1 /* $Id: test_fstream_pushback.cpp 573946 2018-11-04 18:24:56Z lavr $
2 * ===========================================================================
3 *
4 * PUBLIC DOMAIN NOTICE
5 * National Center for Biotechnology Information
6 *
7 * This software/database is a "United States Government Work" under the
8 * terms of the United States Copyright Act. It was written as part of
9 * the author's official duties as a United States Government employee and
10 * thus cannot be copyrighted. This software/database is freely available
11 * to the public for use. The National Library of Medicine and the U.S.
12 * Government have not placed any restriction on its use or reproduction.
13 *
14 * Although all reasonable efforts have been taken to ensure the accuracy
15 * and reliability of the software and data, the NLM and the U.S.
16 * Government do not and cannot warrant the performance or results that
17 * may be obtained by using this software or data. The NLM and the U.S.
18 * Government disclaim all warranties, express or implied, including
19 * warranties of performance, merchantability or fitness for any particular
20 * purpose.
21 *
22 * Please cite the author in any work or product based on this material.
23 *
24 * ===========================================================================
25 *
26 * Author: Anton Lavrentiev
27 *
28 * File Description:
29 * Test CStreamUtils::Pushback() interface.
30 *
31 */
32
33 #include <ncbi_pch.hpp>
34 #include "pbacktest.hpp"
35 #include <corelib/ncbidiag.hpp>
36 #include <corelib/test_mt.hpp>
37 #include <stdio.h> // remove()
38
39 #include <common/test_assert.h> // This header must go last
40
41
42 BEGIN_NCBI_SCOPE
43
44
45 class CTestApp : public CThreadedApp
46 {
47 public:
48 virtual bool Thread_Run(int idx);
49
50 private:
51 static const char sm_Filename[];
52 };
53
54
55 const char CTestApp::sm_Filename[] = "test_fstream_pushback.data";
56
57
Thread_Run(int idx)58 bool CTestApp::Thread_Run(int idx)
59 {
60 string id = NStr::IntToString(idx);
61
62 string filename = sm_Filename + string(1, '.') + id;
63
64 PushDiagPostPrefix(("@" + id).c_str());
65
66 CNcbiFstream fs(filename.c_str(),
67 IOS_BASE::in | IOS_BASE::out |
68 IOS_BASE::trunc | IOS_BASE::binary);
69
70 int ret = TEST_StreamPushback(fs, true/*rewind*/);
71
72 PopDiagPostPrefix();
73
74 if (ret)
75 return false;
76
77 remove(filename.c_str());
78 return true;
79 }
80
81
82 END_NCBI_SCOPE
83
84
main(int argc,char * argv[])85 int main(int argc, char* argv[])
86 {
87 USING_NCBI_SCOPE;
88
89 #ifdef NCBI_OS_MSWIN
90 static char buf[4096];
91 cerr.rdbuf()->pubsetbuf(buf, sizeof(buf));
92 cerr.unsetf(ios_base::unitbuf);
93 #endif /*NCBI_OS_MSWIN*/
94
95 SetDiagTrace(eDT_Enable);
96 SetDiagPostLevel(eDiag_Info);
97 SetDiagPostAllFlags((SetDiagPostAllFlags(eDPF_Default) & ~eDPF_All)
98 | eDPF_DateTime | eDPF_Severity
99 | eDPF_OmitInfoSev | eDPF_ErrorID
100 | eDPF_Prefix);
101 SetDiagTraceAllFlags(SetDiagPostAllFlags(eDPF_Default));
102
103 s_NumThreads = 2; // default is small
104
105 return CTestApp().AppMain(argc, argv);
106 }
107