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//! [0]
QCheckBox *box = ...;
QSignalSpy spy(box, SIGNAL(clicked(bool)));

// do something that triggers the signal
box->animateClick();

QCOMPARE(spy.count(), 1); // make sure the signal was emitted exactly one time
QList<QVariant> arguments = spy.takeFirst(); // take the first signal

QVERIFY(arguments.at(0).toBool() == true); // verify the first argument
//! [0]


//! [1]
QSignalSpy spy(myCustomObject, SIGNAL(mySignal(int,QString,double)));

myCustomObject->doSomething(); // trigger emission of the signal

QList<QVariant> arguments = spy.takeFirst();
QVERIFY(arguments.at(0).type() == QVariant::Int);
QVERIFY(arguments.at(1).type() == QVariant::QString);
QVERIFY(arguments.at(2).type() == QVariant::double);
//! [1]


//! [2]
qRegisterMetaType<SomeStruct>();
QSignalSpy spy(&model, SIGNAL(whatever(SomeStruct)));
//! [2]


//! [3]
// get the first argument from the first received signal:
SomeStruct result = qvariant_cast<SomeStruct>(spy.at(0).at(0));
//! [3]


//! [4]
QSignalSpy spy(myPushButton, SIGNAL(clicked(bool)));
//! [4]

//! [5]
QVERIFY(spy.wait(1000));
//! [5]
