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36
37#include <QtTest/QtTest>
38#include <QtSerialBus/qmodbusdevice.h>
39
40class DummyDevice : public QModbusDevice
41{
42 Q_OBJECT
43 friend class tst_QModbusDevice;
44
45public:
46 DummyDevice()
47 {
48 qRegisterMetaType<QModbusDevice::State>(typeName: "QModbusDevice::State");
49 }
50
51protected:
52 bool open() override { return openState; }
53 void close() override {}
54
55 bool openState = false;
56};
57
58class tst_QModbusDevice : public QObject
59{
60 Q_OBJECT
61
62private slots:
63 void initTestCase();
64 void cleanupTestCase();
65
66 void connectDevice();
67 void disconnectDevice();
68 void state();
69 void error();
70
71private:
72 DummyDevice *device;
73};
74
75void tst_QModbusDevice::initTestCase()
76{
77 device = new DummyDevice();
78}
79
80void tst_QModbusDevice::cleanupTestCase()
81{
82 delete device;
83}
84
85void tst_QModbusDevice::connectDevice()
86{
87 device->openState = false;
88 QVERIFY(!device->connectDevice());
89 QCOMPARE(device->state(), QModbusDevice::UnconnectedState);
90
91 device->openState = true;
92 QVERIFY(device->connectDevice());
93 QCOMPARE(device->state(), QModbusDevice::ConnectingState);
94
95 device->disconnectDevice();
96 QCOMPARE(device->state(), QModbusDevice::ClosingState);
97
98 device->setState(QModbusDevice::ClosingState);
99 QVERIFY(!device->connectDevice());
100}
101
102void tst_QModbusDevice::disconnectDevice()
103{
104 //see QTBUG-66648
105 DummyDevice dev;
106 QCOMPARE(dev.state(), QModbusDevice::UnconnectedState);
107 dev.disconnectDevice();
108 QCOMPARE(dev.state(), QModbusDevice::UnconnectedState);
109}
110
111void tst_QModbusDevice::state()
112{
113 device->setState(QModbusDevice::ConnectedState);
114 QCOMPARE(device->state(), QModbusDevice::ConnectedState);
115 QSignalSpy spy(device, SIGNAL(stateChanged(QModbusDevice::State)));
116 device->setState(QModbusDevice::UnconnectedState);
117 QCOMPARE(device->state(), QModbusDevice::UnconnectedState);
118 device->setState(QModbusDevice::UnconnectedState);
119 QCOMPARE(device->state(), QModbusDevice::UnconnectedState);
120
121 QCOMPARE(spy.count(), 1);
122}
123
124void tst_QModbusDevice::error()
125{
126 QCOMPARE(device->error(), QModbusDevice::NoError);
127 QVERIFY(device->errorString().isEmpty());
128
129 QString errorString("error string");
130 device->setError(errorText: errorString, error: QModbusDevice::ConnectionError);
131
132 QCOMPARE(device->error(), QModbusDevice::ConnectionError);
133 QCOMPARE(device->errorString(), errorString);
134}
135
136QTEST_MAIN(tst_QModbusDevice)
137
138#include "tst_qmodbusdevice.moc"
139

source code of qtserialbus/tests/auto/qmodbusdevice/tst_qmodbusdevice.cpp