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performance_codecvt_null.cpp
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136 lines (119 loc) · 3.39 KB
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// test_codecvt_null.cpp
// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
// Use, modification and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// should pass compilation and execution. Note: compilation with compilers
// which use wchar_t as 2 byte objects will emit warnings. These should be
// ignored.
#include <algorithm>
#include <fstream>
#include <iostream>
#include <iterator>
#include <locale>
#include <vector>
#include <cstddef>
#include <cstdio> // remove
#include <boost/config.hpp>
#if defined(BOOST_NO_STDC_NAMESPACE)
namespace std{
using ::remove;
}
#endif
#include "test_tools.hpp"
#include <boost/archive/add_facet.hpp>
#include <boost/archive/codecvt_null.hpp>
#include <boost/archive/iterators/ostream_iterator.hpp>
#include <boost/archive/iterators/istream_iterator.hpp>
template<std::size_t S>
struct test_data
{
static wchar_t wchar_encoding[];
};
template<>
wchar_t test_data<2>::wchar_encoding[] = {
0x0001,
0x007f,
0x0080,
0x07ff,
0x0800,
0x7fff
};
template<>
wchar_t test_data<4>::wchar_encoding[] = {
0x00000001,
0x0000007f,
0x00000080,
0x000007ff,
0x00000800,
0x0000ffff,
0x00010000,
0x0010ffff,
0x001fffff,
0x00200000,
0x03ffffff,
0x04000000,
0x7fffffff
};
#include <iostream>
int test_main( int /* argc */, char* /* argv */[] ) {
const char * testfile = boost::archive::tmpnam(NULL);
BOOST_REQUIRE(NULL != testfile);
std::locale old_loc;
std::locale * null_locale =
boost::archive::add_facet(old_loc, new boost::archive::codecvt_null<wchar_t>);
typedef test_data<sizeof(wchar_t)> td;
{
std::wofstream ofs;
ofs.imbue(*null_locale);
ofs.open(testfile, std::ios::binary);
std::copy(
td::wchar_encoding,
#if ! defined(__BORLANDC__)
// borland 5.60 complains about this
td::wchar_encoding + sizeof(td::wchar_encoding)/sizeof(wchar_t),
#else
// so use this instead
td::wchar_encoding + 6,
#endif
boost::archive::iterators::ostream_iterator<wchar_t>(ofs)
);
}
bool ok = false;
{
std::wifstream ifs;
ifs.imbue(*null_locale);
ifs.open(testfile, std::ios::binary);
ok = std::equal(
td::wchar_encoding,
#if ! defined(__BORLANDC__)
// borland 5.60 complains about this
td::wchar_encoding + sizeof(td::wchar_encoding)/sizeof(wchar_t),
#else
// so use this instead
td::wchar_encoding + 6,
#endif
boost::archive::iterators::istream_iterator<wchar_t>(ifs)
);
}
BOOST_CHECK(ok);
{
std::wofstream ofs("testfile2");
ofs.imbue(*null_locale);
int i = 10;
ofs << i;
ofs.close();
std::wifstream ifs("testfile2");
ifs.imbue(*null_locale);
int i2;
ifs >> i2;
std::cout << "i=" << i << std::endl;
std::cout << "i2=" << i2 << std::endl;
BOOST_CHECK(i == i2);
ifs.close();
}
delete null_locale;
std::remove(testfile);
return EXIT_SUCCESS;
}