Mercurial > trustbridge
comparison ui/tests/common.cpp @ 243:4b67cc2d4dad
Merged
| author | Sascha Wilde <wilde@intevation.de> |
|---|---|
| date | Fri, 28 Mar 2014 18:38:34 +0100 |
| parents | c05e126b0b9e |
| children | 17e1c8f37d72 |
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| 242:809eaca3898c | 243:4b67cc2d4dad |
|---|---|
| 1 #include <QString> | |
| 2 #include <QTemporaryFile> | |
| 3 #include <QDebug> | |
| 4 #include "common.h" | |
| 5 | |
| 6 QString getRandomDataFile(size_t size, const QDir &inDir) | |
| 7 { | |
| 8 QTemporaryFile *tmpfile; | |
| 9 if (inDir != QDir()) { | |
| 10 tmpfile = new QTemporaryFile(inDir.path() + "/downloadertest"); | |
| 11 } else { | |
| 12 tmpfile = new QTemporaryFile(); | |
| 13 } | |
| 14 tmpfile->setAutoRemove(false); | |
| 15 tmpfile->open(); | |
| 16 size_t bufsize = 1024 * 1024; | |
| 17 if (bufsize > size) { | |
| 18 bufsize = size; | |
| 19 } | |
| 20 char buf[bufsize]; | |
| 21 | |
| 22 for (size_t i = 0; i < bufsize; i++) { | |
| 23 buf[i] = (char) qrand() % 255; | |
| 24 } | |
| 25 | |
| 26 size_t bytesWritten=0; | |
| 27 int retval = 0; | |
| 28 do { | |
| 29 size_t toWrite = size - bytesWritten; | |
| 30 if (toWrite < bufsize) { | |
| 31 retval = tmpfile->write(buf, toWrite); | |
| 32 } else { | |
| 33 retval = tmpfile->write(buf, bufsize); | |
| 34 } | |
| 35 bytesWritten += retval; | |
| 36 } while (retval != -1 && bytesWritten < size); | |
| 37 | |
| 38 tmpfile->close(); | |
| 39 QString ret = tmpfile->fileName(); | |
| 40 delete tmpfile; | |
| 41 return ret; | |
| 42 } |