| // (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com) |
| // (C) Copyright 2004-2007 Jonathan Turkanis |
| // Distributed under 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.) |
| |
| // See http://www.boost.org/libs/iostreams for documentation. |
| |
| #include <fstream> |
| #include <boost/iostreams/device/file.hpp> |
| #include <boost/iostreams/filtering_stream.hpp> |
| #include <boost/iostreams/filter/regex.hpp> |
| #include <boost/test/test_tools.hpp> |
| #include <boost/test/unit_test.hpp> |
| #include "detail/temp_file.hpp" |
| #include "detail/verification.hpp" |
| |
| using namespace std; |
| using namespace boost::iostreams; |
| using namespace boost::iostreams::test; |
| using boost::unit_test::test_suite; |
| |
| struct replace_lower { |
| std::string operator() (const boost::match_results<const char*>&) |
| { return "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; } |
| #ifndef BOOST_IOSTREAMS_NO_WIDE_STREAMS |
| std::wstring operator() (const boost::match_results<const wchar_t*>&) |
| { return L"ABCDEFGHIJKLMNOPQRSTUVWXYZ"; } |
| #endif |
| }; |
| |
| void regex_filter_test() |
| { |
| // Note: Given the basic stream and filter tests, two regex tests |
| // are probably sufficient: reading with a filter based on a function, |
| // and writing with a filter based on a format string. |
| |
| test_file test; |
| uppercase_file upper; |
| |
| boost::regex match_lower("[a-z]+"); |
| std::string fmt = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; |
| |
| { |
| // Note: the ifstream second is placed in a nested scope because |
| // closing and reopening a single ifstream failed for CW 9.4 on Windows. |
| |
| // Test reading from a regex filter based on a function in chars. |
| filtering_istream |
| first(boost::iostreams::regex_filter(match_lower, replace_lower())); |
| first.push(file_source(test.name(), in_mode)); |
| { |
| ifstream second(upper.name().c_str(), in_mode); |
| BOOST_CHECK_MESSAGE( |
| compare_streams_in_chars(first, second), |
| "failed reading from function-based regex_filter in chars" |
| ); |
| } |
| first.pop(); |
| |
| // Test reading from a regex filter based on a function in chunks. |
| // (Also tests reusing the regex filter.) |
| first.push(file_source(test.name(), in_mode)); |
| { |
| ifstream second(upper.name().c_str(), in_mode); |
| BOOST_CHECK_MESSAGE( |
| compare_streams_in_chunks(first, second), |
| "failed reading from function-based regex_filter in chunks" |
| ); |
| } |
| } |
| |
| { |
| // Note: the ifstream second is placed in a nested scope because |
| // closing and reopening a single ifstream failed for CW 9.4 on Windows. |
| |
| // Test reading from a regex filter based on a format string in chars. |
| filtering_istream |
| first(boost::iostreams::regex_filter(match_lower, fmt)); |
| first.push(file_source(test.name(), in_mode)); |
| { |
| ifstream second(upper.name().c_str(), in_mode); |
| BOOST_CHECK_MESSAGE( |
| compare_streams_in_chars(first, second), |
| "failed reading from format-string-based regex_filter in chars" |
| ); |
| } |
| first.pop(); |
| |
| // Test reading from a regex filter based on a format string in chunks. |
| // (Also tests reusing the regex filter.) |
| first.push(file_source(test.name(), in_mode)); |
| { |
| ifstream second(upper.name().c_str(), in_mode); |
| BOOST_CHECK_MESSAGE( |
| compare_streams_in_chars(first, second), |
| "failed reading from format-string-based regex_filter in chunks" |
| ); |
| } |
| } |
| |
| { |
| test_file dest1; |
| test_file dest2; |
| |
| // Test writing to a regex filter based on a function in chars. |
| filtering_ostream |
| out(boost::iostreams::regex_filter(match_lower, replace_lower())); |
| out.push(file_sink(dest1.name(), out_mode)); |
| write_data_in_chars(out); |
| out.pop(); |
| BOOST_CHECK_MESSAGE( |
| compare_files(dest1.name(), upper.name()), |
| "failed writing to function-based regex_filter in chars" |
| ); |
| |
| // Test writing to a regex filter based on a function in chunks. |
| // (Also tests reusing the regex filter.) |
| out.push(file_sink(dest2.name(), out_mode)); |
| write_data_in_chunks(out); |
| out.pop(); |
| BOOST_CHECK_MESSAGE( |
| compare_files(dest2.name(), upper.name()), |
| "failed writing to function-based regex_filter in chunks" |
| ); |
| } |
| |
| { |
| test_file dest1; |
| test_file dest2; |
| |
| // Test writing to a regex filter based on a format string in chars. |
| filtering_ostream |
| out(boost::iostreams::regex_filter(match_lower, fmt)); |
| out.push(file_sink(dest1.name(), out_mode)); |
| write_data_in_chars(out); |
| out.pop(); |
| BOOST_CHECK_MESSAGE( |
| compare_files(dest1.name(), upper.name()), |
| "failed writing to format-string-based regex_filter in chars" |
| ); |
| |
| // Test writing to a regex filter based on a format string in chunks. |
| // (Also tests reusing the regex filter.) |
| out.push(file_sink(dest2.name(), out_mode)); |
| write_data_in_chunks(out); |
| out.pop(); |
| BOOST_CHECK_MESSAGE( |
| compare_files(dest2.name(), upper.name()), |
| "failed writing to format-string-based regex_filter in chunks" |
| ); |
| } |
| |
| { |
| // Note: the ifstream second is placed in a nested scope because |
| // closing and reopening a single ifstream failed for CW 9.4 on Windows. |
| |
| // Test reading from a regex filter with no matches; this checks that |
| // Ticket #1139 is fixed |
| boost::regex match_xxx("xxx"); |
| test_file test2; |
| filtering_istream |
| first(boost::iostreams::regex_filter(match_xxx, replace_lower())); |
| first.push(file_source(test.name(), in_mode)); |
| { |
| ifstream second(test2.name().c_str(), in_mode); |
| BOOST_CHECK_MESSAGE( |
| compare_streams_in_chars(first, second), |
| "failed reading from a regex filter with no matches" |
| ); |
| } |
| } |
| } |
| |
| #ifndef BOOST_IOSTREAMS_NO_WIDE_STREAMS |
| |
| void wregex_filter_test() |
| { |
| // Note: Given the basic stream and filter tests, two regex tests |
| // are probably sufficient: reading with a filter based on a function, |
| // and writing with a filter based on a format string. |
| |
| test_file test; |
| uppercase_file upper; |
| |
| boost::wregex match_lower(L"[a-z]+"); |
| std::wstring fmt = L"ABCDEFGHIJKLMNOPQRSTUVWXYZ"; |
| |
| { |
| // Note: the ifstream second is placed in a nested scope because |
| // closing and reopening a single ifstream failed for CW 9.4 on Windows. |
| |
| // Test reading from a regex filter based on a function in chars. |
| filtering_wistream |
| first(boost::iostreams::wregex_filter(match_lower, replace_lower())); |
| first.push(wfile_source(test.name(), in_mode)); |
| { |
| wifstream second(upper.name().c_str(), in_mode); |
| BOOST_CHECK_MESSAGE( |
| compare_streams_in_chars(first, second), |
| "failed reading from function-based regex_filter in chars" |
| ); |
| } |
| first.pop(); |
| |
| // Test reading from a regex filter based on a function in chunks. |
| // (Also tests reusing the regex filter.) |
| first.push(wfile_source(test.name(), in_mode)); |
| { |
| wifstream second(upper.name().c_str(), in_mode); |
| BOOST_CHECK_MESSAGE( |
| compare_streams_in_chunks(first, second), |
| "failed reading from function-based regex_filter in chunks" |
| ); |
| } |
| } |
| |
| { |
| // Note: the ifstream second is placed in a nested scope because |
| // closing and reopening a single ifstream failed for CW 9.4 on Windows. |
| |
| // Test reading from a regex filter based on a format string in chars. |
| filtering_wistream |
| first(boost::iostreams::wregex_filter(match_lower, fmt)); |
| first.push(wfile_source(test.name(), in_mode)); |
| { |
| wifstream second(upper.name().c_str(), in_mode); |
| BOOST_CHECK_MESSAGE( |
| compare_streams_in_chars(first, second), |
| "failed reading from format-string-based regex_filter in chars" |
| ); |
| } |
| first.pop(); |
| |
| // Test reading from a regex filter based on a format string in chunks. |
| // (Also tests reusing the regex filter.) |
| first.push(wfile_source(test.name(), in_mode)); |
| { |
| wifstream second(upper.name().c_str(), in_mode); |
| BOOST_CHECK_MESSAGE( |
| compare_streams_in_chars(first, second), |
| "failed reading from format-string-based regex_filter in chunks" |
| ); |
| } |
| } |
| |
| { |
| test_file dest1; |
| test_file dest2; |
| |
| // Test writing to a regex filter based on a function in chars. |
| filtering_wostream |
| out(boost::iostreams::wregex_filter(match_lower, replace_lower())); |
| out.push(wfile_sink(dest1.name(), out_mode)); |
| write_data_in_chars(out); |
| out.pop(); |
| BOOST_CHECK_MESSAGE( |
| compare_files(dest1.name(), upper.name()), |
| "failed writing to function-based regex_filter in chars" |
| ); |
| |
| // Test writing to a regex filter based on a function in chunks. |
| // (Also tests reusing the regex filter.) |
| out.push(wfile_sink(dest2.name(), out_mode)); |
| write_data_in_chunks(out); |
| out.pop(); |
| BOOST_CHECK_MESSAGE( |
| compare_files(dest2.name(), upper.name()), |
| "failed writing to function-based regex_filter in chunks" |
| ); |
| } |
| |
| { |
| test_file dest1; |
| test_file dest2; |
| |
| // Test writing to a regex filter based on a format string in chars. |
| filtering_wostream |
| out(boost::iostreams::wregex_filter(match_lower, fmt)); |
| out.push(wfile_sink(dest1.name(), out_mode)); |
| write_data_in_chars(out); |
| out.pop(); |
| BOOST_CHECK_MESSAGE( |
| compare_files(dest1.name(), upper.name()), |
| "failed writing to format-string-based regex_filter in chars" |
| ); |
| |
| // Test writing to a regex filter based on a format string in chunks. |
| // (Also tests reusing the regex filter.) |
| out.push(wfile_sink(dest2.name(), out_mode)); |
| write_data_in_chunks(out); |
| out.pop(); |
| BOOST_CHECK_MESSAGE( |
| compare_files(dest2.name(), upper.name()), |
| "failed writing to format-string-based regex_filter in chunks" |
| ); |
| } |
| |
| { |
| // Note: the ifstream second is placed in a nested scope because |
| // closing and reopening a single ifstream failed for CW 9.4 on Windows. |
| |
| // Test reading from a regex filter with no matches; this checks that |
| // Ticket #1139 is fixed |
| boost::wregex match_xxx(L"xxx"); |
| test_file test2; |
| filtering_wistream |
| first(boost::iostreams::wregex_filter(match_xxx, replace_lower())); |
| first.push(wfile_source(test.name(), in_mode)); |
| { |
| wifstream second(test2.name().c_str(), in_mode); |
| BOOST_CHECK_MESSAGE( |
| compare_streams_in_chars(first, second), |
| "failed reading from a regex filter with no matches" |
| ); |
| } |
| } |
| } |
| |
| #endif |
| |
| test_suite* init_unit_test_suite(int, char* []) |
| { |
| test_suite* test = BOOST_TEST_SUITE("regex_filter test"); |
| test->add(BOOST_TEST_CASE(®ex_filter_test)); |
| #ifndef BOOST_IOSTREAMS_NO_WIDE_STREAMS |
| test->add(BOOST_TEST_CASE(&wregex_filter_test)); |
| #endif |
| return test; |
| } |