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 #include <cwchar>  // for mbstate_t
  13
  14 #include "test_macros.h"
  15
  16 template <class Ptr> void test()
  17 {
  18     Ptr p = 0;
  19     ((void)p); // Prevent unused warning
  20 }
  21
  22 int main(int, char**)
  23 {
  24     test<std::char_traits<char>*          >();
  25     test<std::char_traits<wchar_t>*       >();
  26     test<std::char_traits<unsigned short>*>();
  27
  28     test<std::basic_ios<char>*          >();
  29     test<std::basic_ios<wchar_t>*       >();
  30     test<std::basic_ios<unsigned short>*>();
  31
  32     test<std::basic_streambuf<char>*          >();
  33     test<std::basic_streambuf<wchar_t>*       >();
  34     test<std::basic_streambuf<unsigned short>*>();
  35
  36     test<std::basic_istream<char>*          >();
  37     test<std::basic_istream<wchar_t>*       >();
  38     test<std::basic_istream<unsigned short>*>();
  39
  40     test<std::basic_ostream<char>*          >();
  41     test<std::basic_ostream<wchar_t>*       >();
  42     test<std::basic_ostream<unsigned short>*>();
  43
  44     test<std::basic_iostream<char>*          >();
  45     test<std::basic_iostream<wchar_t>*       >();
  46     test<std::basic_iostream<unsigned short>*>();
  47
  48     test<std::basic_stringbuf<char>*          >();
  49     test<std::basic_stringbuf<wchar_t>*       >();
  50     test<std::basic_stringbuf<unsigned short>*>();
  51
  52     test<std::basic_istringstream<char>*          >();
  53     test<std::basic_istringstream<wchar_t>*       >();
  54     test<std::basic_istringstream<unsigned short>*>();
  55
  56     test<std::basic_ostringstream<char>*          >();
  57     test<std::basic_ostringstream<wchar_t>*       >();
  58     test<std::basic_ostringstream<unsigned short>*>();
  59
  60     test<std::basic_stringstream<char>*          >();
  61     test<std::basic_stringstream<wchar_t>*       >();
  62     test<std::basic_stringstream<unsigned short>*>();
  63
  64     test<std::basic_filebuf<char>*          >();
  65     test<std::basic_filebuf<wchar_t>*       >();
  66     test<std::basic_filebuf<unsigned short>*>();
  67
  68     test<std::basic_ifstream<char>*          >();
  69     test<std::basic_ifstream<wchar_t>*       >();
  70     test<std::basic_ifstream<unsigned short>*>();
  71
  72     test<std::basic_ofstream<char>*          >();
  73     test<std::basic_ofstream<wchar_t>*       >();
  74     test<std::basic_ofstream<unsigned short>*>();
  75
  76     test<std::basic_fstream<char>*          >();
  77     test<std::basic_fstream<wchar_t>*       >();
  78     test<std::basic_fstream<unsigned short>*>();
  79
  80     test<std::istreambuf_iterator<char>*          >();
  81     test<std::istreambuf_iterator<wchar_t>*       >();
  82     test<std::istreambuf_iterator<unsigned short>*>();
  83
  84     test<std::ostreambuf_iterator<char>*          >();
  85     test<std::ostreambuf_iterator<wchar_t>*       >();
  86     test<std::ostreambuf_iterator<unsigned short>*>();
  87
  88     test<std::ios* >();
  89     test<std::wios*>();
  90
  91     test<std::streambuf*>();
  92     test<std::istream*  >();
  93     test<std::ostream*  >();
  94     test<std::iostream* >();
  95
  96     test<std::stringbuf*    >();
  97     test<std::istringstream*>();
  98     test<std::ostringstream*>();
  99     test<std::stringstream* >();
 100
 101     test<std::filebuf* >();
 102     test<std::ifstream*>();
 103     test<std::ofstream*>();
 104     test<std::fstream* >();
 105
 106     test<std::wstreambuf*>();
 107     test<std::wistream*  >();
 108     test<std::wostream*  >();
 109     test<std::wiostream* >();
 110
 111     test<std::wstringbuf*    >();
 112     test<std::wistringstream*>();
 113     test<std::wostringstream*>();
 114     test<std::wstringstream* >();
 115
 116     test<std::wfilebuf* >();
 117     test<std::wifstream*>();
 118     test<std::wofstream*>();
 119     test<std::wfstream* >();
 120
 121     test<std::fpos<std::mbstate_t>*>();
 122     test<std::streampos*           >();
 123     test<std::wstreampos*          >();
 124
 125   return 0;
 126 }