1 | // (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com) |
2 | // (C) Copyright 2004-2007 Jonathan Turkanis |
3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.) |
5 | |
6 | // See http://www.boost.org/libs/iostreams for documentation. |
7 | |
8 | #include <cctype> |
9 | #include <boost/iostreams/copy.hpp> |
10 | #include <boost/iostreams/device/file.hpp> |
11 | #include <boost/iostreams/filter/line.hpp> |
12 | #include <boost/iostreams/filtering_stream.hpp> |
13 | #include <boost/test/test_tools.hpp> |
14 | #include <boost/test/unit_test.hpp> |
15 | #include "detail/constants.hpp" |
16 | #include "detail/filters.hpp" |
17 | #include "detail/temp_file.hpp" |
18 | #include "detail/verification.hpp" |
19 | |
20 | // Must come last. |
21 | #include <boost/iostreams/detail/config/disable_warnings.hpp> // BCC 5.x. |
22 | |
23 | using namespace std; |
24 | using namespace boost; |
25 | using namespace boost::iostreams; |
26 | using namespace boost::iostreams::test; |
27 | using boost::unit_test::test_suite; |
28 | |
29 | struct toupper_line_filter : line_filter { |
30 | std::string do_filter(const std::string& line) |
31 | { |
32 | std::string result(line); |
33 | for ( std::string::size_type z = 0, len = line.size(); |
34 | z < len; |
35 | ++z ) |
36 | { |
37 | result[z] = std::toupper(c: (unsigned char) result[z]); |
38 | } |
39 | return result; |
40 | } |
41 | }; |
42 | |
43 | bool compare_streams_in_lines(std::istream& first, std::istream& second) |
44 | { |
45 | do { |
46 | std::string line_one; |
47 | std::string line_two; |
48 | std::getline(is&: first, str&: line_one); |
49 | std::getline(is&: second, str&: line_two); |
50 | if (line_one != line_two || first.eof() != second.eof()) |
51 | return false; |
52 | } while (!first.eof()); |
53 | return true; |
54 | } |
55 | |
56 | void read_line_filter() |
57 | { |
58 | test_file src; |
59 | uppercase_file upper; |
60 | filtering_istream first; |
61 | first.push(t: toupper_line_filter()); |
62 | first.push(t: file_source(src.name(), in_mode)); |
63 | ifstream second(upper.name().c_str(), in_mode); |
64 | BOOST_CHECK_MESSAGE( |
65 | compare_streams_in_lines(first, second), |
66 | "failed reading from a line_filter" |
67 | ); |
68 | } |
69 | |
70 | void write_line_filter() |
71 | { |
72 | test_file data; |
73 | temp_file dest; |
74 | uppercase_file upper; |
75 | |
76 | filtering_ostream out; |
77 | out.push(t: toupper_line_filter()); |
78 | out.push(t: file_sink(dest.name(), out_mode)); |
79 | copy(src: file_source(data.name(), in_mode), snk&: out); |
80 | out.reset(); |
81 | |
82 | ifstream first(dest.name().c_str()); |
83 | ifstream second(upper.name().c_str()); |
84 | BOOST_CHECK_MESSAGE( |
85 | compare_streams_in_lines(first, second), |
86 | "failed writing to a line_filter" |
87 | ); |
88 | } |
89 | |
90 | test_suite* init_unit_test_suite(int, char* []) |
91 | { |
92 | test_suite* test = BOOST_TEST_SUITE("line_filter test" ); |
93 | test->add(BOOST_TEST_CASE(&read_line_filter)); |
94 | test->add(BOOST_TEST_CASE(&write_line_filter)); |
95 | return test; |
96 | } |
97 | |
98 | #include <boost/iostreams/detail/config/enable_warnings.hpp> // BCC 5.x. |
99 | |
100 | |