libstdc++-v3/testsuite/25_algorithms/fill/94013.cc

   1 // Copyright (C) 2020-2023 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do run }
  19
  20 #include <algorithm>
  21 #include <testsuite_hooks.h>
  22
  23 void
  24 test01()
  25 {
  26   volatile unsigned char a[2] = { 1, 2 };
  27   volatile unsigned char c = 3;
  28
  29   std::fill(a, a+2, c);
  30   VERIFY( a[0] == 3 && a[1] == 3 );
  31
  32 #if __cplusplus > 201703L
  33   c = 4;
  34   std::ranges::fill(a, c);
  35   VERIFY( a[0] == 4 && a[1] == 4 );
  36   unsigned char c2 = 5;
  37   std::ranges::fill(a, c2);
  38 #endif
  39 }
  40
  41 int
  42 main()
  43 {
  44   test01();
  45 }