qt5base-lts/tests/auto/qstate/tst_qstate.cpp
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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12
2011-04-27 12:05:43 +02:00

409 lines
12 KiB
C++

/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite module of the Qt Toolkit.
**
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** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** $QT_END_LICENSE$
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****************************************************************************/
#include <QtTest/QtTest>
#include "qstate.h"
#include "qstatemachine.h"
#include "qsignaltransition.h"
// Will try to wait for the condition while allowing event processing
#define QTRY_COMPARE(__expr, __expected) \
do { \
const int __step = 50; \
const int __timeout = 5000; \
if ((__expr) != (__expected)) { \
QTest::qWait(0); \
} \
for (int __i = 0; __i < __timeout && ((__expr) != (__expected)); __i+=__step) { \
QTest::qWait(__step); \
} \
QCOMPARE(__expr, __expected); \
} while(0)
//TESTED_CLASS=
//TESTED_FILES=
class tst_QState : public QObject
{
Q_OBJECT
public:
tst_QState();
virtual ~tst_QState();
private slots:
#if 0
void test();
#endif
void assignProperty();
void assignPropertyTwice();
void historyInitialState();
void transitions();
private:
bool functionCalled;
};
tst_QState::tst_QState() : functionCalled(false)
{
}
tst_QState::~tst_QState()
{
}
#if 0
void tst_QState::test()
{
QStateMachine machine;
QState *s1 = new QState(&machine);
QCOMPARE(s1->machine(), &machine);
QCOMPARE(s1->parentState(), &machine);
QCOMPARE(s1->initialState(), (QState*)0);
QVERIFY(s1->childStates().isEmpty());
QVERIFY(s1->transitions().isEmpty());
QCOMPARE(s1->isFinal(), false);
s1->setFinal(true);
QCOMPARE(s1->isFinal(), true);
s1->setFinal(false);
QCOMPARE(s1->isFinal(), false);
QCOMPARE(s1->isParallel(), false);
s1->setParallel(true);
QCOMPARE(s1->isParallel(), true);
s1->setParallel(false);
QCOMPARE(s1->isParallel(), false);
QCOMPARE(s1->isAtomic(), true);
QCOMPARE(s1->isCompound(), false);
QCOMPARE(s1->isComplex(), false);
QState *s11 = new QState(s1);
QCOMPARE(s11->parentState(), s1);
QCOMPARE(s11->isAtomic(), true);
QCOMPARE(s11->isCompound(), false);
QCOMPARE(s11->isComplex(), false);
QCOMPARE(s11->machine(), s1->machine());
QVERIFY(s11->isDescendantOf(s1));
QCOMPARE(s1->initialState(), (QState*)0);
QCOMPARE(s1->childStates().size(), 1);
QCOMPARE(s1->childStates().at(0), s11);
QCOMPARE(s1->isAtomic(), false);
QCOMPARE(s1->isCompound(), true);
QCOMPARE(s1->isComplex(), true);
s1->setParallel(true);
QCOMPARE(s1->isAtomic(), false);
QCOMPARE(s1->isCompound(), false);
QCOMPARE(s1->isComplex(), true);
QState *s12 = new QState(s1);
QCOMPARE(s12->parentState(), s1);
QCOMPARE(s12->isAtomic(), true);
QCOMPARE(s12->isCompound(), false);
QCOMPARE(s12->isComplex(), false);
QCOMPARE(s12->machine(), s1->machine());
QVERIFY(s12->isDescendantOf(s1));
QVERIFY(!s12->isDescendantOf(s11));
QCOMPARE(s1->initialState(), (QState*)0);
QCOMPARE(s1->childStates().size(), 2);
QCOMPARE(s1->childStates().at(0), s11);
QCOMPARE(s1->childStates().at(1), s12);
QCOMPARE(s1->isAtomic(), false);
QCOMPARE(s1->isCompound(), false);
QCOMPARE(s1->isComplex(), true);
s1->setParallel(false);
QCOMPARE(s1->isAtomic(), false);
QCOMPARE(s1->isCompound(), true);
QCOMPARE(s1->isComplex(), true);
s1->setInitialState(s11);
QCOMPARE(s1->initialState(), s11);
s1->setInitialState(0);
QCOMPARE(s1->initialState(), (QState*)0);
s1->setInitialState(s12);
QCOMPARE(s1->initialState(), s12);
QState *s13 = new QState();
s1->setInitialState(s13);
QCOMPARE(s13->parentState(), s1);
QCOMPARE(s1->childStates().size(), 3);
QCOMPARE(s1->childStates().at(0), s11);
QCOMPARE(s1->childStates().at(1), s12);
QCOMPARE(s1->childStates().at(2), s13);
QVERIFY(s13->isDescendantOf(s1));
QVERIFY(s12->childStates().isEmpty());
QState *s121 = new QState(s12);
QCOMPARE(s121->parentState(), s12);
QCOMPARE(s121->isAtomic(), true);
QCOMPARE(s121->isCompound(), false);
QCOMPARE(s121->isComplex(), false);
QCOMPARE(s121->machine(), s12->machine());
QVERIFY(s121->isDescendantOf(s12));
QVERIFY(s121->isDescendantOf(s1));
QVERIFY(!s121->isDescendantOf(s11));
QCOMPARE(s12->childStates().size(), 1);
QCOMPARE(s12->childStates().at(0), (QState*)s121);
QCOMPARE(s1->childStates().size(), 3);
QCOMPARE(s1->childStates().at(0), s11);
QCOMPARE(s1->childStates().at(1), s12);
QCOMPARE(s1->childStates().at(2), s13);
s11->addTransition(s12);
QCOMPARE(s11->transitions().size(), 1);
QCOMPARE(s11->transitions().at(0)->sourceState(), s11);
QCOMPARE(s11->transitions().at(0)->targetStates().size(), 1);
QCOMPARE(s11->transitions().at(0)->targetStates().at(0), s12);
QCOMPARE(s11->transitions().at(0)->eventType(), QEvent::None);
QState *s14 = new QState();
s12->addTransition(QList<QState*>() << s13 << s14);
QCOMPARE(s12->transitions().size(), 1);
QCOMPARE(s12->transitions().at(0)->sourceState(), s12);
QCOMPARE(s12->transitions().at(0)->targetStates().size(), 2);
QCOMPARE(s12->transitions().at(0)->targetStates().at(0), s13);
QCOMPARE(s12->transitions().at(0)->targetStates().at(1), s14);
QCOMPARE(s12->transitions().at(0)->eventType(), QEvent::None);
s13->addTransition(this, SIGNAL(destroyed()), s14);
QCOMPARE(s13->transitions().size(), 1);
QCOMPARE(s13->transitions().at(0)->sourceState(), s13);
QCOMPARE(s13->transitions().at(0)->targetStates().size(), 1);
QCOMPARE(s13->transitions().at(0)->targetStates().at(0), s14);
QCOMPARE(s13->transitions().at(0)->eventType(), QEvent::Signal);
QVERIFY(qobject_cast<QSignalTransition*>(s13->transitions().at(0)) != 0);
delete s13->transitions().at(0);
QCOMPARE(s13->transitions().size(), 0);
s12->addTransition(this, SIGNAL(destroyed()), s11);
QCOMPARE(s12->transitions().size(), 2);
}
#endif
class TestClass: public QObject
{
Q_OBJECT
public:
TestClass() : called(false) {}
bool called;
public slots:
void slot() { called = true; }
};
void tst_QState::assignProperty()
{
QStateMachine machine;
QObject *object = new QObject();
object->setProperty("fooBar", 10);
QState *s1 = new QState(&machine);
s1->assignProperty(object, "fooBar", 20);
machine.setInitialState(s1);
machine.start();
QCoreApplication::processEvents();
QCOMPARE(object->property("fooBar").toInt(), 20);
}
void tst_QState::assignPropertyTwice()
{
QStateMachine machine;
QObject *object = new QObject();
object->setProperty("fooBar", 10);
QState *s1 = new QState(&machine);
s1->assignProperty(object, "fooBar", 20);
s1->assignProperty(object, "fooBar", 30);
machine.setInitialState(s1);
machine.start();
QCoreApplication::processEvents();
QCOMPARE(object->property("fooBar").toInt(), 30);
}
class EventTestTransition: public QAbstractTransition
{
public:
EventTestTransition(QEvent::Type type, QState *targetState)
: QAbstractTransition(), m_type(type)
{
setTargetState(targetState);
}
protected:
bool eventTest(QEvent *e)
{
return e->type() == m_type;
}
void onTransition(QEvent *) {}
private:
QEvent::Type m_type;
};
void tst_QState::historyInitialState()
{
QStateMachine machine;
QState *s1 = new QState(&machine);
QState *s2 = new QState(&machine);
QHistoryState *h1 = new QHistoryState(s2);
s2->setInitialState(h1);
QState *s3 = new QState(s2);
h1->setDefaultState(s3);
QState *s4 = new QState(s2);
s1->addTransition(new EventTestTransition(QEvent::User, s2));
s2->addTransition(new EventTestTransition(QEvent::User, s1));
s3->addTransition(new EventTestTransition(QEvent::Type(QEvent::User+1), s4));
machine.setInitialState(s1);
machine.start();
QCoreApplication::processEvents();
QCOMPARE(machine.configuration().size(), 1);
QVERIFY(machine.configuration().contains(s1));
machine.postEvent(new QEvent(QEvent::User));
QCoreApplication::processEvents();
QCOMPARE(machine.configuration().size(), 2);
QVERIFY(machine.configuration().contains(s2));
QVERIFY(machine.configuration().contains(s3));
machine.postEvent(new QEvent(QEvent::User));
QCoreApplication::processEvents();
QCOMPARE(machine.configuration().size(), 1);
QVERIFY(machine.configuration().contains(s1));
machine.postEvent(new QEvent(QEvent::User));
QCoreApplication::processEvents();
QCOMPARE(machine.configuration().size(), 2);
QVERIFY(machine.configuration().contains(s2));
QVERIFY(machine.configuration().contains(s3));
machine.postEvent(new QEvent(QEvent::Type(QEvent::User+1)));
QCoreApplication::processEvents();
QCOMPARE(machine.configuration().size(), 2);
QVERIFY(machine.configuration().contains(s2));
QVERIFY(machine.configuration().contains(s4));
machine.postEvent(new QEvent(QEvent::User));
QCoreApplication::processEvents();
QCOMPARE(machine.configuration().size(), 1);
QVERIFY(machine.configuration().contains(s1));
machine.postEvent(new QEvent(QEvent::User));
QCoreApplication::processEvents();
QCOMPARE(machine.configuration().size(), 2);
QVERIFY(machine.configuration().contains(s2));
QVERIFY(machine.configuration().contains(s4));
}
void tst_QState::transitions()
{
QState s1;
QState s2;
QVERIFY(s1.transitions().isEmpty());
QAbstractTransition *t1 = s1.addTransition(this, SIGNAL(destroyed()), &s2);
QVERIFY(t1 != 0);
QCOMPARE(s1.transitions().count(), 1);
QCOMPARE(s1.transitions().first(), t1);
QVERIFY(s2.transitions().isEmpty());
s1.removeTransition(t1);
QVERIFY(s1.transitions().isEmpty());
s1.addTransition(t1);
QCOMPARE(s1.transitions().count(), 1);
QCOMPARE(s1.transitions().first(), t1);
QAbstractTransition *t2 = new QEventTransition(&s1);
QCOMPARE(s1.transitions().count(), 2);
QVERIFY(s1.transitions().contains(t1));
QVERIFY(s1.transitions().contains(t2));
// Transitions from child states should not be reported.
QState *s21 = new QState(&s2);
QAbstractTransition *t3 = s21->addTransition(this, SIGNAL(destroyed()), &s2);
QVERIFY(s2.transitions().isEmpty());
QCOMPARE(s21->transitions().count(), 1);
QCOMPARE(s21->transitions().first(), t3);
}
QTEST_MAIN(tst_QState)
#include "tst_qstate.moc"