gdb/unittests/basic_string_view/modifiers/remove_suffix/char/1.cc

   1 // { dg-options "-std=gnu++17" }
   2
   3 // Copyright (C) 2013-2023 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 namespace modifiers_remove_suffix {
  21
  22 static void
  23 test01 ()
  24 {
  25   using gdb::string_view;
  26
  27   string_view str0{"olympus mons"};
  28   string_view::pointer p = str0.data();
  29   str0.remove_suffix(2);
  30   VERIFY( str0.data() == p);
  31   VERIFY( str0.length() == 10 );
  32   VERIFY( str0 == string_view{"olympus mo"} );
  33 }
  34
  35 #ifndef GDB_STRING_VIEW
  36 constexpr bool
  37 test02()
  38 {
  39   using std::string_view;
  40
  41   string_view str0{"olympus mons"};
  42   string_view::pointer p = str0.data();
  43   str0.remove_suffix(2);
  44   if ( str0.data() != p)
  45     return false;
  46   if ( str0.length() != 10 )
  47     return false;
  48   if ( str0 != string_view{"olympus mo"} )
  49     return false;
  50
  51   return true;
  52 }
  53 #endif
  54
  55 static int
  56 main ()
  57 {
  58   test01();
  59 #ifndef GDB_STRING_VIEW
  60   static_assert( test02() );
  61 #endif
  62
  63   return 0;
  64 }
  65
  66 } // namespace modifiers_remove_suffix