[libcxx-commits] [libcxx] [libc++][NFC] Format `std::midpoint` tests (PR #175531)
via libcxx-commits
libcxx-commits at lists.llvm.org
Sun Feb 8 14:06:06 PST 2026
https://github.com/eiytoq updated https://github.com/llvm/llvm-project/pull/175531
>From b12b579097160ba3034efd1a3bc7c86027118b6d Mon Sep 17 00:00:00 2001
From: eiytoq <eiytoq at outlook.com>
Date: Thu, 5 Feb 2026 18:23:08 +0800
Subject: [PATCH 1/2] NFC
---
.../midpoint.float.pass.cpp | 199 +++++++--------
.../midpoint.integer.pass.cpp | 229 +++++++++---------
.../midpoint.pointer.pass.cpp | 114 +++++----
3 files changed, 269 insertions(+), 273 deletions(-)
diff --git a/libcxx/test/std/numerics/numeric.ops/numeric.ops.midpoint/midpoint.float.pass.cpp b/libcxx/test/std/numerics/numeric.ops/numeric.ops.midpoint/midpoint.float.pass.cpp
index 0d28cff511dee..c9fa38694a32e 100644
--- a/libcxx/test/std/numerics/numeric.ops/numeric.ops.midpoint/midpoint.float.pass.cpp
+++ b/libcxx/test/std/numerics/numeric.ops/numeric.ops.midpoint/midpoint.float.pass.cpp
@@ -5,18 +5,17 @@
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
-//
-// UNSUPPORTED: c++03, c++11, c++14, c++17
+
+// REQUIRES: std-at-least-c++20
// <numeric>
-// template <class _Float>
-// _Tp midpoint(_Float __a, _Float __b) noexcept
-//
+// template <class _Fp>
+// _Fp midpoint(_Fp __a, _Fp __b) noexcept
+#include <cassert>
#include <limits>
#include <numeric>
-#include <cassert>
#include "test_macros.h"
#include "fp_compare.h"
@@ -26,110 +25,114 @@ template <typename T>
constexpr T fp_error_pct();
template <>
-constexpr float fp_error_pct<float>() { return 1.0e-4f; }
+constexpr float fp_error_pct<float>() {
+ return 1.0e-4f;
+}
template <>
-constexpr double fp_error_pct<double>() { return 1.0e-12; }
+constexpr double fp_error_pct<double>() {
+ return 1.0e-12;
+}
template <>
-constexpr long double fp_error_pct<long double>() { return 1.0e-13l; }
-
+constexpr long double fp_error_pct<long double>() {
+ return 1.0e-13l;
+}
template <typename T>
-void fp_test()
-{
- ASSERT_SAME_TYPE(T, decltype(std::midpoint(T(), T())));
- ASSERT_NOEXCEPT( std::midpoint(T(), T()));
-
- constexpr T maxV = std::numeric_limits<T>::max();
- constexpr T minV = std::numeric_limits<T>::min();
-
-// Things that can be compared exactly
- static_assert((std::midpoint(T(0), T(0)) == T(0)), "");
- static_assert((std::midpoint(T(2), T(4)) == T(3)), "");
- static_assert((std::midpoint(T(4), T(2)) == T(3)), "");
- static_assert((std::midpoint(T(3), T(4)) == T(3.5)), "");
- static_assert((std::midpoint(T(0), T(0.4)) == T(0.2)), "");
-
-// Things that can't be compared exactly
- constexpr T pct = fp_error_pct<T>();
- assert((fptest_close_pct(std::midpoint(T( 1.3), T(11.4)), T( 6.35), pct)));
- assert((fptest_close_pct(std::midpoint(T(11.33), T(31.45)), T(21.39), pct)));
- assert((fptest_close_pct(std::midpoint(T(-1.3), T(11.4)), T( 5.05), pct)));
- assert((fptest_close_pct(std::midpoint(T(11.4), T(-1.3)), T( 5.05), pct)));
- assert((fptest_close_pct(std::midpoint(T(0.1), T(0.4)), T(0.25), pct)));
-
- assert((fptest_close_pct(std::midpoint(T(11.2345), T(14.5432)), T(12.88885), pct)));
-
-// From e to pi
- assert((fptest_close_pct(std::midpoint(T(2.71828182845904523536028747135266249775724709369995),
- T(3.14159265358979323846264338327950288419716939937510)),
- T(2.92993724102441923691146542731608269097720824653752), pct)));
-
- assert((fptest_close_pct(std::midpoint(maxV, T(0)), maxV/2, pct)));
- assert((fptest_close_pct(std::midpoint(T(0), maxV), maxV/2, pct)));
- assert((fptest_close_pct(std::midpoint(minV, T(0)), minV/2, pct)));
- assert((fptest_close_pct(std::midpoint(T(0), minV), minV/2, pct)));
- assert((fptest_close_pct(std::midpoint(maxV, maxV), maxV, pct)));
- assert((fptest_close_pct(std::midpoint(minV, minV), minV, pct)));
- assert((fptest_close_pct(std::midpoint(maxV, minV), maxV/2, pct)));
- assert((fptest_close_pct(std::midpoint(minV, maxV), maxV/2, pct)));
-
-// Near the min and the max
- assert((fptest_close_pct(std::midpoint(maxV*T(0.75), maxV*T(0.50)), maxV*T(0.625), pct)));
- assert((fptest_close_pct(std::midpoint(maxV*T(0.50), maxV*T(0.75)), maxV*T(0.625), pct)));
- assert((fptest_close_pct(std::midpoint(minV*T(2), minV*T(8)), minV*T(5), pct)));
-
-// Big numbers of different signs
- assert((fptest_close_pct(std::midpoint(maxV*T( 0.75), maxV*T(-0.5)), maxV*T( 0.125), pct)));
- assert((fptest_close_pct(std::midpoint(maxV*T(-0.75), maxV*T( 0.5)), maxV*T(-0.125), pct)));
-
-// Denormalized values
-// TODO
-
-// Check two values "close to each other"
- T d1 = T(3.14);
- T d0 = std::nextafter(d1, T(2));
- T d2 = std::nextafter(d1, T(5));
- assert(d0 < d1); // sanity checking
- assert(d1 < d2); // sanity checking
+void fp_test() {
+ ASSERT_SAME_TYPE(T, decltype(std::midpoint(T(), T())));
+ ASSERT_NOEXCEPT(std::midpoint(T(), T()));
+
+ constexpr T maxV = std::numeric_limits<T>::max();
+ constexpr T minV = std::numeric_limits<T>::min();
+
+ // Things that can be compared exactly
+ static_assert((std::midpoint(T(0), T(0)) == T(0)), "");
+ static_assert((std::midpoint(T(2), T(4)) == T(3)), "");
+ static_assert((std::midpoint(T(4), T(2)) == T(3)), "");
+ static_assert((std::midpoint(T(3), T(4)) == T(3.5)), "");
+ static_assert((std::midpoint(T(0), T(0.4)) == T(0.2)), "");
+
+ // Things that can't be compared exactly
+ constexpr T pct = fp_error_pct<T>();
+ assert((fptest_close_pct(std::midpoint(T(1.3), T(11.4)), T(6.35), pct)));
+ assert((fptest_close_pct(std::midpoint(T(11.33), T(31.45)), T(21.39), pct)));
+ assert((fptest_close_pct(std::midpoint(T(-1.3), T(11.4)), T(5.05), pct)));
+ assert((fptest_close_pct(std::midpoint(T(11.4), T(-1.3)), T(5.05), pct)));
+ assert((fptest_close_pct(std::midpoint(T(0.1), T(0.4)), T(0.25), pct)));
+
+ assert((fptest_close_pct(std::midpoint(T(11.2345), T(14.5432)), T(12.88885), pct)));
+
+ // From e to pi
+ assert((fptest_close_pct(
+ std::midpoint(T(2.71828182845904523536028747135266249775724709369995),
+ T(3.14159265358979323846264338327950288419716939937510)),
+ T(2.92993724102441923691146542731608269097720824653752),
+ pct)));
+
+ assert((fptest_close_pct(std::midpoint(maxV, T(0)), maxV / 2, pct)));
+ assert((fptest_close_pct(std::midpoint(T(0), maxV), maxV / 2, pct)));
+ assert((fptest_close_pct(std::midpoint(minV, T(0)), minV / 2, pct)));
+ assert((fptest_close_pct(std::midpoint(T(0), minV), minV / 2, pct)));
+ assert((fptest_close_pct(std::midpoint(maxV, maxV), maxV, pct)));
+ assert((fptest_close_pct(std::midpoint(minV, minV), minV, pct)));
+ assert((fptest_close_pct(std::midpoint(maxV, minV), maxV / 2, pct)));
+ assert((fptest_close_pct(std::midpoint(minV, maxV), maxV / 2, pct)));
+
+ // Near the min and the max
+ assert((fptest_close_pct(std::midpoint(maxV * T(0.75), maxV * T(0.50)), maxV * T(0.625), pct)));
+ assert((fptest_close_pct(std::midpoint(maxV * T(0.50), maxV * T(0.75)), maxV * T(0.625), pct)));
+ assert((fptest_close_pct(std::midpoint(minV * T(2), minV * T(8)), minV * T(5), pct)));
+
+ // Big numbers of different signs
+ assert((fptest_close_pct(std::midpoint(maxV * T(0.75), maxV * T(-0.5)), maxV * T(0.125), pct)));
+ assert((fptest_close_pct(std::midpoint(maxV * T(-0.75), maxV * T(0.5)), maxV * T(-0.125), pct)));
+
+ // Denormalized values
+ // TODO
+
+ // Check two values "close to each other"
+ T d1 = T(3.14);
+ T d0 = std::nextafter(d1, T(2));
+ T d2 = std::nextafter(d1, T(5));
+ assert(d0 < d1); // sanity checking
+ assert(d1 < d2); // sanity checking
#if defined(__PPC__) && (defined(__LONG_DOUBLE_128__) && __LONG_DOUBLE_128__) && \
!(defined(__LONG_DOUBLE_IEEE128__) && __LONG_DOUBLE_IEEE128__)
-// For 128 bit long double implemented as 2 doubles on PowerPC,
-// nextafterl() of libm gives imprecise results which fails the
-// midpoint() tests below. So skip the test for this case.
- if constexpr (sizeof(T) != 16)
+ // For 128 bit long double implemented as 2 doubles on PowerPC,
+ // nextafterl() of libm gives imprecise results which fails the
+ // midpoint() tests below. So skip the test for this case.
+ if constexpr (sizeof(T) != 16)
#endif
- {
+ {
// Since there's nothing in between, the midpoint has to be one or the other
- T res;
- res = std::midpoint(d0, d1);
- assert(res == d0 || res == d1);
- assert(d0 <= res);
- assert(res <= d1);
- res = std::midpoint(d1, d0);
- assert(res == d0 || res == d1);
- assert(d0 <= res);
- assert(res <= d1);
-
- res = std::midpoint(d1, d2);
- assert(res == d1 || res == d2);
- assert(d1 <= res);
- assert(res <= d2);
- res = std::midpoint(d2, d1);
- assert(res == d1 || res == d2);
- assert(d1 <= res);
- assert(res <= d2);
- }
+ T res;
+ res = std::midpoint(d0, d1);
+ assert(res == d0 || res == d1);
+ assert(d0 <= res);
+ assert(res <= d1);
+ res = std::midpoint(d1, d0);
+ assert(res == d0 || res == d1);
+ assert(d0 <= res);
+ assert(res <= d1);
+
+ res = std::midpoint(d1, d2);
+ assert(res == d1 || res == d2);
+ assert(d1 <= res);
+ assert(res <= d2);
+ res = std::midpoint(d2, d1);
+ assert(res == d1 || res == d2);
+ assert(d1 <= res);
+ assert(res <= d2);
+ }
}
+int main(int, char**) {
+ fp_test<float>();
+ fp_test<double>();
+ fp_test<long double>();
-int main (int, char**)
-{
- fp_test<float>();
- fp_test<double>();
- fp_test<long double>();
-
- return 0;
+ return 0;
}
diff --git a/libcxx/test/std/numerics/numeric.ops/numeric.ops.midpoint/midpoint.integer.pass.cpp b/libcxx/test/std/numerics/numeric.ops/numeric.ops.midpoint/midpoint.integer.pass.cpp
index c506d0776a02c..d58397bdfd67a 100644
--- a/libcxx/test/std/numerics/numeric.ops/numeric.ops.midpoint/midpoint.integer.pass.cpp
+++ b/libcxx/test/std/numerics/numeric.ops/numeric.ops.midpoint/midpoint.integer.pass.cpp
@@ -5,140 +5,139 @@
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
-//
-// UNSUPPORTED: c++03, c++11, c++14, c++17
+
+// REQUIRES: std-at-least-c++20
+
// <numeric>
// template <class _Tp>
// _Tp midpoint(_Tp __a, _Tp __b) noexcept
-//
+// Constraints:
+// - T is an arithmetic type other than bool.
-#include <stdint.h>
-#include <limits>
-#include <numeric>
#include <cassert>
#include <cstddef>
#include <cstdint>
+#include <limits>
+#include <numeric>
+#include <stdint.h>
+
#include "test_macros.h"
template <typename T>
-void signed_test()
-{
- constexpr T zero{0};
- constexpr T one{1};
- constexpr T two{2};
- constexpr T three{3};
- constexpr T four{4};
-
- ASSERT_SAME_TYPE(decltype(std::midpoint(T(), T())), T);
- ASSERT_NOEXCEPT( std::midpoint(T(), T()));
- using limits = std::numeric_limits<T>;
-
- static_assert(std::midpoint(one, three) == two, "");
- static_assert(std::midpoint(three, one) == two, "");
-
- assert(std::midpoint(zero, zero) == zero);
- assert(std::midpoint(zero, two) == one);
- assert(std::midpoint(two, zero) == one);
- assert(std::midpoint(two, two) == two);
-
- assert(std::midpoint(one, four) == two);
- assert(std::midpoint(four, one) == three);
- assert(std::midpoint(three, four) == three);
- assert(std::midpoint(four, three) == four);
-
- assert(std::midpoint(T( 3), T( 4)) == T(3));
- assert(std::midpoint(T( 4), T( 3)) == T(4));
- assert(std::midpoint(T(-3), T( 4)) == T(0));
- assert(std::midpoint(T(-4), T( 3)) == T(-1));
- assert(std::midpoint(T( 3), T(-4)) == T(0));
- assert(std::midpoint(T( 4), T(-3)) == T(1));
- assert(std::midpoint(T(-3), T(-4)) == T(-3));
- assert(std::midpoint(T(-4), T(-3)) == T(-4));
-
- static_assert(std::midpoint(limits::min(), limits::max()) == T(-1), "");
- static_assert(std::midpoint(limits::max(), limits::min()) == T( 0), "");
-
- static_assert(std::midpoint(limits::min(), T(6)) == limits::min()/2 + 3, "");
- assert( std::midpoint(T(6), limits::min()) == limits::min()/2 + 3);
- assert( std::midpoint(limits::max(), T(6)) == limits::max()/2 + 4);
- static_assert(std::midpoint(T(6), limits::max()) == limits::max()/2 + 3, "");
-
- assert( std::midpoint(limits::min(), T(-6)) == limits::min()/2 - 3);
- static_assert(std::midpoint(T(-6), limits::min()) == limits::min()/2 - 3, "");
- static_assert(std::midpoint(limits::max(), T(-6)) == limits::max()/2 - 2, "");
- assert( std::midpoint(T(-6), limits::max()) == limits::max()/2 - 3);
+void signed_test() {
+ constexpr T zero{0};
+ constexpr T one{1};
+ constexpr T two{2};
+ constexpr T three{3};
+ constexpr T four{4};
+
+ ASSERT_SAME_TYPE(decltype(std::midpoint(T(), T())), T);
+ ASSERT_NOEXCEPT(std::midpoint(T(), T()));
+ using limits = std::numeric_limits<T>;
+
+ static_assert(std::midpoint(one, three) == two, "");
+ static_assert(std::midpoint(three, one) == two, "");
+
+ assert(std::midpoint(zero, zero) == zero);
+ assert(std::midpoint(zero, two) == one);
+ assert(std::midpoint(two, zero) == one);
+ assert(std::midpoint(two, two) == two);
+
+ assert(std::midpoint(one, four) == two);
+ assert(std::midpoint(four, one) == three);
+ assert(std::midpoint(three, four) == three);
+ assert(std::midpoint(four, three) == four);
+
+ assert(std::midpoint(T(3), T(4)) == T(3));
+ assert(std::midpoint(T(4), T(3)) == T(4));
+ assert(std::midpoint(T(-3), T(4)) == T(0));
+ assert(std::midpoint(T(-4), T(3)) == T(-1));
+ assert(std::midpoint(T(3), T(-4)) == T(0));
+ assert(std::midpoint(T(4), T(-3)) == T(1));
+ assert(std::midpoint(T(-3), T(-4)) == T(-3));
+ assert(std::midpoint(T(-4), T(-3)) == T(-4));
+
+ static_assert(std::midpoint(limits::min(), limits::max()) == T(-1), "");
+ static_assert(std::midpoint(limits::max(), limits::min()) == T(0), "");
+
+ static_assert(std::midpoint(limits::min(), T(6)) == limits::min() / 2 + 3, "");
+ assert(std::midpoint(T(6), limits::min()) == limits::min() / 2 + 3);
+ assert(std::midpoint(limits::max(), T(6)) == limits::max() / 2 + 4);
+ static_assert(std::midpoint(T(6), limits::max()) == limits::max() / 2 + 3, "");
+
+ assert(std::midpoint(limits::min(), T(-6)) == limits::min() / 2 - 3);
+ static_assert(std::midpoint(T(-6), limits::min()) == limits::min() / 2 - 3, "");
+ static_assert(std::midpoint(limits::max(), T(-6)) == limits::max() / 2 - 2, "");
+ assert(std::midpoint(T(-6), limits::max()) == limits::max() / 2 - 3);
}
template <typename T>
-void unsigned_test()
-{
- constexpr T zero{0};
- constexpr T one{1};
- constexpr T two{2};
- constexpr T three{3};
- constexpr T four{4};
-
- ASSERT_SAME_TYPE(decltype(std::midpoint(T(), T())), T);
- ASSERT_NOEXCEPT( std::midpoint(T(), T()));
- using limits = std::numeric_limits<T>;
- const T half_way = (limits::max() - limits::min())/2;
-
- static_assert(std::midpoint(one, three) == two, "");
- static_assert(std::midpoint(three, one) == two, "");
-
- assert(std::midpoint(zero, zero) == zero);
- assert(std::midpoint(zero, two) == one);
- assert(std::midpoint(two, zero) == one);
- assert(std::midpoint(two, two) == two);
-
- assert(std::midpoint(one, four) == two);
- assert(std::midpoint(four, one) == three);
- assert(std::midpoint(three, four) == three);
- assert(std::midpoint(four, three) == four);
-
- assert(std::midpoint(limits::min(), limits::max()) == T(half_way));
- assert(std::midpoint(limits::max(), limits::min()) == T(half_way + 1));
-
- static_assert(std::midpoint(limits::min(), T(6)) == limits::min()/2 + 3, "");
- assert( std::midpoint(T(6), limits::min()) == limits::min()/2 + 3);
- assert( std::midpoint(limits::max(), T(6)) == half_way + 4);
- static_assert(std::midpoint(T(6), limits::max()) == half_way + 3, "");
+void unsigned_test() {
+ constexpr T zero{0};
+ constexpr T one{1};
+ constexpr T two{2};
+ constexpr T three{3};
+ constexpr T four{4};
+
+ ASSERT_SAME_TYPE(decltype(std::midpoint(T(), T())), T);
+ ASSERT_NOEXCEPT(std::midpoint(T(), T()));
+ using limits = std::numeric_limits<T>;
+ const T half_way = (limits::max() - limits::min()) / 2;
+
+ static_assert(std::midpoint(one, three) == two, "");
+ static_assert(std::midpoint(three, one) == two, "");
+
+ assert(std::midpoint(zero, zero) == zero);
+ assert(std::midpoint(zero, two) == one);
+ assert(std::midpoint(two, zero) == one);
+ assert(std::midpoint(two, two) == two);
+
+ assert(std::midpoint(one, four) == two);
+ assert(std::midpoint(four, one) == three);
+ assert(std::midpoint(three, four) == three);
+ assert(std::midpoint(four, three) == four);
+
+ assert(std::midpoint(limits::min(), limits::max()) == T(half_way));
+ assert(std::midpoint(limits::max(), limits::min()) == T(half_way + 1));
+
+ static_assert(std::midpoint(limits::min(), T(6)) == limits::min() / 2 + 3, "");
+ assert(std::midpoint(T(6), limits::min()) == limits::min() / 2 + 3);
+ assert(std::midpoint(limits::max(), T(6)) == half_way + 4);
+ static_assert(std::midpoint(T(6), limits::max()) == half_way + 3, "");
}
-
-int main(int, char**)
-{
- signed_test<signed char>();
- signed_test<short>();
- signed_test<int>();
- signed_test<long>();
- signed_test<long long>();
-
- signed_test<std::int8_t>();
- signed_test<std::int16_t>();
- signed_test<std::int32_t>();
- signed_test<std::int64_t>();
-
- unsigned_test<unsigned char>();
- unsigned_test<unsigned short>();
- unsigned_test<unsigned int>();
- unsigned_test<unsigned long>();
- unsigned_test<unsigned long long>();
-
- unsigned_test<std::uint8_t>();
- unsigned_test<std::uint16_t>();
- unsigned_test<std::uint32_t>();
- unsigned_test<std::uint64_t>();
+int main(int, char**) {
+ signed_test<signed char>();
+ signed_test<short>();
+ signed_test<int>();
+ signed_test<long>();
+ signed_test<long long>();
+
+ signed_test<std::int8_t>();
+ signed_test<std::int16_t>();
+ signed_test<std::int32_t>();
+ signed_test<std::int64_t>();
+
+ unsigned_test<unsigned char>();
+ unsigned_test<unsigned short>();
+ unsigned_test<unsigned int>();
+ unsigned_test<unsigned long>();
+ unsigned_test<unsigned long long>();
+
+ unsigned_test<std::uint8_t>();
+ unsigned_test<std::uint16_t>();
+ unsigned_test<std::uint32_t>();
+ unsigned_test<std::uint64_t>();
#ifndef TEST_HAS_NO_INT128
- unsigned_test<__uint128_t>();
- signed_test<__int128_t>();
+ unsigned_test<__uint128_t>();
+ signed_test<__int128_t>();
#endif
-// int_test<char>();
- signed_test<std::ptrdiff_t>();
- unsigned_test<std::size_t>();
+ // int_test<char>();
+ signed_test<std::ptrdiff_t>();
+ unsigned_test<std::size_t>();
- return 0;
+ return 0;
}
diff --git a/libcxx/test/std/numerics/numeric.ops/numeric.ops.midpoint/midpoint.pointer.pass.cpp b/libcxx/test/std/numerics/numeric.ops/numeric.ops.midpoint/midpoint.pointer.pass.cpp
index e8a25c174076a..36092d4af7aa8 100644
--- a/libcxx/test/std/numerics/numeric.ops/numeric.ops.midpoint/midpoint.pointer.pass.cpp
+++ b/libcxx/test/std/numerics/numeric.ops/numeric.ops.midpoint/midpoint.pointer.pass.cpp
@@ -5,8 +5,8 @@
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
-//
-// UNSUPPORTED: c++03, c++11, c++14, c++17
+
+// REQUIRES: std-at-least-c++20
// MSVC warning C5215: a function parameter with a volatile qualified type is deprecated in C++20
// MSVC warning C5216: a volatile qualified return type is deprecated in C++20
@@ -16,83 +16,77 @@
// template <class _Tp>
// _Tp* midpoint(_Tp* __a, _Tp* __b) noexcept
-//
+// Constraints:
+// - T is a complete object type.
-#include <numeric>
#include <cassert>
+#include <numeric>
#include "test_macros.h"
-
-
template <typename T>
-constexpr void constexpr_test()
-{
- constexpr T array[1000] = {};
- ASSERT_SAME_TYPE(decltype(std::midpoint(array, array)), const T*);
- ASSERT_NOEXCEPT( std::midpoint(array, array));
-
- static_assert(std::midpoint(array, array) == array, "");
- static_assert(std::midpoint(array, array + 1000) == array + 500, "");
-
- static_assert(std::midpoint(array, array + 9) == array + 4, "");
- static_assert(std::midpoint(array, array + 10) == array + 5, "");
- static_assert(std::midpoint(array, array + 11) == array + 5, "");
- static_assert(std::midpoint(array + 9, array) == array + 5, "");
- static_assert(std::midpoint(array + 10, array) == array + 5, "");
- static_assert(std::midpoint(array + 11, array) == array + 6, "");
+constexpr void constexpr_test() {
+ constexpr T array[1000] = {};
+ ASSERT_SAME_TYPE(decltype(std::midpoint(array, array)), const T*);
+ ASSERT_NOEXCEPT(std::midpoint(array, array));
+
+ static_assert(std::midpoint(array, array) == array, "");
+ static_assert(std::midpoint(array, array + 1000) == array + 500, "");
+
+ static_assert(std::midpoint(array, array + 9) == array + 4, "");
+ static_assert(std::midpoint(array, array + 10) == array + 5, "");
+ static_assert(std::midpoint(array, array + 11) == array + 5, "");
+ static_assert(std::midpoint(array + 9, array) == array + 5, "");
+ static_assert(std::midpoint(array + 10, array) == array + 5, "");
+ static_assert(std::midpoint(array + 11, array) == array + 6, "");
}
template <typename T>
-void runtime_test()
-{
- T array[1000] = {}; // we need an array to make valid pointers
- ASSERT_SAME_TYPE(decltype(std::midpoint(array, array)), T*);
- ASSERT_NOEXCEPT( std::midpoint(array, array));
-
- assert(std::midpoint(array, array) == array);
- assert(std::midpoint(array, array + 1000) == array + 500);
-
- assert(std::midpoint(array, array + 9) == array + 4);
- assert(std::midpoint(array, array + 10) == array + 5);
- assert(std::midpoint(array, array + 11) == array + 5);
- assert(std::midpoint(array + 9, array) == array + 5);
- assert(std::midpoint(array + 10, array) == array + 5);
- assert(std::midpoint(array + 11, array) == array + 6);
-
- // explicit instantiation
- ASSERT_SAME_TYPE(decltype(std::midpoint<T>(array, array)), T*);
- ASSERT_NOEXCEPT(std::midpoint<T>(array, array));
- assert(std::midpoint<T>(array, array) == array);
- assert(std::midpoint<T>(array, array + 1000) == array + 500);
+void runtime_test() {
+ T array[1000] = {}; // we need an array to make valid pointers
+ ASSERT_SAME_TYPE(decltype(std::midpoint(array, array)), T*);
+ ASSERT_NOEXCEPT(std::midpoint(array, array));
+
+ assert(std::midpoint(array, array) == array);
+ assert(std::midpoint(array, array + 1000) == array + 500);
+
+ assert(std::midpoint(array, array + 9) == array + 4);
+ assert(std::midpoint(array, array + 10) == array + 5);
+ assert(std::midpoint(array, array + 11) == array + 5);
+ assert(std::midpoint(array + 9, array) == array + 5);
+ assert(std::midpoint(array + 10, array) == array + 5);
+ assert(std::midpoint(array + 11, array) == array + 6);
+
+ // explicit instantiation
+ ASSERT_SAME_TYPE(decltype(std::midpoint<T>(array, array)), T*);
+ ASSERT_NOEXCEPT(std::midpoint<T>(array, array));
+ assert(std::midpoint<T>(array, array) == array);
+ assert(std::midpoint<T>(array, array + 1000) == array + 500);
}
template <typename T>
-void pointer_test()
-{
- runtime_test< T>();
- runtime_test<const T>();
- runtime_test< volatile T>();
- runtime_test<const volatile T>();
+void pointer_test() {
+ runtime_test< T>();
+ runtime_test<const T>();
+ runtime_test< volatile T>();
+ runtime_test<const volatile T>();
-// The constexpr tests are always const, but we can test them anyway.
- constexpr_test< T>();
- constexpr_test<const T>();
+ // The constexpr tests are always const, but we can test them anyway.
+ constexpr_test< T>();
+ constexpr_test<const T>();
// GCC 9.0.1 (unreleased as of 2019-03) barfs on this, but we have a bot for it.
// Uncomment when gcc 9.1 is released
#ifndef TEST_COMPILER_GCC
- constexpr_test< volatile T>();
- constexpr_test<const volatile T>();
+ constexpr_test< volatile T>();
+ constexpr_test<const volatile T>();
#endif
}
+int main(int, char**) {
+ pointer_test<char>();
+ pointer_test<int>();
+ pointer_test<double>();
-int main(int, char**)
-{
- pointer_test<char>();
- pointer_test<int>();
- pointer_test<double>();
-
- return 0;
+ return 0;
}
>From ba1fc1bebae2840df448afe99a1a2df568ee2ebc Mon Sep 17 00:00:00 2001
From: eiytoq <eiytoq at outlook.com>
Date: Mon, 9 Feb 2026 06:05:28 +0800
Subject: [PATCH 2/2] Re-run CI
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