literals.pass.cpp (1215B)
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 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 10 // UNSUPPORTED: clang-5, clang-6, clang-7 11 // UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8, apple-clang-9, apple-clang-10 12 13 // <chrono> 14 // class day; 15 16 // constexpr day operator""d(unsigned long long d) noexcept; 17 18 #include <chrono> 19 #include <type_traits> 20 #include <cassert> 21 22 #include "test_macros.h" 23 24 int main() 25 { 26 { 27 using namespace std::chrono; 28 ASSERT_NOEXCEPT( 4d); 29 ASSERT_SAME_TYPE(day, decltype(4d)); 30 31 static_assert( 7d == day(7), ""); 32 day d1 = 4d; 33 assert (d1 == day(4)); 34 } 35 36 { 37 using namespace std::literals; 38 ASSERT_NOEXCEPT( 4d); 39 ASSERT_SAME_TYPE(std::chrono::day, decltype(4d)); 40 41 static_assert( 7d == std::chrono::day(7), ""); 42 43 std::chrono::day d1 = 4d; 44 assert (d1 == std::chrono::day(4)); 45 } 46 47 }