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45 #include <QtCore/qbytearray.h>
46 #include <QtCore/qlist.h>
47 #include <QtCore/qobject.h>
48 #include <QtCore/qmetaobject.h>
49 #include <QtCore/qvariant.h>
50 #include <QtCore/qvector.h>
51 #include <QtTest/qtesteventloop.h>
60 class QSignalSpy: public QObject, public QList<QList<QVariant> >
63 explicit QSignalSpy(const QObject *obj, const char *aSignal)
67 const int memberOffset = QObject::staticMetaObject.methodCount();
69 static const int memberOffset = QObject::staticMetaObject.methodCount();
72 qWarning("QSignalSpy: Cannot spy on a null object");
77 qWarning("QSignalSpy: Null signal name is not valid");
81 if (((aSignal[0] - '0') & 0x03) != QSIGNAL_CODE) {
82 qWarning("QSignalSpy: Not a valid signal, use the SIGNAL macro");
86 const QByteArray ba = QMetaObject::normalizedSignature(aSignal + 1);
87 const QMetaObject * const mo = obj->metaObject();
88 const int sigIndex = mo->indexOfMethod(ba.constData());
90 qWarning("QSignalSpy: No such signal: '%s'", ba.constData());
94 if (!QMetaObject::connect(obj, sigIndex, this, memberOffset,
95 Qt::DirectConnection, 0)) {
96 qWarning("QSignalSpy: QMetaObject::connect returned false. Unable to connect.");
100 initArgs(mo->method(sigIndex));
103 inline bool isValid() const { return !sig.isEmpty(); }
104 inline QByteArray signal() const { return sig; }
106 bool wait(int timeout = 5000)
108 Q_ASSERT(!m_waiting);
109 const int origCount = count();
111 m_loop.enterLoopMSecs(timeout);
113 return count() > origCount;
116 int qt_metacall(QMetaObject::Call call, int methodId, void **a) Q_DECL_OVERRIDE
118 methodId = QObject::qt_metacall(call, methodId, a);
122 if (call == QMetaObject::InvokeMetaMethod) {
132 void initArgs(const QMetaMethod &member)
134 const QList<QByteArray> params = member.parameterTypes();
135 args.reserve(params.size());
136 for (int i = 0; i < params.count(); ++i) {
137 const int tp = QMetaType::type(params.at(i).constData());
138 if (tp == QMetaType::UnknownType) {
139 Q_ASSERT(tp != QMetaType::Void); // void parameter => metaobject is corrupt
140 qWarning("Don't know how to handle '%s', use qRegisterMetaType to register it.",
141 params.at(i).constData());
147 void appendArgs(void **a)
149 QList<QVariant> list;
150 list.reserve(args.count());
151 for (int i = 0; i < args.count(); ++i) {
152 const QMetaType::Type type = static_cast<QMetaType::Type>(args.at(i));
153 if (type == QMetaType::QVariant)
154 list << *reinterpret_cast<QVariant *>(a[i + 1]);
156 list << QVariant(type, a[i + 1]);
164 // the full, normalized signal name
166 // holds the QMetaType types for the argument list of the signal
169 QTestEventLoop m_loop;