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_OUTPUT_ITERATOR_HPP_INCLUDED
9#define BOOST_IOSTREAMS_TEST_WRITE_OUTPUT_ITERATOR_HPP_INCLUDED
10
11#include <fstream>
12#include <iterator> // Back inserter.
13#include <vector>
14#include <boost/iostreams/filtering_stream.hpp>
15#include <boost/test/test_tools.hpp>
16#include "detail/sequence.hpp"
17#include "detail/temp_file.hpp"
18#include "detail/verification.hpp"
19
20// Note: adding raw inserter iterators to chains is not supported
21// on VC6.
22
23void write_output_iterator_test()
24{
25 using namespace std;
26 using namespace boost;
27 using namespace boost::iostreams;
28 using namespace boost::iostreams::test;
29
30 test_file test;
31
32 {
33 vector<char> first;
34 filtering_ostream out;
35 out.push(t: std::back_inserter(x&: first), buffer_size: 0);
36 write_data_in_chars(os&: out);
37 ifstream second(test.name().c_str());
38 BOOST_CHECK_MESSAGE(
39 compare_container_and_stream(first, second),
40 "failed writing to filtering_ostream based on an "
41 "output iterator in chars with no buffer"
42 );
43 }
44
45 {
46 vector<char> first;
47 filtering_ostream out;
48 out.push(t: std::back_inserter(x&: first), buffer_size: 0);
49 write_data_in_chunks(os&: out);
50 ifstream second(test.name().c_str());
51 BOOST_CHECK_MESSAGE(
52 compare_container_and_stream(first, second),
53 "failed writing to filtering_ostream based on an "
54 "output iterator in chunks with no buffer"
55 );
56 }
57
58 {
59 vector<char> first;
60 filtering_ostream out;
61 out.push(t: std::back_inserter(x&: first));
62 write_data_in_chars(os&: out);
63 ifstream second(test.name().c_str());
64 BOOST_CHECK_MESSAGE(
65 compare_container_and_stream(first, second),
66 "failed writing to filtering_ostream based on an "
67 "output iterator in chars with large buffer"
68 );
69 }
70
71 {
72 vector<char> first;
73 filtering_ostream out;
74 out.push(t: std::back_inserter(x&: first));
75 write_data_in_chunks(os&: out);
76 ifstream second(test.name().c_str());
77 BOOST_CHECK_MESSAGE(
78 compare_container_and_stream(first, second),
79 "failed writing to filtering_ostream based on an "
80 "output iterator in chunks with large buffer"
81 );
82 }
83}
84
85#endif // #ifndef BOOST_IOSTREAMS_TEST_WRITE_OUTPUT_ITERATOR_HPP_INCLUDED
86

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