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39
40#ifndef QABSTRACTITEMMODELTESTER_H
41#define QABSTRACTITEMMODELTESTER_H
42
43#include <QtCore/QObject>
44#include <QtTest/qttestglobal.h>
45#include <QtCore/QAbstractItemModel>
46#include <QtCore/QVariant>
47
48#ifdef QT_GUI_LIB
49#include <QtGui/QFont>
50#include <QtGui/QColor>
51#include <QtGui/QBrush>
52#include <QtGui/QPixmap>
53#include <QtGui/QImage>
54#include <QtGui/QIcon>
55#endif
56
57QT_REQUIRE_CONFIG(itemmodeltester);
58
59QT_BEGIN_NAMESPACE
60
61class QAbstractItemModel;
62class QAbstractItemModelTester;
63class QAbstractItemModelTesterPrivate;
64
65namespace QTestPrivate {
66inline bool testDataGuiRoles(QAbstractItemModelTester *tester);
67}
68
69class Q_TESTLIB_EXPORT QAbstractItemModelTester : public QObject
70{
71 Q_OBJECT
72 Q_DECLARE_PRIVATE(QAbstractItemModelTester)
73
74public:
75 enum class FailureReportingMode {
76 QtTest,
77 Warning,
78 Fatal
79 };
80
81 QAbstractItemModelTester(QAbstractItemModel *model, QObject *parent = nullptr);
82 QAbstractItemModelTester(QAbstractItemModel *model, FailureReportingMode mode, QObject *parent = nullptr);
83
84 QAbstractItemModel *model() const;
85 FailureReportingMode failureReportingMode() const;
86
87private:
88 friend inline bool QTestPrivate::testDataGuiRoles(QAbstractItemModelTester *tester);
89 bool verify(bool statement, const char *statementStr, const char *description, const char *file, int line);
90};
91
92namespace QTestPrivate {
93inline bool testDataGuiRoles(QAbstractItemModelTester *tester)
94{
95#ifdef QT_GUI_LIB
96
97#define MODELTESTER_VERIFY(statement) \
98do { \
99 if (!tester->verify(static_cast<bool>(statement), #statement, "", __FILE__, __LINE__)) \
100 return false; \
101} while (false)
102
103 const auto model = tester->model();
104 Q_ASSERT(model);
105
106 if (!model->hasChildren())
107 return true;
108
109 QVariant variant;
110
111 variant = model->data(index: model->index(row: 0, column: 0), role: Qt::DecorationRole);
112 if (variant.isValid()) {
113 MODELTESTER_VERIFY(variant.canConvert<QPixmap>()
114 || variant.canConvert<QImage>()
115 || variant.canConvert<QIcon>()
116 || variant.canConvert<QColor>()
117 || variant.canConvert<QBrush>());
118 }
119
120 // General Purpose roles that should return a QFont
121 variant = model->data(index: model->index(row: 0, column: 0), role: Qt::FontRole);
122 if (variant.isValid())
123 MODELTESTER_VERIFY(variant.canConvert<QFont>());
124
125 // General Purpose roles that should return a QColor or a QBrush
126 variant = model->data(index: model->index(row: 0, column: 0), role: Qt::BackgroundRole);
127 if (variant.isValid())
128 MODELTESTER_VERIFY(variant.canConvert<QColor>() || variant.canConvert<QBrush>());
129
130 variant = model->data(index: model->index(row: 0, column: 0), role: Qt::ForegroundRole);
131 if (variant.isValid())
132 MODELTESTER_VERIFY(variant.canConvert<QColor>() || variant.canConvert<QBrush>());
133
134#undef MODELTESTER_VERIFY
135
136#else
137 Q_UNUSED(tester);
138#endif // QT_GUI_LIB
139
140 return true;
141}
142} // namespaceQTestPrivate
143
144QT_END_NAMESPACE
145
146#endif // QABSTRACTITEMMODELTESTER_H
147

source code of qtbase/src/testlib/qabstractitemmodeltester.h