1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <chrono> 11 12 // duration 13 14 // static constexpr duration min(); // noexcept after C++17 15 16 #include <chrono> 17 #include <limits> 18 #include <cassert> 19 20 #include "test_macros.h" 21 #include "../../rep.h" 22 23 template <class D> 24 void test() 25 { 26 LIBCPP_ASSERT_NOEXCEPT(std::chrono::duration_values<typename D::rep>::min()); 27 #if TEST_STD_VER > 17 28 ASSERT_NOEXCEPT( std::chrono::duration_values<typename D::rep>::min()); 29 #endif 30 { 31 typedef typename D::rep Rep; 32 Rep min_rep = std::chrono::duration_values<Rep>::min(); 33 assert(D::min().count() == min_rep); 34 } 35 #if TEST_STD_VER >= 11 36 { 37 typedef typename D::rep Rep; 38 constexpr Rep min_rep = std::chrono::duration_values<Rep>::min(); 39 static_assert(D::min().count() == min_rep, ""); 40 } 41 #endif 42 } 43 44 int main() 45 { 46 test<std::chrono::duration<int> >(); 47 test<std::chrono::duration<Rep> >(); 48 } 49
