File: pipeline_test.cpp

package info (click to toggle)
boost 1.34.1-14
  • links: PTS
  • area: main
  • in suites: lenny
  • size: 116,412 kB
  • ctags: 259,566
  • sloc: cpp: 642,395; xml: 56,450; python: 17,612; ansic: 14,520; sh: 2,265; yacc: 858; perl: 481; makefile: 478; lex: 94; sql: 74; csh: 6
file content (89 lines) | stat: -rw-r--r-- 2,811 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
// (C) Copyright Jonathan Turkanis 2004
// 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/test/test_tools.hpp>
#include <boost/test/unit_test.hpp>  
#include "detail/filters.hpp"
#include "detail/sequence.hpp"
#include "detail/temp_file.hpp"
#include "detail/verification.hpp"

using boost::unit_test::test_suite;    

void pipeline_test()
{
    using namespace std;
    using namespace boost;
    using namespace boost::iostreams;
    using namespace boost::iostreams::test;

    {
        test_file src;
        filtering_istream 
            in1( toupper_filter() | 
                 file_source(src.name()) );
        filtering_istream 
            in2( toupper_filter() | 
                 toupper_filter() | 
                 file_source(src.name()) );
        filtering_istream 
            in3( toupper_filter() | 
                 toupper_filter() | 
                 toupper_filter() | 
                 file_source(src.name()) );
        filtering_istream 
            in4( toupper_filter() | 
                 toupper_filter() | 
                 toupper_filter() | 
                 toupper_filter() | 
                 file_source(src.name()) );
        BOOST_CHECK(in1.size() == 2);
        BOOST_CHECK(in2.size() == 3);
        BOOST_CHECK(in3.size() == 4);
        BOOST_CHECK(in4.size() == 5);
    }

    {
        test_file       src;
        uppercase_file  upper;
        filtering_istream 
            first( toupper_filter() | 
                   toupper_multichar_filter() | 
                   file_source(src.name(), in_mode) );
        ifstream second(upper.name().c_str(), in_mode);
        BOOST_CHECK_MESSAGE(
            compare_streams_in_chunks(first, second),
            "failed reading from a filtering_istream in chunks with a "
            "multichar input filter"
        );
    }    
    
    {
        temp_file       dest;
        lowercase_file  lower;
        filtering_ostream  
            out( tolower_filter() |
                 tolower_multichar_filter() |
                 file_sink(dest.name(), out_mode) );
        write_data_in_chunks(out);
        out.reset();
        BOOST_CHECK_MESSAGE(
            compare_files(dest.name(), lower.name()),
            "failed writing to a filtering_ostream in chunks with a "
            "multichar output filter with no buffer"
        );
    }
}

test_suite* init_unit_test_suite(int, char* []) 
{
    test_suite* test = BOOST_TEST_SUITE("pipeline test");
    test->add(BOOST_TEST_CASE(&pipeline_test));
    return test;
}