libstdc++-v3/testsuite/20_util/ratio/cons/cons_overflow_neg.cc

   1 // { dg-do compile { target c++11 } }
   2 // { dg-require-cstdint "" }
   3
   4 // Copyright (C) 2008-2020 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
  18 // along with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <ratio>
  22
  23 void
  24 test01()
  25 {
  26   std::ratio<INTMAX_MAX, INTMAX_MAX> r1 __attribute__((unused));
  27   std::ratio<-INTMAX_MAX, INTMAX_MAX> r2 __attribute__((unused));
  28 }
  29
  30 void
  31 test02()
  32 {
  33   std::ratio<INTMAX_MIN, 1> r1 __attribute__((unused)); // { dg-error "required from here" }
  34 }
  35
  36 void
  37 test03()
  38 {
  39   std::ratio<1, INTMAX_MIN> r1 __attribute__((unused)); // { dg-error "required from here" }
  40 }
  41
  42 void
  43 test04()
  44 {
  45   std::ratio<1,0> r1 __attribute__((unused)); // { dg-error "required from here" }
  46 }
  47
  48 // { dg-error "denominator cannot be zero" "" { target *-*-* } 0 }
  49 // { dg-error "out of range" "" { target *-*-* } 0 }
  50 // { dg-error "overflow in constant expression" "" { target *-*-* } 0 }
  51 // { dg-prune-output "not a member" }