libstdc++-v3/testsuite/experimental/any/misc/any_cast_no_rtti.cc

   1 // { dg-options "-std=gnu++14 -fno-rtti" }
   2 // { dg-do run }
   3
   4 // Copyright (C) 2014 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 #include <experimental/any>
  22 #include <string>
  23 #include <cstring>
  24 #include <testsuite_hooks.h>
  25
  26 using std::experimental::any;
  27 using std::experimental::any_cast;
  28
  29 void test01()
  30 {
  31   using std::experimental::bad_any_cast;
  32   any x(1);
  33   auto p = any_cast<double>(&x);
  34   VERIFY(p == nullptr);
  35
  36   x = 1.0;
  37   p = any_cast<double>(&x);
  38   VERIFY(p != nullptr);
  39
  40   x = any();
  41   p = any_cast<double>(&x);
  42   VERIFY(p == nullptr);
  43
  44   try {
  45     any_cast<double>(x);
  46     VERIFY(false);
  47   } catch (const bad_any_cast&) {
  48   }
  49 }
  50
  51 int main()
  52 {
  53   test01();
  54 }