diff libstdc++-v3/testsuite/std/time/syn_c++20.cc @ 19:2b5abeee2509 default tip

update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libstdc++-v3/testsuite/std/time/syn_c++20.cc	Mon May 25 07:50:57 2020 +0900
@@ -0,0 +1,199 @@
+// Copyright (C) 2020 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// { dg-options "-std=gnu++2a" }
+// { dg-do compile { target c++2a } }
+
+#include <chrono>
+
+#ifndef __cpp_lib_chrono
+# error "Feature test macro for chrono is missing in <chrono>"
+// FIXME
+// #elif __cpp_lib_chrono < 201907L
+// # error "Feature test macro for chrono has wrong value in <chrono>"
+#endif
+
+namespace __gnu_test
+{
+  // Check for the new additions to <chrono> in C++20
+
+  using std::chrono::is_clock;
+  using std::chrono::is_clock_v;
+
+  using std::chrono::days;
+  using std::chrono::weeks;
+  using std::chrono::years;
+  using std::chrono::months;
+
+  using std::chrono::sys_time;
+  using std::chrono::sys_seconds;
+  using std::chrono::sys_days;
+
+  // FIXME
+#if 0
+  using std::chrono::utc_clock;
+  using std::chrono::utc_time;
+  using std::chrono::utc_seconds;
+
+  using std::chrono::leap_second_info;
+  using std::chrono::get_leap_second_info;
+
+  using std::chrono::tai_clock;
+  using std::chrono::tai_time;
+  using std::chrono::tai_seconds;
+
+  using std::chrono::gps_clock;
+  using std::chrono::gps_time;
+  using std::chrono::gps_seconds;
+#endif
+
+  using std::chrono::file_clock;
+  using std::chrono::file_time;
+
+  using std::chrono::local_t;
+  using std::chrono::local_time;
+  using std::chrono::local_seconds;
+  using std::chrono::local_days;
+
+  // FIXME
+#if 0
+  using std::chrono::clock_time_conversion;
+  using std::chrono::clock_cast;
+
+  using std::chrono::last_spec;
+
+  using std::chrono::day;
+  using std::chrono::month;
+  using std::chrono::year;
+  using std::chrono::weekday;
+  using std::chrono::weekday_indexed;
+  using std::chrono::weekday_last;
+  using std::chrono::month_day;
+  using std::chrono::month_day_last;
+  using std::chrono::month_weekday;
+  using std::chrono::month_weekday_last;
+  using std::chrono::year_month;
+  using std::chrono::year_month_day;
+  using std::chrono::year_month_day_last;
+  using std::chrono::year_month_weekday;
+  using std::chrono::year_month_weekday_last;
+  using std::chrono::year_month;
+  using std::chrono::year_month_day;
+
+  using std::chrono::hh_mm_ss;
+  using std::chrono::is_am;
+  using std::chrono::is_pm;
+  using std::chrono::make12;
+  using std::chrono::make24;
+
+  using std::chrono::tzdb;
+  using std::chrono::tzdb_list;
+  using std::chrono::get_tzdb;
+  using std::chrono::get_tzdb_list;
+  using std::chrono::locate_zone;
+  using std::chrono::current_zone;
+
+  using std::chrono::reload_tzdb;
+  using std::chrono::remote_version;
+
+  using std::chrono::nonexistent_local_time;
+  using std::chrono::ambiguous_local_time;
+
+  using std::chrono::sys_info;
+  using std::chrono::local_info;
+
+  using std::chrono::choose;
+  using std::chrono::time_zone;
+
+  using std::chrono::zoned_traits;
+  using std::chrono::zoned_time;
+  using std::chrono::zoned_seconds;
+
+  using std::chrono::leap_second;
+
+  using std::chrono::time_zone_link;
+
+  using std::chrono::local_time_format;
+
+  using std::chrono::parse;
+
+  using std::chrono::last;
+  using std::chrono::Sunday;
+  using std::chrono::Monday;
+  using std::chrono::Tuesday;
+  using std::chrono::Wednesday;
+  using std::chrono::Thursday;
+  using std::chrono::Friday;
+  using std::chrono::Saturday;
+
+  using std::chrono::January;
+  using std::chrono::February;
+  using std::chrono::March;
+  using std::chrono::April;
+  using std::chrono::May;
+  using std::chrono::June;
+  using std::chrono::July;
+  using std::chrono::August;
+  using std::chrono::September;
+  using std::chrono::October;
+  using std::chrono::November;
+  using std::chrono::December;
+
+  using std::chrono_literals::operator""d;
+  using std::chrono_literals::operator""y;
+#endif
+
+  template<typename>
+    constexpr bool is_duration = false;
+  template<typename R, typename P>
+    constexpr bool is_duration<std::chrono::duration<R, P>> = true;
+
+  static_assert( is_duration<days> );
+  static_assert( is_duration<weeks> );
+  static_assert( is_duration<years> );
+  static_assert( is_duration<months> );
+
+  template<typename D, typename P>
+    constexpr bool has_period = std::is_same_v<typename D::period, P>;
+
+  using std::ratio;
+  using std::ratio_multiply;
+  using std::ratio_divide;
+  using std::chrono::hours;
+  static_assert( has_period<days, ratio_multiply<ratio<24>, hours::period>> );
+  static_assert( has_period<weeks, ratio_multiply<ratio<7>, days::period>> );
+  static_assert( has_period<years,
+			    ratio_multiply<ratio<146097, 400>, days::period>> );
+  static_assert( has_period<months, ratio_divide<years::period, ratio<12>>> );
+
+  template<typename>
+    constexpr bool is_time_point = false;
+  template<typename C, typename D>
+    constexpr bool is_time_point<std::chrono::time_point<C, D>> = true;
+
+  static_assert( is_time_point<sys_time<std::chrono::milliseconds>> );
+  static_assert( is_time_point<sys_seconds> );
+  static_assert( is_time_point<sys_days> );
+
+  static_assert( std::is_class_v<local_t> );
+  static_assert( is_time_point<local_time<std::chrono::milliseconds>> );
+  static_assert( is_time_point<local_seconds> );
+  static_assert( is_time_point<local_days> );
+
+  static_assert( std::is_class_v<file_clock> );
+  static_assert( is_time_point<file_time<std::chrono::milliseconds>> );
+}