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 #ifndef BOOST_IOSTREAMS_TEST_READ_INPUT_FILTER_HPP_INCLUDED
9 #define BOOST_IOSTREAMS_TEST_READ_INPUT_FILTER_HPP_INCLUDED
10 
11 #include <fstream>
12 #include <boost/iostreams/device/file.hpp>
13 #include <boost/iostreams/filtering_stream.hpp>
14 #include <boost/test/test_tools.hpp>
15 #include "detail/filters.hpp"
16 #include "detail/sequence.hpp"
17 #include "detail/temp_file.hpp"
18 #include "detail/verification.hpp"
19 
read_input_filter_test()20 void read_input_filter_test()
21 {
22     using namespace std;
23     using namespace boost;
24     using namespace boost::iostreams;
25     using namespace boost::iostreams::test;
26 
27     test_file       test;
28     uppercase_file  upper;
29 
30     {
31         filtering_istream first;
32         first.push(toupper_filter());
33         first.push(file_source(test.name()));
34         ifstream second(upper.name().c_str());
35         BOOST_CHECK_MESSAGE(
36             compare_streams_in_chars(first, second),
37             "failed reading from a filtering_istream in chars with an "
38             "input filter"
39         );
40     }
41 
42     {
43         filtering_istream first;
44         first.push(toupper_filter());
45         first.push(file_source(test.name()));
46         ifstream second(upper.name().c_str());
47         BOOST_CHECK_MESSAGE(
48             compare_streams_in_chunks(first, second),
49             "failed reading from a filtering_istream in chunks with an "
50             "input filter"
51         );
52     }
53 
54     {
55         filtering_istream first;
56         first.push(toupper_multichar_filter(), 0);
57         first.push(file_source(test.name()));
58         ifstream second(upper.name().c_str());
59         BOOST_CHECK_MESSAGE(
60             compare_streams_in_chars(first, second),
61             "failed reading from a filtering_istream in chars with a "
62             "multichar input filter with no buffer"
63         );
64     }
65 
66     {
67         filtering_istream first;
68         first.push(toupper_multichar_filter(), 0);
69         first.push(file_source(test.name()));
70         ifstream second(upper.name().c_str());
71         BOOST_CHECK_MESSAGE(
72             compare_streams_in_chunks(first, second),
73             "failed reading from a filtering_istream in chunks with a "
74             "multichar input filter with no buffer"
75         );
76     }
77 
78     {
79         test_file src;
80         filtering_istream first;
81         first.push(toupper_multichar_filter());
82         first.push(file_source(src.name()));
83         ifstream second(upper.name().c_str());
84         BOOST_CHECK_MESSAGE(
85             compare_streams_in_chars(first, second),
86             "failed reading from a filtering_istream in chars with a "
87             "multichar input filter"
88         );
89     }
90 
91     {
92         test_file src;
93         filtering_istream first;
94         first.push(toupper_multichar_filter());
95         first.push(file_source(src.name()));
96         ifstream second(upper.name().c_str());
97         BOOST_CHECK_MESSAGE(
98             compare_streams_in_chunks(first, second),
99             "failed reading from a filtering_istream in chunks with a "
100             "multichar input filter"
101         );
102     }
103 }
104 
105 #endif // #ifndef BOOST_IOSTREAMS_TEST_READ_INPUT_FILTER_HPP_INCLUDED
106