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

   1 // { dg-do compile }
   2 // { dg-options "-std=gnu++11" }
   3 // { dg-require-cstdint "" }
   4
   5 // Copyright (C) 2008-2016 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License
  19 // along with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <ratio>
  23
  24 void
  25 test01()
  26 {
  27   std::ratio<INTMAX_MAX, INTMAX_MAX> r1 __attribute__((unused));
  28   std::ratio<-INTMAX_MAX, INTMAX_MAX> r2 __attribute__((unused));
  29 }
  30
  31 void
  32 test02()
  33 {
  34   std::ratio<INTMAX_MIN, 1> r1 __attribute__((unused)); // { dg-error "required from here" }
  35 }
  36
  37 void
  38 test03()
  39 {
  40   std::ratio<1, INTMAX_MIN> r1 __attribute__((unused)); // { dg-error "required from here" }
  41 }
  42
  43 void
  44 test04()
  45 {
  46   std::ratio<1,0> r1 __attribute__((unused)); // { dg-error "required from here" }
  47 }
  48
  49 // { dg-error "denominator cannot be zero" "" { target *-*-* } 265 }
  50 // { dg-error "out of range" "" { target *-*-* } 266 }
  51 // { dg-error "overflow in constant expression" "" { target *-*-* } 61 }
  52 // { dg-prune-output "not a member" }