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qarraydata.cpp

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/home/qt/qt5_coco/qt5/qtbase/src/corelib/tools/qarraydata.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 -

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18 ** GNU Lesser General Public License Usage -

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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. -

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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 -

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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 -

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36 ** -

37 ** $QT_END_LICENSE$ -

38 ** -

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

40 -

41 #include <QtCore/qarraydata.h> -

42 #include <QtCore/private/qnumeric_p.h> -

43 #include <QtCore/private/qtools_p.h> -

44 -

45 #include <stdlib.h> -

46 -

47 QT_BEGIN_NAMESPACE -

48 -

49 QT_WARNING_PUSH -

50 QT_WARNING_DISABLE_GCC("-Wmissing-field-initializers") -

51 -

52 const QArrayData QArrayData::shared_null[2] = { -

53 { Q_REFCOUNT_INITIALIZE_STATIC, 0, 0, 0, sizeof(QArrayData) }, // shared null -

54 /* zero initialized terminator */}; -

55 -

56 static const QArrayData qt_array[3] = { -

57 { Q_REFCOUNT_INITIALIZE_STATIC, 0, 0, 0, sizeof(QArrayData) }, // shared empty -

58 { { Q_BASIC_ATOMIC_INITIALIZER(0) }, 0, 0, 0, sizeof(QArrayData) }, // unsharable empty -

59 /* zero initialized terminator */}; -

60 -

61 QT_WARNING_POP -

62 -

63 static const QArrayData &qt_array_empty = qt_array[0]; -

64 static const QArrayData &qt_array_unsharable_empty = qt_array[1]; -

65 -

66 QArrayData *QArrayData::allocate(size_t objectSize, size_t alignment, -

67 size_t capacity, AllocationOptions options) Q_DECL_NOTHROW -

68 { -

69 // Alignment is a power of two -

70 Q_ASSERT(alignment >= Q_ALIGNOF(QArrayData) -

71 && !(alignment & (alignment - 1))); -

72 -

73 // Don't allocate empty headers -

if (!(options & RawData) && !capacity) {

!(options & RawData)

Description

TRUE

evaluated 182974095 times by 924 tests

Evaluated by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
...

FALSE

evaluated 1494652 times by 538 tests

Evaluated by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
...

!capacity

Description

TRUE

evaluated 91895332 times by 908 tests

Evaluated by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
...

FALSE

evaluated 91078777 times by 768 tests

Evaluated by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
...

1494652-182974095

75 #if !defined(QT_NO_UNSHARABLE_CONTAINERS) -

if (options & Unsharable)

options & Unsharable

Description

TRUE

evaluated 88897752 times by 832 tests

Evaluated by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
tst_QAnimationGroup
...

FALSE

evaluated 2997580 times by 620 tests

Evaluated by:

tst_Collections
tst_Compiler
tst_Gestures
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
tst_QAnimationGroup
...

2997580-88897752

return const_cast<QArrayData *>(&qt_array_unsharable_empty);

executed 88897752 times by 832 tests: return const_cast<QArrayData *>(&qt_array_unsharable_empty);

Executed by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
tst_QAnimationGroup
...

88897752

78 #endif -

return const_cast<QArrayData *>(&qt_array_empty);

executed 2997580 times by 620 tests: return const_cast<QArrayData *>(&qt_array_empty);

Executed by:

tst_Collections
tst_Compiler
tst_Gestures
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
tst_QAnimationGroup
...

2997580

80 } -

81 -

82 size_t headerSize = sizeof(QArrayData); -

83 -

84 // Allocate extra (alignment - Q_ALIGNOF(QArrayData)) padding bytes so we -

85 // can properly align the data array. This assumes malloc is able to -

86 // provide appropriate alignment for the header -- as it should! -

87 // Padding is skipped when allocating a header for RawData. -

if (!(options & RawData))

!(options & RawData)

Description

TRUE

evaluated 91078777 times by 768 tests

Evaluated by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
...

FALSE

evaluated 1494652 times by 538 tests

Evaluated by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
...

1494652-91078777

headerSize += (alignment - Q_ALIGNOF(QArrayData));

executed 91078769 times by 768 tests: headerSize += (alignment - alignof(QArrayData));

Executed by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
...

91078769

90 -

if (headerSize > size_t(MaxAllocSize))

headerSize > s...(MaxAllocSize)

Description

TRUE

never evaluated

FALSE

evaluated 92573429 times by 769 tests

Evaluated by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
...

0-92573429

return 0;

never executed: return 0;

93 -

94 // Calculate the byte size -

95 // allocSize = objectSize * capacity + headerSize, but checked for overflow -

96 // plus padded to grow in size -

97 size_t allocSize; -

if (options & Grow) {

options & Grow

Description

TRUE

evaluated 9945268 times by 578 tests

Evaluated by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
tst_QAnimationGroup
...

FALSE

evaluated 82628161 times by 693 tests

Evaluated by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
...

9945268-82628161

99 auto r = qCalculateGrowingBlockSize(capacity, objectSize, headerSize); -

100 capacity = r.elementCount; -

101 allocSize = r.size; -

102

} else {

executed 9945268 times by 578 tests: end of block

Executed by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
tst_QAnimationGroup
...

9945268

103 allocSize = qCalculateBlockSize(capacity, objectSize, headerSize); -

104

}

executed 82626277 times by 693 tests: end of block

Executed by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
...

82626277

105 -

106 QArrayData *header = static_cast<QArrayData *>(::malloc(allocSize)); -

107

if (header) {

header

Description

TRUE

evaluated 92573429 times by 769 tests

Evaluated by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
...

FALSE

never evaluated

0-92573429

108 quintptr data = (quintptr(header) + sizeof(QArrayData) + alignment - 1) -

109 & ~(alignment - 1); -

110 -

111 #if !defined(QT_NO_UNSHARABLE_CONTAINERS) -

112 header->ref.atomic.store(bool(!(options & Unsharable))); -

113 #else -

114 header->ref.atomic.store(1); -

115 #endif -

116 header->size = 0; -

117 header->alloc = capacity; -

118 header->capacityReserved = bool(options & CapacityReserved); -

119 header->offset = data - quintptr(header); -

120

}

executed 92568724 times by 769 tests: end of block

Executed by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
...

92568724

121 -

122

return header;

executed 92573018 times by 769 tests: return header;

Executed by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
...

92573018

123 } -

124 -

125 void QArrayData::deallocate(QArrayData *data, size_t objectSize, -

126 size_t alignment) Q_DECL_NOTHROW -

127 { -

128 // Alignment is a power of two -

129 Q_ASSERT(alignment >= Q_ALIGNOF(QArrayData) -

130 && !(alignment & (alignment - 1))); -

131 Q_UNUSED(objectSize) Q_UNUSED(alignment) -

132 -

133 #if !defined(QT_NO_UNSHARABLE_CONTAINERS) -

134

if (data == &qt_array_unsharable_empty)

data == &qt_ar...sharable_empty

Description

TRUE

evaluated 3634454 times by 479 tests

Evaluated by:

tst_Collections
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QAnimationGroup
tst_QApplication
tst_QArrayData
tst_QArrayData_StrictIterators
tst_QAsn1Element
tst_QAuthenticator
...

FALSE

evaluated 92557319 times by 1014 tests

Evaluated by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
...

3634454-92557319

135

return;

executed 3634454 times by 479 tests: return;

Executed by:

tst_Collections
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QAnimationGroup
tst_QApplication
tst_QArrayData
tst_QArrayData_StrictIterators
tst_QAsn1Element
tst_QAuthenticator
...

3634454

136 #endif -

137 -

138 Q_ASSERT_X(data == 0 || !data->ref.isStatic(), "QArrayData::deallocate", -

139 "Static data can not be deleted"); -

140 ::free(data); -

141

}

executed 92557320 times by 1014 tests: end of block

Executed by:

tst_Collections
tst_Compiler
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractAnimation
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractProxyModel
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSocket
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QAlgorithms
...

92557320

142 -

143 namespace QtPrivate { -

144 /*! -

145 \internal -

146 */ -

147 QContainerImplHelper::CutResult QContainerImplHelper::mid(int originalLength, int *_position, int *_length) -

148 { -

149 int &position = *_position; -

150 int &length = *_length; -

151

if (position > originalLength)

position > originalLength

Description

TRUE

evaluated 12747 times by 14 tests

Evaluated by:

tst_QAuthenticator
tst_QDateTime
tst_QFileDialog2
tst_QFiledialog
tst_QFontComboBox
tst_QHttpSocketEngine
tst_QList
tst_QList_StrictIterators
tst_QString
tst_QStringRef
tst_QXmlInputSource
tst_QXmlSimpleReader
tst_QXmlStream
tst_Spdy

FALSE

evaluated 2103393 times by 374 tests

Evaluated by:

tst_Collections
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QApplication
tst_QAsn1Element
tst_QAuthenticator
tst_QBackingStore
tst_QBoxLayout
...

12747-2103393

152

return Null;

executed 12747 times by 14 tests: return Null;

Executed by:

tst_QAuthenticator
tst_QDateTime
tst_QFileDialog2
tst_QFiledialog
tst_QFontComboBox
tst_QHttpSocketEngine
tst_QList
tst_QList_StrictIterators
tst_QString
tst_QStringRef
tst_QXmlInputSource
tst_QXmlSimpleReader
tst_QXmlStream
tst_Spdy

12747

153 -

154

if (position < 0) {

position < 0

Description

TRUE

evaluated 107 times by 6 tests

Evaluated by:

tst_Collections
tst_QAccessibility
tst_QString
tst_QStringRef
tst_QVector
tst_QVector_StrictIterators

FALSE

evaluated 2103286 times by 374 tests

Evaluated by:

tst_Collections
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QApplication
tst_QAsn1Element
tst_QAuthenticator
tst_QBackingStore
tst_QBoxLayout
...

107-2103286

155

if (length < 0 || length + position >= originalLength)

length < 0	Description
TRUE	evaluated 21 times by 3 tests Evaluated by: tst_Collections tst_QString tst_QStringRef
FALSE	evaluated 86 times by 5 tests Evaluated by: tst_QAccessibility tst_QString tst_QStringRef tst_QVector tst_QVector_StrictIterators

length + posit...originalLength	Description
TRUE	evaluated 38 times by 4 tests Evaluated by: tst_QString tst_QStringRef tst_QVector tst_QVector_StrictIterators
FALSE	evaluated 48 times by 3 tests Evaluated by: tst_QAccessibility tst_QString tst_QStringRef

21-86

156

return Full;

executed 59 times by 5 tests: return Full;

Executed by:

tst_Collections
tst_QString
tst_QStringRef
tst_QVector
tst_QVector_StrictIterators

157

if (length + position <= 0)

length + position <= 0	Description
TRUE	evaluated 36 times by 3 tests Evaluated by: tst_QAccessibility tst_QString tst_QStringRef
FALSE	evaluated 12 times by 2 tests Evaluated by: tst_QString tst_QStringRef

12-36

158

return Null;

executed 36 times by 3 tests: return Null;

Executed by:

tst_QAccessibility
tst_QString
tst_QStringRef

159 length += position; -

160 position = 0; -

161

} else if (uint(length) > uint(originalLength - position)) {

executed 12 times by 2 tests: end of block

Executed by:

tst_QString
tst_QStringRef

uint(length) >...th - position)

Description

TRUE

evaluated 823283 times by 357 tests

Evaluated by:

tst_Collections
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QApplication
tst_QAsn1Element
tst_QAuthenticator
tst_QBackingStore
tst_QBoxLayout
tst_QBrush
...

FALSE

evaluated 1280003 times by 312 tests

Evaluated by:

tst_Collections
tst_Gestures
tst_Lancelot
tst_ModelTest
tst_NetworkSelfTest
tst_QAbstractButton
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QApplication
tst_QAsn1Element
tst_QAuthenticator
tst_QBackingStore
tst_QBoxLayout
tst_QBuffer
tst_QButtonGroup
tst_QByteArray
tst_QCalendarWidget
...

12-1280003

162 length = originalLength - position; -

163

}

executed 823283 times by 357 tests: end of block

Executed by:

tst_Collections
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QApplication
tst_QAsn1Element
tst_QAuthenticator
tst_QBackingStore
tst_QBoxLayout
tst_QBrush
...

823283

164 -

165

if (position == 0 && length == originalLength)

position == 0

Description

TRUE

evaluated 398334 times by 322 tests

Evaluated by:

tst_Collections
tst_Gestures
tst_Lancelot
tst_LargeFile
tst_ModelTest
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QApplication
tst_QAsn1Element
tst_QBackingStore
tst_QBoxLayout
tst_QBrush
tst_QBuffer
...

FALSE

evaluated 1704964 times by 364 tests

Evaluated by:

tst_Collections
tst_Gestures
tst_Lancelot
tst_ModelTest
tst_NetworkSelfTest
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QApplication
tst_QAsn1Element
tst_QAuthenticator
tst_QBackingStore
tst_QBoxLayout
tst_QBrush
tst_QBuffer
...

length == originalLength

Description

TRUE

evaluated 219455 times by 256 tests

Evaluated by:

tst_Collections
tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QApplication
tst_QBoxLayout
tst_QBrush
tst_QButtonGroup
tst_QByteArray
tst_QCalendarWidget
tst_QChar
tst_QCheckBox
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLineParser
...

FALSE

evaluated 178879 times by 280 tests

Evaluated by:

tst_Collections
tst_Gestures
tst_Lancelot
tst_ModelTest
tst_NetworkSelfTest
tst_QAbstractButton
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSpinBox
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QApplication
tst_QAsn1Element
tst_QBackingStore
tst_QBoxLayout
tst_QBuffer
tst_QButtonGroup
tst_QByteArray
tst_QCalendarWidget
tst_QChar
tst_QCheckBox
...

178879-1704964

166

return Full;

executed 219455 times by 256 tests: return Full;

Executed by:

tst_Collections
tst_Lancelot
tst_LargeFile
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QApplication
tst_QBoxLayout
tst_QBrush
tst_QButtonGroup
tst_QByteArray
tst_QCalendarWidget
tst_QChar
tst_QCheckBox
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLineParser
...

219455

167 -

168

return length > 0 ? Subset : Empty;

executed 1883843 times by 365 tests: return length > 0 ? Subset : Empty;

Executed by:

tst_Collections
tst_Gestures
tst_Lancelot
tst_ModelTest
tst_NetworkSelfTest
tst_QAbstractButton
tst_QAbstractFileEngine
tst_QAbstractItemModel
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAbstractSlider
tst_QAbstractSpinBox
tst_QAbstractTextDocumentLayout
tst_QAccessibility
tst_QAction
tst_QActionGroup
tst_QApplication
tst_QAsn1Element
tst_QAuthenticator
tst_QBackingStore
tst_QBoxLayout
tst_QBrush
tst_QBuffer
...

1883843

169 } -

170 } -

171 -

172 QT_END_NAMESPACE -

Source code

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