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 // UNSUPPORTED: c++03, c++11, c++14, c++17 10 // UNSUPPORTED: no-filesystem, no-localization, no-tzdb 11 12 // XFAIL: libcpp-has-no-experimental-tzdb 13 // XFAIL: availability-tzdb-missing 14 15 // <chrono> 16 17 // class leap_second 18 // { 19 // leap_second(const leap_second&) = default; 20 // 21 // ... 22 // }; 23 24 #include <cassert> 25 #include <chrono> 26 #include <concepts> 27 #include <type_traits> 28 29 #include "test_chrono_leap_second.h" 30 31 constexpr bool test() { 32 std::chrono::leap_second a = 33 test_leap_second_create(std::chrono::sys_seconds{std::chrono::seconds{0}}, std::chrono::seconds{1}); 34 35 { 36 std::chrono::leap_second b = a; 37 38 // operator== only compares the date member. 39 assert(a.date() == b.date()); 40 assert(a.value() == b.value()); 41 } 42 43 #ifdef _LIBCPP_VERSION 44 { 45 // Tests an rvalue uses the copy constructor. 46 // Since implementations are allowed to add additional constructors this is 47 // a libc++ specific test. 48 std::chrono::leap_second b = std::move(a); 49 50 // operator== only compares the date member. 51 assert(a.date() == b.date()); 52 assert(a.value() == b.value()); 53 } 54 // libc++ does not provide a default constructor. 55 static_assert(!std::is_default_constructible_v<std::chrono::leap_second>); 56 #endif // _LIBCPP_VERSION 57 58 return true; 59 } 60 61 int main(int, const char**) { 62 static_assert(std::copy_constructible<std::chrono::leap_second>); 63 64 test(); 65 static_assert(test()); 66 67 return 0; 68 } 69