libcxx/test/std/input.output/iostream.forward/iosfwd.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <iosfwd>
  10
  11 #include <iosfwd>
  12
  13 #include "test_macros.h"
  14
  15 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  16 #   include <cwchar>
  17 #endif
  18
  19 template <class Ptr> void test()
  20 {
  21     Ptr p = 0;
  22     ((void)p); // Prevent unused warning
  23 }
  24
  25 int main(int, char**)
  26 {
  27     test<std::char_traits<char>*          >();
  28 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  29     test<std::char_traits<wchar_t>*       >();
  30 #endif
  31
  32     test<std::basic_ios<char>*          >();
  33 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  34     test<std::basic_ios<wchar_t>*       >();
  35 #endif
  36     test<std::basic_ios<unsigned short>*>();
  37
  38     test<std::basic_streambuf<char>*          >();
  39 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  40     test<std::basic_streambuf<wchar_t>*       >();
  41 #endif
  42     test<std::basic_streambuf<unsigned short>*>();
  43
  44     test<std::basic_istream<char>*          >();
  45 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  46     test<std::basic_istream<wchar_t>*       >();
  47 #endif
  48     test<std::basic_istream<unsigned short>*>();
  49
  50     test<std::basic_ostream<char>*          >();
  51 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  52     test<std::basic_ostream<wchar_t>*       >();
  53 #endif
  54     test<std::basic_ostream<unsigned short>*>();
  55
  56     test<std::basic_iostream<char>*          >();
  57 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  58     test<std::basic_iostream<wchar_t>*       >();
  59 #endif
  60     test<std::basic_iostream<unsigned short>*>();
  61
  62     test<std::basic_stringbuf<char>*          >();
  63 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  64     test<std::basic_stringbuf<wchar_t>*       >();
  65 #endif
  66     test<std::basic_stringbuf<unsigned short>*>();
  67
  68     test<std::basic_istringstream<char>*          >();
  69 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  70     test<std::basic_istringstream<wchar_t>*       >();
  71 #endif
  72     test<std::basic_istringstream<unsigned short>*>();
  73
  74     test<std::basic_ostringstream<char>*          >();
  75 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  76     test<std::basic_ostringstream<wchar_t>*       >();
  77 #endif
  78     test<std::basic_ostringstream<unsigned short>*>();
  79
  80     test<std::basic_stringstream<char>*          >();
  81 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  82     test<std::basic_stringstream<wchar_t>*       >();
  83 #endif
  84     test<std::basic_stringstream<unsigned short>*>();
  85
  86     test<std::basic_filebuf<char>*          >();
  87 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  88     test<std::basic_filebuf<wchar_t>*       >();
  89 #endif
  90     test<std::basic_filebuf<unsigned short>*>();
  91
  92     test<std::basic_ifstream<char>*          >();
  93 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  94     test<std::basic_ifstream<wchar_t>*       >();
  95 #endif
  96     test<std::basic_ifstream<unsigned short>*>();
  97
  98     test<std::basic_ofstream<char>*          >();
  99 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
 100     test<std::basic_ofstream<wchar_t>*       >();
 101 #endif
 102     test<std::basic_ofstream<unsigned short>*>();
 103
 104     test<std::basic_fstream<char>*          >();
 105 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
 106     test<std::basic_fstream<wchar_t>*       >();
 107 #endif
 108     test<std::basic_fstream<unsigned short>*>();
 109
 110     test<std::istreambuf_iterator<char>*          >();
 111 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
 112     test<std::istreambuf_iterator<wchar_t>*       >();
 113 #endif
 114     test<std::istreambuf_iterator<unsigned short>*>();
 115
 116     test<std::ostreambuf_iterator<char>*          >();
 117 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
 118     test<std::ostreambuf_iterator<wchar_t>*       >();
 119 #endif
 120     test<std::ostreambuf_iterator<unsigned short>*>();
 121
 122     test<std::ios* >();
 123 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
 124     test<std::wios*>();
 125 #endif
 126
 127     test<std::streambuf*>();
 128     test<std::istream*  >();
 129     test<std::ostream*  >();
 130     test<std::iostream* >();
 131
 132     test<std::stringbuf*    >();
 133     test<std::istringstream*>();
 134     test<std::ostringstream*>();
 135     test<std::stringstream* >();
 136
 137     test<std::filebuf* >();
 138     test<std::ifstream*>();
 139     test<std::ofstream*>();
 140     test<std::fstream* >();
 141
 142 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
 143     test<std::wstreambuf*>();
 144     test<std::wistream*  >();
 145     test<std::wostream*  >();
 146     test<std::wiostream* >();
 147
 148     test<std::wstringbuf*    >();
 149     test<std::wistringstream*>();
 150     test<std::wostringstream*>();
 151     test<std::wstringstream* >();
 152
 153     test<std::wfilebuf* >();
 154     test<std::wifstream*>();
 155     test<std::wofstream*>();
 156     test<std::wfstream* >();
 157 #endif
 158
 159     test<std::fpos<std::mbstate_t>*>();
 160     test<std::streampos*           >();
 161 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
 162     test<std::wstreampos*          >();
 163 #endif
 164
 165   return 0;
 166 }