gdb/testsuite/gdb.python/py-rvalue-ref-value-cc.cc

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2012-2021 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 /* Test rvalue references in python.  Based on py-value-cc.cc.  */
  19
  20 #include <utility>
  21
  22 class A
  23 {
  24 public:
  25   int operator+ (const int a1);
  26
  27  public:
  28   int a;
  29 };
  30
  31 int
  32 A::operator+ (const int a1)
  33 {
  34   return a + a1;
  35 }
  36
  37 class B : public A
  38 {
  39  public:
  40   char a;
  41 };
  42
  43 typedef int *int_ptr;
  44
  45 int
  46 main ()
  47 {
  48   int val = 10;
  49   int &&int_rref = std::move (val);
  50   int_ptr ptr = &val;
  51   int_ptr &&int_ptr_rref = std::move (ptr);
  52
  53   B b;
  54   b.a = 'b';
  55   (&b)->A::a = 100;
  56   B &&b_rref = std::move (b);
  57
  58   return 0; /* Break here.  */
  59 }