libstdc++-v3/testsuite/ext/vstring/modifiers/assign/move_assign.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-string-conversions "" }
   3
   4 // Copyright (C) 2010-2021 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 // NOTE: This makes use of the fact that we know how moveable
  22 // is implemented on vstring (via swap). If the implementation changes
  23 // this test may begin to fail.
  24
  25 #include <ext/vstring.h>
  26 #include <utility>
  27 #include <testsuite_hooks.h>
  28
  29 void test01()
  30 {
  31   __gnu_cxx::__sso_string a, b;
  32   a.push_back('1');
  33   b.assign(std::move(a));
  34   VERIFY( b.size() == 1 && b[0] == '1' && a.size() == 0 );
  35 }
  36
  37 void test02()
  38 {
  39   __gnu_cxx::__rc_string a, b;
  40   a.push_back('1');
  41   b.assign(std::move(a));
  42   VERIFY( b.size() == 1 && b[0] == '1' && a.size() == 0 );
  43 }
  44
  45 int main()
  46 {
  47   test01();
  48   test02();
  49   return 0;
  50 }