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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
// (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 <algorithm> // equal.
#include <fstream>
#include <boost/iostreams/device/back_inserter.hpp>
#include <boost/iostreams/device/file.hpp>
#include <boost/iostreams/device/null.hpp>
#include <boost/iostreams/filtering_stream.hpp>
#include <boost/iostreams/stream.hpp>
#include <boost/iostreams/operations.hpp>
#include <boost/test/test_tools.hpp>
#include <boost/test/unit_test.hpp>
#include "detail/filters.hpp"
#include "detail/temp_file.hpp"
#include "detail/verification.hpp"
using namespace std;
using namespace boost;
using namespace boost::iostreams;
using namespace boost::iostreams::test;
using boost::unit_test::test_suite;
void flush_test()
{
{
stream_buffer<null_sink> null;
null.open(null_sink());
BOOST_CHECK_MESSAGE(
iostreams::flush(null),
"failed flushing stream_buffer"
);
BOOST_CHECK_MESSAGE(
null.strict_sync(),
"failed strict-syncing stream_buffer with "
"non-flushable resource"
);
}
{
stream<null_sink> null;
null.open(null_sink());
BOOST_CHECK_MESSAGE(
iostreams::flush(null),
"failed flushing stream"
);
BOOST_CHECK_MESSAGE(
null.strict_sync(),
"failed strict-syncing stream with "
"non-flushable resource"
);
}
{
filtering_ostream null;
null.push(null_sink());
BOOST_CHECK_MESSAGE(
iostreams::flush(null),
"failed flushing filtering_ostream"
);
BOOST_CHECK_MESSAGE(
null.strict_sync(),
"failed strict-syncing filtering_ostream with "
"non-flushable resource"
);
}
{
filtering_ostream null;
null.push(tolower_filter());
null.push(null_sink());
BOOST_CHECK_MESSAGE(
iostreams::flush(null),
"failed flushing filtering_ostream with non-flushable filter"
);
BOOST_CHECK_MESSAGE(
!null.strict_sync(),
"strict-syncing filtering_ostream with "
"non-flushable filter succeeded"
);
}
{
vector<char> dest1;
vector<char> dest2;
filtering_ostream out;
out.set_auto_close(false);
out.push(flushable_output_filter());
// Write to dest1.
out.push(iostreams::back_inserter(dest1));
write_data_in_chunks(out);
out.flush();
// Write to dest2.
out.pop();
out.push(iostreams::back_inserter(dest2));
write_data_in_chunks(out);
out.flush();
BOOST_CHECK_MESSAGE(
dest1.size() == dest2.size() &&
std::equal(dest1.begin(), dest1.end(), dest2.begin()),
"failed flush filtering_ostream with auto_close disabled"
);
}
{
vector<char> dest1;
vector<char> dest2;
filtering_ostream out;
out.set_auto_close(false);
out.push(flushable_output_filter());
out.push(flushable_output_filter());
// Write to dest1.
out.push(iostreams::back_inserter(dest1));
write_data_in_chunks(out);
out.flush();
// Write to dest2.
out.pop();
out.push(iostreams::back_inserter(dest2));
write_data_in_chunks(out);
out.flush();
BOOST_CHECK_MESSAGE(
dest1.size() == dest2.size() &&
std::equal(dest1.begin(), dest1.end(), dest2.begin()),
"failed flush filtering_ostream with two flushable filters "
"with auto_close disabled"
);
}
}
test_suite* init_unit_test_suite(int, char* [])
{
test_suite* test = BOOST_TEST_SUITE("flush test");
test->add(BOOST_TEST_CASE(&flush_test));
return test;
}
|
