qdatastream.cpp

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

2 ** -

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

5 ** -

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

7 ** -

8 ** $QT_BEGIN_LICENSE:LGPL21$ -

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26 ** As a special exception, The Qt Company gives you certain additional -

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30 ** $QT_END_LICENSE$ -

31 ** -

32 ****************************************************************************/ -

33 -

34 #include "qdatastream.h" -

35 #include "qdatastream_p.h" -

36 -

37 #if !defined(QT_NO_DATASTREAM) || defined(QT_BOOTSTRAPPED) -

38 #include "qbuffer.h" -

39 #include "qstring.h" -

40 #include <stdio.h> -

41 #include <ctype.h> -

42 #include <stdlib.h> -

43 #include "qendian.h" -

44 -

45 QT_BEGIN_NAMESPACE -

46 -

47 /*! -

48 \class QDataStream -

49 \inmodule QtCore -

50 \reentrant -

51 \brief The QDataStream class provides serialization of binary data -

52 to a QIODevice. -

53 -

54 \ingroup io -

55 -

56 -

57 A data stream is a binary stream of encoded information which is -

58 100% independent of the host computer's operating system, CPU or -

59 byte order. For example, a data stream that is written by a PC -

60 under Windows can be read by a Sun SPARC running Solaris. -

61 -

62 You can also use a data stream to read/write \l{raw}{raw -

63 unencoded binary data}. If you want a "parsing" input stream, see -

64 QTextStream. -

65 -

66 The QDataStream class implements the serialization of C++'s basic -

67 data types, like \c char, \c short, \c int, \c{char *}, etc. -

68 Serialization of more complex data is accomplished by breaking up -

69 the data into primitive units. -

70 -

71 A data stream cooperates closely with a QIODevice. A QIODevice -

72 represents an input/output medium one can read data from and write -

73 data to. The QFile class is an example of an I/O device. -

74 -

75 Example (write binary data to a stream): -

76 -

77 \snippet code/src_corelib_io_qdatastream.cpp 0 -

78 -

79 Example (read binary data from a stream): -

80 -

81 \snippet code/src_corelib_io_qdatastream.cpp 1 -

82 -

83 Each item written to the stream is written in a predefined binary -

84 format that varies depending on the item's type. Supported Qt -

85 types include QBrush, QColor, QDateTime, QFont, QPixmap, QString, -

86 QVariant and many others. For the complete list of all Qt types -

87 supporting data streaming see \l{Serializing Qt Data Types}. -

88 -

89 For integers it is best to always cast to a Qt integer type for -

90 writing, and to read back into the same Qt integer type. This -

91 ensures that you get integers of the size you want and insulates -

92 you from compiler and platform differences. -

93 -

94 To take one example, a \c{char *} string is written as a 32-bit -

95 integer equal to the length of the string including the '\\0' byte, -

96 followed by all the characters of the string including the -

97 '\\0' byte. When reading a \c{char *} string, 4 bytes are read to -

98 create the 32-bit length value, then that many characters for the -

99 \c {char *} string including the '\\0' terminator are read. -

100 -

101 The initial I/O device is usually set in the constructor, but can be -

102 changed with setDevice(). If you've reached the end of the data -

103 (or if there is no I/O device set) atEnd() will return true. -

104 -

105 \section1 Versioning -

106 -

107 QDataStream's binary format has evolved since Qt 1.0, and is -

108 likely to continue evolving to reflect changes done in Qt. When -

109 inputting or outputting complex types, it's very important to -

110 make sure that the same version of the stream (version()) is used -

111 for reading and writing. If you need both forward and backward -

112 compatibility, you can hardcode the version number in the -

113 application: -

114 -

115 \snippet code/src_corelib_io_qdatastream.cpp 2 -

116 -

117 If you are producing a new binary data format, such as a file -

118 format for documents created by your application, you could use a -

119 QDataStream to write the data in a portable format. Typically, you -

120 would write a brief header containing a magic string and a version -

121 number to give yourself room for future expansion. For example: -

122 -

123 \snippet code/src_corelib_io_qdatastream.cpp 3 -

124 -

125 Then read it in with: -

126 -

127 \snippet code/src_corelib_io_qdatastream.cpp 4 -

128 -

129 You can select which byte order to use when serializing data. The -

130 default setting is big endian (MSB first). Changing it to little -

131 endian breaks the portability (unless the reader also changes to -

132 little endian). We recommend keeping this setting unless you have -

133 special requirements. -

134 -

135 \target raw -

136 \section1 Reading and Writing Raw Binary Data -

137 -

138 You may wish to read/write your own raw binary data to/from the -

139 data stream directly. Data may be read from the stream into a -

140 preallocated \c{char *} using readRawData(). Similarly data can be -

141 written to the stream using writeRawData(). Note that any -

142 encoding/decoding of the data must be done by you. -

143 -

144 A similar pair of functions is readBytes() and writeBytes(). These -

145 differ from their \e raw counterparts as follows: readBytes() -

146 reads a quint32 which is taken to be the length of the data to be -

147 read, then that number of bytes is read into the preallocated -

148 \c{char *}; writeBytes() writes a quint32 containing the length of the -

149 data, followed by the data. Note that any encoding/decoding of -

150 the data (apart from the length quint32) must be done by you. -

151 -

152 \section1 Reading and Writing Qt Collection Classes -

153 -

154 The Qt container classes can also be serialized to a QDataStream. -

155 These include QList, QLinkedList, QVector, QSet, QHash, and QMap. -

156 The stream operators are declared as non-members of the classes. -

157 -

158 \target Serializing Qt Classes -

159 \section1 Reading and Writing Other Qt Classes -

160 -

161 In addition to the overloaded stream operators documented here, -

162 any Qt classes that you might want to serialize to a QDataStream -

163 will have appropriate stream operators declared as non-member of -

164 the class: -

165 -

166 \code -

167 QDataStream &operator<<(QDataStream &, const QXxx &); -

168 QDataStream &operator>>(QDataStream &, QXxx &); -

169 \endcode -

170 -

171 For example, here are the stream operators declared as non-members -

172 of the QImage class: -

173 -

174 \code -

175 QDataStream & operator<< (QDataStream& stream, const QImage& image); -

176 QDataStream & operator>> (QDataStream& stream, QImage& image); -

177 \endcode -

178 -

179 To see if your favorite Qt class has similar stream operators -

180 defined, check the \b {Related Non-Members} section of the -

181 class's documentation page. -

182 -

183 \sa QTextStream, QVariant -

184 */ -

185 -

186 /*! -

187 \enum QDataStream::ByteOrder -

188 -

189 The byte order used for reading/writing the data. -

190 -

191 \value BigEndian Most significant byte first (the default) -

192 \value LittleEndian Least significant byte first -

193 */ -

194 -

195 /*! -

196 \enum QDataStream::FloatingPointPrecision -

197 -

198 The precision of floating point numbers used for reading/writing the data. This will only have -

199 an effect if the version of the data stream is Qt_4_6 or higher. -

200 -

201 \warning The floating point precision must be set to the same value on the object that writes -

202 and the object that reads the data stream. -

203 -

204 \value SinglePrecision All floating point numbers in the data stream have 32-bit precision. -

205 \value DoublePrecision All floating point numbers in the data stream have 64-bit precision. -

206 -

207 \sa setFloatingPointPrecision(), floatingPointPrecision() -

208 */ -

209 -

210 /*! -

211 \enum QDataStream::Status -

212 -

213 This enum describes the current status of the data stream. -

214 -

215 \value Ok The data stream is operating normally. -

216 \value ReadPastEnd The data stream has read past the end of the -

217 data in the underlying device. -

218 \value ReadCorruptData The data stream has read corrupt data. -

219 \value WriteFailed The data stream cannot write to the underlying device. -

220 */ -

221 -

222 /***************************************************************************** -

223 QDataStream member functions -

224 *****************************************************************************/ -

225 -

226 #undef CHECK_STREAM_PRECOND -

227 #ifndef QT_NO_DEBUG -

228 #define CHECK_STREAM_PRECOND(retVal) \ -

229 if (!dev) { \ -

230 qWarning("QDataStream: No device"); \ -

231 return retVal; \ -

232 } -

233 #else -

234 #define CHECK_STREAM_PRECOND(retVal) \ -

235 if (!dev) { \ -

236 return retVal; \ -

237 } -

238 #endif -

239 -

240 #define CHECK_STREAM_WRITE_PRECOND(retVal) \ -

241 CHECK_STREAM_PRECOND(retVal) \ -

242 if (q_status != Ok) \ -

243 return retVal; -

244 -

245 /*! -

246 Constructs a data stream that has no I/O device. -

247 -

248 \sa setDevice() -

249 */ -

250 -

251 QDataStream::QDataStream() -

252 { -

253 dev = 0; -

254 owndev = false; -

255 byteorder = BigEndian; -

256 ver = Qt_DefaultCompiledVersion; -

257 noswap = QSysInfo::ByteOrder == QSysInfo::BigEndian; -

258 q_status = Ok; -

259

}

executed 292 times by 8 tests: end of block

Executed by:

tst_QAbstractPrintDialog
tst_QDataStream
tst_QDateTime
tst_QFont
tst_QNetworkDiskCache
tst_QPdfWriter
tst_QPicture
tst_QPrinter

292

260 -

261 /*! -

262 Constructs a data stream that uses the I/O device \a d. -

263 -

264 \sa setDevice(), device() -

265 */ -

266 -

267 QDataStream::QDataStream(QIODevice *d) -

268 { -

269 dev = d; // set device -

270 owndev = false; -

271 byteorder = BigEndian; // default byte order -

272 ver = Qt_DefaultCompiledVersion; -

273 noswap = QSysInfo::ByteOrder == QSysInfo::BigEndian; -

274 q_status = Ok; -

275

}

executed 6879 times by 22 tests: end of block

Executed by:

tst_QAbstractNetworkCache
tst_QBitArray
tst_QBuffer
tst_QDataStream
tst_QDateTime
tst_QFile
tst_QGuiVariant
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QLocalSocket
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPainterPath
tst_QPixmap
tst_QPoint
tst_QPointF
tst_QSettings
tst_QTimeZone
tst_QVariant

6879

276 -

277 /*! -

278 \fn QDataStream::QDataStream(QByteArray *a, QIODevice::OpenMode mode) -

279 -

280 Constructs a data stream that operates on a byte array, \a a. The -

281 \a mode describes how the device is to be used. -

282 -

283 Alternatively, you can use QDataStream(const QByteArray &) if you -

284 just want to read from a byte array. -

285 -

286 Since QByteArray is not a QIODevice subclass, internally a QBuffer -

287 is created to wrap the byte array. -

288 */ -

289 -

290 QDataStream::QDataStream(QByteArray *a, QIODevice::OpenMode flags) -

291 { -

292 QBuffer *buf = new QBuffer(a); -

293 #ifndef QT_NO_QOBJECT -

294 buf->blockSignals(true); -

295 #endif -

296 buf->open(flags); -

297 dev = buf; -

298 owndev = true; -

299 byteorder = BigEndian; -

300 ver = Qt_DefaultCompiledVersion; -

301 noswap = QSysInfo::ByteOrder == QSysInfo::BigEndian; -

302 q_status = Ok; -

303

}

executed 6033 times by 46 tests: end of block

Executed by:

tst_QAbstractItemModel
tst_QAsn1Element
tst_QAuthenticator
tst_QBrush
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QImage
tst_QKeySequence
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMargins
tst_QMetaObjectBuilder
tst_QMetaType
tst_QObject
tst_QPen
tst_QPixmap
...

6033

304 -

305 /*! -

306 Constructs a read-only data stream that operates on byte array \a a. -

307 Use QDataStream(QByteArray*, int) if you want to write to a byte -

308 array. -

309 -

310 Since QByteArray is not a QIODevice subclass, internally a QBuffer -

311 is created to wrap the byte array. -

312 */ -

313 QDataStream::QDataStream(const QByteArray &a) -

314 { -

315 QBuffer *buf = new QBuffer; -

316 #ifndef QT_NO_QOBJECT -

317 buf->blockSignals(true); -

318 #endif -

319 buf->setData(a); -

320 buf->open(QIODevice::ReadOnly); -

321 dev = buf; -

322 owndev = true; -

323 byteorder = BigEndian; -

324 ver = Qt_DefaultCompiledVersion; -

325 noswap = QSysInfo::ByteOrder == QSysInfo::BigEndian; -

326 q_status = Ok; -

327

}

executed 138 times by 13 tests: end of block

Executed by:

tst_QAsn1Element
tst_QAuthenticator
tst_QDataStream
tst_QDockWidget
tst_QGuiVariant
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QSizePolicy
tst_QTranslator
tst_QUrl
tst_QVariant
tst_QVersionNumber
tst_QWidget

138

328 -

329 /*! -

330 Destroys the data stream. -

331 -

332 The destructor will not affect the current I/O device, unless it is -

333 an internal I/O device (e.g. a QBuffer) processing a QByteArray -

334 passed in the \e constructor, in which case the internal I/O device -

335 is destroyed. -

336 */ -

337 -

338 QDataStream::~QDataStream() -

339 { -

340

if (owndev)

owndev

Description

TRUE

evaluated 6171 times by 47 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAsn1Element
tst_QAuthenticator
tst_QBrush
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QImage
tst_QKeySequence
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMargins
tst_QMetaObjectBuilder
tst_QMetaType
tst_QObject
tst_QPen
tst_QPixmap
...

FALSE

evaluated 7171 times by 27 tests

Evaluated by:

tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QBitArray
tst_QBuffer
tst_QDataStream
tst_QDateTime
tst_QFile
tst_QFont
tst_QGuiVariant
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QLocalSocket
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPainterPath
tst_QPdfWriter
tst_QPicture
tst_QPixmap
tst_QPoint
tst_QPointF
tst_QPrinter
tst_QSettings
...

6171-7171

341

delete dev;

executed 6171 times by 47 tests: delete dev;

Executed by:

tst_QAbstractItemModel
tst_QAsn1Element
tst_QAuthenticator
tst_QBrush
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QImage
tst_QKeySequence
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMargins
tst_QMetaObjectBuilder
tst_QMetaType
tst_QObject
tst_QPen
tst_QPixmap
...

6171

342

}

executed 13342 times by 64 tests: end of block

Executed by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAsn1Element
tst_QAuthenticator
tst_QBitArray
tst_QBrush
tst_QBuffer
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFile
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QKeySequence
...

13342

343 -

344 -

345 /*! -

346 \fn QIODevice *QDataStream::device() const -

347 -

348 Returns the I/O device currently set, or 0 if no -

349 device is currently set. -

350 -

351 \sa setDevice() -

352 */ -

353 -

354 /*! -

355 void QDataStream::setDevice(QIODevice *d) -

356 -

357 Sets the I/O device to \a d, which can be 0 -

358 to unset to current I/O device. -

359 -

360 \sa device() -

361 */ -

362 -

363 void QDataStream::setDevice(QIODevice *d) -

364 { -

365

if (owndev) {

owndev	Description
TRUE	never evaluated
FALSE	evaluated 332 times by 4 tests Evaluated by: tst_QDataStream tst_QFont tst_QPicture tst_QPrinter

0-332

366 delete dev; -

367 owndev = false; -

368

}

never executed: end of block

369 dev = d; -

370

}

executed 332 times by 4 tests: end of block

Executed by:

tst_QDataStream
tst_QFont
tst_QPicture
tst_QPrinter

332

371 -

372 /*! -

373 \obsolete -

374 Unsets the I/O device. -

375 Use setDevice(0) instead. -

376 */ -

377 -

378 void QDataStream::unsetDevice() -

379 { -

380 setDevice(0); -

381

}

executed 20 times by 1 test: end of block

Executed by:

tst_QPrinter

382 -

383 -

384 /*! -

385 \fn bool QDataStream::atEnd() const -

386 -

387 Returns \c true if the I/O device has reached the end position (end of -

388 the stream or file) or if there is no I/O device set; otherwise -

389 returns \c false. -

390 -

391 \sa QIODevice::atEnd() -

392 */ -

393 -

394 bool QDataStream::atEnd() const -

395 { -

396

return dev ? dev->atEnd() : true;

executed 1525 times by 23 tests: return dev ? dev->atEnd() : true;

Executed by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QDataStream
tst_QDockWidget
tst_QFile
tst_QFileDialog2
tst_QFiledialog
tst_QGuiVariant
tst_QIcon
tst_QKeySequence
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPicture
tst_QPrinter
tst_QSettings
tst_QSplitter
tst_QStandardItemModel
tst_QTranslator
tst_QTreeWidget
tst_QVariant

dev

Description

TRUE

evaluated 1525 times by 23 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QDataStream
tst_QDockWidget
tst_QFile
tst_QFileDialog2
tst_QFiledialog
tst_QGuiVariant
tst_QIcon
tst_QKeySequence
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPicture
tst_QPrinter
tst_QSettings
tst_QSplitter
tst_QStandardItemModel
tst_QTranslator
tst_QTreeWidget
tst_QVariant

FALSE

never evaluated

0-1525

397 } -

398 -

399 /*! -

400 Returns the floating point precision of the data stream. -

401 -

402 \since 4.6 -

403 -

404 \sa FloatingPointPrecision, setFloatingPointPrecision() -

405 */ -

406 QDataStream::FloatingPointPrecision QDataStream::floatingPointPrecision() const -

407 { -

408

return d == 0 ? QDataStream::DoublePrecision : d->floatingPointPrecision;

executed 38359 times by 14 tests: return d == 0 ? QDataStream::DoublePrecision : d->floatingPointPrecision;

Executed by:

tst_QBrush
tst_QDataStream
tst_QFont
tst_QGuiVariant
tst_QMargins
tst_QMetaType
tst_QPainterPath
tst_QPen
tst_QPicture
tst_QPointF
tst_QPrinter
tst_QStandardItem
tst_QStyleSheetStyle
tst_QVariant

d == 0	Description
TRUE	evaluated 38295 times by 14 tests Evaluated by: tst_QBrush tst_QDataStream tst_QFont tst_QGuiVariant tst_QMargins tst_QMetaType tst_QPainterPath tst_QPen tst_QPicture tst_QPointF tst_QPrinter tst_QStandardItem tst_QStyleSheetStyle tst_QVariant
FALSE	evaluated 64 times by 1 test Evaluated by: tst_QDataStream

64-38359

409 } -

410 -

411 /*! -

412 Sets the floating point precision of the data stream to \a precision. If the floating point precision is -

413 DoublePrecision and the version of the data stream is Qt_4_6 or higher, all floating point -

414 numbers will be written and read with 64-bit precision. If the floating point precision is -

415 SinglePrecision and the version is Qt_4_6 or higher, all floating point numbers will be written -

416 and read with 32-bit precision. -

417 -

418 For versions prior to Qt_4_6, the precision of floating point numbers in the data stream depends -

419 on the stream operator called. -

420 -

421 The default is DoublePrecision. -

422 -

423 \warning This property must be set to the same value on the object that writes and the object -

424 that reads the data stream. -

425 -

426 \since 4.6 -

427 */ -

428 void QDataStream::setFloatingPointPrecision(QDataStream::FloatingPointPrecision precision) -

429 { -

430

if (d == 0)

d == 0	Description
TRUE	evaluated 58 times by 1 test Evaluated by: tst_QDataStream
FALSE	never evaluated

0-58

431

d.reset(new QDataStreamPrivate());

executed 58 times by 1 test: d.reset(new QDataStreamPrivate());

Executed by:

tst_QDataStream

432 d->floatingPointPrecision = precision; -

433

}

executed 58 times by 1 test: end of block

Executed by:

tst_QDataStream

434 -

435 /*! -

436 Returns the status of the data stream. -

437 -

438 \sa Status, setStatus(), resetStatus() -

439 */ -

440 -

441 QDataStream::Status QDataStream::status() const -

442 { -

443

return q_status;

executed 354545 times by 26 tests: return q_status;

Executed by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QBitArray
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QHeaderView
tst_QHostAddress
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPixmap
tst_QSettings
tst_QTimeZone
tst_QVariant
...

354545

444 } -

445 -

446 /*! -

447 Resets the status of the data stream. -

448 -

449 \sa Status, status(), setStatus() -

450 */ -

451 void QDataStream::resetStatus() -

452 { -

453 q_status = Ok; -

454

}

executed 709 times by 14 tests: end of block

Executed by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QDataStream
tst_QFileDialog2
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QHeaderView
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QSettings
tst_QVariant
tst_languageChange

709

455 -

456 /*! -

457 Sets the status of the data stream to the \a status given. -

458 -

459 Subsequent calls to setStatus() are ignored until resetStatus() -

460 is called. -

461 -

462 \sa Status, status(), resetStatus() -

463 */ -

464 void QDataStream::setStatus(Status status) -

465 { -

466

if (q_status == Ok)

q_status == Ok	Description
TRUE	evaluated 344 times by 10 tests Evaluated by: tst_QAsn1Element tst_QDataStream tst_QHeaderView tst_QImage tst_QImageReader tst_QMainWindow tst_QMetaType tst_QNetworkDiskCache tst_QPixmap tst_QVariant
FALSE	evaluated 135 times by 7 tests Evaluated by: tst_QDataStream tst_QHeaderView tst_QImage tst_QImageReader tst_QMainWindow tst_QMetaType tst_QNetworkDiskCache

135-344

467

q_status = status;

executed 344 times by 10 tests: q_status = status;

Executed by:

tst_QAsn1Element
tst_QDataStream
tst_QHeaderView
tst_QImage
tst_QImageReader
tst_QMainWindow
tst_QMetaType
tst_QNetworkDiskCache
tst_QPixmap
tst_QVariant

344

468

}

executed 479 times by 10 tests: end of block

Executed by:

tst_QAsn1Element
tst_QDataStream
tst_QHeaderView
tst_QImage
tst_QImageReader
tst_QMainWindow
tst_QMetaType
tst_QNetworkDiskCache
tst_QPixmap
tst_QVariant

479

469 -

470 /*! -

471 \fn int QDataStream::byteOrder() const -

472 -

473 Returns the current byte order setting -- either BigEndian or -

474 LittleEndian. -

475 -

476 \sa setByteOrder() -

477 */ -

478 -

479 /*! -

480 Sets the serialization byte order to \a bo. -

481 -

482 The \a bo parameter can be QDataStream::BigEndian or -

483 QDataStream::LittleEndian. -

484 -

485 The default setting is big endian. We recommend leaving this -

486 setting unless you have special requirements. -

487 -

488 \sa byteOrder() -

489 */ -

490 -

491 void QDataStream::setByteOrder(ByteOrder bo) -

492 { -

493 byteorder = bo; -

494

if (QSysInfo::ByteOrder == QSysInfo::BigEndian)

QSysInfo::Byte...nfo::BigEndian	Description
TRUE	never evaluated
FALSE	evaluated 950 times by 9 tests Evaluated by: tst_QAuthenticator tst_QDataStream tst_QGuiVariant tst_QImage tst_QImageReader tst_QImageWriter tst_QPixmap tst_QPrinter tst_QUuid

0-950

495

noswap = (byteorder == BigEndian);

never executed: noswap = (byteorder == BigEndian);

496 else -

497

noswap = (byteorder == LittleEndian);

executed 950 times by 9 tests: noswap = (byteorder == LittleEndian);

Executed by:

tst_QAuthenticator
tst_QDataStream
tst_QGuiVariant
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QPixmap
tst_QPrinter
tst_QUuid

950

498 } -

499 -

500 -

501 /*! -

502 \enum QDataStream::Version -

503 -

504 This enum provides symbolic synonyms for the data serialization -

505 format version numbers. -

506 -

507 \value Qt_1_0 Version 1 (Qt 1.x) -

508 \value Qt_2_0 Version 2 (Qt 2.0) -

509 \value Qt_2_1 Version 3 (Qt 2.1, 2.2, 2.3) -

510 \value Qt_3_0 Version 4 (Qt 3.0) -

511 \value Qt_3_1 Version 5 (Qt 3.1, 3.2) -

512 \value Qt_3_3 Version 6 (Qt 3.3) -

513 \value Qt_4_0 Version 7 (Qt 4.0, Qt 4.1) -

514 \value Qt_4_1 Version 7 (Qt 4.0, Qt 4.1) -

515 \value Qt_4_2 Version 8 (Qt 4.2) -

516 \value Qt_4_3 Version 9 (Qt 4.3) -

517 \value Qt_4_4 Version 10 (Qt 4.4) -

518 \value Qt_4_5 Version 11 (Qt 4.5) -

519 \value Qt_4_6 Version 12 (Qt 4.6, Qt 4.7, Qt 4.8) -

520 \value Qt_4_7 Same as Qt_4_6. -

521 \value Qt_4_8 Same as Qt_4_6. -

522 \value Qt_4_9 Same as Qt_4_6. -

523 \value Qt_5_0 Version 13 (Qt 5.0) -

524 \value Qt_5_1 Version 14 (Qt 5.1) -

525 \value Qt_5_2 Version 15 (Qt 5.2) -

526 \value Qt_5_3 Same as Qt_5_2 -

527 \value Qt_5_4 Version 16 (Qt 5.4) -

528 \value Qt_5_5 Same as Qt_5_4 -

529 \value Qt_5_6 Version 17 (Qt 5.6) -

530 \omitvalue Qt_DefaultCompiledVersion -

531 -

532 \sa setVersion(), version() -

533 */ -

534 -

535 /*! -

536 \fn int QDataStream::version() const -

537 -

538 Returns the version number of the data serialization format. -

539 -

540 \sa setVersion(), Version -

541 */ -

542 -

543 /*! -

544 \fn void QDataStream::setVersion(int v) -

545 -

546 Sets the version number of the data serialization format to \a v, -

547 a value of the \l Version enum. -

548 -

549 You don't \e have to set a version if you are using the current -

550 version of Qt, but for your own custom binary formats we -

551 recommend that you do; see \l{Versioning} in the Detailed -

552 Description. -

553 -

554 To accommodate new functionality, the datastream serialization -

555 format of some Qt classes has changed in some versions of Qt. If -

556 you want to read data that was created by an earlier version of -

557 Qt, or write data that can be read by a program that was compiled -

558 with an earlier version of Qt, use this function to modify the -

559 serialization format used by QDataStream. -

560 -

561 The \l Version enum provides symbolic constants for the different -

562 versions of Qt. For example: -

563 -

564 \snippet code/src_corelib_io_qdatastream.cpp 5 -

565 -

566 \sa version(), Version -

567 */ -

568 -

569 /***************************************************************************** -

570 QDataStream read functions -

571 *****************************************************************************/ -

572 -

573 /*! -

574 \fn QDataStream &QDataStream::operator>>(quint8 &i) -

575 \overload -

576 -

577 Reads an unsigned byte from the stream into \a i, and returns a -

578 reference to the stream. -

579 */ -

580 -

581 /*! -

582 Reads a signed byte from the stream into \a i, and returns a -

583 reference to the stream. -

584 */ -

585 -

586 QDataStream &QDataStream::operator>>(qint8 &i) -

587 { -

588 i = 0; -

589

CHECK_STREAM_PRECOND(*this)

never executed: return *this;

!dev

Description

TRUE

never evaluated

FALSE

evaluated 131187 times by 38 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAsn1Element
tst_QBrush
tst_QBuffer
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFile
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPen
...

0-131187

590 char c; -

591

if (!dev->getChar(&c))

!dev->getChar(&c)

Description

TRUE

evaluated 30 times by 4 tests

Evaluated by:

tst_QAsn1Element
tst_QDataStream
tst_QHeaderView
tst_QMetaType

FALSE

evaluated 131157 times by 38 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAsn1Element
tst_QBrush
tst_QBuffer
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFile
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPen
...

30-131157

592

setStatus(ReadPastEnd);

Executed by:

tst_QAsn1Element
tst_QDataStream
tst_QHeaderView
tst_QMetaType

593 else -

594

i = qint8(c);

executed 131157 times by 38 tests: i = qint8(c);

Executed by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAsn1Element
tst_QBrush
tst_QBuffer
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFile
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPen
...

131157

595

return *this;

executed 131187 times by 38 tests: return *this;

Executed by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAsn1Element
tst_QBrush
tst_QBuffer
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFile
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPen
...

131187

596 } -

597 -

598 -

599 /*! -

600 \fn QDataStream &QDataStream::operator>>(quint16 &i) -

601 \overload -

602 -

603 Reads an unsigned 16-bit integer from the stream into \a i, and -

604 returns a reference to the stream. -

605 */ -

606 -

607 /*! -

608 \overload -

609 -

610 Reads a signed 16-bit integer from the stream into \a i, and -

611 returns a reference to the stream. -

612 */ -

613 -

614 QDataStream &QDataStream::operator>>(qint16 &i) -

615 { -

616 i = 0; -

617

CHECK_STREAM_PRECOND(*this)

never executed: return *this;

!dev	Description
TRUE	never evaluated
FALSE	evaluated 10378 times by 18 tests Evaluated by: tst_QAuthenticator tst_QBrush tst_QDataStream tst_QDockWidget tst_QFont tst_QGuiVariant tst_QImage tst_QImageReader tst_QImageWriter tst_QMetaType tst_QPen tst_QPicture tst_QPixmap tst_QPrinter tst_QSettings tst_QStandardItem tst_QVariant tst_QWidget

0-10378

618

if (dev->read((char *)&i, 2) != 2) {

dev->read((char *)&i, 2) != 2	Description
TRUE	evaluated 60 times by 4 tests Evaluated by: tst_QDataStream tst_QImage tst_QImageReader tst_QMetaType
FALSE	evaluated 10318 times by 18 tests Evaluated by: tst_QAuthenticator tst_QBrush tst_QDataStream tst_QDockWidget tst_QFont tst_QGuiVariant tst_QImage tst_QImageReader tst_QImageWriter tst_QMetaType tst_QPen tst_QPicture tst_QPixmap tst_QPrinter tst_QSettings tst_QStandardItem tst_QVariant tst_QWidget

60-10318

619 i = 0; -

620 setStatus(ReadPastEnd); -

621

} else {

executed 60 times by 4 tests: end of block

Executed by:

tst_QDataStream
tst_QImage
tst_QImageReader
tst_QMetaType

622

if (!noswap) {

!noswap	Description
TRUE	evaluated 8800 times by 14 tests Evaluated by: tst_QBrush tst_QDataStream tst_QDockWidget tst_QFont tst_QGuiVariant tst_QImage tst_QMetaType tst_QPen tst_QPicture tst_QPrinter tst_QSettings tst_QStandardItem tst_QVariant tst_QWidget
FALSE	evaluated 1518 times by 6 tests Evaluated by: tst_QAuthenticator tst_QDataStream tst_QImage tst_QImageReader tst_QImageWriter tst_QPixmap

1518-8800

623 i = qbswap(i); -

624

}

executed 8800 times by 14 tests: end of block

Executed by:

tst_QBrush
tst_QDataStream
tst_QDockWidget
tst_QFont
tst_QGuiVariant
tst_QImage
tst_QMetaType
tst_QPen
tst_QPicture
tst_QPrinter
tst_QSettings
tst_QStandardItem
tst_QVariant
tst_QWidget

8800

625

}

executed 10318 times by 18 tests: end of block

Executed by:

tst_QAuthenticator
tst_QBrush
tst_QDataStream
tst_QDockWidget
tst_QFont
tst_QGuiVariant
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QMetaType
tst_QPen
tst_QPicture
tst_QPixmap
tst_QPrinter
tst_QSettings
tst_QStandardItem
tst_QVariant
tst_QWidget

10318

626

return *this;

executed 10378 times by 18 tests: return *this;

Executed by:

tst_QAuthenticator
tst_QBrush
tst_QDataStream
tst_QDockWidget
tst_QFont
tst_QGuiVariant
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QMetaType
tst_QPen
tst_QPicture
tst_QPixmap
tst_QPrinter
tst_QSettings
tst_QStandardItem
tst_QVariant
tst_QWidget

10378

627 } -

628 -

629 -

630 /*! -

631 \fn QDataStream &QDataStream::operator>>(quint32 &i) -

632 \overload -

633 -

634 Reads an unsigned 32-bit integer from the stream into \a i, and -

635 returns a reference to the stream. -

636 */ -

637 -

638 /*! -

639 \overload -

640 -

641 Reads a signed 32-bit integer from the stream into \a i, and -

642 returns a reference to the stream. -

643 */ -

644 -

645 QDataStream &QDataStream::operator>>(qint32 &i) -

646 { -

647 i = 0; -

648

CHECK_STREAM_PRECOND(*this)

never executed: return *this;

!dev

Description

TRUE

never evaluated

FALSE

evaluated 120753 times by 56 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAuthenticator
tst_QBitArray
tst_QBrush
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QKeySequence
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMargins
...

0-120753

649

if (dev->read((char *)&i, 4) != 4) {

dev->read((char *)&i, 4) != 4

Description

TRUE

evaluated 199 times by 8 tests

Evaluated by:

tst_QDataStream
tst_QHeaderView
tst_QImage
tst_QImageReader
tst_QMainWindow
tst_QMetaType
tst_QNetworkDiskCache
tst_QPixmap

FALSE

evaluated 120554 times by 56 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAuthenticator
tst_QBitArray
tst_QBrush
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QKeySequence
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMargins
...

199-120554

650 i = 0; -

651 setStatus(ReadPastEnd); -

652

} else {

executed 199 times by 8 tests: end of block

Executed by:

tst_QDataStream
tst_QHeaderView
tst_QImage
tst_QImageReader
tst_QMainWindow
tst_QMetaType
tst_QNetworkDiskCache
tst_QPixmap

199

653

if (!noswap) {

!noswap

Description

TRUE

evaluated 116818 times by 53 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QBitArray
tst_QBrush
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QKeySequence
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMargins
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
...

FALSE

evaluated 3736 times by 6 tests

Evaluated by:

tst_QAuthenticator
tst_QDataStream
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QPixmap

3736-116818

654 i = qbswap(i); -

655

}

executed 116818 times by 53 tests: end of block

Executed by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QBitArray
tst_QBrush
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QKeySequence
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMargins
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
...

116818

656

}

executed 120554 times by 56 tests: end of block

Executed by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAuthenticator
tst_QBitArray
tst_QBrush
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QKeySequence
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMargins
...

120554

657

return *this;

executed 120753 times by 56 tests: return *this;

Executed by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAuthenticator
tst_QBitArray
tst_QBrush
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QKeySequence
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMargins
...

120753

658 } -

659 -

660 /*! -

661 \fn QDataStream &QDataStream::operator>>(quint64 &i) -

662 \overload -

663 -

664 Reads an unsigned 64-bit integer from the stream, into \a i, and -

665 returns a reference to the stream. -

666 */ -

667 -

668 /*! -

669 \overload -

670 -

671 Reads a signed 64-bit integer from the stream into \a i, and -

672 returns a reference to the stream. -

673 */ -

674 -

675 QDataStream &QDataStream::operator>>(qint64 &i) -

676 { -

677 i = qint64(0); -

678

CHECK_STREAM_PRECOND(*this)

never executed: return *this;

!dev	Description
TRUE	never evaluated
FALSE	evaluated 34762 times by 12 tests Evaluated by: tst_QAbstractNetworkCache tst_QDataStream tst_QDate tst_QDateTime tst_QLocalSocket tst_QMetaType tst_QNetworkCacheMetaData tst_QNetworkDiskCache tst_QNetworkReply tst_QSettings tst_QTimeZone tst_QVariant

0-34762

679

if (version() < 6) {

version() < 6	Description
TRUE	never evaluated
FALSE	evaluated 34762 times by 12 tests Evaluated by: tst_QAbstractNetworkCache tst_QDataStream tst_QDate tst_QDateTime tst_QLocalSocket tst_QMetaType tst_QNetworkCacheMetaData tst_QNetworkDiskCache tst_QNetworkReply tst_QSettings tst_QTimeZone tst_QVariant

0-34762

680 quint32 i1, i2; -

681 *this >> i2 >> i1; -

682 i = ((quint64)i1 << 32) + i2; -

683

} else {

never executed: end of block

684

if (dev->read((char *)&i, 8) != 8) {

dev->read((char *)&i, 8) != 8	Description
TRUE	evaluated 50 times by 2 tests Evaluated by: tst_QDataStream tst_QMetaType
FALSE	evaluated 34712 times by 12 tests Evaluated by: tst_QAbstractNetworkCache tst_QDataStream tst_QDate tst_QDateTime tst_QLocalSocket tst_QMetaType tst_QNetworkCacheMetaData tst_QNetworkDiskCache tst_QNetworkReply tst_QSettings tst_QTimeZone tst_QVariant

50-34712

685 i = qint64(0); -

686 setStatus(ReadPastEnd); -

687

} else {

executed 50 times by 2 tests: end of block

Executed by:

tst_QDataStream
tst_QMetaType

688

if (!noswap) {

!noswap	Description
TRUE	evaluated 34700 times by 12 tests Evaluated by: tst_QAbstractNetworkCache tst_QDataStream tst_QDate tst_QDateTime tst_QLocalSocket tst_QMetaType tst_QNetworkCacheMetaData tst_QNetworkDiskCache tst_QNetworkReply tst_QSettings tst_QTimeZone tst_QVariant
FALSE	evaluated 12 times by 1 test Evaluated by: tst_QDataStream

12-34700

689 i = qbswap(i); -

690

}

executed 34700 times by 12 tests: end of block

Executed by:

tst_QAbstractNetworkCache
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QLocalSocket
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QSettings
tst_QTimeZone
tst_QVariant

34700

691

}

executed 34712 times by 12 tests: end of block

Executed by:

tst_QAbstractNetworkCache
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QLocalSocket
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QSettings
tst_QTimeZone
tst_QVariant

34712

692 } -

693

return *this;

executed 34762 times by 12 tests: return *this;

Executed by:

tst_QAbstractNetworkCache
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QLocalSocket
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QSettings
tst_QTimeZone
tst_QVariant

34762

694 } -

695 -

696 /*! -

697 Reads a boolean value from the stream into \a i. Returns a -

698 reference to the stream. -

699 */ -

700 QDataStream &QDataStream::operator>>(bool &i) -

701 { -

702 qint8 v; -

703 *this >> v; -

704 i = !!v; -

705

return *this;

executed 17617 times by 18 tests: return *this;

Executed by:

tst_QAbstractNetworkCache
tst_QDataStream
tst_QDateTime
tst_QFileDialog2
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPen
tst_QPrinter
tst_QSplitter
tst_QTimeZone
tst_languageChange

17617

706 } -

707 -

708 /*! -

709 \overload -

710 -

711 Reads a floating point number from the stream into \a f, -

712 using the standard IEEE 754 format. Returns a reference to the -

713 stream. -

714 -

715 \sa setFloatingPointPrecision() -

716 */ -

717 -

718 QDataStream &QDataStream::operator>>(float &f) -

719 { -

720

if (version() >= QDataStream::Qt_4_6

version() >= Q...Stream::Qt_4_6	Description
TRUE	evaluated 38 times by 3 tests Evaluated by: tst_QDataStream tst_QMetaType tst_QVariant
FALSE	never evaluated

0-38

721

&& floatingPointPrecision() == QDataStream::DoublePrecision) {

floatingPointP...oublePrecision	Description
TRUE	evaluated 12 times by 3 tests Evaluated by: tst_QDataStream tst_QMetaType tst_QVariant
FALSE	evaluated 26 times by 1 test Evaluated by: tst_QDataStream

12-26

722 double d; -

723 *this >> d; -

724 f = d; -

725

return *this;

executed 12 times by 3 tests: return *this;

Executed by:

tst_QDataStream
tst_QMetaType
tst_QVariant

726 } -

727 -

728 f = 0.0f; -

729

CHECK_STREAM_PRECOND(*this)

never executed: return *this;

!dev	Description
TRUE	never evaluated
FALSE	evaluated 26 times by 1 test Evaluated by: tst_QDataStream

0-26

730

if (dev->read((char *)&f, 4) != 4) {

dev->read((char *)&f, 4) != 4	Description
TRUE	evaluated 10 times by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 16 times by 1 test Evaluated by: tst_QDataStream

10-16

731 f = 0.0f; -

732 setStatus(ReadPastEnd); -

733

} else {

executed 10 times by 1 test: end of block

Executed by:

tst_QDataStream

734

if (!noswap) {

!noswap	Description
TRUE	evaluated 10 times by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 6 times by 1 test Evaluated by: tst_QDataStream

6-10

735 union { -

736 float val1; -

737 quint32 val2; -

738 } x; -

739 x.val2 = qbswap(*reinterpret_cast<quint32 *>(&f)); -

740 f = x.val1; -

741

}

executed 10 times by 1 test: end of block

Executed by:

tst_QDataStream

742

}

executed 16 times by 1 test: end of block

Executed by:

tst_QDataStream

743

return *this;

executed 26 times by 1 test: return *this;

Executed by:

tst_QDataStream

744 } -

745 -

746 /*! -

747 \overload -

748 -

749 Reads a floating point number from the stream into \a f, -

750 using the standard IEEE 754 format. Returns a reference to the -

751 stream. -

752 -

753 \sa setFloatingPointPrecision() -

754 */ -

755 -

756 QDataStream &QDataStream::operator>>(double &f) -

757 { -

758

if (version() >= QDataStream::Qt_4_6

version() >= Q...Stream::Qt_4_6	Description
TRUE	evaluated 9326 times by 13 tests Evaluated by: tst_QBrush tst_QDataStream tst_QFont tst_QGuiVariant tst_QMargins tst_QMetaType tst_QPainterPath tst_QPen tst_QPicture tst_QPointF tst_QPrinter tst_QStandardItem tst_QVariant
FALSE	evaluated 3248 times by 2 tests Evaluated by: tst_QDataStream tst_QFont

3248-9326

759

&& floatingPointPrecision() == QDataStream::SinglePrecision) {

floatingPointP...inglePrecision	Description
TRUE	evaluated 1 time by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 9325 times by 13 tests Evaluated by: tst_QBrush tst_QDataStream tst_QFont tst_QGuiVariant tst_QMargins tst_QMetaType tst_QPainterPath tst_QPen tst_QPicture tst_QPointF tst_QPrinter tst_QStandardItem tst_QVariant

1-9325

760 float d; -

761 *this >> d; -

762 f = d; -

763

return *this;

executed 1 time by 1 test: return *this;

Executed by:

tst_QDataStream

764 } -

765 -

766 f = 0.0; -

767

CHECK_STREAM_PRECOND(*this)

never executed: return *this;

!dev	Description
TRUE	never evaluated
FALSE	evaluated 12573 times by 13 tests Evaluated by: tst_QBrush tst_QDataStream tst_QFont tst_QGuiVariant tst_QMargins tst_QMetaType tst_QPainterPath tst_QPen tst_QPicture tst_QPointF tst_QPrinter tst_QStandardItem tst_QVariant

0-12573

768

if (dev->read((char *)&f, 8) != 8) {

dev->read((char *)&f, 8) != 8	Description
TRUE	evaluated 46 times by 2 tests Evaluated by: tst_QDataStream tst_QMetaType
FALSE	evaluated 12527 times by 13 tests Evaluated by: tst_QBrush tst_QDataStream tst_QFont tst_QGuiVariant tst_QMargins tst_QMetaType tst_QPainterPath tst_QPen tst_QPicture tst_QPointF tst_QPrinter tst_QStandardItem tst_QVariant

46-12527

769 f = 0.0; -

770 setStatus(ReadPastEnd); -

771

} else {

executed 46 times by 2 tests: end of block

Executed by:

tst_QDataStream
tst_QMetaType

772

if (!noswap) {

!noswap	Description
TRUE	evaluated 12520 times by 13 tests Evaluated by: tst_QBrush tst_QDataStream tst_QFont tst_QGuiVariant tst_QMargins tst_QMetaType tst_QPainterPath tst_QPen tst_QPicture tst_QPointF tst_QPrinter tst_QStandardItem tst_QVariant
FALSE	evaluated 7 times by 1 test Evaluated by: tst_QDataStream

7-12520

773 union { -

774 double val1; -

775 quint64 val2; -

776 } x; -

777 x.val2 = qbswap(*reinterpret_cast<quint64 *>(&f)); -

778 f = x.val1; -

779

}

executed 12520 times by 13 tests: end of block

Executed by:

tst_QBrush
tst_QDataStream
tst_QFont
tst_QGuiVariant
tst_QMargins
tst_QMetaType
tst_QPainterPath
tst_QPen
tst_QPicture
tst_QPointF
tst_QPrinter
tst_QStandardItem
tst_QVariant

12520

780

}

executed 12527 times by 13 tests: end of block

Executed by:

tst_QBrush
tst_QDataStream
tst_QFont
tst_QGuiVariant
tst_QMargins
tst_QMetaType
tst_QPainterPath
tst_QPen
tst_QPicture
tst_QPointF
tst_QPrinter
tst_QStandardItem
tst_QVariant

12527

781

return *this;

executed 12573 times by 13 tests: return *this;

Executed by:

tst_QBrush
tst_QDataStream
tst_QFont
tst_QGuiVariant
tst_QMargins
tst_QMetaType
tst_QPainterPath
tst_QPen
tst_QPicture
tst_QPointF
tst_QPrinter
tst_QStandardItem
tst_QVariant

12573

782 } -

783 -

784 -

785 /*! -

786 \overload -

787 -

788 Reads the '\\0'-terminated string \a s from the stream and returns -

789 a reference to the stream. -

790 -

791 The string is deserialized using \c{readBytes()}. -

792 -

793 Space for the string is allocated using \c{new []} -- the caller must -

794 destroy it with \c{delete []}. -

795 -

796 \sa readBytes(), readRawData() -

797 */ -

798 -

799 QDataStream &QDataStream::operator>>(char *&s) -

800 { -

801 uint len = 0; -

802

return readBytes(s, len);

executed 28 times by 1 test: return readBytes(s, len);

Executed by:

tst_QDataStream

803 } -

804 -

805 -

806 /*! -

807 Reads the buffer \a s from the stream and returns a reference to -

808 the stream. -

809 -

810 The buffer \a s is allocated using \c{new []}. Destroy it with the -

811 \c{delete []} operator. -

812 -

813 The \a l parameter is set to the length of the buffer. If the -

814 string read is empty, \a l is set to 0 and \a s is set to -

815 a null pointer. -

816 -

817 The serialization format is a quint32 length specifier first, -

818 then \a l bytes of data. -

819 -

820 \sa readRawData(), writeBytes() -

821 */ -

822 -

823 QDataStream &QDataStream::readBytes(char *&s, uint &l) -

824 { -

825 s = 0; -

826 l = 0; -

827

CHECK_STREAM_PRECOND(*this)

never executed: return *this;

!dev	Description
TRUE	never evaluated
FALSE	evaluated 56 times by 1 test Evaluated by: tst_QDataStream

0-56

828 -

829 quint32 len; -

830 *this >> len; -

831

if (len == 0)

len == 0	Description
TRUE	evaluated 10 times by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 46 times by 1 test Evaluated by: tst_QDataStream

10-46

832

return *this;

executed 10 times by 1 test: return *this;

Executed by:

tst_QDataStream

833 -

834 const quint32 Step = 1024 * 1024; -

835 quint32 allocated = 0; -

836 char *prevBuf = 0; -

837 char *curBuf = 0; -

838 -

839 do { -

840 int blockSize = qMin(Step, len - allocated); -

841 prevBuf = curBuf; -

842 curBuf = new char[allocated + blockSize + 1]; -

843

if (prevBuf) {

prevBuf	Description
TRUE	evaluated 28 times by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 46 times by 1 test Evaluated by: tst_QDataStream

28-46

844 memcpy(curBuf, prevBuf, allocated); -

845 delete [] prevBuf; -

846

}

executed 28 times by 1 test: end of block

Executed by:

tst_QDataStream

847

if (dev->read(curBuf + allocated, blockSize) != blockSize) {

dev->read(curB...) != blockSize	Description
TRUE	evaluated 24 times by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 50 times by 1 test Evaluated by: tst_QDataStream

24-50

848 delete [] curBuf; -

849 setStatus(ReadPastEnd); -

850

return *this;

executed 24 times by 1 test: return *this;

Executed by:

tst_QDataStream

851 } -

852 allocated += blockSize; -

853

} while (allocated < len);

executed 50 times by 1 test: end of block

Executed by:

tst_QDataStream

allocated < len	Description
TRUE	evaluated 28 times by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 22 times by 1 test Evaluated by: tst_QDataStream

22-50

854 -

855 s = curBuf; -

856 s[len] = '\0'; -

857 l = (uint)len; -

858

return *this;

executed 22 times by 1 test: return *this;

Executed by:

tst_QDataStream

859 } -

860 -

861 /*! -

862 Reads at most \a len bytes from the stream into \a s and returns the number of -

863 bytes read. If an error occurs, this function returns -1. -

864 -

865 The buffer \a s must be preallocated. The data is \e not encoded. -

866 -

867 \sa readBytes(), QIODevice::read(), writeRawData() -

868 */ -

869 -

870 int QDataStream::readRawData(char *s, int len) -

871 { -

872

CHECK_STREAM_PRECOND(-1)

never executed: return -1;

!dev

Description

TRUE

never evaluated

FALSE

evaluated 18453 times by 41 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAsn1Element
tst_QAuthenticator
tst_QBitArray
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFont
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QListWidget
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPicture
...

0-18453

873

return dev->read(s, len);

executed 18453 times by 41 tests: return dev->read(s, len);

Executed by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAsn1Element
tst_QAuthenticator
tst_QBitArray
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFont
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QListWidget
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPicture
...

18453

874 } -

875 -

876 -

877 /***************************************************************************** -

878 QDataStream write functions -

879 *****************************************************************************/ -

880 -

881 -

882 /*! -

883 \fn QDataStream &QDataStream::operator<<(quint8 i) -

884 \overload -

885 -

886 Writes an unsigned byte, \a i, to the stream and returns a -

887 reference to the stream. -

888 */ -

889 -

890 /*! -

891 Writes a signed byte, \a i, to the stream and returns a reference -

892 to the stream. -

893 */ -

894 -

895 QDataStream &QDataStream::operator<<(qint8 i) -

896 { -

897

CHECK_STREAM_WRITE_PRECOND(*this)

never executed: return *this;

executed 2 times by 1 test: return *this;

Executed by:

tst_QDataStream

!dev

Description

TRUE

never evaluated

FALSE

evaluated 27410 times by 31 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAsn1Element
tst_QAuthenticator
tst_QBrush
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFile
tst_QFont
tst_QGuiVariant
tst_QHostAddress
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPen
tst_QPicture
tst_QPrinter
tst_QSettings
tst_QStandardItem
tst_QStandardItemModel
...

q_status != Ok

Description

TRUE

evaluated 2 times by 1 test

Evaluated by:

tst_QDataStream

FALSE

evaluated 27408 times by 31 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAsn1Element
tst_QAuthenticator
tst_QBrush
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFile
tst_QFont
tst_QGuiVariant
tst_QHostAddress
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPen
tst_QPicture
tst_QPrinter
tst_QSettings
tst_QStandardItem
tst_QStandardItemModel
...

0-27410

898

if (!dev->putChar(i))

!dev->putChar(i)

Description

TRUE

evaluated 2 times by 1 test

Evaluated by:

tst_QDataStream

FALSE

evaluated 27406 times by 31 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAsn1Element
tst_QAuthenticator
tst_QBrush
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFile
tst_QFont
tst_QGuiVariant
tst_QHostAddress
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPen
tst_QPicture
tst_QPrinter
tst_QSettings
tst_QStandardItem
tst_QStandardItemModel
...

2-27406

899

q_status = WriteFailed;

executed 2 times by 1 test: q_status = WriteFailed;

Executed by:

tst_QDataStream

900

return *this;

executed 27408 times by 31 tests: return *this;

Executed by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAsn1Element
tst_QAuthenticator
tst_QBrush
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFile
tst_QFont
tst_QGuiVariant
tst_QHostAddress
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPen
tst_QPicture
tst_QPrinter
tst_QSettings
tst_QStandardItem
tst_QStandardItemModel
...

27408

901 } -

902 -

903 -

904 /*! -

905 \fn QDataStream &QDataStream::operator<<(quint16 i) -

906 \overload -

907 -

908 Writes an unsigned 16-bit integer, \a i, to the stream and returns -

909 a reference to the stream. -

910 */ -

911 -

912 /*! -

913 \overload -

914 -

915 Writes a signed 16-bit integer, \a i, to the stream and returns a -

916 reference to the stream. -

917 */ -

918 -

919 QDataStream &QDataStream::operator<<(qint16 i) -

920 { -

921

CHECK_STREAM_WRITE_PRECOND(*this)

never executed: return *this;

executed 2 times by 1 test: return *this;

Executed by:

tst_QDataStream

!dev	Description
TRUE	never evaluated
FALSE	evaluated 20192 times by 19 tests Evaluated by: tst_QAuthenticator tst_QBrush tst_QDataStream tst_QDockWidget tst_QFont tst_QGuiVariant tst_QImage tst_QImageReader tst_QImageWriter tst_QMetaType tst_QPen tst_QPicture tst_QPixmap tst_QPrinter tst_QSettings tst_QStandardItem tst_QStyleSheetStyle tst_QVariant tst_QWidget

q_status != Ok	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 20190 times by 19 tests Evaluated by: tst_QAuthenticator tst_QBrush tst_QDataStream tst_QDockWidget tst_QFont tst_QGuiVariant tst_QImage tst_QImageReader tst_QImageWriter tst_QMetaType tst_QPen tst_QPicture tst_QPixmap tst_QPrinter tst_QSettings tst_QStandardItem tst_QStyleSheetStyle tst_QVariant tst_QWidget

0-20192

922

if (!noswap) {

!noswap	Description
TRUE	evaluated 19900 times by 14 tests Evaluated by: tst_QBrush tst_QDataStream tst_QDockWidget tst_QFont tst_QGuiVariant tst_QMetaType tst_QPen tst_QPicture tst_QPrinter tst_QSettings tst_QStandardItem tst_QStyleSheetStyle tst_QVariant tst_QWidget
FALSE	evaluated 290 times by 5 tests Evaluated by: tst_QAuthenticator tst_QImage tst_QImageReader tst_QImageWriter tst_QPixmap

290-19900

923 i = qbswap(i); -

924

}

executed 19900 times by 14 tests: end of block

Executed by:

tst_QBrush
tst_QDataStream
tst_QDockWidget
tst_QFont
tst_QGuiVariant
tst_QMetaType
tst_QPen
tst_QPicture
tst_QPrinter
tst_QSettings
tst_QStandardItem
tst_QStyleSheetStyle
tst_QVariant
tst_QWidget

19900

925

if (dev->write((char *)&i, sizeof(qint16)) != sizeof(qint16))

dev->write((ch...sizeof(qint16)	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 20188 times by 19 tests Evaluated by: tst_QAuthenticator tst_QBrush tst_QDataStream tst_QDockWidget tst_QFont tst_QGuiVariant tst_QImage tst_QImageReader tst_QImageWriter tst_QMetaType tst_QPen tst_QPicture tst_QPixmap tst_QPrinter tst_QSettings tst_QStandardItem tst_QStyleSheetStyle tst_QVariant tst_QWidget

2-20188

926

q_status = WriteFailed;

executed 2 times by 1 test: q_status = WriteFailed;

Executed by:

tst_QDataStream

927

return *this;

executed 20190 times by 19 tests: return *this;

Executed by:

tst_QAuthenticator
tst_QBrush
tst_QDataStream
tst_QDockWidget
tst_QFont
tst_QGuiVariant
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QMetaType
tst_QPen
tst_QPicture
tst_QPixmap
tst_QPrinter
tst_QSettings
tst_QStandardItem
tst_QStyleSheetStyle
tst_QVariant
tst_QWidget

20190

928 } -

929 -

930 /*! -

931 \overload -

932 -

933 Writes a signed 32-bit integer, \a i, to the stream and returns a -

934 reference to the stream. -

935 */ -

936 -

937 QDataStream &QDataStream::operator<<(qint32 i) -

938 { -

939

CHECK_STREAM_WRITE_PRECOND(*this)

never executed: return *this;

executed 3 times by 1 test: return *this;

Executed by:

tst_QDataStream

!dev

Description

TRUE

never evaluated

FALSE

evaluated 74296 times by 56 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAuthenticator
tst_QBitArray
tst_QBrush
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QKeySequence
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMargins
...

q_status != Ok

Description

TRUE

evaluated 3 times by 1 test

Evaluated by:

tst_QDataStream

FALSE

evaluated 74293 times by 56 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAuthenticator
tst_QBitArray
tst_QBrush
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QKeySequence
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMargins
...

0-74296

940

if (!noswap) {

!noswap

Description

TRUE

evaluated 73794 times by 53 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QBitArray
tst_QBrush
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QKeySequence
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMargins
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
...

FALSE

evaluated 499 times by 5 tests

Evaluated by:

tst_QAuthenticator
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QPixmap

499-73794

941 i = qbswap(i); -

942

}

executed 73794 times by 53 tests: end of block

Executed by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QBitArray
tst_QBrush
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QKeySequence
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMargins
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
...

73794

943

if (dev->write((char *)&i, sizeof(qint32)) != sizeof(qint32))

dev->write((ch...sizeof(qint32)

Description

TRUE

evaluated 3 times by 1 test

Evaluated by:

tst_QDataStream

FALSE

evaluated 74290 times by 56 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAuthenticator
tst_QBitArray
tst_QBrush
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QKeySequence
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMargins
...

3-74290

944

q_status = WriteFailed;

executed 3 times by 1 test: q_status = WriteFailed;

Executed by:

tst_QDataStream

945

return *this;

executed 74293 times by 56 tests: return *this;

Executed by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAuthenticator
tst_QBitArray
tst_QBrush
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QKeySequence
tst_QListWidget
tst_QLocalSocket
tst_QMainWindow
tst_QMargins
...

74293

946 } -

947 -

948 /*! -

949 \fn QDataStream &QDataStream::operator<<(quint64 i) -

950 \overload -

951 -

952 Writes an unsigned 64-bit integer, \a i, to the stream and returns a -

953 reference to the stream. -

954 */ -

955 -

956 /*! -

957 \overload -

958 -

959 Writes a signed 64-bit integer, \a i, to the stream and returns a -

960 reference to the stream. -

961 */ -

962 -

963 QDataStream &QDataStream::operator<<(qint64 i) -

964 { -

965

CHECK_STREAM_WRITE_PRECOND(*this)

never executed: return *this;

executed 2 times by 1 test: return *this;

Executed by:

tst_QDataStream

!dev	Description
TRUE	never evaluated
FALSE	evaluated 5666 times by 12 tests Evaluated by: tst_QAbstractNetworkCache tst_QAuthenticator tst_QDataStream tst_QDate tst_QDateTime tst_QLocalSocket tst_QMetaType tst_QNetworkCacheMetaData tst_QNetworkDiskCache tst_QNetworkReply tst_QSettings tst_QVariant

q_status != Ok	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 5664 times by 12 tests Evaluated by: tst_QAbstractNetworkCache tst_QAuthenticator tst_QDataStream tst_QDate tst_QDateTime tst_QLocalSocket tst_QMetaType tst_QNetworkCacheMetaData tst_QNetworkDiskCache tst_QNetworkReply tst_QSettings tst_QVariant

0-5666

966

if (version() < 6) {

version() < 6	Description
TRUE	never evaluated
FALSE	evaluated 5664 times by 12 tests Evaluated by: tst_QAbstractNetworkCache tst_QAuthenticator tst_QDataStream tst_QDate tst_QDateTime tst_QLocalSocket tst_QMetaType tst_QNetworkCacheMetaData tst_QNetworkDiskCache tst_QNetworkReply tst_QSettings tst_QVariant

0-5664

967 quint32 i1 = i & 0xffffffff; -

968 quint32 i2 = i >> 32; -

969 *this << i2 << i1; -

970

} else {

never executed: end of block

971

if (!noswap) {

!noswap	Description
TRUE	evaluated 5660 times by 11 tests Evaluated by: tst_QAbstractNetworkCache tst_QDataStream tst_QDate tst_QDateTime tst_QLocalSocket tst_QMetaType tst_QNetworkCacheMetaData tst_QNetworkDiskCache tst_QNetworkReply tst_QSettings tst_QVariant
FALSE	evaluated 4 times by 1 test Evaluated by: tst_QAuthenticator

4-5660

972 i = qbswap(i); -

973

}

executed 5660 times by 11 tests: end of block

Executed by:

tst_QAbstractNetworkCache
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QLocalSocket
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QSettings
tst_QVariant

5660

974

if (dev->write((char *)&i, sizeof(qint64)) != sizeof(qint64))

dev->write((ch...sizeof(qint64)	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 5662 times by 12 tests Evaluated by: tst_QAbstractNetworkCache tst_QAuthenticator tst_QDataStream tst_QDate tst_QDateTime tst_QLocalSocket tst_QMetaType tst_QNetworkCacheMetaData tst_QNetworkDiskCache tst_QNetworkReply tst_QSettings tst_QVariant

2-5662

975

q_status = WriteFailed;

executed 2 times by 1 test: q_status = WriteFailed;

Executed by:

tst_QDataStream

976

}

executed 5664 times by 12 tests: end of block

Executed by:

tst_QAbstractNetworkCache
tst_QAuthenticator
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QLocalSocket
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QSettings
tst_QVariant

5664

977

return *this;

executed 5664 times by 12 tests: return *this;

Executed by:

tst_QAbstractNetworkCache
tst_QAuthenticator
tst_QDataStream
tst_QDate
tst_QDateTime
tst_QLocalSocket
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QSettings
tst_QVariant

5664

978 } -

979 -

980 /*! -

981 \fn QDataStream &QDataStream::operator<<(quint32 i) -

982 \overload -

983 -

984 Writes an unsigned integer, \a i, to the stream as a 32-bit -

985 unsigned integer (quint32). Returns a reference to the stream. -

986 */ -

987 -

988 /*! -

989 Writes a boolean value, \a i, to the stream. Returns a reference -

990 to the stream. -

991 */ -

992 -

993 QDataStream &QDataStream::operator<<(bool i) -

994 { -

995

CHECK_STREAM_WRITE_PRECOND(*this)

never executed: return *this;

executed 1 time by 1 test: return *this;

Executed by:

tst_QDataStream

!dev	Description
TRUE	never evaluated
FALSE	evaluated 2132 times by 17 tests Evaluated by: tst_QAbstractNetworkCache tst_QDataStream tst_QFileDialog2 tst_QFiledialog tst_QGraphicsProxyWidget tst_QGuiVariant tst_QHeaderView tst_QMetaObjectBuilder tst_QMetaType tst_QNetworkCacheMetaData tst_QNetworkDiskCache tst_QNetworkReply tst_QPen tst_QPicture tst_QPrinter tst_QSplitter tst_languageChange

q_status != Ok	Description
TRUE	evaluated 1 time by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 2131 times by 17 tests Evaluated by: tst_QAbstractNetworkCache tst_QDataStream tst_QFileDialog2 tst_QFiledialog tst_QGraphicsProxyWidget tst_QGuiVariant tst_QHeaderView tst_QMetaObjectBuilder tst_QMetaType tst_QNetworkCacheMetaData tst_QNetworkDiskCache tst_QNetworkReply tst_QPen tst_QPicture tst_QPrinter tst_QSplitter tst_languageChange

0-2132

996

if (!dev->putChar(qint8(i)))

!dev->putChar(qint8(i))	Description
TRUE	evaluated 1 time by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 2130 times by 17 tests Evaluated by: tst_QAbstractNetworkCache tst_QDataStream tst_QFileDialog2 tst_QFiledialog tst_QGraphicsProxyWidget tst_QGuiVariant tst_QHeaderView tst_QMetaObjectBuilder tst_QMetaType tst_QNetworkCacheMetaData tst_QNetworkDiskCache tst_QNetworkReply tst_QPen tst_QPicture tst_QPrinter tst_QSplitter tst_languageChange

1-2130

997

q_status = WriteFailed;

executed 1 time by 1 test: q_status = WriteFailed;

Executed by:

tst_QDataStream

998

return *this;

executed 2131 times by 17 tests: return *this;

Executed by:

tst_QAbstractNetworkCache
tst_QDataStream
tst_QFileDialog2
tst_QFiledialog
tst_QGraphicsProxyWidget
tst_QGuiVariant
tst_QHeaderView
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPen
tst_QPicture
tst_QPrinter
tst_QSplitter
tst_languageChange

2131

999 } -

1000 -

1001 /*! -

1002 \overload -

1003 -

1004 Writes a floating point number, \a f, to the stream using -

1005 the standard IEEE 754 format. Returns a reference to the stream. -

1006 -

1007 \sa setFloatingPointPrecision() -

1008 */ -

1009 -

1010 QDataStream &QDataStream::operator<<(float f) -

1011 { -

1012

if (version() >= QDataStream::Qt_4_6

version() >= Q...Stream::Qt_4_6	Description
TRUE	evaluated 14 times by 3 tests Evaluated by: tst_QDataStream tst_QMetaType tst_QVariant
FALSE	never evaluated

0-14

1013

&& floatingPointPrecision() == QDataStream::DoublePrecision) {

floatingPointP...oublePrecision	Description
TRUE	evaluated 10 times by 3 tests Evaluated by: tst_QDataStream tst_QMetaType tst_QVariant
FALSE	evaluated 4 times by 1 test Evaluated by: tst_QDataStream

4-10

1014 *this << double(f); -

1015

return *this;

executed 10 times by 3 tests: return *this;

Executed by:

tst_QDataStream
tst_QMetaType
tst_QVariant

1016 } -

1017 -

1018

CHECK_STREAM_WRITE_PRECOND(*this)

never executed: return *this;

!dev	Description
TRUE	never evaluated
FALSE	evaluated 4 times by 1 test Evaluated by: tst_QDataStream

q_status != Ok	Description
TRUE	never evaluated
FALSE	evaluated 4 times by 1 test Evaluated by: tst_QDataStream

0-4

1019 float g = f; // fixes float-on-stack problem -

1020

if (!noswap) {

!noswap	Description
TRUE	evaluated 4 times by 1 test Evaluated by: tst_QDataStream
FALSE	never evaluated

0-4

1021 union { -

1022 float val1; -

1023 quint32 val2; -

1024 } x; -

1025 x.val1 = g; -

1026 x.val2 = qbswap(x.val2); -

1027 -

1028

if (dev->write((char *)&x.val2, sizeof(float)) != sizeof(float))

dev->write((ch... sizeof(float)	Description
TRUE	never evaluated
FALSE	evaluated 4 times by 1 test Evaluated by: tst_QDataStream

0-4

1029

q_status = WriteFailed;

never executed: q_status = WriteFailed;

1030

return *this;

executed 4 times by 1 test: return *this;

Executed by:

tst_QDataStream

1031 } -

1032 -

1033

if (dev->write((char *)&g, sizeof(float)) != sizeof(float))

dev->write((ch... sizeof(float)	Description
TRUE	never evaluated
FALSE	never evaluated

1034

q_status = WriteFailed;

never executed: q_status = WriteFailed;

1035

return *this;

never executed: return *this;

1036 } -

1037 -

1038 -

1039 /*! -

1040 \overload -

1041 -

1042 Writes a floating point number, \a f, to the stream using -

1043 the standard IEEE 754 format. Returns a reference to the stream. -

1044 -

1045 \sa setFloatingPointPrecision() -

1046 */ -

1047 -

1048 QDataStream &QDataStream::operator<<(double f) -

1049 { -

1050

if (version() >= QDataStream::Qt_4_6

version() >= Q...Stream::Qt_4_6	Description
TRUE	evaluated 28980 times by 14 tests Evaluated by: tst_QBrush tst_QDataStream tst_QFont tst_QGuiVariant tst_QMargins tst_QMetaType tst_QPainterPath tst_QPen tst_QPicture tst_QPointF tst_QPrinter tst_QStandardItem tst_QStyleSheetStyle tst_QVariant
FALSE	evaluated 3187 times by 2 tests Evaluated by: tst_QDataStream tst_QFont

3187-28980

1051

&& floatingPointPrecision() == QDataStream::SinglePrecision) {

floatingPointP...inglePrecision	Description
TRUE	evaluated 1 time by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 28979 times by 14 tests Evaluated by: tst_QBrush tst_QDataStream tst_QFont tst_QGuiVariant tst_QMargins tst_QMetaType tst_QPainterPath tst_QPen tst_QPicture tst_QPointF tst_QPrinter tst_QStandardItem tst_QStyleSheetStyle tst_QVariant

1-28979

1052 *this << float(f); -

1053

return *this;

executed 1 time by 1 test: return *this;

Executed by:

tst_QDataStream

1054 } -

1055 -

1056

CHECK_STREAM_WRITE_PRECOND(*this)

never executed: return *this;

executed 2 times by 1 test: return *this;

Executed by:

tst_QDataStream

!dev	Description
TRUE	never evaluated
FALSE	evaluated 32166 times by 14 tests Evaluated by: tst_QBrush tst_QDataStream tst_QFont tst_QGuiVariant tst_QMargins tst_QMetaType tst_QPainterPath tst_QPen tst_QPicture tst_QPointF tst_QPrinter tst_QStandardItem tst_QStyleSheetStyle tst_QVariant

q_status != Ok	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 32164 times by 14 tests Evaluated by: tst_QBrush tst_QDataStream tst_QFont tst_QGuiVariant tst_QMargins tst_QMetaType tst_QPainterPath tst_QPen tst_QPicture tst_QPointF tst_QPrinter tst_QStandardItem tst_QStyleSheetStyle tst_QVariant

0-32166

1057

if (noswap) {

noswap	Description
TRUE	never evaluated
FALSE	evaluated 32164 times by 14 tests Evaluated by: tst_QBrush tst_QDataStream tst_QFont tst_QGuiVariant tst_QMargins tst_QMetaType tst_QPainterPath tst_QPen tst_QPicture tst_QPointF tst_QPrinter tst_QStandardItem tst_QStyleSheetStyle tst_QVariant

0-32164

1058

if (dev->write((char *)&f, sizeof(double)) != sizeof(double))

dev->write((ch...sizeof(double)	Description
TRUE	never evaluated
FALSE	never evaluated

1059

q_status = WriteFailed;

never executed: q_status = WriteFailed;

1060

} else {

never executed: end of block

1061 union { -

1062 double val1; -

1063 quint64 val2; -

1064 } x; -

1065 x.val1 = f; -

1066 x.val2 = qbswap(x.val2); -

1067

if (dev->write((char *)&x.val2, sizeof(double)) != sizeof(double))

dev->write((ch...sizeof(double)	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 32162 times by 14 tests Evaluated by: tst_QBrush tst_QDataStream tst_QFont tst_QGuiVariant tst_QMargins tst_QMetaType tst_QPainterPath tst_QPen tst_QPicture tst_QPointF tst_QPrinter tst_QStandardItem tst_QStyleSheetStyle tst_QVariant

2-32162

1068

q_status = WriteFailed;

executed 2 times by 1 test: q_status = WriteFailed;

Executed by:

tst_QDataStream

1069

}

executed 32164 times by 14 tests: end of block

Executed by:

tst_QBrush
tst_QDataStream
tst_QFont
tst_QGuiVariant
tst_QMargins
tst_QMetaType
tst_QPainterPath
tst_QPen
tst_QPicture
tst_QPointF
tst_QPrinter
tst_QStandardItem
tst_QStyleSheetStyle
tst_QVariant

32164

1070

return *this;

executed 32164 times by 14 tests: return *this;

Executed by:

tst_QBrush
tst_QDataStream
tst_QFont
tst_QGuiVariant
tst_QMargins
tst_QMetaType
tst_QPainterPath
tst_QPen
tst_QPicture
tst_QPointF
tst_QPrinter
tst_QStandardItem
tst_QStyleSheetStyle
tst_QVariant

32164

1071 } -

1072 -

1073 -

1074 /*! -

1075 \overload -

1076 -

1077 Writes the '\\0'-terminated string \a s to the stream and returns a -

1078 reference to the stream. -

1079 -

1080 The string is serialized using \c{writeBytes()}. -

1081 -

1082 \sa writeBytes(), writeRawData() -

1083 */ -

1084 -

1085 QDataStream &QDataStream::operator<<(const char *s) -

1086 { -

1087

if (!s) {

!s	Description
TRUE	never evaluated
FALSE	evaluated 4 times by 2 tests Evaluated by: tst_QDataStream tst_QVariant

0-4

1088 *this << (quint32)0; -

1089

return *this;

never executed: return *this;

1090 } -

1091 uint len = qstrlen(s) + 1; // also write null terminator -

1092 *this << (quint32)len; // write length specifier -

1093 writeRawData(s, len); -

1094

return *this;

executed 4 times by 2 tests: return *this;

Executed by:

tst_QDataStream
tst_QVariant

1095 } -

1096 -

1097 -

1098 /*! -

1099 Writes the length specifier \a len and the buffer \a s to the -

1100 stream and returns a reference to the stream. -

1101 -

1102 The \a len is serialized as a quint32, followed by \a len bytes -

1103 from \a s. Note that the data is \e not encoded. -

1104 -

1105 \sa writeRawData(), readBytes() -

1106 */ -

1107 -

1108 QDataStream &QDataStream::writeBytes(const char *s, uint len) -

1109 { -

1110

CHECK_STREAM_WRITE_PRECOND(*this)

never executed: return *this;

!dev

Description

TRUE

never evaluated

FALSE

evaluated 15693 times by 31 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFont
tst_QGuiVariant
tst_QHostAddress
tst_QIcon
tst_QListWidget
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPicture
tst_QPrinter
tst_QRegularExpression_AlwaysOptimize
tst_QRegularExpression_DefaultOptimize
tst_QRegularExpression_ForceOptimize
tst_QSettings
tst_QStandardItem
tst_QStandardItemModel
...

q_status != Ok

Description

TRUE

never evaluated

FALSE

evaluated 15693 times by 31 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFont
tst_QGuiVariant
tst_QHostAddress
tst_QIcon
tst_QListWidget
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPicture
tst_QPrinter
tst_QRegularExpression_AlwaysOptimize
tst_QRegularExpression_DefaultOptimize
tst_QRegularExpression_ForceOptimize
tst_QSettings
tst_QStandardItem
tst_QStandardItemModel
...

0-15693

1111 *this << (quint32)len; // write length specifier -

1112

if (len)

len

Description

TRUE

evaluated 15469 times by 31 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFont
tst_QGuiVariant
tst_QHostAddress
tst_QIcon
tst_QListWidget
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPicture
tst_QPrinter
tst_QRegularExpression_AlwaysOptimize
tst_QRegularExpression_DefaultOptimize
tst_QRegularExpression_ForceOptimize
tst_QSettings
tst_QStandardItem
tst_QStandardItemModel
...

FALSE

evaluated 224 times by 7 tests

Evaluated by:

tst_QDataStream
tst_QMetaObjectBuilder
tst_QRegularExpression_AlwaysOptimize
tst_QRegularExpression_DefaultOptimize
tst_QRegularExpression_ForceOptimize
tst_QSettings
tst_QVariant

224-15469

1113

writeRawData(s, len);

executed 15469 times by 31 tests: writeRawData(s, len);

Executed by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFont
tst_QGuiVariant
tst_QHostAddress
tst_QIcon
tst_QListWidget
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPicture
tst_QPrinter
tst_QRegularExpression_AlwaysOptimize
tst_QRegularExpression_DefaultOptimize
tst_QRegularExpression_ForceOptimize
tst_QSettings
tst_QStandardItem
tst_QStandardItemModel
...

15469

1114

return *this;

executed 15693 times by 31 tests: return *this;

Executed by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFont
tst_QGuiVariant
tst_QHostAddress
tst_QIcon
tst_QListWidget
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPicture
tst_QPrinter
tst_QRegularExpression_AlwaysOptimize
tst_QRegularExpression_DefaultOptimize
tst_QRegularExpression_ForceOptimize
tst_QSettings
tst_QStandardItem
tst_QStandardItemModel
...

15693

1115 } -

1116 -

1117 -

1118 /*! -

1119 Writes \a len bytes from \a s to the stream. Returns the -

1120 number of bytes actually written, or -1 on error. -

1121 The data is \e not encoded. -

1122 -

1123 \sa writeBytes(), QIODevice::write(), readRawData() -

1124 */ -

1125 -

1126 int QDataStream::writeRawData(const char *s, int len) -

1127 { -

1128

CHECK_STREAM_WRITE_PRECOND(-1)

never executed: return -1;

executed 3 times by 1 test: return -1;

Executed by:

tst_QDataStream

!dev

Description

TRUE

never evaluated

FALSE

evaluated 16953 times by 40 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAsn1Element
tst_QAuthenticator
tst_QBitArray
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFont
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QListWidget
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPicture
...

q_status != Ok

Description

TRUE

evaluated 3 times by 1 test

Evaluated by:

tst_QDataStream

FALSE

evaluated 16950 times by 40 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAsn1Element
tst_QAuthenticator
tst_QBitArray
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFont
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QListWidget
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPicture
...

0-16953

1129 int ret = dev->write(s, len); -

1130

if (ret != len)

ret != len

Description

TRUE

evaluated 1 time by 1 test

Evaluated by:

tst_QDataStream

FALSE

evaluated 16949 times by 40 tests

Evaluated by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAsn1Element
tst_QAuthenticator
tst_QBitArray
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFont
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QListWidget
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPicture
...

1-16949

1131

q_status = WriteFailed;

executed 1 time by 1 test: q_status = WriteFailed;

Executed by:

tst_QDataStream

1132

return ret;

executed 16950 times by 40 tests: return ret;

Executed by:

tst_QAbstractItemModel
tst_QAbstractNetworkCache
tst_QAsn1Element
tst_QAuthenticator
tst_QBitArray
tst_QDataStream
tst_QDateTime
tst_QDockWidget
tst_QFileDialog2
tst_QFont
tst_QGuiVariant
tst_QHeaderView
tst_QHostAddress
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QListWidget
tst_QMainWindow
tst_QMetaObjectBuilder
tst_QMetaType
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPicture
...

16950

1133 } -

1134 -

1135 /*! -

1136 \since 4.1 -

1137 -

1138 Skips \a len bytes from the device. Returns the number of bytes -

1139 actually skipped, or -1 on error. -

1140 -

1141 This is equivalent to calling readRawData() on a buffer of length -

1142 \a len and ignoring the buffer. -

1143 -

1144 \sa QIODevice::seek() -

1145 */ -

1146 int QDataStream::skipRawData(int len) -

1147 { -

1148

CHECK_STREAM_PRECOND(-1)

never executed: return -1;

!dev	Description
TRUE	never evaluated
FALSE	evaluated 24 times by 2 tests Evaluated by: tst_QAuthenticator tst_QDataStream

0-24

1149 -

1150

if (dev->isSequential()) {

dev->isSequential()	Description
TRUE	evaluated 3 times by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 21 times by 2 tests Evaluated by: tst_QAuthenticator tst_QDataStream

3-21

1151 char buf[4096]; -

1152 int sumRead = 0; -

1153 -

1154

while (len > 0) {

len > 0	Description
TRUE	evaluated 9 times by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 3 times by 1 test Evaluated by: tst_QDataStream

3-9

1155 int blockSize = qMin(len, (int)sizeof(buf)); -

1156 int n = dev->read(buf, blockSize); -

1157

if (n == -1)

n == -1	Description
TRUE	never evaluated
FALSE	evaluated 9 times by 1 test Evaluated by: tst_QDataStream

0-9

1158

return -1;

never executed: return -1;

1159

if (n == 0)

n == 0	Description
TRUE	never evaluated
FALSE	evaluated 9 times by 1 test Evaluated by: tst_QDataStream

0-9

1160

return sumRead;

never executed: return sumRead;

1161 -

1162 sumRead += n; -

1163 len -= blockSize; -

1164

}

executed 9 times by 1 test: end of block

Executed by:

tst_QDataStream

1165

return sumRead;

Executed by:

tst_QDataStream

1166 } else { -

1167 qint64 pos = dev->pos(); -

1168 qint64 size = dev->size(); -

1169

if (pos + len > size)

pos + len > size	Description
TRUE	evaluated 1 time by 1 test Evaluated by: tst_QDataStream
FALSE	evaluated 20 times by 2 tests Evaluated by: tst_QAuthenticator tst_QDataStream

1-20

1170

len = size - pos;

executed 1 time by 1 test: len = size - pos;

Executed by:

tst_QDataStream

1171

if (!dev->seek(pos + len))

!dev->seek(pos + len)	Description
TRUE	never evaluated
FALSE	evaluated 21 times by 2 tests Evaluated by: tst_QAuthenticator tst_QDataStream

0-21

1172

return -1;

never executed: return -1;

1173

return len;

executed 21 times by 2 tests: return len;

Executed by:

tst_QAuthenticator
tst_QDataStream

1174 } -

1175 } -

1176 -

1177 QT_END_NAMESPACE -

1178 -

1179 #endif // QT_NO_DATASTREAM -

Source code

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