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qfilesystemwatcher.cpp

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1 /**************************************************************************** -

2 ** -

4 ** Contact: https://www.qt.io/licensing/ -

5 ** -

6 ** This file is part of the QtCore module of the Qt Toolkit. -

7 ** -

8 ** $QT_BEGIN_LICENSE:LGPL$ -

9 ** Commercial License Usage -

10 ** Licensees holding valid commercial Qt licenses may use this file in -

11 ** accordance with the commercial license agreement provided with the -

12 ** Software or, alternatively, in accordance with the terms contained in -

13 ** a written agreement between you and The Qt Company. For licensing terms -

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15 ** information use the contact form at https://www.qt.io/contact-us. -

16 ** -

17 ** GNU Lesser General Public License Usage -

18 ** Alternatively, this file may be used under the terms of the GNU Lesser -

19 ** General Public License version 3 as published by the Free Software -

20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the -

21 ** packaging of this file. Please review the following information to -

22 ** ensure the GNU Lesser General Public License version 3 requirements -

23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -

24 ** -

25 ** GNU General Public License Usage -

26 ** Alternatively, this file may be used under the terms of the GNU -

27 ** General Public License version 2.0 or (at your option) the GNU General -

28 ** Public license version 3 or any later version approved by the KDE Free -

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31 ** included in the packaging of this file. Please review the following -

32 ** information to ensure the GNU General Public License requirements will -

33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and -

34 ** https://www.gnu.org/licenses/gpl-3.0.html. -

35 ** -

36 ** $QT_END_LICENSE$ -

37 ** -

38 ****************************************************************************/ -

39 -

40 #include "qfilesystemwatcher.h" -

41 #include "qfilesystemwatcher_p.h" -

42 -

43 #ifndef QT_NO_FILESYSTEMWATCHER -

44 -

45 #include <qdatetime.h> -

46 #include <qdebug.h> -

47 #include <qdir.h> -

48 #include <qfileinfo.h> -

49 #include <qset.h> -

50 #include <qtimer.h> -

51 -

52 #if defined(Q_OS_LINUX) || (defined(Q_OS_QNX) && !defined(QT_NO_INOTIFY)) -

53 #define USE_INOTIFY -

54 #endif -

55 -

56 #include "qfilesystemwatcher_polling_p.h" -

57 #if defined(Q_OS_WIN) -

58 # include "qfilesystemwatcher_win_p.h" -

59 #elif defined(USE_INOTIFY) -

60 # include "qfilesystemwatcher_inotify_p.h" -

61 #elif defined(Q_OS_FREEBSD) || defined(Q_OS_NETBSD) || defined(Q_OS_OPENBSD) || defined(Q_OS_IOS) -

62 # include "qfilesystemwatcher_kqueue_p.h" -

63 #elif defined(Q_OS_OSX) -

64 # include "qfilesystemwatcher_fsevents_p.h" -

65 #endif -

66 -

67 QT_BEGIN_NAMESPACE -

68 -

69 QFileSystemWatcherEngine *QFileSystemWatcherPrivate::createNativeEngine(QObject *parent) -

70 { -

71 #if defined(Q_OS_WIN) -

72 return new QWindowsFileSystemWatcherEngine(parent); -

73 #elif defined(USE_INOTIFY) -

74 // there is a chance that inotify may fail on Linux pre-2.6.13 (August -

75 // 2005), so we can't just new inotify directly. -

return QInotifyFileSystemWatcherEngine::create(parent);

executed 355 times by 10 tests: return QInotifyFileSystemWatcherEngine::create(parent);

Executed by:

tst_QApplication
tst_QCompleter
tst_QFileDialog2
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QPrinter
tst_QSidebar
tst_languageChange

355

77 #elif defined(Q_OS_FREEBSD) || defined(Q_OS_NETBSD) || defined(Q_OS_OPENBSD) || defined(Q_OS_IOS) -

78 return QKqueueFileSystemWatcherEngine::create(parent); -

79 #elif defined(Q_OS_OSX) -

80 return QFseventsFileSystemWatcherEngine::create(parent); -

81 #else -

82 Q_UNUSED(parent); -

83 return 0; -

84 #endif -

85 } -

86 -

87 QFileSystemWatcherPrivate::QFileSystemWatcherPrivate() -

88 : native(0), poller(0) -

89 { -

}

executed 355 times by 10 tests: end of block

Executed by:

tst_QApplication
tst_QCompleter
tst_QFileDialog2
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QPrinter
tst_QSidebar
tst_languageChange

355

91 -

92 void QFileSystemWatcherPrivate::init() -

93 { -

94 Q_Q(QFileSystemWatcher); -

95 native = createNativeEngine(q); -

if (native) {

native	Description
TRUE	evaluated 355 times by 10 tests Evaluated by: tst_QApplication tst_QCompleter tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher tst_QFiledialog tst_QGraphicsProxyWidget tst_QPrinter tst_QSidebar tst_languageChange
FALSE	never evaluated

0-355

97 QObject::connect(native, -

98 SIGNAL(fileChanged(QString,bool)), -

99 q, -

100 SLOT(_q_fileChanged(QString,bool))); -

101 QObject::connect(native, -

102 SIGNAL(directoryChanged(QString,bool)), -

103 q, -

104 SLOT(_q_directoryChanged(QString,bool))); -

105

}

executed 355 times by 10 tests: end of block

Executed by:

tst_QApplication
tst_QCompleter
tst_QFileDialog2
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QPrinter
tst_QSidebar
tst_languageChange

355

106

}

executed 355 times by 10 tests: end of block

Executed by:

tst_QApplication
tst_QCompleter
tst_QFileDialog2
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QPrinter
tst_QSidebar
tst_languageChange

355

107 -

108 void QFileSystemWatcherPrivate::initPollerEngine() -

109 { -

110

if(poller)

poller	Description
TRUE	evaluated 5 times by 1 test Evaluated by: tst_QFileSystemWatcher
FALSE	evaluated 4 times by 1 test Evaluated by: tst_QFileSystemWatcher

4-5

111

return;

executed 5 times by 1 test: return;

Executed by:

tst_QFileSystemWatcher

112 -

113 Q_Q(QFileSystemWatcher); -

114 poller = new QPollingFileSystemWatcherEngine(q); // that was a mouthful -

115 QObject::connect(poller, -

116 SIGNAL(fileChanged(QString,bool)), -

117 q, -

118 SLOT(_q_fileChanged(QString,bool))); -

119 QObject::connect(poller, -

120 SIGNAL(directoryChanged(QString,bool)), -

121 q, -

122 SLOT(_q_directoryChanged(QString,bool))); -

123

}

executed 4 times by 1 test: end of block

Executed by:

tst_QFileSystemWatcher

124 -

125 void QFileSystemWatcherPrivate::_q_fileChanged(const QString &path, bool removed) -

126 { -

127 Q_Q(QFileSystemWatcher); -

128

if (!files.contains(path)) {

!files.contains(path)	Description
TRUE	never evaluated
FALSE	evaluated 28 times by 1 test Evaluated by: tst_QFileSystemWatcher

0-28

129 // the path was removed after a change was detected, but before we delivered the signal -

130

return;

never executed: return;

131 } -

132

if (removed)

removed	Description
TRUE	evaluated 16 times by 1 test Evaluated by: tst_QFileSystemWatcher
FALSE	evaluated 12 times by 1 test Evaluated by: tst_QFileSystemWatcher

12-16

133

files.removeAll(path);

executed 16 times by 1 test: files.removeAll(path);

Executed by:

tst_QFileSystemWatcher

134 emit q->fileChanged(path, QFileSystemWatcher::QPrivateSignal()); -

135

}

executed 28 times by 1 test: end of block

Executed by:

tst_QFileSystemWatcher

136 -

137 void QFileSystemWatcherPrivate::_q_directoryChanged(const QString &path, bool removed) -

138 { -

139 Q_Q(QFileSystemWatcher); -

140

if (!directories.contains(path)) {

!directories.contains(path)	Description
TRUE	never evaluated
FALSE	evaluated 64 times by 4 tests Evaluated by: tst_QCompleter tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher

0-64

141 // perhaps the path was removed after a change was detected, but before we delivered the signal -

142

return;

never executed: return;

143 } -

144

if (removed)

removed	Description
TRUE	evaluated 6 times by 1 test Evaluated by: tst_QFileSystemWatcher
FALSE	evaluated 58 times by 4 tests Evaluated by: tst_QCompleter tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher

6-58

145

directories.removeAll(path);

executed 6 times by 1 test: directories.removeAll(path);

Executed by:

tst_QFileSystemWatcher

146 emit q->directoryChanged(path, QFileSystemWatcher::QPrivateSignal()); -

147

}

executed 64 times by 4 tests: end of block

Executed by:

tst_QCompleter
tst_QFileDialog2
tst_QFileSystemModel
tst_QFileSystemWatcher

148 -

149 -

150 -

151 /*! -

152 \class QFileSystemWatcher -

153 \inmodule QtCore -

154 \brief The QFileSystemWatcher class provides an interface for monitoring files and directories for modifications. -

155 \ingroup io -

156 \since 4.2 -

157 \reentrant -

158 -

159 QFileSystemWatcher monitors the file system for changes to files -

160 and directories by watching a list of specified paths. -

161 -

162 Call addPath() to watch a particular file or directory. Multiple -

163 paths can be added using the addPaths() function. Existing paths can -

164 be removed by using the removePath() and removePaths() functions. -

165 -

166 QFileSystemWatcher examines each path added to it. Files that have -

167 been added to the QFileSystemWatcher can be accessed using the -

168 files() function, and directories using the directories() function. -

169 -

170 The fileChanged() signal is emitted when a file has been modified, -

171 renamed or removed from disk. Similarly, the directoryChanged() -

172 signal is emitted when a directory or its contents is modified or -

173 removed. Note that QFileSystemWatcher stops monitoring files once -

174 they have been renamed or removed from disk, and directories once -

175 they have been removed from disk. -

176 -

177 \list -

178 \li \b Notes: -

179 \list -

180 \li On systems running a Linux kernel without inotify support, -

181 file systems that contain watched paths cannot be unmounted. -

182 -

183 \li The act of monitoring files and directories for -

184 modifications consumes system resources. This implies there is a -

185 limit to the number of files and directories your process can -

186 monitor simultaneously. On all BSD variants, for -

187 example, an open file descriptor is required for each monitored -

188 file. Some system limits the number of open file descriptors to 256 -

189 by default. This means that addPath() and addPaths() will fail if -

190 your process tries to add more than 256 files or directories to -

191 the file system monitor. Also note that your process may have -

192 other file descriptors open in addition to the ones for files -

193 being monitored, and these other open descriptors also count in -

194 the total. \macos uses a different backend and does not -

195 suffer from this issue. -

196 \endlist -

197 \endlist -

198 -

199 \sa QFile, QDir -

200 */ -

201 -

202 -

203 /*! -

204 Constructs a new file system watcher object with the given \a parent. -

205 */ -

206 QFileSystemWatcher::QFileSystemWatcher(QObject *parent) -

207 : QObject(*new QFileSystemWatcherPrivate, parent) -

208 { -

209 d_func()->init(); -

210

}

executed 355 times by 10 tests: end of block

Executed by:

tst_QApplication
tst_QCompleter
tst_QFileDialog2
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QPrinter
tst_QSidebar
tst_languageChange

355

211 -

212 /*! -

213 Constructs a new file system watcher object with the given \a parent -

214 which monitors the specified \a paths list. -

215 */ -

216 QFileSystemWatcher::QFileSystemWatcher(const QStringList &paths, QObject *parent) -

217 : QObject(*new QFileSystemWatcherPrivate, parent) -

218 { -

219 d_func()->init(); -

220 addPaths(paths); -

221

}

never executed: end of block

222 -

223 /*! -

224 Destroys the file system watcher. -

225 */ -

226 QFileSystemWatcher::~QFileSystemWatcher() -

227 { } -

228 -

229 /*! -

230 Adds \a path to the file system watcher if \a path exists. The -

231 path is not added if it does not exist, or if it is already being -

232 monitored by the file system watcher. -

233 -

234 If \a path specifies a directory, the directoryChanged() signal -

235 will be emitted when \a path is modified or removed from disk; -

236 otherwise the fileChanged() signal is emitted when \a path is -

237 modified, renamed or removed. -

238 -

239 If the watch was successful, true is returned. -

240 -

241 Reasons for a watch failure are generally system-dependent, but -

242 may include the resource not existing, access failures, or the -

243 total watch count limit, if the platform has one. -

244 -

245 \note There may be a system dependent limit to the number of -

246 files and directories that can be monitored simultaneously. -

247 If this limit is been reached, \a path will not be monitored, -

248 and false is returned. -

249 -

250 \sa addPaths(), removePath() -

251 */ -

252 bool QFileSystemWatcher::addPath(const QString &path) -

253 { -

254

if (path.isEmpty()) {

path.isEmpty()	Description
TRUE	evaluated 1 time by 1 test Evaluated by: tst_QFileSystemWatcher
FALSE	evaluated 482 times by 8 tests Evaluated by: tst_QCompleter tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher tst_QFiledialog tst_QGraphicsProxyWidget tst_QPrinter tst_languageChange

1-482

255 qWarning("QFileSystemWatcher::addPath: path is empty"); -

256

return true;

executed 1 time by 1 test: return true;

Executed by:

tst_QFileSystemWatcher

257 } -

258 -

259 QStringList paths = addPaths(QStringList(path)); -

260

return paths.isEmpty();

executed 482 times by 8 tests: return paths.isEmpty();

Executed by:

tst_QCompleter
tst_QFileDialog2
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QPrinter
tst_languageChange

482

261 } -

262 -

263 /*! -

264 Adds each path in \a paths to the file system watcher. Paths are -

265 not added if they not exist, or if they are already being -

266 monitored by the file system watcher. -

267 -

268 If a path specifies a directory, the directoryChanged() signal -

269 will be emitted when the path is modified or removed from disk; -

270 otherwise the fileChanged() signal is emitted when the path is -

271 modified, renamed, or removed. -

272 -

273 The return value is a list of paths that could not be watched. -

274 -

275 Reasons for a watch failure are generally system-dependent, but -

276 may include the resource not existing, access failures, or the -

277 total watch count limit, if the platform has one. -

278 -

279 \note There may be a system dependent limit to the number of -

280 files and directories that can be monitored simultaneously. -

281 If this limit has been reached, the excess \a paths will not -

282 be monitored, and they will be added to the returned QStringList. -

283 -

284 \sa addPath(), removePaths() -

285 */ -

286 QStringList QFileSystemWatcher::addPaths(const QStringList &paths) -

287 { -

288 Q_D(QFileSystemWatcher); -

289 -

290 QStringList p = paths; -

291 QMutableListIterator<QString> it(p); -

292 -

293

while (it.hasNext()) {

it.hasNext()	Description
TRUE	evaluated 488 times by 8 tests Evaluated by: tst_QCompleter tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher tst_QFiledialog tst_QGraphicsProxyWidget tst_QPrinter tst_languageChange
FALSE	evaluated 487 times by 8 tests Evaluated by: tst_QCompleter tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher tst_QFiledialog tst_QGraphicsProxyWidget tst_QPrinter tst_languageChange

487-488

294 const QString &path = it.next(); -

295

if (path.isEmpty())

path.isEmpty()	Description
TRUE	evaluated 1 time by 1 test Evaluated by: tst_QFileSystemWatcher
FALSE	evaluated 487 times by 8 tests Evaluated by: tst_QCompleter tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher tst_QFiledialog tst_QGraphicsProxyWidget tst_QPrinter tst_languageChange

1-487

296

it.remove();

executed 1 time by 1 test: it.remove();

Executed by:

tst_QFileSystemWatcher

297

}

executed 488 times by 8 tests: end of block

Executed by:

tst_QCompleter
tst_QFileDialog2
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QPrinter
tst_languageChange

488

298 -

299

if (p.isEmpty()) {

p.isEmpty()	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_QFileSystemWatcher
FALSE	evaluated 485 times by 8 tests Evaluated by: tst_QCompleter tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher tst_QFiledialog tst_QGraphicsProxyWidget tst_QPrinter tst_languageChange

2-485

300 qWarning("QFileSystemWatcher::addPaths: list is empty"); -

301

return QStringList();

executed 2 times by 1 test: return QStringList();

Executed by:

tst_QFileSystemWatcher

302 } -

303 -

304 QFileSystemWatcherEngine *engine = 0; -

305 -

306 const QString on = objectName(); -

307 -

308

if (!on.startsWith(QLatin1String("_qt_autotest_force_engine_"))) {

!on.startsWith...rce_engine_"))	Description
TRUE	evaluated 458 times by 8 tests Evaluated by: tst_QCompleter tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher tst_QFiledialog tst_QGraphicsProxyWidget tst_QPrinter tst_languageChange
FALSE	evaluated 27 times by 1 test Evaluated by: tst_QFileSystemWatcher

27-458

309 // Normal runtime case - search intelligently for best engine -

310

if(d->native) {

d->native	Description
TRUE	evaluated 458 times by 8 tests Evaluated by: tst_QCompleter tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher tst_QFiledialog tst_QGraphicsProxyWidget tst_QPrinter tst_languageChange
FALSE	never evaluated

0-458

311 engine = d->native; -

312

} else {

executed 458 times by 8 tests: end of block

Executed by:

tst_QCompleter
tst_QFileDialog2
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QPrinter
tst_languageChange

458

313 d_func()->initPollerEngine(); -

314 engine = d->poller; -

315

}

never executed: end of block

316 -

317 } else { -

318 // Autotest override case - use the explicitly selected engine only -

319 const QStringRef forceName = on.midRef(26); -

320

if(forceName == QLatin1String("poller")) {

forceName == Q...ring("poller")	Description
TRUE	evaluated 9 times by 1 test Evaluated by: tst_QFileSystemWatcher
FALSE	evaluated 18 times by 1 test Evaluated by: tst_QFileSystemWatcher

9-18

321 qDebug("QFileSystemWatcher: skipping native engine, using only polling engine"); -

322 d_func()->initPollerEngine(); -

323 engine = d->poller; -

324

} else if(forceName == QLatin1String("native")) {

executed 9 times by 1 test: end of block

Executed by:

tst_QFileSystemWatcher

forceName == Q...ring("native")	Description
TRUE	evaluated 18 times by 1 test Evaluated by: tst_QFileSystemWatcher
FALSE	never evaluated

0-18

325 qDebug("QFileSystemWatcher: skipping polling engine, using only native engine"); -

326 engine = d->native; -

327

}

executed 18 times by 1 test: end of block

Executed by:

tst_QFileSystemWatcher

328

}

executed 27 times by 1 test: end of block

Executed by:

tst_QFileSystemWatcher

329 -

330

if(engine)

engine	Description
TRUE	evaluated 485 times by 8 tests Evaluated by: tst_QCompleter tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher tst_QFiledialog tst_QGraphicsProxyWidget tst_QPrinter tst_languageChange
FALSE	never evaluated

0-485

331

p = engine->addPaths(p, &d->files, &d->directories);

executed 485 times by 8 tests: p = engine->addPaths(p, &d->files, &d->directories);

Executed by:

tst_QCompleter
tst_QFileDialog2
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QPrinter
tst_languageChange

485

332 -

333

return p;

executed 485 times by 8 tests: return p;

Executed by:

tst_QCompleter
tst_QFileDialog2
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QPrinter
tst_languageChange

485

334 } -

335 -

336 /*! -

337 Removes the specified \a path from the file system watcher. -

338 -

339 If the watch is successfully removed, true is returned. -

340 -

341 Reasons for watch removal failing are generally system-dependent, -

342 but may be due to the path having already been deleted, for example. -

343 -

344 \sa removePaths(), addPath() -

345 */ -

346 bool QFileSystemWatcher::removePath(const QString &path) -

347 { -

348

if (path.isEmpty()) {

path.isEmpty()	Description
TRUE	evaluated 1 time by 1 test Evaluated by: tst_QFileSystemWatcher
FALSE	evaluated 105 times by 5 tests Evaluated by: tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher tst_QFiledialog tst_languageChange

1-105

349 qWarning("QFileSystemWatcher::removePath: path is empty"); -

350

return true;

executed 1 time by 1 test: return true;

Executed by:

tst_QFileSystemWatcher

351 } -

352 -

353 QStringList paths = removePaths(QStringList(path)); -

354

return paths.isEmpty();

executed 105 times by 5 tests: return paths.isEmpty();

Executed by:

tst_QFileDialog2
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_languageChange

105

355 } -

356 -

357 /*! -

358 Removes the specified \a paths from the file system watcher. -

359 -

360 The return value is a list of paths which were not able to be -

361 unwatched successfully. -

362 -

363 Reasons for watch removal failing are generally system-dependent, -

364 but may be due to the path having already been deleted, for example. -

365 -

366 \sa removePath(), addPaths() -

367 */ -

368 QStringList QFileSystemWatcher::removePaths(const QStringList &paths) -

369 { -

370 Q_D(QFileSystemWatcher); -

371 -

372 QStringList p = paths; -

373 QMutableListIterator<QString> it(p); -

374 -

375

while (it.hasNext()) {

it.hasNext()	Description
TRUE	evaluated 108 times by 5 tests Evaluated by: tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher tst_QFiledialog tst_languageChange
FALSE	evaluated 108 times by 5 tests Evaluated by: tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher tst_QFiledialog tst_languageChange

108

376 const QString &path = it.next(); -

377

if (path.isEmpty())

path.isEmpty()	Description
TRUE	evaluated 1 time by 1 test Evaluated by: tst_QFileSystemWatcher
FALSE	evaluated 107 times by 5 tests Evaluated by: tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher tst_QFiledialog tst_languageChange

1-107

378

it.remove();

executed 1 time by 1 test: it.remove();

Executed by:

tst_QFileSystemWatcher

379

}

executed 108 times by 5 tests: end of block

Executed by:

tst_QFileDialog2
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_languageChange

108

380 -

381

if (p.isEmpty()) {

p.isEmpty()	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_QFileSystemWatcher
FALSE	evaluated 106 times by 5 tests Evaluated by: tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher tst_QFiledialog tst_languageChange

2-106

382 qWarning("QFileSystemWatcher::removePaths: list is empty"); -

383

return QStringList();

executed 2 times by 1 test: return QStringList();

Executed by:

tst_QFileSystemWatcher

384 } -

385 -

386

if (d->native)

d->native	Description
TRUE	evaluated 106 times by 5 tests Evaluated by: tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher tst_QFiledialog tst_languageChange
FALSE	never evaluated

0-106

387

p = d->native->removePaths(p, &d->files, &d->directories);

executed 106 times by 5 tests: p = d->native->removePaths(p, &d->files, &d->directories);

Executed by:

tst_QFileDialog2
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_languageChange

106

388

if (d->poller)

d->poller	Description
TRUE	evaluated 5 times by 1 test Evaluated by: tst_QFileSystemWatcher
FALSE	evaluated 101 times by 5 tests Evaluated by: tst_QFileDialog2 tst_QFileSystemModel tst_QFileSystemWatcher tst_QFiledialog tst_languageChange

5-101

389

p = d->poller->removePaths(p, &d->files, &d->directories);

executed 5 times by 1 test: p = d->poller->removePaths(p, &d->files, &d->directories);

Executed by:

tst_QFileSystemWatcher

390 -

391

return p;

executed 106 times by 5 tests: return p;

Executed by:

tst_QFileDialog2
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_languageChange

106

392 } -

393 -

394 /*! -

395 \fn void QFileSystemWatcher::fileChanged(const QString &path) -

396 -

397 This signal is emitted when the file at the specified \a path is -

398 modified, renamed or removed from disk. -

399 -

400 \sa directoryChanged() -

401 */ -

402 -

403 /*! -

404 \fn void QFileSystemWatcher::directoryChanged(const QString &path) -

405 -

406 This signal is emitted when the directory at a specified \a path -

407 is modified (e.g., when a file is added or deleted) or removed -

408 from disk. Note that if there are several changes during a short -

409 period of time, some of the changes might not emit this signal. -

410 However, the last change in the sequence of changes will always -

411 generate this signal. -

412 -

413 \sa fileChanged() -

414 */ -

415 -

416 /*! -

417 \fn QStringList QFileSystemWatcher::directories() const -

418 -

419 Returns a list of paths to directories that are being watched. -

420 -

421 \sa files() -

422 */ -

423 -

424 /*! -

425 \fn QStringList QFileSystemWatcher::files() const -

426 -

427 Returns a list of paths to files that are being watched. -

428 -

429 \sa directories() -

430 */ -

431 -

432 QStringList QFileSystemWatcher::directories() const -

433 { -

434 Q_D(const QFileSystemWatcher); -

435

return d->directories;

executed 478 times by 8 tests: return d->directories;

Executed by:

tst_QCompleter
tst_QFileDialog2
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QPrinter
tst_languageChange

478

436 } -

437 -

438 QStringList QFileSystemWatcher::files() const -

439 { -

440 Q_D(const QFileSystemWatcher); -

441

return d->files;

executed 4 times by 1 test: return d->files;

Executed by:

tst_QFileSystemWatcher

442 } -

443 -

444 QT_END_NAMESPACE -

445 -

446 #include "moc_qfilesystemwatcher.cpp" -

447 -

448 #endif // QT_NO_FILESYSTEMWATCHER -

449 -

Source code

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