1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <chrono> 10 11 // duration 12 13 // static constexpr duration min(); // noexcept after C++17 14 15 #include <chrono> 16 #include <limits> 17 #include <cassert> 18 19 #include "test_macros.h" 20 #include "../../rep.h" 21 22 template <class D> test()23void test() 24 { 25 LIBCPP_ASSERT_NOEXCEPT(std::chrono::duration_values<typename D::rep>::min()); 26 #if TEST_STD_VER > 17 27 ASSERT_NOEXCEPT( std::chrono::duration_values<typename D::rep>::min()); 28 #endif 29 { 30 typedef typename D::rep DRep; 31 DRep min_rep = std::chrono::duration_values<DRep>::min(); 32 assert(D::min().count() == min_rep); 33 } 34 #if TEST_STD_VER >= 11 35 { 36 typedef typename D::rep DRep; 37 constexpr DRep min_rep = std::chrono::duration_values<DRep>::min(); 38 static_assert(D::min().count() == min_rep, ""); 39 } 40 #endif 41 } 42 main(int,char **)43int main(int, char**) 44 { 45 test<std::chrono::duration<int> >(); 46 test<std::chrono::duration<Rep> >(); 47 48 return 0; 49 } 50