)
+# define TEST_THROW(...) __builtin_abort()
+# else
+# include <stdlib.h>
+# define TEST_THROW(...) ::abort()
+# endif
#endif
#if defined(__GNUC__) || defined(__clang__)
@@ -348,7 +347,7 @@ inline Tp& DoNotOptimize(Tp& value) {
return value;
}
#else
-#include <intrin.h>
+# include <intrin.h>
template <class Tp>
inline Tp const& DoNotOptimize(Tp const& value) {
const volatile void* volatile unused = __builtin_addressof(value);
@@ -359,23 +358,23 @@ inline Tp const& DoNotOptimize(Tp const& value) {
#endif
#if defined(__GNUC__)
-#define TEST_ALWAYS_INLINE __attribute__((always_inline))
-#define TEST_NOINLINE __attribute__((noinline))
+# define TEST_ALWAYS_INLINE __attribute__((always_inline))
+# define TEST_NOINLINE __attribute__((noinline))
#elif defined(_MSC_VER)
-#define TEST_ALWAYS_INLINE __forceinline
-#define TEST_NOINLINE __declspec(noinline)
+# define TEST_ALWAYS_INLINE __forceinline
+# define TEST_NOINLINE __declspec(noinline)
#else
-#define TEST_ALWAYS_INLINE
-#define TEST_NOINLINE
+# define TEST_ALWAYS_INLINE
+# define TEST_NOINLINE
#endif
#ifdef _WIN32
-#define TEST_NOT_WIN32(...) ((void)0)
+# define TEST_NOT_WIN32(...) ((void)0)
#else
-#define TEST_NOT_WIN32(...) __VA_ARGS__
+# define TEST_NOT_WIN32(...) __VA_ARGS__
#endif
-#if defined(TEST_WINDOWS_DLL) ||defined(__MVS__) || defined(_AIX)
+#if defined(TEST_WINDOWS_DLL) || defined(__MVS__) || defined(_AIX)
// Macros for waiving cases when we can't count allocations done within
// the library implementation.
//
@@ -386,15 +385,14 @@ inline Tp const& DoNotOptimize(Tp const& value) {
//
// The same goes on IBM zOS.
// The same goes on AIX.
-#define ASSERT_WITH_LIBRARY_INTERNAL_ALLOCATIONS(...) ((void)(__VA_ARGS__))
-#define TEST_SUPPORTS_LIBRARY_INTERNAL_ALLOCATIONS 0
+# define ASSERT_WITH_LIBRARY_INTERNAL_ALLOCATIONS(...) ((void)(__VA_ARGS__))
+# define TEST_SUPPORTS_LIBRARY_INTERNAL_ALLOCATIONS 0
#else
-#define ASSERT_WITH_LIBRARY_INTERNAL_ALLOCATIONS(...) assert(__VA_ARGS__)
-#define TEST_SUPPORTS_LIBRARY_INTERNAL_ALLOCATIONS 1
+# define ASSERT_WITH_LIBRARY_INTERNAL_ALLOCATIONS(...) assert(__VA_ARGS__)
+# define TEST_SUPPORTS_LIBRARY_INTERNAL_ALLOCATIONS 1
#endif
-#if (defined(TEST_WINDOWS_DLL) && !defined(_MSC_VER)) || \
- defined(__MVS__)
+#if (defined(TEST_WINDOWS_DLL) && !defined(_MSC_VER)) || defined(__MVS__)
// Normally, a replaced e.g. 'operator new' ends up used if the user code
// does a call to e.g. 'operator new[]'; it's enough to replace the base
// versions and have it override all of them.
@@ -408,13 +406,13 @@ inline Tp const& DoNotOptimize(Tp const& value) {
// the end user executable, and these fallbacks work even in DLL configurations.
// In MinGW configurations when built as a DLL, and on zOS, these fallbacks
// don't work though.
-#define ASSERT_WITH_OPERATOR_NEW_FALLBACKS(...) ((void)(__VA_ARGS__))
+# define ASSERT_WITH_OPERATOR_NEW_FALLBACKS(...) ((void)(__VA_ARGS__))
#else
-#define ASSERT_WITH_OPERATOR_NEW_FALLBACKS(...) assert(__VA_ARGS__)
+# define ASSERT_WITH_OPERATOR_NEW_FALLBACKS(...) assert(__VA_ARGS__)
#endif
#ifdef _WIN32
-#define TEST_WIN_NO_FILESYSTEM_PERMS_NONE
+# define TEST_WIN_NO_FILESYSTEM_PERMS_NONE
#endif
// Support for carving out parts of the test suite, like removing wide characters, etc.
@@ -500,7 +498,7 @@ inline Tp const& DoNotOptimize(Tp const& value) {
# define TEST_DIAGNOSTIC_POP _Pragma("warning(pop)")
# define TEST_CLANG_DIAGNOSTIC_IGNORED(str)
# define TEST_GCC_DIAGNOSTIC_IGNORED(str)
-# define TEST_MSVC_DIAGNOSTIC_IGNORED(num) _Pragma(TEST_STRINGIZE(warning(disable: num)))
+# define TEST_MSVC_DIAGNOSTIC_IGNORED(num) _Pragma(TEST_STRINGIZE(warning(disable : num)))
#else
# define TEST_DIAGNOSTIC_PUSH
# define TEST_DIAGNOSTIC_POP
@@ -510,11 +508,11 @@ inline Tp const& DoNotOptimize(Tp const& value) {
#endif
#if __has_cpp_attribute(msvc::no_unique_address)
-#define TEST_NO_UNIQUE_ADDRESS [[msvc::no_unique_address]]
+# define TEST_NO_UNIQUE_ADDRESS [[msvc::no_unique_address]]
#elif __has_cpp_attribute(no_unique_address)
-#define TEST_NO_UNIQUE_ADDRESS [[no_unique_address]]
+# define TEST_NO_UNIQUE_ADDRESS [[no_unique_address]]
#else
-#define TEST_NO_UNIQUE_ADDRESS
+# define TEST_NO_UNIQUE_ADDRESS
#endif
#ifdef _LIBCPP_SHORT_WCHAR
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