[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 | #include <cctype> |
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| 8 | #include <boost/iostreams/copy.hpp> |
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| 9 | #include <boost/iostreams/device/file.hpp> |
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| 10 | #include <boost/iostreams/filter/line.hpp> |
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| 11 | #include <boost/iostreams/filtering_stream.hpp> |
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| 12 | #include <boost/test/test_tools.hpp> |
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| 13 | #include <boost/test/unit_test.hpp> |
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| 14 | #include "detail/constants.hpp" |
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| 15 | #include "detail/filters.hpp" |
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| 16 | #include "detail/temp_file.hpp" |
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| 17 | #include "detail/verification.hpp" |
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| 18 | |
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| 19 | // Must come last. |
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| 20 | #include <boost/iostreams/detail/config/disable_warnings.hpp> // BCC 5.x. |
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| 21 | |
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| 22 | using namespace std; |
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| 23 | using namespace boost; |
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| 24 | using namespace boost::iostreams; |
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| 25 | using namespace boost::iostreams::test; |
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| 26 | using boost::unit_test::test_suite; |
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| 27 | |
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| 28 | struct toupper_line_filter : line_filter { |
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| 29 | std::string do_filter(const std::string& line) |
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| 30 | { |
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| 31 | std::string result(line); |
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| 32 | for ( std::string::size_type z = 0, len = line.size(); |
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| 33 | z < len; |
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| 34 | ++z ) |
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| 35 | { |
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| 36 | result[z] = std::toupper((unsigned char) result[z]); |
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| 37 | } |
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| 38 | return result; |
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| 39 | } |
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| 40 | }; |
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| 41 | |
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| 42 | bool compare_streams_in_lines(std::istream& first, std::istream& second) |
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| 43 | { |
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| 44 | do { |
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| 45 | std::string line_one; |
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| 46 | std::string line_two; |
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| 47 | std::getline(first, line_one); |
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| 48 | std::getline(second, line_two); |
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| 49 | if (line_one != line_two || first.eof() != second.eof()) |
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| 50 | return false; |
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| 51 | } while (!first.eof()); |
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| 52 | return true; |
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| 53 | } |
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| 54 | |
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| 55 | void read_line_filter() |
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| 56 | { |
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| 57 | test_file src; |
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| 58 | uppercase_file upper; |
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| 59 | filtering_istream first; |
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| 60 | first.push(toupper_line_filter()); |
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| 61 | first.push(file_source(src.name(), in_mode)); |
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| 62 | ifstream second(upper.name().c_str(), in_mode); |
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| 63 | BOOST_CHECK_MESSAGE( |
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| 64 | compare_streams_in_lines(first, second), |
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| 65 | "failed reading from a line_filter" |
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| 66 | ); |
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| 67 | } |
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| 68 | |
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| 69 | void write_line_filter() |
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| 70 | { |
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| 71 | test_file data; |
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| 72 | temp_file dest; |
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| 73 | uppercase_file upper; |
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| 74 | |
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| 75 | filtering_ostream out; |
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| 76 | out.push(toupper_line_filter()); |
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| 77 | out.push(file_sink(dest.name(), out_mode)); |
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| 78 | copy(file_source(data.name(), in_mode), out); |
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| 79 | out.reset(); |
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| 80 | |
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| 81 | ifstream first(dest.name().c_str()); |
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| 82 | ifstream second(upper.name().c_str()); |
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| 83 | BOOST_CHECK_MESSAGE( |
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| 84 | compare_streams_in_lines(first, second), |
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| 85 | "failed writing to a line_filter" |
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| 86 | ); |
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| 87 | } |
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| 88 | |
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| 89 | test_suite* init_unit_test_suite(int, char* []) |
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| 90 | { |
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| 91 | test_suite* test = BOOST_TEST_SUITE("line_filter test"); |
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| 92 | test->add(BOOST_TEST_CASE(&read_line_filter)); |
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| 93 | test->add(BOOST_TEST_CASE(&write_line_filter)); |
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| 94 | return test; |
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| 95 | } |
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| 96 | |
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| 97 | #include <boost/iostreams/detail/config/enable_warnings.hpp> // BCC 5.x. |
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| 98 | |
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