libstdc++-v3/testsuite/21_strings/basic_string_view/operations/compare/char/13650.cc

   1 // { dg-options "-std=gnu++17" }
   2 // { dg-do run { target c++17 } }
   3
   4 // Copyright (C) 2013-2020 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 // basic_string_view::compare [lib.string_view::compare]
  22
  23 #include <string_view>
  24 #include <testsuite_hooks.h>
  25
  26 // libstdc++/13650
  27 void
  28 test01()
  29 {
  30   using std::string_view;
  31
  32   const char lit_01[]{ 'w', 'e', '\0', 'r', 'd' };
  33   const char lit_02[]{ 'w', 'e', 'i', '\0', 'd' };
  34
  35   const char lit_ref_a[]{ 'w', 'e', '\0', 'q', 'd' };
  36   const string_view str_a(lit_ref_a, 5);
  37   VERIFY( str_a.compare(0, 5, lit_01, 5) < 0 );
  38
  39   const char lit_ref_b[]{ 'w', 'e', 'i' };
  40   const string_view str_b(lit_ref_b, 3);
  41   VERIFY( str_b.compare(0, 3, lit_02, 5) < 0 );
  42 }
  43
  44 int
  45 main()
  46 {
  47   test01();
  48
  49   return 0;
  50 }