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b8d1792fa0
Consider following situation. A class owns a timer. In destructor of that class we call .cancel() asynchronous on timer before it's destruction. Now timer is executing cancel in it's own internal thread, while it's doing that destructor of timer is called from owner's destructor. Timer destructor enqueues stop notification. If that enqueue is happening just after while loop from cancel notification, stop notification is gonna be dropped and timer will never stop. Fix: Add new method in TimedNotificationQueue which will return a notification regardless of the time it needs to be executed. Get number of pending tasks in the queue. Flush out that many notifications from queue while taking special consideration of pending Stop and Cancel notifications. Add test for new method in TimedNotificationQueue and fix cancel all tests to actually check if notification got executed. fixes #3986
292 lines
7.4 KiB
C++
292 lines
7.4 KiB
C++
//
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// TimedNotificationQueueTest.cpp
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//
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// Copyright (c) 2009, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#include "TimedNotificationQueueTest.h"
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#include "CppUnit/TestCaller.h"
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#include "CppUnit/TestSuite.h"
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#include "Poco/TimedNotificationQueue.h"
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#include "Poco/Notification.h"
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#include "Poco/Timestamp.h"
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#include "Poco/Clock.h"
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using Poco::TimedNotificationQueue;
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using Poco::Notification;
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using Poco::Timestamp;
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using Poco::Clock;
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namespace
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{
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class QTestNotification: public Notification
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{
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public:
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QTestNotification(const std::string& data): _data(data)
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{
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}
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~QTestNotification()
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{
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}
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const std::string& data() const
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{
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return _data;
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}
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private:
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std::string _data;
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};
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}
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TimedNotificationQueueTest::TimedNotificationQueueTest(const std::string& name): CppUnit::TestCase(name)
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{
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}
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TimedNotificationQueueTest::~TimedNotificationQueueTest()
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{
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}
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void TimedNotificationQueueTest::testDequeue()
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{
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TimedNotificationQueue queue;
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assertTrue (queue.empty());
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assertTrue (queue.size() == 0);
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Notification* pNf = queue.dequeueNotification();
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assertNullPtr(pNf);
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queue.enqueueNotification(new Notification, Timestamp());
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assertTrue (!queue.empty());
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assertTrue (queue.size() == 1);
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pNf = queue.dequeueNotification();
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assertNotNullPtr(pNf);
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assertTrue (queue.empty());
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assertTrue (queue.size() == 0);
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pNf->release();
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Poco::Clock ts1;
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ts1 += 100000;
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Poco::Clock ts2;
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ts2 += 200000;
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Poco::Clock ts3;
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ts3 += 300000;
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Poco::Clock ts4;
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ts4 += 400000;
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queue.enqueueNotification(new QTestNotification("first"), ts1);
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queue.enqueueNotification(new QTestNotification("fourth"), ts4);
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queue.enqueueNotification(new QTestNotification("third"), ts3);
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queue.enqueueNotification(new QTestNotification("second"), ts2);
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assertTrue (!queue.empty());
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assertTrue (queue.size() == 4);
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QTestNotification* pTNf = 0;
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while (!pTNf)
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{
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pTNf = dynamic_cast<QTestNotification*>(queue.dequeueNotification());
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}
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assertNotNullPtr(pTNf);
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assertTrue (pTNf->data() == "first");
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pTNf->release();
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assertTrue (ts1.elapsed() >= 0);
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assertTrue (!queue.empty());
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assertTrue (queue.size() == 3);
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pTNf = 0;
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while (!pTNf)
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{
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pTNf = dynamic_cast<QTestNotification*>(queue.dequeueNotification());
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}
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assertNotNullPtr(pTNf);
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assertTrue (pTNf->data() == "second");
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pTNf->release();
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assertTrue (ts2.elapsed() >= 0);
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assertTrue (!queue.empty());
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assertTrue (queue.size() == 2);
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pTNf = 0;
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while (!pTNf)
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{
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pTNf = dynamic_cast<QTestNotification*>(queue.dequeueNotification());
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}
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assertNotNullPtr(pTNf);
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assertTrue (pTNf->data() == "third");
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pTNf->release();
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assertTrue (ts3.elapsed() >= 0);
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assertTrue (!queue.empty());
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assertTrue (queue.size() == 1);
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pTNf = 0;
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while (!pTNf)
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{
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pTNf = dynamic_cast<QTestNotification*>(queue.dequeueNotification());
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}
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assertNotNullPtr(pTNf);
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assertTrue (pTNf->data() == "fourth");
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pTNf->release();
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assertTrue (ts4.elapsed() >= 0);
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assertTrue (queue.empty());
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assertTrue (queue.size() == 0);
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pNf = queue.dequeueNotification();
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assertNullPtr(pNf);
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}
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void TimedNotificationQueueTest::testDequeueNext()
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{
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TimedNotificationQueue queue;
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assertTrue (queue.empty());
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assertTrue (queue.size() == 0);
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Notification* pNf = queue.dequeueNextNotification();
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assertNullPtr(pNf);
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Timestamp time;
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time += 100000;
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queue.enqueueNotification(new Notification, time);
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assertTrue (!queue.empty());
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assertTrue (queue.size() == 1);
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pNf = queue.dequeueNextNotification();
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assertNotNullPtr(pNf);
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assertTrue (queue.empty());
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assertTrue (queue.size() == 0);
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pNf->release();
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}
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void TimedNotificationQueueTest::testWaitDequeue()
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{
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TimedNotificationQueue queue;
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Poco::Timestamp ts1;
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ts1 += 100000;
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Poco::Timestamp ts2;
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ts2 += 200000;
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Poco::Timestamp ts3;
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ts3 += 300000;
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Poco::Timestamp ts4;
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ts4 += 400000;
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queue.enqueueNotification(new QTestNotification("first"), ts1);
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queue.enqueueNotification(new QTestNotification("fourth"), ts4);
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queue.enqueueNotification(new QTestNotification("third"), ts3);
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queue.enqueueNotification(new QTestNotification("second"), ts2);
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assertTrue (!queue.empty());
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assertTrue (queue.size() == 4);
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QTestNotification* pTNf = dynamic_cast<QTestNotification*>(queue.waitDequeueNotification());
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assertNotNullPtr(pTNf);
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assertTrue (pTNf->data() == "first");
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pTNf->release();
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assertTrue (ts1.elapsed() >= 0);
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assertTrue (!queue.empty());
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assertTrue (queue.size() == 3);
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pTNf = dynamic_cast<QTestNotification*>(queue.waitDequeueNotification());
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assertNotNullPtr(pTNf);
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assertTrue (pTNf->data() == "second");
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pTNf->release();
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assertTrue (ts2.elapsed() >= 0);
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assertTrue (!queue.empty());
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assertTrue (queue.size() == 2);
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pTNf = dynamic_cast<QTestNotification*>(queue.waitDequeueNotification());
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assertNotNullPtr(pTNf);
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assertTrue (pTNf->data() == "third");
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pTNf->release();
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assertTrue (ts3.elapsed() >= 0);
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assertTrue (!queue.empty());
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assertTrue (queue.size() == 1);
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pTNf = dynamic_cast<QTestNotification*>(queue.waitDequeueNotification());
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assertNotNullPtr(pTNf);
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assertTrue (pTNf->data() == "fourth");
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pTNf->release();
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assertTrue (ts4.elapsed() >= 0);
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assertTrue (queue.empty());
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assertTrue (queue.size() == 0);
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}
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void TimedNotificationQueueTest::testWaitDequeueTimeout()
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{
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TimedNotificationQueue queue;
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Poco::Timestamp ts1;
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ts1 += 200000;
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Poco::Timestamp ts2;
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ts2 += 400000;
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Poco::Timestamp ts3;
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ts3 += 600000;
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Poco::Timestamp ts4;
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ts4 += 800000;
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queue.enqueueNotification(new QTestNotification("first"), ts1);
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queue.enqueueNotification(new QTestNotification("fourth"), ts4);
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queue.enqueueNotification(new QTestNotification("third"), ts3);
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queue.enqueueNotification(new QTestNotification("second"), ts2);
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assertTrue (!queue.empty());
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assertTrue (queue.size() == 4);
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QTestNotification* pTNf = dynamic_cast<QTestNotification*>(queue.waitDequeueNotification(10));
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assertNullPtr(pTNf);
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pTNf = dynamic_cast<QTestNotification*>(queue.waitDequeueNotification(20));
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assertNullPtr(pTNf);
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pTNf = dynamic_cast<QTestNotification*>(queue.waitDequeueNotification(200));
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assertNotNullPtr(pTNf);
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assertTrue (pTNf->data() == "first");
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pTNf->release();
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assertTrue (ts1.elapsed() >= 0);
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assertTrue (!queue.empty());
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assertTrue (queue.size() == 3);
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pTNf = dynamic_cast<QTestNotification*>(queue.waitDequeueNotification(220));
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assertNotNullPtr(pTNf);
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assertTrue (pTNf->data() == "second");
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pTNf->release();
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assertTrue (ts2.elapsed() >= 0);
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assertTrue (!queue.empty());
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assertTrue (queue.size() == 2);
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pTNf = dynamic_cast<QTestNotification*>(queue.waitDequeueNotification(220));
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assertNotNullPtr(pTNf);
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assertTrue (pTNf->data() == "third");
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pTNf->release();
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assertTrue (ts3.elapsed() >= 0);
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assertTrue (!queue.empty());
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assertTrue (queue.size() == 1);
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pTNf = dynamic_cast<QTestNotification*>(queue.waitDequeueNotification(220));
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assertNotNullPtr(pTNf);
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assertTrue (pTNf->data() == "fourth");
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pTNf->release();
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assertTrue (ts1.elapsed() >= 0);
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assertTrue (queue.empty());
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assertTrue (queue.size() == 0);
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}
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void TimedNotificationQueueTest::setUp()
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{
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}
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void TimedNotificationQueueTest::tearDown()
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{
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}
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CppUnit::Test* TimedNotificationQueueTest::suite()
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{
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CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("TimedNotificationQueueTest");
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CppUnit_addTest(pSuite, TimedNotificationQueueTest, testDequeue);
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CppUnit_addTest(pSuite, TimedNotificationQueueTest, testDequeueNext);
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CppUnit_addTest(pSuite, TimedNotificationQueueTest, testWaitDequeue);
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CppUnit_addTest(pSuite, TimedNotificationQueueTest, testWaitDequeueTimeout);
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return pSuite;
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}
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