libstdc++-v3/testsuite/ext/vstring/cons/moveable.cc

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-require-string-conversions "" }
   3
   4 // Copyright (C) 2007, 2008, 2009, 2010 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
  22 // NOTE: This makes use of the fact that we know how moveable
  23 // is implemented on vstring (via swap). If the implementation changes
  24 // this test may begin to fail.
  25
  26 #include <ext/vstring.h>
  27 #include <utility>
  28 #include <testsuite_hooks.h>
  29
  30 void test01()
  31 {
  32   bool test __attribute__((unused)) = true;
  33
  34   __gnu_cxx::__sso_string a,b;
  35   a.push_back('1');
  36   b = std::move(a);
  37   VERIFY( b.size() == 1 && b[0] == '1' && a.size() == 0 );
  38
  39   __gnu_cxx::__sso_string c(std::move(b));
  40   VERIFY( c.size() == 1 && c[0] == '1' );
  41   VERIFY( b.size() == 0 );
  42 }
  43
  44 void test02()
  45 {
  46   bool test __attribute__((unused)) = true;
  47
  48   __gnu_cxx::__rc_string a,b;
  49   a.push_back('1');
  50   b = std::move(a);
  51   VERIFY( b.size() == 1 && b[0] == '1' && a.size() == 0 );
  52
  53   __gnu_cxx::__rc_string c(std::move(b));
  54   VERIFY( c.size() == 1 && c[0] == '1' );
  55   VERIFY( b.size() == 0 );
  56 }
  57
  58 int main()
  59 {
  60   test01();
  61   test02();
  62   return 0;
  63 }