libstdc++-v3/testsuite/20_util/duration/arithmetic/1.cc

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-require-cstdint "" }
   3
   4 // Copyright (C) 2008 Free Software Foundation
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 2, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING.  If not, write to the Free
  19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  20 // USA.
  21
  22 // 20.8.3 Class template duration [time.duration]
  23
  24 #include <chrono>
  25 #include <testsuite_hooks.h>
  26
  27 // 20.8.3.3 duration arithmetic [time.duration.arithmetic] (unary member ops)
  28 void
  29 test01()
  30 {
  31   bool test __attribute__((unused)) = true;
  32   using namespace std::chrono;
  33
  34   duration<int> d0(3);
  35   duration<int> d1 = -d0;
  36   VERIFY(d0.count() == 3);
  37   VERIFY(d1.count() == -3);
  38
  39   duration<int> d2 = (+d0);
  40   VERIFY(d2.count() == 3);
  41
  42   duration<int> d3(++d2);
  43   VERIFY(d2.count() == 4);
  44   VERIFY(d3.count() == 4);
  45
  46   duration<int> d4(d3++);
  47   VERIFY(d3.count() == 5);
  48   VERIFY(d4.count() == 4);
  49
  50   duration<int> d5(--d4);
  51   VERIFY(d4.count() == 3);
  52   VERIFY(d5.count() == 3);
  53
  54   duration<int> d6(d5--);
  55   VERIFY(d5.count() == 2);
  56   VERIFY(d6.count() == 3);
  57 }
  58
  59 // 20.8.3.3 duration arithmetic [time.duration.arithmetic] (binary member ops)
  60 void
  61 test02()
  62 {
  63   bool test __attribute__((unused)) = true;
  64   using namespace std::chrono;
  65
  66   duration<int> d7(3);
  67   duration<int> d8(9);
  68   d7 += d8;
  69   VERIFY(d7.count() == 12);
  70   VERIFY(d8.count() == 9);
  71
  72   duration<int> d9(3);
  73   duration<int> d10(9);
  74   d9 -= d10;
  75   VERIFY(d9.count() == -6);
  76   VERIFY(d10.count() == 9);
  77
  78   duration<int> d11(9);
  79   int i = 3;
  80   d11 *= i;
  81   VERIFY(d11.count() == 27);
  82
  83   duration<int> d12(12);
  84   d12 /= i;
  85   VERIFY(d12.count() == 4);
  86 }
  87
  88 int
  89 main()
  90 {
  91   test01();
  92   test02();
  93   return 0;
  94 }