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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtTest/QtTest>
#include <QtSerialBus/QModbusDataUnit>
class tst_QModbusDataUnit : public QObject
{
Q_OBJECT
public:
explicit tst_QModbusDataUnit();
private slots:
void constructors();
void setters();
void testAPI();
};
tst_QModbusDataUnit::tst_QModbusDataUnit()
{
}
void tst_QModbusDataUnit::constructors()
{
QModbusDataUnit unit1(QModbusDataUnit::Coils);
QCOMPARE(unit1.registerType(), QModbusDataUnit::Coils);
QCOMPARE(unit1.startAddress(), 0);
QCOMPARE(unit1.valueCount(), 0);
QVERIFY(unit1.values().isEmpty());
QModbusDataUnit coils(QModbusDataUnit::Coils, 15, 20);
QCOMPARE(coils.registerType(), QModbusDataUnit::Coils);
QCOMPARE(coils.startAddress(), 15);
const auto values = coils.values();
QCOMPARE(values.size(), 20);
QCOMPARE(values, QList<quint16>(20));
for (auto val : values) {
QCOMPARE(val, quint16(0));
}
QCOMPARE(coils.valueCount(), 20);
QModbusDataUnit unit2(QModbusDataUnit::HoldingRegisters, 3, QList<quint16> { 9 });
QCOMPARE(unit2.registerType(), QModbusDataUnit::HoldingRegisters);
QCOMPARE(unit2.startAddress(), 3);
QCOMPARE(unit2.values().size(), 1);
QCOMPARE(unit2.values().at(0), (quint16) 9);
QCOMPARE(unit2.valueCount(), 1);
QList<quint16> data;
data.append(5);
data.append(6);
data.append(7);
QModbusDataUnit unit3(QModbusDataUnit::InputRegisters, 2, data);
QCOMPARE(unit3.registerType(), QModbusDataUnit::InputRegisters);
QCOMPARE(unit3.startAddress(), 2);
QCOMPARE(unit3.values().size(), 3);
QCOMPARE(unit3.values().at(0), (quint16) 5);
QCOMPARE(unit3.values().at(1), (quint16) 6);
QCOMPARE(unit3.values().at(2), (quint16) 7);
QCOMPARE(unit3.valueCount(), 3);
}
void tst_QModbusDataUnit::setters()
{
QModbusDataUnit unit(QModbusDataUnit::HoldingRegisters, 3, QList<quint16> { 9 });
QCOMPARE(unit.valueCount(), 1);
unit.setRegisterType(QModbusDataUnit::InputRegisters);
unit.setStartAddress(2);
QList<quint16> data;
data.append(9u);
data.append(5u);
unit.setValues(data);
QCOMPARE(unit.registerType(), QModbusDataUnit::InputRegisters);
QCOMPARE(unit.startAddress(), 2);
QCOMPARE(unit.valueCount(), 2);
QCOMPARE(unit.values().size(), 2);
QCOMPARE(unit.values().at(0), (quint16) 9);
QCOMPARE(unit.values().at(1), (quint16) 5);
//valueCount can be adjusted but values() stays the same
unit.setValueCount(1);
QCOMPARE(unit.valueCount(), 1);
QCOMPARE(unit.values().size(), 2);
QCOMPARE(unit.values().at(0), (quint16) 9);
QCOMPARE(unit.values().at(1), (quint16) 5);
}
void tst_QModbusDataUnit::testAPI()
{
{
QModbusDataUnit unit;
QCOMPARE(unit.isValid(), false);
unit.setStartAddress(15);
QCOMPARE(unit.isValid(), false);
unit.setRegisterType(QModbusDataUnit::Coils);
QCOMPARE(unit.isValid(), true);
}
{
QModbusDataUnit unit;
QCOMPARE(unit.isValid(), false);
unit.setRegisterType(QModbusDataUnit::Coils);
QCOMPARE(unit.isValid(), false);
unit.setStartAddress(15);
QCOMPARE(unit.isValid(), true);
}
QModbusDataUnit unit;
QCOMPARE(unit.isValid(), false);
QCOMPARE(unit.registerType(), QModbusDataUnit::Invalid);
QCOMPARE(unit.startAddress(), -1);
QCOMPARE(unit.valueCount(), 0);
QCOMPARE(unit.values(), QList<quint16>());
unit.setStartAddress(15);
unit.setRegisterType(QModbusDataUnit::Coils);
QCOMPARE(unit.isValid(), true);
QCOMPARE(unit.values(), QList<quint16>());
unit.setValues(QList<quint16> { 1, 2, 3, 4 });
QCOMPARE(unit.values(), QList<quint16>({ 1, 2, 3, 4 }));
QCOMPARE(unit.valueCount(), 4);
unit.setValueCount(25);
QCOMPARE(unit.valueCount(), 25);
QCOMPARE(unit.value(0), quint16(1));
unit.setValue(0, 25);
QCOMPARE(unit.value(0), quint16(25));
}
QTEST_MAIN(tst_QModbusDataUnit)
#include "tst_qmodbusdataunit.moc"