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diff --git a/libtdenetwork/qgpgme/tests/dataprovidertest.cpp b/libtdenetwork/qgpgme/tests/dataprovidertest.cpp
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+/* tests/dataprovidertest.cpp
+ Copyright (C) 2004 Klarälvdalens Datakonsult AB
+
+ This file is part of TQGPGME's regression test suite.
+
+ TQGPGME is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ TQGPGME is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with TQGPGME; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
+
+// -*- c++ -*-
+
+#ifdef NDEBUG
+#undef NDEBUG
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <qgpgme/dataprovider.h>
+#include <gpgmepp/data.h>
+#include <gpgmepp/data_p.h>
+#include <gpgme.h>
+
+#include <iostream>
+
+#include <string.h>
+#include <unistd.h>
+#include <assert.h>
+#include <errno.h>
+#include <stdlib.h>
+
+using namespace GpgME;
+
+static const char input[] = "foo bar baz\0foo bar baz";
+static const size_t inputSize = sizeof (input) / sizeof (*input) - 1;
+static const char nulls[256] = { '\0' };
+
+#define assertEqual( expr, expected ) \
+do { \
+ long long foo = (expr); \
+ if ( foo != (long long)expected ) { \
+ std::cerr << #expr << ": expected " << expected << "; got " << foo \
+ << ";errno: " << errno << "(" << strerror( errno ) << ")" << std::endl; \
+ exit( 1 ); \
+ } \
+} while( 0 )
+
+int main( int, char** ) {
+
+ {
+ //
+ // TQByteArrayDataProvider
+ //
+
+ // writing:
+ QGpgME::TQByteArrayDataProvider qba_dp;
+ Data data( &qba_dp );
+
+ assertEqual( data.write( input, inputSize ), inputSize );
+
+ const TQByteArray ba1 = qba_dp.data();
+ assertEqual( ba1.size(), inputSize );
+ assertEqual( memcmp( ba1.data(), input, inputSize ), 0 );
+
+ // seeking and reading:
+ assertEqual( data.seek( 0, SEEK_CUR ), inputSize );
+ assertEqual( data.seek( 4, SEEK_SET ), 4 );
+ char ch = '\0';
+ assertEqual( data.read( &ch, 1 ), 1 );
+ assertEqual( ch, input[4] );
+ assertEqual( data.read( &ch, 1 ), 1 );
+ assertEqual( ch, input[5] );
+
+ char buf[ inputSize + 10 ] = { '\0' };
+ assertEqual( data.seek( 0, SEEK_SET ), 0 );
+ assertEqual( data.read( buf, sizeof buf ), inputSize );
+ assertEqual( memcmp( buf, input, inputSize ), 0 );
+
+ // writing single char at end:
+ assertEqual( data.seek( 0, SEEK_END ), inputSize );
+ assertEqual( data.write( &ch, 1 ) , 1 );
+ const TQByteArray ba2 = qba_dp.data();
+ assertEqual( ba2.size(), inputSize + 1 );
+ assertEqual( memcmp( ba2.data(), input, inputSize ), 0 );
+ assertEqual( ba2[inputSize], ch );
+
+ // writing past end of buffer:
+ assertEqual( data.seek( 10, SEEK_END ), inputSize + 11 );
+ assertEqual( data.write( &ch, 1 ), 1 );
+ const TQByteArray ba3 = qba_dp.data();
+ assertEqual( ba3.size(), inputSize + 12 );
+ assertEqual( memcmp( ba3.data(), input, inputSize ), 0 );
+ assertEqual( ba3[inputSize], ch );
+ assertEqual( ba3[inputSize+11], ch );
+ assertEqual( memcmp( ba3.data() + inputSize + 1, nulls, 10 ), 0 );
+ }
+
+ {
+ //
+ // TQByteArrayDataProvider with initial data:
+ //
+ TQByteArray ba;
+ ba.duplicate( input, inputSize );
+ QGpgME::TQByteArrayDataProvider qba_dp( ba );
+ Data data( &qba_dp );
+
+ assertEqual( data.seek( 0, SEEK_END ), inputSize );
+ assertEqual( data.seek( 0, SEEK_SET ), 0 );
+ const TQByteArray ba1 = qba_dp.data();
+ assertEqual( ba1.size(), inputSize );
+ assertEqual( memcmp( ba1.data(), input, inputSize ), 0 );
+ }
+ return 0;
+}