03c19e91e8
Implements: https://wg21.link/P0543R3 - https://eel.is/c++draft/numeric.sat Additional references: - Division: https://eel.is/c++draft/expr.mul#4 - Arithmetic conversions: https://eel.is/c++draft/expr.arith.conv#1 - Clang builtins: https://clang.llvm.org/docs/LanguageExtensions.html#builtin-functions Depends on: https://github.com/llvm/llvm-project/pull/78086 --------- Co-authored-by: Zingam <zingam@outlook.com> Co-authored-by: Mark de Wever <zar-rpg@xs4all.nl>
59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20, c++23
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// REQUIRES: has-unix-headers
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// REQUIRES: libcpp-hardening-mode={{extensive|debug}}
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// XFAIL: availability-verbose_abort-missing
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// <numeric>
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// template<class T>
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// constexpr T div_sat(T x, T y) noexcept; // freestanding
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#include <cassert>
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#include <numeric>
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#include "check_assertion.h"
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#include "test_macros.h"
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template <typename IntegerT>
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void test_runtime_assertion() {
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TEST_LIBCPP_ASSERT_FAILURE((void)std::div_sat(IntegerT{27}, IntegerT{0}), "Division by 0 is undefined");
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}
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bool test() {
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// Signed
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test_runtime_assertion<signed char>();
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test_runtime_assertion<short int>();
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test_runtime_assertion<int>();
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test_runtime_assertion<long int>();
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test_runtime_assertion<long long int>();
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#ifndef TEST_HAS_NO_INT128
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test_runtime_assertion<__int128_t>();
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#endif
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// Unsigned
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test_runtime_assertion<unsigned char>();
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test_runtime_assertion<unsigned short int>();
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test_runtime_assertion<unsigned int>();
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test_runtime_assertion<unsigned long int>();
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test_runtime_assertion<unsigned long long int>();
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#ifndef TEST_HAS_NO_INT128
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test_runtime_assertion<__uint128_t>();
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#endif
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return true;
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}
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int main(int, char**) {
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test();
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return 0;
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}
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