libstdc++-v3/testsuite/22_locale/ctype/is/char/9858.cc

   1 // Copyright (C) 2003-2020 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
  19 // 22.2.1.3 - ctype specializations [lib.facet.ctype.special]
  20
  21 #include <locale>
  22 #include <testsuite_hooks.h>
  23
  24 int called;
  25
  26 class Derived : public std::ctype<char>
  27 {
  28 public:
  29   bool
  30   do_is(mask, char_type) const { return true; }
  31
  32   const char_type*
  33   do_is(const char_type*, const char_type* hi, mask*) const
  34   { return hi; }
  35
  36   const char_type*
  37   do_scan_is(mask, const char_type*, const char_type* hi) const
  38   { return hi; }
  39
  40   const char_type*
  41   do_scan_not(mask, const char_type*, const char_type* hi) const
  42   { return hi; }
  43 };
  44
  45 class Derived2 : public Derived
  46 {
  47 public:
  48   bool
  49   do_is(mask, char_type) const { called = 1; return true; }
  50
  51   const char_type*
  52   do_is(const char_type*, const char_type* hi, mask*) const
  53   { called = 5; return hi; }
  54
  55   const char_type*
  56   do_scan_is(mask, const char_type*, const char_type* hi) const
  57   { called = 10; return hi; }
  58
  59   const char_type*
  60   do_scan_not(mask, const char_type*, const char_type* hi) const
  61   { called = 15; return hi; }
  62 };
  63
  64 int main()
  65 {
  66   using namespace std;
  67   Derived2 d2;
  68   const Derived& dr = d2;
  69
  70   const char* lit = "jaylib champion sound";
  71   ctype_base::mask m00 = static_cast<std::ctype_base::mask>(0);
  72   ctype_base::mask vec[5];
  73   for (std::size_t i = 0; i < 5; ++i)
  74     vec[i] = m00;
  75
  76   called = 0;
  77   dr.do_is(ctype_base::space, 'a');
  78   VERIFY( called !=  1);
  79
  80   called = 0;
  81   dr.do_is(lit, lit + 5, vec);
  82   VERIFY( called !=  5);
  83
  84   called = 0;
  85   dr.do_scan_is(ctype_base::space, lit, lit + 5);
  86   VERIFY( called !=  10);
  87
  88   called = 0;
  89   dr.do_scan_not(ctype_base::space, lit, lit + 5);
  90   VERIFY( called !=  15);
  91
  92   return 0;
  93 }