[29] | 1 | // (C) Copyright Jonathan Turkanis 2004 |
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| 2 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
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| 3 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.) |
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| 4 | |
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| 5 | // See http://www.boost.org/libs/iostreams for documentation. |
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| 6 | |
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| 7 | |
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| 8 | #ifndef BOOST_IOSTREAMS_TEST_VERIFICATION_HPP_INCLUDED |
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| 9 | #define BOOST_IOSTREAMS_TEST_VERIFICATION_HPP_INCLUDED |
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| 10 | |
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| 11 | #include <exception> |
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| 12 | #include <string> |
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| 13 | #include <string.h> |
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| 14 | #include <fstream> |
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| 15 | #ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES |
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| 16 | # include <istream> |
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| 17 | # include <ostream> |
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| 18 | #else |
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| 19 | # include <iostream.h> |
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| 20 | #endif |
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| 21 | |
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| 22 | #include <boost/config.hpp> |
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| 23 | #include <boost/detail/workaround.hpp> |
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| 24 | #include <boost/iostreams/detail/char_traits.hpp> |
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| 25 | #include <boost/iostreams/detail/config/wide_streams.hpp> |
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| 26 | #include "./constants.hpp" |
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| 27 | |
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| 28 | // Code generation bugs cause tests to fail with global optimization. |
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| 29 | #if BOOST_WORKAROUND(BOOST_MSVC, < 1300) |
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| 30 | # pragma optimize("g", off) |
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| 31 | #endif |
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| 32 | |
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| 33 | // Included only by tests; no need to #undef. |
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| 34 | #ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES |
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| 35 | # define BOOST_TEMPLATE_DECL template<typename Ch, typename Tr> |
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| 36 | # define BOOST_CHAR Ch |
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| 37 | # define BOOST_ISTREAM std::basic_istream<Ch, Tr> |
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| 38 | # define BOOST_OSTREAM std::basic_ostream<Ch, Tr> |
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| 39 | #else |
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| 40 | # define BOOST_TEMPLATE_DECL |
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| 41 | # define BOOST_CHAR char |
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| 42 | # define BOOST_ISTREAM std::istream |
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| 43 | # define BOOST_OSTREAM std::ostream |
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| 44 | #endif |
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| 45 | |
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| 46 | namespace boost { namespace iostreams { namespace test { |
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| 47 | |
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| 48 | BOOST_TEMPLATE_DECL |
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| 49 | bool compare_streams_in_chars(BOOST_ISTREAM& first, BOOST_ISTREAM& second) |
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| 50 | { |
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| 51 | for (int z = 0; z < 10; ++z) |
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| 52 | for (int w = 0; w < data_length(); ++w) |
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| 53 | if (first.eof() != second.eof() || first.get() != second.get()) |
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| 54 | return false; |
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| 55 | return true; |
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| 56 | } |
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| 57 | |
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| 58 | BOOST_TEMPLATE_DECL |
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| 59 | bool compare_streams_in_chunks(BOOST_ISTREAM& first, BOOST_ISTREAM& second) |
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| 60 | { |
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| 61 | int i = 0; |
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| 62 | do { |
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| 63 | BOOST_CHAR buf_one[chunk_size]; |
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| 64 | BOOST_CHAR buf_two[chunk_size]; |
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| 65 | first.read(buf_one, chunk_size); |
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| 66 | second.read(buf_two, chunk_size); |
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| 67 | std::streamsize amt = first.gcount(); |
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| 68 | if ( amt != static_cast<std::streamsize>(second.gcount()) || |
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| 69 | BOOST_IOSTREAMS_CHAR_TRAITS(BOOST_CHAR):: |
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| 70 | compare(buf_one, buf_two, amt) != 0 ) |
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| 71 | return false; |
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| 72 | ++i; |
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| 73 | } while (!first.eof()); |
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| 74 | return true; |
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| 75 | } |
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| 76 | |
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| 77 | bool compare_files(const std::string& first, const std::string& second) |
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| 78 | { |
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| 79 | using namespace std; |
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| 80 | ifstream one(first.c_str(), BOOST_IOS::in | BOOST_IOS::binary); |
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| 81 | ifstream two(second.c_str(), BOOST_IOS::in | BOOST_IOS::binary); |
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| 82 | return compare_streams_in_chunks(one, two); |
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| 83 | } |
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| 84 | |
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| 85 | #ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES |
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| 86 | template<typename Container, typename Ch, typename Tr> |
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| 87 | #else |
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| 88 | template<typename Container> |
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| 89 | #endif |
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| 90 | bool compare_container_and_stream(Container& cnt, BOOST_ISTREAM& is) |
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| 91 | { |
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| 92 | typename Container::iterator first = cnt.begin(); |
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| 93 | typename Container::iterator last = cnt.end(); |
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| 94 | do { |
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| 95 | if ((first == last) != is.eof()) return false; |
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| 96 | if (first != last && *first++ != is.get()) return false; |
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| 97 | } while (first != last); |
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| 98 | return true; |
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| 99 | } |
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| 100 | |
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| 101 | BOOST_TEMPLATE_DECL |
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| 102 | void write_data_in_chars(BOOST_OSTREAM& os) |
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| 103 | { |
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| 104 | for (int z = 0; z < data_reps; ++z) |
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| 105 | for (int w = 0; w < data_length(); ++w) |
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| 106 | os.put(detail::data((BOOST_CHAR*)0)[w]); |
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| 107 | os.flush(); |
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| 108 | } |
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| 109 | |
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| 110 | BOOST_TEMPLATE_DECL |
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| 111 | void write_data_in_chunks(BOOST_OSTREAM& os) |
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| 112 | { |
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| 113 | const BOOST_CHAR* buf = detail::data((BOOST_CHAR*)0); |
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| 114 | for (int z = 0; z < data_reps; ++z) |
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| 115 | os.write(buf, data_length()); |
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| 116 | os.flush(); |
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| 117 | } |
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| 118 | |
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| 119 | bool test_seekable_in_chars(std::iostream& io) |
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| 120 | { |
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| 121 | int i; // old 'for' scope workaround. |
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| 122 | |
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| 123 | // Test seeking with ios::cur |
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| 124 | for (i = 0; i < data_reps; ++i) { |
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| 125 | int j; |
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| 126 | for (j = 0; j < chunk_size; ++j) |
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| 127 | io.put(narrow_data()[j]); |
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| 128 | io.seekp(-chunk_size, BOOST_IOS::cur); |
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| 129 | for (j = 0; j < chunk_size; ++j) |
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| 130 | if (io.get() != narrow_data()[j]) |
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| 131 | return false; |
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| 132 | io.seekp(-chunk_size, BOOST_IOS::cur); |
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| 133 | for (j = 0; j < chunk_size; ++j) |
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| 134 | io.put(narrow_data()[j]); |
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| 135 | } |
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| 136 | |
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| 137 | // Test seeking with ios::beg |
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| 138 | std::streamoff off = 0; |
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| 139 | io.seekp(0, BOOST_IOS::beg); |
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| 140 | for (i = 0; i < data_reps; ++i, off+= chunk_size) { |
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| 141 | int j; |
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| 142 | for (j = 0; j < chunk_size; ++j) |
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| 143 | io.put(narrow_data()[j]); |
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| 144 | io.seekp(off, BOOST_IOS::beg); |
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| 145 | for (j = 0; j < chunk_size; ++j) |
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| 146 | if (io.get() != narrow_data()[j]) |
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| 147 | return false; |
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| 148 | io.seekp(off, BOOST_IOS::beg); |
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| 149 | for (j = 0; j < chunk_size; ++j) |
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| 150 | io.put(narrow_data()[j]); |
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| 151 | } |
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| 152 | |
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| 153 | // Test seeking with ios::end |
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| 154 | io.seekp(0, BOOST_IOS::end); |
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| 155 | off = io.tellp(); |
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| 156 | io.seekp(-off, BOOST_IOS::end); |
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| 157 | for (i = 0; i < data_reps; ++i, off -= chunk_size) { |
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| 158 | int j; |
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| 159 | for (j = 0; j < chunk_size; ++j) |
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| 160 | io.put(narrow_data()[j]); |
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| 161 | io.seekp(-off, BOOST_IOS::end); |
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| 162 | for (j = 0; j < chunk_size; ++j) |
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| 163 | if (io.get() != narrow_data()[j]) |
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| 164 | return false; |
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| 165 | io.seekp(-off, BOOST_IOS::end); |
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| 166 | for (j = 0; j < chunk_size; ++j) |
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| 167 | io.put(narrow_data()[j]); |
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| 168 | } |
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| 169 | return true; |
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| 170 | } |
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| 171 | |
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| 172 | bool test_seekable_in_chunks(std::iostream& io) |
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| 173 | { |
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| 174 | int i; // old 'for' scope workaround. |
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| 175 | |
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| 176 | // Test seeking with ios::cu |
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| 177 | for (i = 0; i < data_reps; ++i) { |
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| 178 | io.write(narrow_data(), chunk_size); |
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| 179 | io.seekp(-chunk_size, BOOST_IOS::cur); |
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| 180 | char buf[chunk_size]; |
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| 181 | io.read(buf, chunk_size); |
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| 182 | if (strncmp(buf, narrow_data(), chunk_size) != 0) |
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| 183 | return false; |
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| 184 | io.seekp(-chunk_size, BOOST_IOS::cur); |
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| 185 | io.write(narrow_data(), chunk_size); |
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| 186 | } |
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| 187 | |
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| 188 | // Test seeking with ios::beg |
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| 189 | std::streamoff off = 0; |
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| 190 | io.seekp(0, BOOST_IOS::beg); |
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| 191 | for (i = 0; i < data_reps; ++i) { |
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| 192 | io.write(narrow_data(), chunk_size); |
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| 193 | io.seekp(off, BOOST_IOS::beg); |
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| 194 | char buf[chunk_size]; |
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| 195 | io.read(buf, chunk_size); |
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| 196 | if (strncmp(buf, narrow_data(), chunk_size) != 0) |
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| 197 | return false; |
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| 198 | io.seekp(off, BOOST_IOS::beg); |
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| 199 | io.write(narrow_data(), chunk_size); |
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| 200 | } |
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| 201 | |
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| 202 | // Test seeking with ios::end |
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| 203 | io.seekp(0, BOOST_IOS::end); |
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| 204 | off = io.tellp(); |
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| 205 | io.seekp(-off, BOOST_IOS::end); |
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| 206 | for (i = 0; i < data_reps; ++i) { |
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| 207 | io.write(narrow_data(), chunk_size); |
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| 208 | io.seekp(-off, BOOST_IOS::end); |
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| 209 | char buf[chunk_size]; |
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| 210 | io.read(buf, chunk_size); |
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| 211 | if (strncmp(buf, narrow_data(), chunk_size) != 0) |
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| 212 | return false; |
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| 213 | io.seekp(-off, BOOST_IOS::end); |
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| 214 | io.write(narrow_data(), chunk_size); |
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| 215 | } |
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| 216 | return true; |
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| 217 | } |
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| 218 | |
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| 219 | } } } // End namespaces test, iostreams, boost. |
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| 220 | |
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| 221 | #if BOOST_WORKAROUND(BOOST_MSVC, < 1300) |
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| 222 | # pragma optimize("", on) |
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| 223 | #endif |
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| 224 | |
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| 225 | #endif // #ifndef BOOST_IOSTREAMS_TEST_VERIFICATION_HPP_INCLUDED |
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