libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs_neg.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 // 2007-05-03  Benjamin Kosnik  <bkoz@redhat.com>
   4 //
   5 // Copyright (C) 2007-2020 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 along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <type_traits>
  23 #include <testsuite_character.h>
  24
  25 enum test_enum { first_selection };
  26
  27 void test01()
  28 {
  29   using std::make_signed;
  30
  31   // Negative tests.
  32   typedef make_signed<bool>::type       test1_type;
  33
  34   typedef make_signed<__gnu_test::pod_uint>::type       test2_type;
  35
  36   typedef make_signed<int[4]>::type     test3_type;
  37
  38   typedef void (fn_type) ();
  39   typedef make_signed<fn_type>::type    test4_type;
  40
  41   typedef make_signed<float>::type      test5_type;
  42 }
  43
  44 // { dg-error "invalid use of incomplete type" "" { target *-*-* } 32 }
  45 // { dg-error "required from here" "" { target *-*-* } 34 }
  46 // { dg-error "required from here" "" { target *-*-* } 36 }
  47 // { dg-error "required from here" "" { target *-*-* } 39 }
  48 // { dg-error "required from here" "" { target *-*-* } 41 }
  49
  50 // { dg-error "invalid use of incomplete type" "" { target *-*-* } 0 }