libstdc++-v3/testsuite/21_strings/basic_string/operators/char/4.cc

   1 // 2010-12-19  Paolo Carlini  <paolo.carlini@oracle.com>
   2 //
   3 // Copyright (C) 2010-2019 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19 //
  20 // { dg-do run { target c++11 } }
  21 // { dg-require-string-conversions "" }
  22
  23 #include <string>
  24 #include <testsuite_hooks.h>
  25
  26 void test01()
  27 {
  28   using std::string;
  29   using std::move;
  30
  31   string s01("abc");
  32   s01.reserve(30);
  33   string s02("def");
  34   s02.reserve(30);
  35   VERIFY( move(s01) + move(s02) == string("abcdef") );
  36
  37   string s03("abcdefghijklmnopqrstuvw");
  38   string s04("xyz");
  39   s04.reserve(30);
  40   VERIFY( move(s03) + move(s04) == string("abcdefghijklmnopqrstuvwxyz") );
  41
  42   string s05("abc");
  43   s05.reserve(30);
  44   string s06("defghijklmnopqrstuvwxyz");
  45   VERIFY( move(s05) + move(s06) == string("abcdefghijklmnopqrstuvwxyz") );
  46
  47   const string sc1("abc");
  48   string s07("def");
  49   s07.reserve(30);
  50   VERIFY( sc1 + move(s07) == string("abcdef") );
  51
  52   const string sc2("def");
  53   string s08("abc");
  54   s08.reserve(30);
  55   VERIFY( move(s08) + sc2 == string("abcdef") );
  56
  57   string s09("abc");
  58   s09.reserve(30);
  59   VERIFY( move(s09) + 'd' == string("abcd") );
  60
  61   string s10("abc");
  62   s10.reserve(30);
  63   VERIFY( move(s10) + "def" == string("abcdef") );
  64
  65   string s11("bcd");
  66   s11.reserve(30);
  67   VERIFY( 'a' + move(s11) == string("abcd") );
  68
  69   string s12("def");
  70   s12.reserve(30);
  71   VERIFY( "abc" + move(s12) == string("abcdef") );
  72 }
  73
  74 int main()
  75 {
  76   test01();
  77   return 0;
  78 }