Revision control
Copy as Markdown
// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtTest/qtest.h>
#include <QtSerialBus/qcanuniqueiddescription.h>
#include <QtSerialBus/private/qcanuniqueiddescription_p.h>
#include "qcanuniqueiddescription_helpers.h"
QT_USE_NAMESPACE
class tst_QCanUniqueIdDescription : public QObject
{
Q_OBJECT
private slots:
void init();
void construct();
void copy();
void move();
void comparison();
void isValid();
private:
QCanUniqueIdDescription d;
};
void tst_QCanUniqueIdDescription::init()
{
d = QCanUniqueIdDescription();
d.setSource(QtCanBus::DataSource::FrameId);
d.setStartBit(0);
d.setBitLength(29);
d.setEndian(QSysInfo::Endian::LittleEndian);
}
void tst_QCanUniqueIdDescription::construct()
{
QCanUniqueIdDescription desc;
QVERIFY(!desc.isValid());
QCOMPARE(desc.source(), QtCanBus::DataSource::FrameId);
QCOMPARE(desc.endian(), QSysInfo::Endian::LittleEndian);
QCOMPARE(desc.startBit(), 0);
QCOMPARE(desc.bitLength(), 0);
}
void tst_QCanUniqueIdDescription::copy()
{
QVERIFY(!QCanUniqueIdDescriptionPrivate::get(d)->isShared());
QCanUniqueIdDescription d1(d);
QVERIFY(equals(d1, d));
QVERIFY(QCanUniqueIdDescriptionPrivate::get(d)->isShared());
QVERIFY(QCanUniqueIdDescriptionPrivate::get(d1)->isShared());
QCanUniqueIdDescription d2 = d;
QVERIFY(equals(d2, d));
QVERIFY(QCanUniqueIdDescriptionPrivate::get(d)->isShared());
QVERIFY(QCanUniqueIdDescriptionPrivate::get(d2)->isShared());
}
void tst_QCanUniqueIdDescription::move()
{
QVERIFY(!QCanUniqueIdDescriptionPrivate::get(d)->isShared());
// copy fields manually to avoid having a shared private.
QCanUniqueIdDescription otherD;
otherD.setSource(d.source());
otherD.setEndian(d.endian());
otherD.setStartBit(d.startBit());
otherD.setBitLength(d.bitLength());
QCanUniqueIdDescription d1(std::move(d));
QVERIFY(equals(d1, otherD));
QVERIFY(!QCanUniqueIdDescriptionPrivate::get(d1)->isShared());
QCanUniqueIdDescription d2 = std::move(d1);
QVERIFY(equals(d2, otherD));
QVERIFY(!QCanUniqueIdDescriptionPrivate::get(d2)->isShared());
d = std::move(d2);
QVERIFY(equals(d, otherD));
QVERIFY(!QCanUniqueIdDescriptionPrivate::get(d)->isShared());
}
void tst_QCanUniqueIdDescription::comparison()
{
{
QCanUniqueIdDescription d1 = d;
QVERIFY(equals(d1, d));
// also check that calling const methods does not detach
d1.isValid();
d1.source();
d1.endian();
d1.startBit();
d1.bitLength();
QVERIFY(QCanUniqueIdDescriptionPrivate::get(d)->isShared());
QVERIFY(QCanUniqueIdDescriptionPrivate::get(d1)->isShared());
}
{
QCanUniqueIdDescription d1 = d;
d1.setSource(QtCanBus::DataSource::Payload);
QVERIFY(!equals(d1, d));
QVERIFY(!QCanUniqueIdDescriptionPrivate::get(d)->isShared());
QVERIFY(!QCanUniqueIdDescriptionPrivate::get(d1)->isShared());
}
{
QCanUniqueIdDescription d1 = d;
d1.setEndian(QSysInfo::Endian::BigEndian);
QVERIFY(!equals(d1, d));
QVERIFY(!QCanUniqueIdDescriptionPrivate::get(d)->isShared());
QVERIFY(!QCanUniqueIdDescriptionPrivate::get(d1)->isShared());
}
{
QCanUniqueIdDescription d1 = d;
d1.setStartBit(1);
QVERIFY(!equals(d1, d));
QVERIFY(!QCanUniqueIdDescriptionPrivate::get(d)->isShared());
QVERIFY(!QCanUniqueIdDescriptionPrivate::get(d1)->isShared());
}
{
QCanUniqueIdDescription d1 = d;
d1.setBitLength(10);
QVERIFY(!equals(d1, d));
QVERIFY(!QCanUniqueIdDescriptionPrivate::get(d)->isShared());
QVERIFY(!QCanUniqueIdDescriptionPrivate::get(d1)->isShared());
}
}
void tst_QCanUniqueIdDescription::isValid()
{
QVERIFY(d.isValid());
// 0 length - invalid
QCanUniqueIdDescription desc;
QVERIFY(!desc.isValid());
constexpr auto uidLength = sizeof(QtCanBus::UniqueId) * 8;
// length in range - valid
desc.setBitLength(uidLength - 1);
QVERIFY(desc.isValid());
// too large length - invalid
desc.setBitLength(uidLength + 1);
QVERIFY(!desc.isValid());
}
QTEST_MAIN(tst_QCanUniqueIdDescription)
#include "tst_qcanuniqueiddescription.moc"