ceph/src/boost/libs/serialization/test/test_codecvt_null.cpp

   1 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
   2 // test_codecvt_null.cpp
   3
   4 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
   5 // Use, modification and distribution is subject to the Boost Software
   6 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8
   9 // should pass compilation and execution.  Note: compilation with compilers
  10 // which use wchar_t as 2 byte objects will emit warnings.  These should be
  11 // ignored.
  12
  13 #include <algorithm> // std::copy
  14 #include <fstream>
  15 #include <iostream>
  16 #include <iterator>
  17 #include <locale>
  18 #include <vector>
  19 #include <cstdio> // remove
  20 #include <cstddef> // NULL, size_t
  21
  22 #include <boost/config.hpp>
  23 #if defined(BOOST_NO_STDC_NAMESPACE)
  24 namespace std{
  25     using ::remove;
  26 }
  27 #endif
  28
  29 #include "test_tools.hpp"
  30
  31 #include <boost/archive/codecvt_null.hpp>
  32 #include <boost/archive/iterators/ostream_iterator.hpp>
  33 #include <boost/archive/iterators/istream_iterator.hpp>
  34
  35 template<std::size_t S>
  36 struct test_data
  37 {
  38     static wchar_t wchar_encoding[];
  39 };
  40
  41 template<>
  42 wchar_t test_data<2>::wchar_encoding[] = {
  43     (wchar_t) 0x0001,
  44     (wchar_t) 0x007f,
  45     (wchar_t) 0x0080,
  46     (wchar_t) 0x07ff,
  47     (wchar_t) 0x0800,
  48     (wchar_t) 0x7fff
  49 };
  50
  51 template<>
  52 wchar_t test_data<4>::wchar_encoding[] = {
  53     (wchar_t) 0x00000001,
  54     (wchar_t) 0x0000007f,
  55     (wchar_t) 0x00000080,
  56     (wchar_t) 0x000007ff,
  57     (wchar_t) 0x00000800,
  58     (wchar_t) 0x0000ffff,
  59     (wchar_t) 0x00010000,
  60     (wchar_t) 0x0010ffff,
  61     (wchar_t) 0x001fffff,
  62     (wchar_t) 0x00200000,
  63     (wchar_t) 0x03ffffff,
  64     (wchar_t) 0x04000000,
  65     (wchar_t) 0x7fffffff
  66 };
  67
  68 #include <iostream>
  69
  70 int test_main( int /* argc */, char* /* argv */[] ) {
  71     const char * testfile = boost::archive::tmpnam(NULL);
  72     BOOST_REQUIRE(NULL != testfile);
  73
  74     std::locale old_loc;
  75     std::locale null_locale = std::locale(
  76         old_loc,
  77         new boost::archive::codecvt_null<wchar_t>
  78     );
  79
  80     typedef test_data<sizeof(wchar_t)> td;
  81     {
  82         std::wofstream ofs;
  83         ofs.imbue(null_locale);
  84         ofs.open(testfile, std::ios::binary);
  85         std::copy(
  86             td::wchar_encoding,
  87             td::wchar_encoding + sizeof(td::wchar_encoding)/sizeof(wchar_t),
  88             boost::archive::iterators::ostream_iterator<wchar_t>(ofs)
  89         );
  90     }
  91     bool ok = false;
  92     {
  93         std::wifstream ifs;
  94         ifs.imbue(null_locale);
  95         ifs.open(testfile, std::ios::binary);
  96         ok = std::equal(
  97             td::wchar_encoding,
  98             td::wchar_encoding + sizeof(td::wchar_encoding)/sizeof(wchar_t),
  99             boost::archive::iterators::istream_iterator<wchar_t>(ifs)
 100         );
 101     }
 102
 103     BOOST_CHECK(ok);
 104     {
 105         std::wofstream ofs("testfile2");
 106         ofs.imbue(null_locale);
 107         int i = 10;
 108         ofs << i << '\n';
 109         ofs.close();
 110
 111         std::wifstream ifs("testfile2");
 112         ifs.imbue(null_locale);
 113         int i2;
 114         ifs >> i2;
 115         std::cout << "i=" << i << std::endl;
 116         std::cout << "i2=" << i2 << std::endl;
 117         BOOST_CHECK(i == i2);
 118         ifs.close();
 119     }
 120
 121     std::remove(testfile);
 122     return EXIT_SUCCESS;
 123 }
 124