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annotate ui/tests/common.cpp @ 454:efd1bd85112f

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author Andre Heinecke <aheinecke@intevation.de>
date Wed, 23 Apr 2014 10:36:22 +0000
parents 17e1c8f37d72
children
rev   line source
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Andre Heinecke <aheinecke@intevation.de>
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1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details.
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7 */
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8 #include <QString>
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9 #include <QTemporaryFile>
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10 #include <QDebug>
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11 #include "common.h"
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12
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13 QString getRandomDataFile(size_t size, const QDir &inDir)
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14 {
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15 QTemporaryFile *tmpfile;
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16 if (inDir != QDir()) {
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17 tmpfile = new QTemporaryFile(inDir.path() + "/downloadertest");
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18 } else {
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19 tmpfile = new QTemporaryFile();
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20 }
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21 tmpfile->setAutoRemove(false);
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22 tmpfile->open();
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23 size_t bufsize = 1024 * 1024;
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24 if (bufsize > size) {
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25 bufsize = size;
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26 }
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27 char buf[bufsize];
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28
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29 for (size_t i = 0; i < bufsize; i++) {
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30 buf[i] = (char) qrand() % 255;
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31 }
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32
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33 size_t bytesWritten=0;
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34 int retval = 0;
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35 do {
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36 size_t toWrite = size - bytesWritten;
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37 if (toWrite < bufsize) {
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38 retval = tmpfile->write(buf, toWrite);
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39 } else {
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40 retval = tmpfile->write(buf, bufsize);
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41 }
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42 bytesWritten += retval;
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43 } while (retval != -1 && bytesWritten < size);
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44
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45 tmpfile->close();
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46 QString ret = tmpfile->fileName();
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47 delete tmpfile;
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48 return ret;
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49 }
http://wald.intevation.org/projects/trustbridge/