libcxx/test/std/time/time.cal/time.cal.year/time.cal.year.nonmembers/comparisons.pass.cpp

   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 // UNSUPPORTED: c++03, c++11, c++14, c++17
   9
  10 // <chrono>
  11 // class year;
  12
  13 // constexpr bool operator==(const year& x, const year& y) noexcept;
  14 // constexpr strong_ordering operator<=>(const year& x, const year& y) noexcept;
  15
  16 #include <chrono>
  17 #include <type_traits>
  18 #include <cassert>
  19
  20 #include "test_macros.h"
  21 #include "test_comparisons.h"
  22
  23 constexpr bool test() {
  24   using year = std::chrono::year;
  25
  26   // Validate valid value. The range [-32768, 32767] is guaranteed to be allowed.
  27   assert(testOrderValues<year>(-32768, -32768));
  28   assert(testOrderValues<year>(-32768, -32767));
  29   // Largest positive
  30   assert(testOrderValues<year>(32767, 32766));
  31   assert(testOrderValues<year>(32767, 32767));
  32
  33   // Validate some valid values.
  34   for (int i = 1; i < 10; ++i)
  35     for (int j = 1; j < 10; ++j)
  36       assert(testOrderValues<year>(i, j));
  37
  38   return true;
  39 }
  40
  41 int main(int, char**) {
  42   using year = std::chrono::year;
  43   AssertOrderAreNoexcept<year>();
  44   AssertOrderReturn<std::strong_ordering, year>();
  45
  46   test();
  47   static_assert(test());
  48
  49   return 0;
  50 }