test/std/utilities/time/time.point/time.point.comparisons/op_equal.pass.cpp

   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 // time_point
  13
  14 // template <class Clock, class Duration1, class Duration2>
  15 //   bool
  16 //   operator==(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
  17
  18 // template <class Clock, class Duration1, class Duration2>
  19 //   bool
  20 //   operator!=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
  21
  22 #include <chrono>
  23 #include <cassert>
  24
  25 #include "test_macros.h"
  26
  27 int main()
  28 {
  29     typedef std::chrono::system_clock Clock;
  30     typedef std::chrono::milliseconds Duration1;
  31     typedef std::chrono::microseconds Duration2;
  32     typedef std::chrono::time_point<Clock, Duration1> T1;
  33     typedef std::chrono::time_point<Clock, Duration2> T2;
  34
  35     {
  36     T1 t1(Duration1(3));
  37     T1 t2(Duration1(3));
  38     assert( (t1 == t2));
  39     assert(!(t1 != t2));
  40     }
  41     {
  42     T1 t1(Duration1(3));
  43     T1 t2(Duration1(4));
  44     assert(!(t1 == t2));
  45     assert( (t1 != t2));
  46     }
  47     {
  48     T1 t1(Duration1(3));
  49     T2 t2(Duration2(3000));
  50     assert( (t1 == t2));
  51     assert(!(t1 != t2));
  52     }
  53     {
  54     T1 t1(Duration1(3));
  55     T2 t2(Duration2(3001));
  56     assert(!(t1 == t2));
  57     assert( (t1 != t2));
  58     }
  59
  60 #if TEST_STD_VER > 11
  61     {
  62     constexpr T1 t1(Duration1(3));
  63     constexpr T1 t2(Duration1(3));
  64     static_assert( (t1 == t2), "");
  65     static_assert(!(t1 != t2), "");
  66     }
  67     {
  68     constexpr T1 t1(Duration1(3));
  69     constexpr T1 t2(Duration1(4));
  70     static_assert(!(t1 == t2), "");
  71     static_assert( (t1 != t2), "");
  72     }
  73     {
  74     constexpr T1 t1(Duration1(3));
  75     constexpr T2 t2(Duration2(3000));
  76     static_assert( (t1 == t2), "");
  77     static_assert(!(t1 != t2), "");
  78     }
  79     {
  80     constexpr T1 t1(Duration1(3));
  81     constexpr T2 t2(Duration2(3001));
  82     static_assert(!(t1 == t2), "");
  83     static_assert( (t1 != t2), "");
  84     }
  85 #endif
  86 }