libstdc++-v3/testsuite/21_strings/basic_string_view/operations/ends_with/char/1.cc

   1 // { dg-options "-std=gnu++2a" }
   2 // { dg-do compile { target c++2a } }
   3
   4 // Copyright (C) 2018-2021 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 ends_with
  22
  23 #include <string_view>
  24
  25 void
  26 test01()
  27 {
  28   constexpr char cstr_suf[] = ".jpg";
  29   constexpr std::string_view sv_suf(".jpg");
  30   constexpr char cstr_suf2[] = ".rgb";
  31   constexpr std::string_view sv_suf2(".rgb");
  32
  33   constexpr std::string_view sv_test("slugs/slimy.jpg");
  34
  35   constexpr auto cstr_in_slugs = sv_test.ends_with(cstr_suf);
  36   static_assert(cstr_in_slugs);
  37   constexpr auto sv_in_slugs = sv_test.ends_with(sv_suf);
  38   static_assert(sv_in_slugs);
  39   constexpr auto char_g = sv_test.ends_with('g');
  40   static_assert(char_g);
  41
  42   constexpr auto cstr_in_worms = sv_test.ends_with(cstr_suf2);
  43   static_assert(!cstr_in_worms);
  44   constexpr auto sv_in_worms = sv_test.ends_with(sv_suf2);
  45   static_assert(!sv_in_worms);
  46   constexpr auto char_b = sv_test.ends_with('b');
  47   static_assert(!char_b);
  48 }