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
20void 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(t: toupper_filter());
33 first.push(t: 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(t: toupper_filter());
45 first.push(t: 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(t: toupper_multichar_filter(), buffer_size: 0);
57 first.push(t: 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(t: toupper_multichar_filter(), buffer_size: 0);
69 first.push(t: 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(t: toupper_multichar_filter());
82 first.push(t: 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(t: toupper_multichar_filter());
95 first.push(t: 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

source code of boost/libs/iostreams/test/read_input_filter_test.hpp