gdb/unittests/basic_string_view/operations/compare/wchar_t/13650.cc

   1 // { dg-options "-std=gnu++17" }
   2
   3 // Copyright (C) 2013-2021 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 // basic_string_view::compare [lib.string_view::compare]
  21
  22 #include <string_view>
  23 #include <testsuite_hooks.h>
  24
  25 // libstdc++/13650
  26 void
  27 test01()
  28 {
  29   using std::wstring_view;
  30
  31   const wchar_t lit_01[] = { L'w', L'e', L'\0', L'r', L'd' };
  32   const wchar_t lit_02[] = { L'w', L'e', L'i', L'\0', L'd' };
  33
  34   const wchar_t lit_ref_a[] = { L'w', L'e', L'\0', L'q', L'd' };
  35   const wstring_view str_a(lit_ref_a, 5);
  36   VERIFY( str_a.compare(0, 5, lit_01, 5) < 0 );
  37
  38   const wchar_t lit_ref_b[] = { L'w', L'e', L'i' };
  39   const wstring_view str_b(lit_ref_b, 3);
  40   VERIFY( str_b.compare(0, 3, lit_02, 5) < 0 );
  41 }
  42
  43 int
  44 main()
  45 {
  46   test01();
  47
  48   return 0;
  49 }