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-rw-r--r--src/testlib/qsignalspy.h238
1 files changed, 34 insertions, 204 deletions
diff --git a/src/testlib/qsignalspy.h b/src/testlib/qsignalspy.h
index b514a71a2c..591545b4d5 100644
--- a/src/testlib/qsignalspy.h
+++ b/src/testlib/qsignalspy.h
@@ -1,241 +1,71 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtTest module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QSIGNALSPY_H
#define QSIGNALSPY_H
#include <QtCore/qbytearray.h>
#include <QtCore/qlist.h>
-#include <QtCore/qobject.h>
#include <QtCore/qmetaobject.h>
#include <QtTest/qtesteventloop.h>
#include <QtCore/qvariant.h>
+#include <QtCore/qmutex.h>
+
+#include <memory>
QT_BEGIN_NAMESPACE
class QVariant;
-
-class QSignalSpy: public QObject, public QList<QList<QVariant> >
+class QSignalSpyPrivate;
+class QSignalSpy : public QList<QList<QVariant> >
{
+ struct ObjectSignal {
+ const QObject *obj;
+ QMetaMethod sig;
+ };
+ friend class QSignalSpyPrivate;
+ std::unique_ptr<QSignalSpyPrivate> d_ptr;
public:
explicit QSignalSpy(const QObject *obj, const char *aSignal)
- : m_waiting(false)
- {
- if (!isObjectValid(obj))
- return;
-
- if (!aSignal) {
- qWarning("QSignalSpy: Null signal name is not valid");
- return;
- }
-
- if (((aSignal[0] - '0') & 0x03) != QSIGNAL_CODE) {
- qWarning("QSignalSpy: Not a valid signal, use the SIGNAL macro");
- return;
- }
-
- const QByteArray ba = QMetaObject::normalizedSignature(aSignal + 1);
- const QMetaObject * const mo = obj->metaObject();
- const int sigIndex = mo->indexOfMethod(ba.constData());
- if (sigIndex < 0) {
- qWarning("QSignalSpy: No such signal: '%s'", ba.constData());
- return;
- }
-
- if (!connectToSignal(obj, sigIndex))
- return;
-
- sig = ba;
- initArgs(mo->method(sigIndex), obj);
- }
-
-#ifdef Q_CLANG_QDOC
+ : QSignalSpy(verify(obj, aSignal)) {}
+#ifdef Q_QDOC
template <typename PointerToMemberFunction>
QSignalSpy(const QObject *object, PointerToMemberFunction signal);
#else
template <typename Func>
QSignalSpy(const typename QtPrivate::FunctionPointer<Func>::Object *obj, Func signal0)
- : m_waiting(false)
- {
- if (!isObjectValid(obj))
- return;
-
- if (!signal0) {
- qWarning("QSignalSpy: Null signal name is not valid");
- return;
- }
-
- const QMetaObject * const mo = obj->metaObject();
- const QMetaMethod signalMetaMethod = QMetaMethod::fromSignal(signal0);
- const int sigIndex = signalMetaMethod.methodIndex();
-
- if (!isSignalMetaMethodValid(signalMetaMethod))
- return;
-
- if (!connectToSignal(obj, sigIndex))
- return;
-
- sig = signalMetaMethod.methodSignature();
- initArgs(mo->method(sigIndex), obj);
- }
-#endif // Q_CLANG_QDOC
-
- QSignalSpy(const QObject *obj, const QMetaMethod &signal)
- : m_waiting(false)
- {
- if (isObjectValid(obj) && isSignalMetaMethodValid(signal) &&
- connectToSignal(obj, signal.methodIndex())) {
- sig = signal.methodSignature();
- initArgs(signal, obj);
- }
- }
+ : QSignalSpy(verify(obj, QMetaMethod::fromSignal(signal0))) {}
+#endif // Q_QDOC
+ QSignalSpy(const QObject *obj, QMetaMethod signal)
+ : QSignalSpy(verify(obj, signal)) {}
+ Q_TESTLIB_EXPORT ~QSignalSpy();
inline bool isValid() const { return !sig.isEmpty(); }
inline QByteArray signal() const { return sig; }
- bool wait(int timeout = 5000)
- {
- Q_ASSERT(!m_waiting);
- const int origCount = count();
- m_waiting = true;
- m_loop.enterLoopMSecs(timeout);
- m_waiting = false;
- return count() > origCount;
- }
-
- int qt_metacall(QMetaObject::Call call, int methodId, void **a) override
- {
- methodId = QObject::qt_metacall(call, methodId, a);
- if (methodId < 0)
- return methodId;
-
- if (call == QMetaObject::InvokeMetaMethod) {
- if (methodId == 0) {
- appendArgs(a);
- }
- --methodId;
- }
- return methodId;
- }
+ bool wait(int timeout)
+ { return wait(std::chrono::milliseconds{timeout}); }
+
+ Q_TESTLIB_EXPORT bool wait(std::chrono::milliseconds timeout = std::chrono::seconds{5});
private:
- bool connectToSignal(const QObject *sender, int sigIndex)
- {
- static const int memberOffset = QObject::staticMetaObject.methodCount();
- const bool connected = QMetaObject::connect(
- sender, sigIndex, this, memberOffset, Qt::DirectConnection, nullptr);
-
- if (!connected)
- qWarning("QSignalSpy: QMetaObject::connect returned false. Unable to connect.");
-
- return connected;
- }
-
- static bool isSignalMetaMethodValid(const QMetaMethod &signal)
- {
- const bool valid = signal.isValid() && signal.methodType() == QMetaMethod::Signal;
-
- if (!valid)
- qWarning("QSignalSpy: Not a valid signal: '%s'", signal.methodSignature().constData());
-
- return valid;
- }
-
- static bool isObjectValid(const QObject *object)
- {
- const bool valid = !!object;
-
- if (!valid)
- qWarning("QSignalSpy: Cannot spy on a null object");
-
- return valid;
- }
-
- void initArgs(const QMetaMethod &member, const QObject *obj)
- {
- args.reserve(member.parameterCount());
- for (int i = 0; i < member.parameterCount(); ++i) {
- int tp = member.parameterType(i);
- if (tp == QMetaType::UnknownType && obj) {
- void *argv[] = { &tp, &i };
- QMetaObject::metacall(const_cast<QObject*>(obj),
- QMetaObject::RegisterMethodArgumentMetaType,
- member.methodIndex(), argv);
- if (tp == -1)
- tp = QMetaType::UnknownType;
- }
- if (tp == QMetaType::UnknownType) {
- qWarning("QSignalSpy: Unable to handle parameter '%s' of type '%s' of method '%s',"
- " use qRegisterMetaType to register it.",
- member.parameterNames().at(i).constData(),
- member.parameterTypes().at(i).constData(),
- member.name().constData());
- }
- args << tp;
- }
- }
-
- void appendArgs(void **a)
- {
- QList<QVariant> list;
- list.reserve(args.count());
- for (int i = 0; i < args.count(); ++i) {
- const QMetaType::Type type = static_cast<QMetaType::Type>(args.at(i));
- if (type == QMetaType::QVariant)
- list << *reinterpret_cast<QVariant *>(a[i + 1]);
- else
- list << QVariant(type, a[i + 1]);
- }
- append(list);
-
- if (m_waiting)
- m_loop.exitLoop();
- }
+ Q_TESTLIB_EXPORT explicit QSignalSpy(ObjectSignal os);
+
+ Q_TESTLIB_EXPORT static ObjectSignal verify(const QObject *obj, QMetaMethod signal);
+ Q_TESTLIB_EXPORT static ObjectSignal verify(const QObject *obj, const char *aSignal);
+
+ Q_TESTLIB_EXPORT static QList<int> makeArgs(const QMetaMethod &member, const QObject *obj);
+ Q_TESTLIB_EXPORT void appendArgs(void **a);
// the full, normalized signal name
QByteArray sig;
// holds the QMetaType types for the argument list of the signal
- QList<int> args;
+ const QList<int> args;
QTestEventLoop m_loop;
- bool m_waiting;
+ bool m_waiting = false;
+ QMutex m_mutex; // protects m_waiting and the QList base class, between appendArgs() and wait()
};
QT_END_NAMESPACE