libstdc++-v3/testsuite/20_util/duration/requirements/typedefs_neg3.cc

   1 // { dg-do compile { target c++11 } }
   2 // 2008-07-31 Chris Fairles <chris.fairles@gmail.com>
   3
   4 // Copyright (C) 2008-2019 Free Software Foundation, Inc.
   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 3, 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 COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21
  22 #include <ratio>
  23 #include <chrono>
  24
  25 void test01()
  26 {
  27   // Check if period is positive
  28   typedef int rep_type;
  29   typedef std::ratio<-1> period_type;
  30   typedef std::chrono::duration<rep_type, period_type> test_type;
  31   test_type d;  // { dg-error "required from here" }
  32 }
  33
  34 // { dg-error "period must be positive" "" { target *-*-* } 319 }