libstdc++-v3/testsuite/ext/stdio_sync_filebuf_wchar_t.cc

   1 // 2003-05-01 Petur Runolfsson <peturr02@ru.is>
   2
   3 // Copyright (C) 2003 Free Software Foundation
   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 2, 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 COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 #include <ext/stdio_sync_filebuf.h>
  22 #include <testsuite_hooks.h>
  23
  24 void test01()
  25 {
  26   using namespace std;
  27   typedef char_traits<wchar_t> traits_type;
  28
  29   bool test __attribute__((unused)) = true;
  30   const char* c_lit = "black pearl jasmine tea";
  31   const wchar_t* w_lit = L"black pearl jasmine tea";
  32   int size = strlen(c_lit);
  33   const char* name = "stdiobuf-1.txt";
  34
  35   FILE* fout = fopen(name, "w");
  36   fwrite(c_lit, 1, size, fout);
  37   fclose(fout);
  38
  39   FILE* fin = fopen(name, "r");
  40   __gnu_cxx::stdio_sync_filebuf<wchar_t> wsbuf(fin);
  41
  42   VERIFY( traits_type::to_char_type(wsbuf.sgetc()) == w_lit[0] );
  43   VERIFY( traits_type::to_char_type(getwc(fin)) == w_lit[0] );
  44   VERIFY( traits_type::to_char_type(wsbuf.sgetc()) == w_lit[1] );
  45   VERIFY( traits_type::to_char_type(wsbuf.sbumpc()) == w_lit[1] );
  46   VERIFY( ungetwc(L'Z', fin) == L'Z' );
  47   VERIFY( wsbuf.sbumpc() == L'Z' );
  48   VERIFY( traits_type::to_char_type(getwc(fin)) == w_lit[2] );
  49   VERIFY( wsbuf.sputbackc(L'X') == L'X' );
  50   VERIFY( getwc(fin) == L'X' );
  51
  52   wchar_t buf[5];
  53   wmemset(buf, 0xdeadbeef, 5);
  54   VERIFY( wsbuf.sgetn(buf, 5) == 5 );
  55   VERIFY( !wmemcmp(buf, w_lit + 3, 5) );
  56   VERIFY( traits_type::to_char_type(getwc(fin)) == w_lit[8] );
  57
  58   fclose(fin);
  59 }
  60
  61 // libstdc++/12048
  62 void test02()
  63 {
  64   bool test __attribute__((unused)) = true;
  65   const char* name = "cin_unget-1.txt";
  66
  67   std::FILE* file = std::fopen(name, "r");
  68   __gnu_cxx::stdio_sync_filebuf<wchar_t> sbuf(file);
  69   std::wint_t c1 = sbuf.sbumpc();
  70   VERIFY( c1 != WEOF );
  71   std::wint_t c2 = sbuf.sungetc();
  72   VERIFY( c2 != WEOF );
  73   std::wint_t c3 = sbuf.sbumpc();
  74   VERIFY( c3 == c1 );
  75
  76   std::fclose(file);
  77 }
  78
  79 // libstdc++/12048
  80 void test03()
  81 {
  82   bool test __attribute__((unused)) = true;
  83   const char* name = "cin_unget-1.txt";
  84
  85   std::FILE* file = std::fopen(name, "r");
  86   __gnu_cxx::stdio_sync_filebuf<wchar_t> sbuf(file);
  87   std::wint_t c1 = sbuf.sbumpc();
  88   VERIFY( c1 != WEOF );
  89   std::wint_t c2 = sbuf.sungetc();
  90   VERIFY( c2 != WEOF );
  91   std::wint_t c3 = std::fgetwc(file);
  92   VERIFY( c3 == c1 );
  93
  94   std::fclose(file);
  95 }
  96
  97 // libstdc++/12048
  98 void test04()
  99 {
 100   bool test __attribute__((unused)) = true;
 101   const char* name = "cin_unget-1.txt";
 102
 103   std::FILE* file = std::fopen(name, "r");
 104   __gnu_cxx::stdio_sync_filebuf<wchar_t> sbuf(file);
 105   wchar_t buf[2];
 106   VERIFY( sbuf.sgetn(buf, 2) == 2 );
 107   std::wint_t c2 = sbuf.sungetc();
 108   VERIFY( c2 != WEOF );
 109   std::wint_t c3 = sbuf.sbumpc();
 110   VERIFY( c3 == std::char_traits<wchar_t>::to_int_type(buf[1]) );
 111
 112   std::fclose(file);
 113 }
 114
 115 // libstdc++/12048
 116 void test05()
 117 {
 118   bool test __attribute__((unused)) = true;
 119   const char* name = "cin_unget-1.txt";
 120
 121   std::FILE* file = std::fopen(name, "r");
 122   __gnu_cxx::stdio_sync_filebuf<wchar_t> sbuf(file);
 123   wchar_t buf[2];
 124   VERIFY( sbuf.sgetn(buf, 2) == 2 );
 125   std::wint_t c2 = sbuf.sungetc();
 126   VERIFY( c2 != WEOF );
 127   std::wint_t c3 = std::fgetwc(file);
 128   VERIFY( c3 == std::char_traits<wchar_t>::to_int_type(buf[1]) );
 129
 130   std::fclose(file);
 131 }
 132
 133 int main ()
 134 {
 135   test01();
 136   test02();
 137   test03();
 138   test04();
 139   test05();
 140
 141   return 0;
 142 }