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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
57 QT_REQUIRE_CONFIG(itemmodeltester);
58
59 QT_BEGIN_NAMESPACE
60
61 class QAbstractItemModel;
62 class QAbstractItemModelTester;
63 class QAbstractItemModelTesterPrivate;
64
65 namespace QTestPrivate {
66 inline bool testDataGuiRoles(QAbstractItemModelTester *tester);
67 }
68
69 class Q_TESTLIB_EXPORT QAbstractItemModelTester : public QObject
70 {
71 Q_OBJECT
72 Q_DECLARE_PRIVATE(QAbstractItemModelTester)
73
74 public:
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
87 private:
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
92 namespace QTestPrivate {
testDataGuiRoles(QAbstractItemModelTester * tester)93 inline bool testDataGuiRoles(QAbstractItemModelTester *tester)
94 {
95 #ifdef QT_GUI_LIB
96
97 #define MODELTESTER_VERIFY(statement) \
98 do { \
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(model->index(0, 0), 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(model->index(0, 0), 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(model->index(0, 0), Qt::BackgroundRole);
127 if (variant.isValid())
128 MODELTESTER_VERIFY(variant.canConvert<QColor>() || variant.canConvert<QBrush>());
129
130 variant = model->data(model->index(0, 0), 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
144 QT_END_NAMESPACE
145
146 #endif // QABSTRACTITEMMODELTESTER_H
147