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28
29#include <QtTest/QtTest>
30
31#include <qsignalmapper.h>
32
33class tst_QSignalMapper : public QObject
34{
35 Q_OBJECT
36private slots:
37 void mapped();
38};
39
40class QtTestObject : public QObject
41{
42 Q_OBJECT
43public slots:
44 void myIntSlot(int id);
45 void myStringSlot(const QString &str);
46
47signals:
48 void mysignal(int);
49
50public:
51 void emit_mysignal(int);
52
53 int id;
54 QString str;
55};
56
57void QtTestObject::myIntSlot(int id)
58{
59 this->id = id;
60}
61
62void QtTestObject::myStringSlot(const QString &str)
63{
64 this->str = str;
65}
66
67void QtTestObject::emit_mysignal(int value)
68{
69 emit mysignal(value);
70}
71
72void tst_QSignalMapper::mapped()
73{
74 QSignalMapper mapper;
75
76 QtTestObject target;
77 QtTestObject src1;
78 QtTestObject src2;
79 QtTestObject src3;
80
81 connect(sender: &src1, SIGNAL(mysignal(int)), receiver: &mapper, SLOT(map()));
82 connect(sender: &src2, SIGNAL(mysignal(int)), receiver: &mapper, SLOT(map()));
83 connect(sender: &src3, SIGNAL(mysignal(int)), receiver: &mapper, SLOT(map()));
84
85 mapper.setMapping(sender: &src1, id: 7);
86 mapper.setMapping(sender: &src1, id: 1);
87 mapper.setMapping(sender: &src2, id: 2);
88 mapper.setMapping(sender: &src2, text: "two");
89 mapper.setMapping(sender: &src3, text: "three");
90
91 connect(sender: &mapper, signal: &QSignalMapper::mappedInt, receiver: &target, slot: &QtTestObject::myIntSlot);
92 connect(sender: &mapper, signal: &QSignalMapper::mappedString, receiver: &target, slot: &QtTestObject::myStringSlot);
93
94 src1.emit_mysignal(value: 20);
95 QCOMPARE(target.id, 1);
96 QVERIFY(target.str.isEmpty());
97
98 src2.emit_mysignal(value: 20);
99 QCOMPARE(target.id, 2);
100 QCOMPARE(target.str, QLatin1String("two"));
101
102 src3.emit_mysignal(value: 20);
103 QCOMPARE(target.id, 2);
104 QCOMPARE(target.str, QLatin1String("three"));
105}
106
107QTEST_MAIN(tst_QSignalMapper)
108#include "tst_qsignalmapper.moc"
109

source code of qtbase/tests/auto/corelib/kernel/qsignalmapper/tst_qsignalmapper.cpp