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_WRITE_SEEKABLE_HPP_INCLUDED
9 #define BOOST_IOSTREAMS_TEST_WRITE_SEEKABLE_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/temp_file.hpp"
16 #include "detail/verification.hpp"
17 
write_seekable_test()18 void write_seekable_test()
19 {
20     using namespace std;
21     using namespace boost;
22     using namespace boost::iostreams;
23     using namespace boost::iostreams::test;
24 
25     test_file test;
26     BOOST_IOS::openmode mode = out_mode | BOOST_IOS::trunc;
27 
28     {
29         temp_file                   test2;
30         filtering_stream<seekable>  out(file(test2.name(), mode), 0);
31         write_data_in_chars(out);
32         out.reset();
33         BOOST_CHECK_MESSAGE(
34             compare_files(test2.name(), test.name()),
35             "failed writing to filtering_stream<seekable> in chars with"
36             "no buffer"
37         );
38     }
39 
40     {
41         temp_file                   test2;
42         filtering_stream<seekable>  out(file(test2.name(), mode), 0);
43         write_data_in_chunks(out);
44         out.reset();
45         BOOST_CHECK_MESSAGE(
46             compare_files(test2.name(), test.name()),
47             "failed writing to filtering_stream<seekable> in chunks with"
48             "no buffer"
49         );
50     }
51 
52     {
53         temp_file                   test2;
54         filtering_stream<seekable>  out(file(test2.name(), mode));
55         write_data_in_chars(out);
56         out.reset();
57         BOOST_CHECK_MESSAGE(
58             compare_files(test2.name(), test.name()),
59             "failed writing to filtering_stream<seekable> in chars with"
60             "large buffer"
61         );
62     }
63 
64     {
65         temp_file                   test2;
66         filtering_stream<seekable>  out(file(test2.name(), mode));
67         write_data_in_chunks(out);
68         out.reset();
69         BOOST_CHECK_MESSAGE(
70             compare_files(test2.name(), test.name()),
71             "failed writing to filtering_stream<seekable> in chunks with"
72             "large buffer"
73         );
74     }
75 }
76 
77 #endif // #ifndef BOOST_IOSTREAMS_TEST_WRITE_SEEKABLE_HPP_INCLUDED
78