libstdc++-v3/testsuite/21_strings/basic_string/operators/char/3.cc

   1 // 2010-12-17  Paolo Carlini  <paolo.carlini@oracle.com>
   2 //
   3 // Copyright (C) 2010-2020 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
  30   VERIFY( (string("abc") + string("def")
  31            == string("abcdef")) );
  32   string s1("abc");
  33   VERIFY( s1 + string("def") == string("abcdef") );
  34   string s2("def");
  35   VERIFY( string("abc") + s2 == string("abcdef") );
  36   VERIFY( string("abc") + 'd' == string("abcd") );
  37   VERIFY( string("abc") + "def" == string("abcdef") );
  38   VERIFY( 'a' + string("bcd") == string("abcd") );
  39   VERIFY( "abc" + string("def") == string("abcdef") );
  40
  41   VERIFY( (string("abcdefghij") + string("klmnopqrst")
  42            == string("abcdefghijklmnopqrst")) );
  43   string s1l("abcdefghij");
  44   VERIFY( (s1l + string("klmnopqrst")
  45            == string("abcdefghijklmnopqrst")) );
  46   string s2l("klmnopqrst");
  47   VERIFY( (string("abcdefghij") + s2l
  48            == string("abcdefghijklmnopqrst")) );
  49   VERIFY( (string("abcdefghijklmno") + 'p'
  50            == string("abcdefghijklmnop")) );
  51   VERIFY( (string("abcdefghijklmno") + "pqrst"
  52            == string("abcdefghijklmnopqrst")) );
  53   VERIFY( ('a' + string("bcdefghijklmnop")
  54            == string("abcdefghijklmnop")) );
  55   VERIFY( ("abcde" + string("fghijklmnopqrst")
  56            == string("abcdefghijklmnopqrst")) );
  57
  58   VERIFY( (string("abcdefghijklmnopqrst") + string("uvwxy")
  59            == string("abcdefghijklmnopqrstuvwxy")) );
  60   VERIFY( (string("abcde") + string("fghijklmnopqrstuvwxy")
  61            == string("abcdefghijklmnopqrstuvwxy")) );
  62   string s1ll1("abcdefghijklmnopqrst");
  63   VERIFY( (s1ll1 + string("uvwxy")
  64            == string("abcdefghijklmnopqrstuvwxy")) );
  65   string s1ll2("abcde");
  66   VERIFY( (s1ll2 + string("fghijklmnopqrstuvwxy")
  67            == string("abcdefghijklmnopqrstuvwxy")) );
  68   string s2ll1("fghijklmnopqrstuvwxy");
  69   VERIFY( (string("abcde") + s2ll1
  70            == string("abcdefghijklmnopqrstuvwxy")) );
  71   string s2ll2("uvwxy");
  72   VERIFY( (string("abcdefghijklmnopqrst") + s2ll2
  73            == string("abcdefghijklmnopqrstuvwxy")) );
  74   VERIFY( (string("abcdefghijklmnopqrst") + 'u'
  75            == string("abcdefghijklmnopqrstu")) );
  76   VERIFY( (string("abcdefghijklmnopqrst") + "uvwxy"
  77            == string("abcdefghijklmnopqrstuvwxy")) );
  78   VERIFY( (string("abcde") + "fghijklmnopqrstuvwxy"
  79            == string("abcdefghijklmnopqrstuvwxy")) );
  80   VERIFY( ('a' + string("bcdefghijklmnopqrstuvwxy")
  81            == string("abcdefghijklmnopqrstuvwxy")) );
  82   VERIFY( ("abcde" + string("fghijklmnopqrstuvwxy")
  83            == string("abcdefghijklmnopqrstuvwxy")) );
  84   VERIFY( ("abcdefghijklmnopqrst" + string("uvwxy")
  85            == string("abcdefghijklmnopqrstuvwxy")) );
  86 }
  87
  88 int main()
  89 {
  90   test01();
  91   return 0;
  92 }