op_divide_duration.pass.cpp (1963B)
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 // template <class Rep1, class Period1, class Rep2, class Period2> 15 // constexpr 16 // typename common_type<Rep1, Rep2>::type 17 // operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 18 19 #include <chrono> 20 #include <cassert> 21 22 #include "test_macros.h" 23 #include "truncate_fp.h" 24 25 int main() 26 { 27 { 28 std::chrono::nanoseconds ns1(15); 29 std::chrono::nanoseconds ns2(5); 30 assert(ns1 / ns2 == 3); 31 } 32 { 33 std::chrono::microseconds us1(15); 34 std::chrono::nanoseconds ns2(5); 35 assert(us1 / ns2 == 3000); 36 } 37 { 38 std::chrono::duration<int, std::ratio<2, 3> > s1(30); 39 std::chrono::duration<int, std::ratio<3, 5> > s2(5); 40 assert(s1 / s2 == 6); 41 } 42 { 43 std::chrono::duration<int, std::ratio<2, 3> > s1(30); 44 std::chrono::duration<double, std::ratio<3, 5> > s2(5); 45 assert(s1 / s2 == truncate_fp(20./3)); 46 } 47 #if TEST_STD_VER >= 11 48 { 49 constexpr std::chrono::nanoseconds ns1(15); 50 constexpr std::chrono::nanoseconds ns2(5); 51 static_assert(ns1 / ns2 == 3, ""); 52 } 53 { 54 constexpr std::chrono::microseconds us1(15); 55 constexpr std::chrono::nanoseconds ns2(5); 56 static_assert(us1 / ns2 == 3000, ""); 57 } 58 { 59 constexpr std::chrono::duration<int, std::ratio<2, 3> > s1(30); 60 constexpr std::chrono::duration<int, std::ratio<3, 5> > s2(5); 61 static_assert(s1 / s2 == 6, ""); 62 } 63 { 64 constexpr std::chrono::duration<int, std::ratio<2, 3> > s1(30); 65 constexpr std::chrono::duration<double, std::ratio<3, 5> > s2(5); 66 static_assert(s1 / s2 == 20./3, ""); 67 } 68 #endif 69 }