qringbuffer.cpp

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

2 ** -

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

6 ** -

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

8 ** -

9 ** $QT_BEGIN_LICENSE:LGPL$ -

10 ** Commercial License Usage -

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

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

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

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

15 ** and conditions see https://www.qt.io/terms-conditions. For further -

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

17 ** -

18 ** GNU Lesser General Public License Usage -

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

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

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

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

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

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

25 ** -

26 ** GNU General Public License Usage -

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

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

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

30 ** Qt Foundation. The licenses are as published by the Free Software -

31 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -

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

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

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

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

36 ** -

37 ** $QT_END_LICENSE$ -

38 ** -

39 ****************************************************************************/ -

40 -

41 #include "private/qringbuffer_p.h" -

42 #include "private/qbytearray_p.h" -

43 #include <string.h> -

44 -

45 QT_BEGIN_NAMESPACE -

46 -

47 /*! -

48 \internal -

49 -

50 Access the bytes at a specified position the out-variable length will -

51 contain the amount of bytes readable from there, e.g. the amount still -

52 the same QByteArray -

53 */ -

54 const char *QRingBuffer::readPointerAtPosition(qint64 pos, qint64 &length) const -

55 { -

56 if (pos >= 0) { -

57 pos += head; -

58 for (int i = 0; i < buffers.size(); ++i) { -

59 length = (i == tailBuffer ? tail : buffers[i].size()); -

60 if (length > pos) { -

61 length -= pos; -

62 return buffers[i].constData() + pos; -

63 } -

64 pos -= length; -

65 } -

66 } -

67 -

68 length = 0; -

69 return 0; -

70 } -

71 -

72 void QRingBuffer::free(qint64 bytes) -

73 { -

74 Q_ASSERT(bytes <= bufferSize); -

75 -

while (bytes > 0) {

bytes > 0

Description

TRUE

evaluated 43978893 times by 157 tests

Evaluated by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QBuffer
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDataStream
tst_QDateTime
tst_QDateTimeEdit
tst_QDebug
tst_QDialog
...

FALSE

evaluated 35028 times by 42 tests

Evaluated by:

tst_LargeFile
tst_QAbstractFileEngine
tst_QAbstractNetworkCache
tst_QBitArray
tst_QBuffer
tst_QDataStream
tst_QDate
tst_QFile
tst_QFileInfo
tst_QFtp
tst_QIODevice
tst_QIcoImageFormat
tst_QIcon
tst_QImageReader
tst_QImageWriter
tst_QKeyEvent
tst_QLocalSocket
tst_QMetaType
tst_QMimeDatabase
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPixmap
tst_QPoint
tst_QPointF
...

35028-43978893

77 const qint64 blockSize = buffers.firstconstFirst().size() - head; -

78 -

if (tailBuffer == 0 || blockSize > bytes) {

tailBuffer == 0

Description

TRUE

evaluated 43975027 times by 157 tests

Evaluated by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QBuffer
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDataStream
tst_QDateTime
tst_QDateTimeEdit
tst_QDebug
tst_QDialog
...

FALSE

evaluated 3866 times by 12 tests

Evaluated by:

tst_QFtp
tst_QImageReader
tst_QLocalSocket
tst_QNetworkReply
tst_QProcess
tst_QRingBuffer
tst_QSharedPointer
tst_QTcpSocket
tst_Selftests
tst_Spdy
tst_qdbuscpp2xml
tst_rcc

blockSize > bytes	Description
TRUE	evaluated 855 times by 3 tests Evaluated by: tst_QImageReader tst_QNetworkReply tst_QRingBuffer
FALSE	evaluated 3011 times by 12 tests Evaluated by: tst_QFtp tst_QImageReader tst_QLocalSocket tst_QNetworkReply tst_QProcess tst_QRingBuffer tst_QSharedPointer tst_QTcpSocket tst_Selftests tst_Spdy tst_qdbuscpp2xml tst_rcc

855-43975027

80 // keep a single block around if it does not exceed -

81 // the basic block size, to avoid repeated allocations -

82 // between uses of the buffer -

if (bufferSize <= bytes) {

bufferSize <= bytes

Description

TRUE

evaluated 126580 times by 156 tests

Evaluated by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QBuffer
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDataStream
tst_QDateTime
tst_QDateTimeEdit
tst_QDebug
tst_QDialog
...

FALSE

evaluated 43849302 times by 111 tests

Evaluated by:

tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDataStream
tst_QDateTime
tst_QDateTimeEdit
tst_QDebug
tst_QDialog
tst_QDoubleSpinBox
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
...

126580-43849302

if (buffers.firstconstFirst().size() <= basicBlockSize) {

buffers.constF...basicBlockSize

Description

TRUE

evaluated 121102 times by 156 tests

Evaluated by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QBuffer
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDataStream
tst_QDateTime
tst_QDateTimeEdit
tst_QDebug
tst_QDialog
...

FALSE

evaluated 5478 times by 14 tests

Evaluated by:

tst_QFtp
tst_QHttpNetworkConnection
tst_QHttpSocketEngine
tst_QIODevice
tst_QImageReader
tst_QLocalSocket
tst_QNetworkReply
tst_QProcess
tst_QSharedPointer
tst_QSocks5SocketEngine
tst_QSslSocket
tst_QTcpSocket
tst_Selftests
tst_Spdy

5478-121102

85 bufferSize = 0; -

86 head = tail = 0; -

} else {

executed 121102 times by 156 tests: end of block

Executed by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QBuffer
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDataStream
tst_QDateTime
tst_QDateTimeEdit
tst_QDebug
tst_QDialog
...

121102

88 clear(); // try to minify/squeeze us -

}

executed 5478 times by 14 tests: end of block

Executed by:

tst_QFtp
tst_QHttpNetworkConnection
tst_QHttpSocketEngine
tst_QIODevice
tst_QImageReader
tst_QLocalSocket
tst_QNetworkReply
tst_QProcess
tst_QSharedPointer
tst_QSocks5SocketEngine
tst_QSslSocket
tst_QTcpSocket
tst_Selftests
tst_Spdy

5478

90 } else { -

91 Q_ASSERT(bytes < MaxByteArraySize); -

92 head += int(bytes); -

93 bufferSize -= bytes; -

}

executed 43849302 times by 111 tests: end of block

Executed by:

tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDataStream
tst_QDateTime
tst_QDateTimeEdit
tst_QDebug
tst_QDialog
tst_QDoubleSpinBox
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
...

43849302

return;

executed 43975882 times by 157 tests: return;

Executed by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QBuffer
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDataStream
tst_QDateTime
tst_QDateTimeEdit
tst_QDebug
tst_QDialog
...

43975882

96 } -

97 -

98 bufferSize -= blockSize; -

99 bytes -= blockSize; -

100 buffers.removeFirst(); -

101 --tailBuffer; -

102 head = 0; -

103

}

executed 3011 times by 12 tests: end of block

Executed by:

tst_QFtp
tst_QImageReader
tst_QLocalSocket
tst_QNetworkReply
tst_QProcess
tst_QRingBuffer
tst_QSharedPointer
tst_QTcpSocket
tst_Selftests
tst_Spdy
tst_qdbuscpp2xml
tst_rcc

3011

104

}

executed 35028 times by 42 tests: end of block

Executed by:

tst_LargeFile
tst_QAbstractFileEngine
tst_QAbstractNetworkCache
tst_QBitArray
tst_QBuffer
tst_QDataStream
tst_QDate
tst_QFile
tst_QFileInfo
tst_QFtp
tst_QIODevice
tst_QIcoImageFormat
tst_QIcon
tst_QImageReader
tst_QImageWriter
tst_QKeyEvent
tst_QLocalSocket
tst_QMetaType
tst_QMimeDatabase
tst_QNetworkCacheMetaData
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QPixmap
tst_QPoint
tst_QPointF
...

35028

105 -

106 char *QRingBuffer::reserve(qint64 bytes) -

107 { -

108

if (bytes <= 0 || bytes >= MaxByteArraySize)

bytes <= 0

Description

TRUE

evaluated 27 times by 8 tests

Evaluated by:

tst_QFile
tst_QHttpSocketEngine
tst_QNetworkReply
tst_QSharedPointer
tst_QTextStream
tst_qdbusxml2cpp
tst_qmakelib
tst_qnetworkreply - unknown status

FALSE

evaluated 397944 times by 165 tests

Evaluated by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
...

bytes >= MaxByteArraySize

Description

TRUE

never evaluated

FALSE

evaluated 397944 times by 165 tests

Evaluated by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
...

0-397944

109

return 0;

executed 27 times by 8 tests: return 0;

Executed by:

tst_QFile
tst_QHttpSocketEngine
tst_QNetworkReply
tst_QSharedPointer
tst_QTextStream
tst_qdbusxml2cpp
tst_qmakelib
tst_qnetworkreply - unknown status

110 -

111

if (buffers.isEmpty()) {

buffers.isEmpty()

Description

TRUE

evaluated 48462 times by 165 tests

Evaluated by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
...

FALSE

evaluated 349482 times by 133 tests

Evaluated by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
...

48462-349482

112 buffers.append(QByteArray()); -

113 buffers.first().resize(qMax(basicBlockSize, int(bytes))); -

114

} else {

executed 48462 times by 165 tests: end of block

Executed by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
...

48462

115 const qint64 newSize = bytes + tail; -

116 // if need buffer reallocation -

117

if (newSize > buffers.lastconstLast().size()) {

newSize > buff...tLast().size()

Description

TRUE

evaluated 58432 times by 96 tests

Evaluated by:

tst_LargeFile
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
tst_QFontComboBox
tst_QFontDialog
tst_QFrame
...

FALSE

evaluated 291050 times by 78 tests

Evaluated by:

tst_Lancelot
tst_NetworkSelfTest
tst_QAbstractNetworkCache
tst_QChar
tst_QColorDialog
tst_QCryptographicHash
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
tst_QFile
tst_QFileDialog2
tst_QFileInfo
tst_QFiledialog
tst_QFont
tst_QFtp
tst_QGraphicsProxyWidget
tst_QGraphicsScene
tst_QHttpNetworkConnection
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
...

58432-291050

118

if (newSize > buffers.lastconstLast().capacity() && (tail >= basicBlockSize

newSize > buff...t().capacity()

Description

TRUE

evaluated 45290 times by 96 tests

Evaluated by:

tst_LargeFile
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
tst_QFontComboBox
tst_QFontDialog
tst_QFrame
...

FALSE

evaluated 13142 times by 10 tests

Evaluated by:

tst_QFtp
tst_QNetworkReply
tst_QProcess
tst_QRingBuffer
tst_QSharedPointer
tst_QSslSocket
tst_QTcpServer
tst_QTcpSocket
tst_Selftests
tst_qmake

tail >= basicBlockSize

Description

TRUE

evaluated 1476 times by 13 tests

Evaluated by:

tst_QFtp
tst_QImageReader
tst_QLocalSocket
tst_QNetworkReply
tst_QProcess
tst_QRingBuffer
tst_QSharedPointer
tst_QSslSocket
tst_QTcpSocket
tst_Selftests
tst_qdbuscpp2xml
tst_qmake
tst_rcc

FALSE

evaluated 43814 times by 94 tests

Evaluated by:

tst_LargeFile
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
tst_QFontComboBox
tst_QFontDialog
tst_QFrame
...

1476-45290

119

|| newSize >= MaxByteArraySize)) {

newSize >= MaxByteArraySize

Description

TRUE

never evaluated

FALSE

evaluated 43814 times by 94 tests

Evaluated by:

tst_LargeFile
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
tst_QFontComboBox
tst_QFontDialog
tst_QFrame
...

0-43814

120 // shrink this buffer to its current size -

121 buffers.last().resize(tail); -

122 -

123 // create a new QByteArray -

124 buffers.append(QByteArray()); -

125 ++tailBuffer; -

126 tail = 0; -

127

}

executed 1476 times by 13 tests: end of block

Executed by:

tst_QFtp
tst_QImageReader
tst_QLocalSocket
tst_QNetworkReply
tst_QProcess
tst_QRingBuffer
tst_QSharedPointer
tst_QSslSocket
tst_QTcpSocket
tst_Selftests
tst_qdbuscpp2xml
tst_qmake
tst_rcc

1476

128 buffers.last().resize(qMax(basicBlockSize, tail + int(bytes))); -

129

}

executed 58432 times by 96 tests: end of block

Executed by:

tst_LargeFile
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
tst_QFontComboBox
tst_QFontDialog
tst_QFrame
...

58432

130

}

executed 349482 times by 133 tests: end of block

Executed by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
...

349482

131 -

132 char *writePtr = buffers.last().data() + tail; -

133 bufferSize += bytes; -

134 Q_ASSERT(bytes < MaxByteArraySize); -

135 tail += int(bytes); -

136

return writePtr;

executed 397944 times by 165 tests: return writePtr;

Executed by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
...

397944

137 } -

138 -

139 /*! -

140 \internal -

141 -

142 Allocate data at buffer head -

143 */ -

144 char *QRingBuffer::reserveFront(qint64 bytes) -

145 { -

146

if (bytes <= 0 || bytes >= MaxByteArraySize)

bytes <= 0	Description
TRUE	never evaluated
FALSE	evaluated 33198 times by 7 tests Evaluated by: tst_QBuffer tst_QFile tst_QIODevice tst_QImageReader tst_QImageWriter tst_QProcess tst_QRingBuffer

bytes >= MaxByteArraySize	Description
TRUE	never evaluated
FALSE	evaluated 33198 times by 7 tests Evaluated by: tst_QBuffer tst_QFile tst_QIODevice tst_QImageReader tst_QImageWriter tst_QProcess tst_QRingBuffer

0-33198

147

return 0;

never executed: return 0;

148 -

149

if (head < bytes) {

head < bytes	Description
TRUE	evaluated 32952 times by 7 tests Evaluated by: tst_QBuffer tst_QFile tst_QIODevice tst_QImageReader tst_QImageWriter tst_QProcess tst_QRingBuffer
FALSE	evaluated 246 times by 1 test Evaluated by: tst_QRingBuffer

246-32952

150

if (buffers.isEmpty()) {

buffers.isEmpty()	Description
TRUE	evaluated 7 times by 4 tests Evaluated by: tst_QBuffer tst_QIODevice tst_QImageReader tst_QRingBuffer
FALSE	evaluated 32945 times by 7 tests Evaluated by: tst_QBuffer tst_QFile tst_QIODevice tst_QImageReader tst_QImageWriter tst_QProcess tst_QRingBuffer

7-32945

151 buffers.append(QByteArray()); -

152

} else

executed 7 times by 4 tests: end of block

Executed by:

tst_QBuffer
tst_QIODevice
tst_QImageReader
tst_QRingBuffer

{

executed 7 times by 4 tests: end of block

Executed by:

tst_QBuffer
tst_QIODevice
tst_QImageReader
tst_QRingBuffer

153 buffers.first().remove(0, head); -

154

if (tailBuffer == 0)

tailBuffer == 0	Description
TRUE	evaluated 32938 times by 7 tests Evaluated by: tst_QBuffer tst_QFile tst_QIODevice tst_QImageReader tst_QImageWriter tst_QProcess tst_QRingBuffer
FALSE	evaluated 7 times by 1 test Evaluated by: tst_QRingBuffer

7-32938

155

tail -= head;

executed 32938 times by 7 tests: tail -= head;

Executed by:

tst_QBuffer
tst_QFile
tst_QIODevice
tst_QImageReader
tst_QImageWriter
tst_QProcess
tst_QRingBuffer

32938

156

}

executed 32945 times by 7 tests: end of block

Executed by:

tst_QBuffer
tst_QFile
tst_QIODevice
tst_QImageReader
tst_QImageWriter
tst_QProcess
tst_QRingBuffer

32945

157 -

158 head = qMax(basicBlockSize, int(bytes)); -

159

if (bufferSize == 0) {

bufferSize == 0	Description
TRUE	evaluated 32943 times by 7 tests Evaluated by: tst_QBuffer tst_QFile tst_QIODevice tst_QImageReader tst_QImageWriter tst_QProcess tst_QRingBuffer
FALSE	evaluated 9 times by 1 test Evaluated by: tst_QRingBuffer

9-32943

160 tail = head; -

161

} else {

executed 32943 times by 7 tests: end of block

Executed by:

tst_QBuffer
tst_QFile
tst_QIODevice
tst_QImageReader
tst_QImageWriter
tst_QProcess
tst_QRingBuffer

32943

162 buffers.prepend(QByteArray()); -

163 ++tailBuffer; -

164

}

executed 9 times by 1 test: end of block

Executed by:

tst_QRingBuffer

165 buffers.first().resize(head); -

166

}

executed 32952 times by 7 tests: end of block

Executed by:

tst_QBuffer
tst_QFile
tst_QIODevice
tst_QImageReader
tst_QImageWriter
tst_QProcess
tst_QRingBuffer

32952

167 -

168 head -= int(bytes); -

169 bufferSize += bytes; -

170

return buffers.first().data() + head;

executed 33198 times by 7 tests: return buffers.first().data() + head;

Executed by:

tst_QBuffer
tst_QFile
tst_QIODevice
tst_QImageReader
tst_QImageWriter
tst_QProcess
tst_QRingBuffer

33198

171 } -

172 -

173 void QRingBuffer::chop(qint64 bytes) -

174 { -

175 Q_ASSERT(bytes <= bufferSize); -

176 -

177

while (bytes > 0) {

bytes > 0

Description

TRUE

evaluated 151026 times by 155 tests

Evaluated by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
...

FALSE

evaluated 76732 times by 63 tests

Evaluated by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractNetworkCache
tst_QChar
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
tst_QEventLoop
tst_QFile
tst_QFileInfo
tst_QFont
tst_QFtp
tst_QGuiEventLoop
tst_QHttpNetworkConnection
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcoImageFormat
tst_QIcon
tst_QImage
tst_QImageReader
...

76732-151026

178

if (tailBuffer == 0 || tail > bytes) {

tailBuffer == 0

Description

TRUE

evaluated 150895 times by 155 tests

Evaluated by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
...

FALSE

evaluated 131 times by 11 tests

Evaluated by:

tst_QFtp
tst_QImageReader
tst_QNetworkReply
tst_QProcess
tst_QSharedPointer
tst_QSslSocket
tst_QTcpSocket
tst_Selftests
tst_qdbuscpp2xml
tst_qmake
tst_rcc

tail > bytes	Description
TRUE	evaluated 96 times by 8 tests Evaluated by: tst_QFtp tst_QNetworkReply tst_QProcess tst_QSharedPointer tst_Selftests tst_qdbuscpp2xml tst_qmake tst_rcc
FALSE	evaluated 35 times by 7 tests Evaluated by: tst_QFtp tst_QImageReader tst_QNetworkReply tst_QProcess tst_QSslSocket tst_QTcpSocket tst_Selftests

35-150895

179 // keep a single block around if it does not exceed -

180 // the basic block size, to avoid repeated allocations -

181 // between uses of the buffer -

182

if (bufferSize <= bytes) {

bufferSize <= bytes

Description

TRUE

evaluated 80811 times by 64 tests

Evaluated by:

tst_Lancelot
tst_NetworkSelfTest
tst_QAbstractNetworkCache
tst_QApplication
tst_QCryptographicHash
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
tst_QDir
tst_QFile
tst_QFont
tst_QFtp
tst_QGraphicsScene
tst_QHttpNetworkConnection
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QLabel
...

FALSE

evaluated 70180 times by 143 tests

Evaluated by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
tst_QDateTime
tst_QDateTimeEdit
tst_QDebug
...

70180-80811

183

if (buffers.firstconstFirst().size() <= basicBlockSize) {

buffers.constF...basicBlockSize

Description

TRUE

evaluated 80810 times by 63 tests

Evaluated by:

tst_Lancelot
tst_NetworkSelfTest
tst_QAbstractNetworkCache
tst_QApplication
tst_QCryptographicHash
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
tst_QDir
tst_QFile
tst_QFont
tst_QFtp
tst_QGraphicsScene
tst_QHttpNetworkConnection
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QLabel
...

FALSE

evaluated 1 time by 1 test

Evaluated by:

tst_QRingBuffer

1-80810

184 bufferSize = 0; -

185 head = tail = 0; -

186

} else {

executed 80810 times by 63 tests: end of block

Executed by:

tst_Lancelot
tst_NetworkSelfTest
tst_QAbstractNetworkCache
tst_QApplication
tst_QCryptographicHash
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
tst_QDir
tst_QFile
tst_QFont
tst_QFtp
tst_QGraphicsScene
tst_QHttpNetworkConnection
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QLabel
...

80810

187 clear(); // try to minify/squeeze us -

188

}

executed 1 time by 1 test: end of block

Executed by:

tst_QRingBuffer

189 } else { -

190 Q_ASSERT(bytes < MaxByteArraySize); -

191 tail -= int(bytes); -

192 bufferSize -= bytes; -

193

}

executed 70180 times by 143 tests: end of block

Executed by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
tst_QDateTime
tst_QDateTimeEdit
tst_QDebug
...

70180

194

return;

executed 150991 times by 155 tests: return;

Executed by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QButtonGroup
tst_QCalendarWidget
tst_QChar
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QCryptographicHash
tst_QCssParser
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
...

150991

195 } -

196 -

197 bufferSize -= tail; -

198 bytes -= tail; -

199 buffers.removeLast(); -

200 --tailBuffer; -

201 tail = buffers.lastconstLast().size(); -

202

}

executed 35 times by 7 tests: end of block

Executed by:

tst_QFtp
tst_QImageReader
tst_QNetworkReply
tst_QProcess
tst_QSslSocket
tst_QTcpSocket
tst_Selftests

203

}

executed 76732 times by 63 tests: end of block

Executed by:

tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractNetworkCache
tst_QChar
tst_QDBusAbstractAdaptor
tst_QDBusAbstractInterface
tst_QDBusConnection
tst_QDBusConnection_SpyHook
tst_QDBusInterface
tst_QDBusMarshall
tst_QDataStream
tst_QEventLoop
tst_QFile
tst_QFileInfo
tst_QFont
tst_QFtp
tst_QGuiEventLoop
tst_QHttpNetworkConnection
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcoImageFormat
tst_QIcon
tst_QImage
tst_QImageReader
...

76732

204 -

205 void QRingBuffer::clear() -

206 { -

207

if (buffers.isEmpty())

buffers.isEmpty()

Description

TRUE

evaluated 229385 times by 71 tests

Evaluated by:

tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractFileEngine
tst_QAuthenticator
tst_QBitArray
tst_QBrush
tst_QBuffer
tst_QColorDialog
tst_QDataStream
tst_QDate
tst_QDir
tst_QDirIterator
tst_QDirModel
tst_QFile
tst_QFileDialog2
tst_QFileInfo
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGraphicsScene
tst_QGuiVariant
tst_QHttpNetworkConnection
tst_QIODevice
...

FALSE

evaluated 110619 times by 114 tests

Evaluated by:

tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QBuffer
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDir
tst_QDoubleSpinBox
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileInfo
tst_QFileSystemModel
tst_QFileSystemWatcher
...

110619-229385

208

return;

executed 229385 times by 71 tests: return;

Executed by:

tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractFileEngine
tst_QAuthenticator
tst_QBitArray
tst_QBrush
tst_QBuffer
tst_QColorDialog
tst_QDataStream
tst_QDate
tst_QDir
tst_QDirIterator
tst_QDirModel
tst_QFile
tst_QFileDialog2
tst_QFileInfo
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QFont
tst_QGraphicsProxyWidget
tst_QGraphicsScene
tst_QGuiVariant
tst_QHttpNetworkConnection
tst_QIODevice
...

229385

209 -

210 buffers.erase(buffers.begin() + 1, buffers.end()); -

211 buffers.first().clear(); -

212 -

213 head = tail = 0; -

214 tailBuffer = 0; -

215 bufferSize = 0; -

216

}

executed 110619 times by 114 tests: end of block

Executed by:

tst_LargeFile
tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAccessibility
tst_QBuffer
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDir
tst_QDoubleSpinBox
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileInfo
tst_QFileSystemModel
tst_QFileSystemWatcher
...

110619

217 -

218 qint64 QRingBuffer::indexOf(char c, qint64 maxLength, qint64 pos) const -

219 { -

220

qint64 index =if (maxLength <= 0 || pos < 0)

maxLength <= 0

Description

TRUE

evaluated 5159 times by 11 tests

Evaluated by:

tst_QBuffer
tst_QFtp
tst_QHttpSocketEngine
tst_QIODevice
tst_QLocalSocket
tst_QNetworkReply
tst_QRingBuffer
tst_QSocks5SocketEngine
tst_QSslSocket
tst_QTcpSocket
tst_QXmlSimpleReader

FALSE

evaluated 107226 times by 42 tests

Evaluated by:

tst_QAccessibility
tst_QCalendarWidget
tst_QChar
tst_QComboBox
tst_QCompleter
tst_QCssParser
tst_QDateTimeEdit
tst_QDebug
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFontComboBox
tst_QFtp
tst_QGraphicsProxyWidget
tst_QGraphicsWidget
tst_QGuiApplication
tst_QGuiVariant
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
...

pos < 0

Description

TRUE

never evaluated

FALSE

evaluated 107226 times by 42 tests

Evaluated by:

tst_QAccessibility
tst_QCalendarWidget
tst_QChar
tst_QComboBox
tst_QCompleter
tst_QCssParser
tst_QDateTimeEdit
tst_QDebug
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFontComboBox
tst_QFtp
tst_QGraphicsProxyWidget
tst_QGraphicsWidget
tst_QGuiApplication
tst_QGuiVariant
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
...

0-107226

221

return -1

executed 5159 times by 11 tests: return -1;

Executed by:

tst_QBuffer
tst_QFtp
tst_QHttpSocketEngine
tst_QIODevice
tst_QLocalSocket
tst_QNetworkReply
tst_QRingBuffer
tst_QSocks5SocketEngine
tst_QSslSocket
tst_QTcpSocket
tst_QXmlSimpleReader

;

executed 5159 times by 11 tests: return -1;

Executed by:

tst_QBuffer
tst_QFtp
tst_QHttpSocketEngine
tst_QIODevice
tst_QLocalSocket
tst_QNetworkReply
tst_QRingBuffer
tst_QSocks5SocketEngine
tst_QSslSocket
tst_QTcpSocket
tst_QXmlSimpleReader

5159

222 -

223 qint64 jindex = -(pos + head;); -

224

for (int i = 0; index < maxLength &&i < buffers.size(); ++i) {

i < buffers.size()

Description

TRUE

evaluated 116771 times by 42 tests

Evaluated by:

tst_QAccessibility
tst_QCalendarWidget
tst_QChar
tst_QComboBox
tst_QCompleter
tst_QCssParser
tst_QDateTimeEdit
tst_QDebug
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFontComboBox
tst_QFtp
tst_QGraphicsProxyWidget
tst_QGraphicsWidget
tst_QGuiApplication
tst_QGuiVariant
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
...

FALSE

evaluated 619 times by 9 tests

Evaluated by:

tst_QChar
tst_QFile
tst_QIODevice
tst_QImageReader
tst_QImageWriter
tst_QRingBuffer
tst_QTextBoundaryFinder
tst_QTextStream
tst_QXmlInputSource

619-116771

225 const char *ptr = buffers[i].constData() + j; -

jqint64 nextBlockIndex = qMin(index + (i == tailBuffer ? tail : buffers[i].size()) - j,()),

226 maxLength); -

227 -

228

whileif (nextBlockIndex > 0) {

nextBlockIndex > 0

Description

TRUE

evaluated 113954 times by 42 tests

Evaluated by:

tst_QAccessibility
tst_QCalendarWidget
tst_QChar
tst_QComboBox
tst_QCompleter
tst_QCssParser
tst_QDateTimeEdit
tst_QDebug
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFontComboBox
tst_QFtp
tst_QGraphicsProxyWidget
tst_QGraphicsWidget
tst_QGuiApplication
tst_QGuiVariant
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
...

FALSE

evaluated 2817 times by 1 test

Evaluated by:

tst_QRingBuffer

2817-113954

229 const char *ptr = buffers[i].constData(); -

230

index < 0

Description

TRUE

evaluated 97225 times by 42 tests

Evaluated by:

tst_QAccessibility
tst_QCalendarWidget
tst_QChar
tst_QComboBox
tst_QCompleter
tst_QCssParser
tst_QDateTimeEdit
tst_QDebug
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFontComboBox
tst_QFtp
tst_QGraphicsProxyWidget
tst_QGraphicsWidget
tst_QGuiApplication
tst_QGuiVariant
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
...

FALSE

evaluated 16729 times by 10 tests

Evaluated by:

tst_QFtp
tst_QHttpSocketEngine
tst_QIODevice
tst_QImageReader
tst_QNetworkReply
tst_QProcess
tst_QRingBuffer
tst_QSocks5SocketEngine
tst_QTcpSocket
tst_QXmlInputSource

(index < j0) {

index < 0

Description

TRUE

evaluated 97225 times by 42 tests

Evaluated by:

tst_QAccessibility
tst_QCalendarWidget
tst_QChar
tst_QComboBox
tst_QCompleter
tst_QCssParser
tst_QDateTimeEdit
tst_QDebug
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFontComboBox
tst_QFtp
tst_QGraphicsProxyWidget
tst_QGraphicsWidget
tst_QGuiApplication
tst_QGuiVariant
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
...

FALSE

evaluated 16729 times by 10 tests

Evaluated by:

tst_QFtp
tst_QHttpSocketEngine
tst_QIODevice
tst_QImageReader
tst_QNetworkReply
tst_QProcess
tst_QRingBuffer
tst_QSocks5SocketEngine
tst_QTcpSocket
tst_QXmlInputSource

16729-97225

231 if (*ptr ++ ==-= index; -

232 index = 0; -

233

}

executed 97225 times by 42 tests: end of block

Executed by:

tst_QAccessibility
tst_QCalendarWidget
tst_QChar
tst_QComboBox
tst_QCompleter
tst_QCssParser
tst_QDateTimeEdit
tst_QDebug
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFontComboBox
tst_QFtp
tst_QGraphicsProxyWidget
tst_QGraphicsWidget
tst_QGuiApplication
tst_QGuiVariant
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
...

97225

234 -

235 const char *findPtr = reinterpret_cast<const char *>(memchr(ptr, c, -

236 nextBlockIndex - index)); -

237

if (findPtr

findPtr

Description

TRUE

evaluated 106220 times by 42 tests

Evaluated by:

tst_QAccessibility
tst_QCalendarWidget
tst_QChar
tst_QComboBox
tst_QCompleter
tst_QCssParser
tst_QDateTimeEdit
tst_QDebug
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFontComboBox
tst_QFtp
tst_QGraphicsProxyWidget
tst_QGraphicsWidget
tst_QGuiApplication
tst_QGuiVariant
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
...

FALSE

evaluated 7734 times by 11 tests

Evaluated by:

tst_QChar
tst_QFile
tst_QIODevice
tst_QImageReader
tst_QImageWriter
tst_QNetworkReply
tst_QRingBuffer
tst_QTcpSocket
tst_QTextBoundaryFinder
tst_QTextStream
tst_QXmlInputSource

)

findPtr

Description

TRUE

evaluated 106220 times by 42 tests

Evaluated by:

tst_QAccessibility
tst_QCalendarWidget
tst_QChar
tst_QComboBox
tst_QCompleter
tst_QCssParser
tst_QDateTimeEdit
tst_QDebug
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFontComboBox
tst_QFtp
tst_QGraphicsProxyWidget
tst_QGraphicsWidget
tst_QGuiApplication
tst_QGuiVariant
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
...

FALSE

evaluated 7734 times by 11 tests

Evaluated by:

tst_QChar
tst_QFile
tst_QIODevice
tst_QImageReader
tst_QImageWriter
tst_QNetworkReply
tst_QRingBuffer
tst_QTcpSocket
tst_QTextBoundaryFinder
tst_QTextStream
tst_QXmlInputSource

7734-106220

238

return qint64(findPtr - ptr) + index + pos;

executed 106220 times by 42 tests: return qint64(findPtr - ptr) + index + pos;

Executed by:

tst_QAccessibility
tst_QCalendarWidget
tst_QChar
tst_QComboBox
tst_QCompleter
tst_QCssParser
tst_QDateTimeEdit
tst_QDebug
tst_QFile
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFontComboBox
tst_QFtp
tst_QGraphicsProxyWidget
tst_QGraphicsWidget
tst_QGuiApplication
tst_QGuiVariant
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
...

106220

239 -

240

++indexif (nextBlockIndex == maxLength)

nextBlockIndex == maxLength	Description
TRUE	evaluated 387 times by 5 tests Evaluated by: tst_QIODevice tst_QImageReader tst_QNetworkReply tst_QRingBuffer tst_QTcpSocket
FALSE	evaluated 7347 times by 10 tests Evaluated by: tst_QChar tst_QFile tst_QIODevice tst_QImageReader tst_QImageWriter tst_QNetworkReply tst_QRingBuffer tst_QTextBoundaryFinder tst_QTextStream tst_QXmlInputSource

387-7347

241

return -1

executed 387 times by 5 tests: return -1;

Executed by:

tst_QIODevice
tst_QImageReader
tst_QNetworkReply
tst_QRingBuffer
tst_QTcpSocket

;

executed 387 times by 5 tests: return -1;

Executed by:

tst_QIODevice
tst_QImageReader
tst_QNetworkReply
tst_QRingBuffer
tst_QTcpSocket

387

242

}

executed 7347 times by 10 tests: end of block

Executed by:

tst_QChar
tst_QFile
tst_QIODevice
tst_QImageReader
tst_QImageWriter
tst_QNetworkReply
tst_QRingBuffer
tst_QTextBoundaryFinder
tst_QTextStream
tst_QXmlInputSource

7347

243 jindex = 0nextBlockIndex; -

244

}

executed 10164 times by 10 tests: end of block

Executed by:

tst_QChar
tst_QFile
tst_QIODevice
tst_QImageReader
tst_QImageWriter
tst_QNetworkReply
tst_QRingBuffer
tst_QTextBoundaryFinder
tst_QTextStream
tst_QXmlInputSource

10164

245

return -1;

executed 619 times by 9 tests: return -1;

Executed by:

tst_QChar
tst_QFile
tst_QIODevice
tst_QImageReader
tst_QImageWriter
tst_QRingBuffer
tst_QTextBoundaryFinder
tst_QTextStream
tst_QXmlInputSource

619

246 } -

247 -

248 qint64 QRingBuffer::read(char *data, qint64 maxLength) -

249 { -

250 const qint64 bytesToRead = qMin(size(), maxLength); -

251 qint64 readSoFar = 0; -

252 while (readSoFar < bytesToRead) { -

253 const qint64 bytesToReadFromThisBlock = qMin(bytesToRead - readSoFar, -

254 nextDataBlockSize()); -

255 if (data) -

256 memcpy(data + readSoFar, readPointer(), bytesToReadFromThisBlock); -

257 readSoFar += bytesToReadFromThisBlock; -

258 free(bytesToReadFromThisBlock); -

259 } -

260 return readSoFar; -

261 } -

262 -

263 /*! -

264 \internal -

265 -

266 Read an unspecified amount (will read the first buffer) -

267 */ -

268 QByteArray QRingBuffer::read() -

269 { -

270

if (bufferSize == 0)

bufferSize == 0	Description
TRUE	evaluated 1 time by 1 test Evaluated by: tst_QRingBuffer
FALSE	evaluated 3 times by 1 test Evaluated by: tst_QRingBuffer

1-3

271

return QByteArray();

executed 1 time by 1 test: return QByteArray();

Executed by:

tst_QRingBuffer

272 -

273 QByteArray qba(buffers.takeFirst()); -

274 -

275 qba.reserve(0); // avoid that resizing needlessly reallocates -

276

if (tailBuffer == 0) {

tailBuffer == 0	Description
TRUE	evaluated 1 time by 1 test Evaluated by: tst_QRingBuffer
FALSE	evaluated 2 times by 1 test Evaluated by: tst_QRingBuffer

1-2

277 qba.resize(tail); -

278 tail = 0; -

279

buffers.append(QByteArray());} else {

executed 1 time by 1 test: end of block

Executed by:

tst_QRingBuffer

280 --tailBuffer; -

281

}

executed 2 times by 1 test: end of block

Executed by:

tst_QRingBuffer

282 qba.remove(0, head); // does nothing if head is 0 -

283 head = 0; -

284 bufferSize -= qba.size(); -

285

return qba;

executed 3 times by 1 test: return qba;

Executed by:

tst_QRingBuffer

286 } -

287 -

288 /*! -

289 \internal -

290 -

291 Peek the bytes from a specified position -

292 */ -

293 qint64 QRingBuffer::peek(char *data, qint64 maxLength, qint64 pos) const -

294 { -

295 qint64 readSoFar = 0; -

296 -

297 if (pos >= 0) { -

298 pos += head; -

299 for (int i = 0; readSoFar < maxLength && i < buffers.size(); ++i) { -

300 qint64 blockLength = (i == tailBuffer ? tail : buffers[i].size()); -

301 -

302 if (pos < blockLength) { -

303 blockLength = qMin(blockLength - pos, maxLength - readSoFar); -

304 memcpy(data + readSoFar, buffers[i].constData() + pos, blockLength); -

305 readSoFar += blockLength; -

306 pos = 0; -

307 } else { -

308 pos -= blockLength; -

309 } -

310 } -

311 } -

312 -

313 return readSoFar; -

314 } -

315 -

316 /*! -

317 \internal -

318 -

319 Append bytes from data to the end -

320 */ -

321 void QRingBuffer::append(const char *data, qint64 size) -

322 { -

323 char *writePointer = reserve(size); -

324

if (size == 1)

size == 1

Description

TRUE

evaluated 69869 times by 17 tests

Evaluated by:

tst_QDataStream
tst_QFile
tst_QHttpSocketEngine
tst_QLocalSocket
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QProcess
tst_QProcess_and_GuiEventLoop
tst_QSaveFile
tst_QSettings
tst_QSocketNotifier
tst_QSocks5SocketEngine
tst_QSslSocket
tst_QTcpSocket
tst_QTextStream
tst_QXmlStream
tst_Spdy

FALSE

evaluated 96356 times by 62 tests

Evaluated by:

tst_NetworkSelfTest
tst_QAbstractNetworkCache
tst_QColorDialog
tst_QDataStream
tst_QDir
tst_QEventLoop
tst_QFile
tst_QFileDialog2
tst_QFileInfo
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QFtp
tst_QGraphicsProxyWidget
tst_QGuiEventLoop
tst_QHttpNetworkConnection
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QLocalSocket
tst_QLoggingRegistry
tst_QMimeDatabase
...

69869-96356

325

*writePointer = *data

executed 69869 times by 17 tests: *writePointer = *data;

Executed by:

tst_QDataStream
tst_QFile
tst_QHttpSocketEngine
tst_QLocalSocket
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QProcess
tst_QProcess_and_GuiEventLoop
tst_QSaveFile
tst_QSettings
tst_QSocketNotifier
tst_QSocks5SocketEngine
tst_QSslSocket
tst_QTcpSocket
tst_QTextStream
tst_QXmlStream
tst_Spdy

;

executed 69869 times by 17 tests: *writePointer = *data;

Executed by:

tst_QDataStream
tst_QFile
tst_QHttpSocketEngine
tst_QLocalSocket
tst_QNetworkDiskCache
tst_QNetworkReply
tst_QProcess
tst_QProcess_and_GuiEventLoop
tst_QSaveFile
tst_QSettings
tst_QSocketNotifier
tst_QSocks5SocketEngine
tst_QSslSocket
tst_QTcpSocket
tst_QTextStream
tst_QXmlStream
tst_Spdy

69869

326

else if (size)

size

Description

TRUE

evaluated 96329 times by 62 tests

Evaluated by:

tst_NetworkSelfTest
tst_QAbstractNetworkCache
tst_QColorDialog
tst_QDataStream
tst_QDir
tst_QEventLoop
tst_QFile
tst_QFileDialog2
tst_QFileInfo
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QFtp
tst_QGraphicsProxyWidget
tst_QGuiEventLoop
tst_QHttpNetworkConnection
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QLocalSocket
tst_QLoggingRegistry
tst_QMimeDatabase
...

FALSE

evaluated 27 times by 8 tests

Evaluated by:

tst_QFile
tst_QHttpSocketEngine
tst_QNetworkReply
tst_QSharedPointer
tst_QTextStream
tst_qdbusxml2cpp
tst_qmakelib
tst_qnetworkreply - unknown status

27-96329

327

::memcpy(writePointer, data, size);

executed 96329 times by 62 tests: ::memcpy(writePointer, data, size);

Executed by:

tst_NetworkSelfTest
tst_QAbstractNetworkCache
tst_QColorDialog
tst_QDataStream
tst_QDir
tst_QEventLoop
tst_QFile
tst_QFileDialog2
tst_QFileInfo
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QFtp
tst_QGraphicsProxyWidget
tst_QGuiEventLoop
tst_QHttpNetworkConnection
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QLocalSocket
tst_QLoggingRegistry
tst_QMimeDatabase
...

96329

328

}

executed 166225 times by 63 tests: end of block

Executed by:

tst_NetworkSelfTest
tst_QAbstractNetworkCache
tst_QColorDialog
tst_QDataStream
tst_QDir
tst_QEventLoop
tst_QFile
tst_QFileDialog2
tst_QFileInfo
tst_QFileSystemModel
tst_QFileSystemWatcher
tst_QFiledialog
tst_QFtp
tst_QGraphicsProxyWidget
tst_QGuiEventLoop
tst_QHttpNetworkConnection
tst_QHttpSocketEngine
tst_QIODevice
tst_QIcon
tst_QImage
tst_QImageReader
tst_QImageWriter
tst_QLocalSocket
tst_QLoggingRegistry
tst_QMimeDatabase
...

166225

329 -

330 /*! -

331 \internal -

332 -

333 Append a new buffer to the end -

334 */ -

335 void QRingBuffer::append(const QByteArray &qba) -

336 { -

337

if (tail == 0) {

tail == 0	Description
TRUE	evaluated 685 times by 5 tests Evaluated by: tst_QAbstractNetworkCache tst_QNetworkAccessManager_And_QProgressDialog tst_QNetworkReply tst_QRingBuffer tst_Spdy
FALSE	evaluated 6470 times by 4 tests Evaluated by: tst_QNetworkAccessManager_And_QProgressDialog tst_QNetworkReply tst_QRingBuffer tst_Spdy

685-6470

338

if (buffers.isEmpty())

buffers.isEmpty()	Description
TRUE	evaluated 465 times by 5 tests Evaluated by: tst_QAbstractNetworkCache tst_QNetworkAccessManager_And_QProgressDialog tst_QNetworkReply tst_QRingBuffer tst_Spdy
FALSE	evaluated 220 times by 1 test Evaluated by: tst_QNetworkReply

220-465

339

buffers.append(qba);

executed 465 times by 5 tests: buffers.append(qba);

Executed by:

tst_QAbstractNetworkCache
tst_QNetworkAccessManager_And_QProgressDialog
tst_QNetworkReply
tst_QRingBuffer
tst_Spdy

465

340 else -

341

buffers.last() = qba;

executed 220 times by 1 test: buffers.last() = qba;

Executed by:

tst_QNetworkReply

220

342 } else { -

343 buffers.last().resize(tail); -

344 buffers.append(qba); -

345 ++tailBuffer; -

346

}

executed 6470 times by 4 tests: end of block

Executed by:

tst_QNetworkAccessManager_And_QProgressDialog
tst_QNetworkReply
tst_QRingBuffer
tst_Spdy

6470

347 tail = qba.size(); -

348 bufferSize += tail; -

349

}

executed 7155 times by 5 tests: end of block

Executed by:

tst_QAbstractNetworkCache
tst_QNetworkAccessManager_And_QProgressDialog
tst_QNetworkReply
tst_QRingBuffer
tst_Spdy

7155

350 -

351 qint64 QRingBuffer::readLine(char *data, qint64 maxLength) -

352 { -

353 if (!data || --maxLength <= 0) -

354 return -1; -

355 -

356 qint64 i = indexOf('\n', maxLength); -

357 i = read(data, i >= 0 ? (i + 1) : maxLength); -

358 -

359 // Terminate it. -

360 data[i] = '\0'; -

361 return i; -

362 } -

363 -

364 QT_END_NAMESPACE -

Source code

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