src/testcases/ThreadTest.cpp

#include "ThreadTest.h"

#include <iostream>

CPPUNIT_TEST_SUITE_REGISTRATION(ThreadTest);

using namespace std;


// DummyThread

ThreadTest::DummyThread::DummyThread() : Thread(false, 0, -4) {
    wasRunning = false;
}

int ThreadTest::DummyThread::Main() {
    wasRunning = true;
    while (true) someVariable = -1;
}


// HelperThread

ThreadTest::HelperThread::HelperThread(DummyThread* pDummyThread) : Thread(false, 0, -4) {
    returnedFromDummyStop = false;
    this->pDummyThread = pDummyThread;
}

int ThreadTest::HelperThread::Main() {
    pDummyThread->StopThread();
    pDummyThread->someVariable = 0; // we set this to another value than -1 so we can check if the DummyThread was still running
    returnedFromDummyStop = true;
}

bool ThreadTest::HelperThread::dummyThreadWasNotRunningAnymoreAfter_StopThread_call() {
    return (pDummyThread->someVariable == 0);
}


// WaitingThread

ThreadTest::WaitingThread::WaitingThread() : Thread(false, 0, -4) {
}

int ThreadTest::WaitingThread::Main() {
    while (true) condition.WaitIf(false);
}


// ThreadTest

void ThreadTest::printTestSuiteName() {
    cout << "\b \nRunning Thread Tests: " << flush;
}

// Check if Thread class actually deploys a thread
void ThreadTest::testThreadRunning() {
    dummythread.StartThread();
    usleep(25000); // wait 25ms
    CPPUNIT_ASSERT(dummythread.wasRunning);
    CPPUNIT_ASSERT(dummythread.IsRunning());
}

// Check if SignalStopThread() method actually stops the thread
void ThreadTest::testSignalStopThread() {
    dummythread.SignalStopThread();
    usleep(40000); // wait 40ms
    CPPUNIT_ASSERT(!dummythread.IsRunning());
}

// Check if the thread can be relaunched
void ThreadTest::testRelaunchThread() {
    dummythread.StartThread();
    usleep(25000); // wait 25ms
    CPPUNIT_ASSERT(dummythread.wasRunning);
    CPPUNIT_ASSERT(dummythread.IsRunning());
    dummythread.StopThread();
    usleep(25000); // wait 25ms
    dummythread.wasRunning = false;
    dummythread.StartThread();
    usleep(25000); // wait 25ms
    CPPUNIT_ASSERT(dummythread.wasRunning);
    CPPUNIT_ASSERT(dummythread.IsRunning());
}

// Check if the StopThread() method actually stops the thread and doesn't freeze the calling thread which wants to stop it and also check if the thread was still running after the StopThread() method was called.
void ThreadTest::testStopThread() {
    HelperThread* phelper = new HelperThread(&dummythread);
    phelper->StartThread(); // let the helper thread kill the dummy thread
    usleep(25000); // wait 25ms
    CPPUNIT_ASSERT(!dummythread.IsRunning());
    CPPUNIT_ASSERT(phelper->returnedFromDummyStop);
    bool wasnotrunning = phelper->dummyThreadWasNotRunningAnymoreAfter_StopThread_call();
    if (wasnotrunning && phelper) delete phelper;
    CPPUNIT_ASSERT(wasnotrunning);
}

// Check if the thread can be stopped even when it's waiting for a condition
void ThreadTest::testThreadKillableWhenWaiting() {
    WaitingThread* pwaitingthread = new WaitingThread;
    pwaitingthread->SignalStartThread();
    usleep(150000); // wait 150ms
    CPPUNIT_ASSERT(pwaitingthread->IsRunning());
    pwaitingthread->SignalStopThread();
    for (uint trials = 400; trials; trials--) {
        bool success = !pwaitingthread->IsRunning();
        if (success) {
            usleep(15000); // wait 15ms
            delete pwaitingthread;
            CPPUNIT_ASSERT(true); // success
            return;
        }
        else usleep(150000); // wait 150ms and try again
    }
    CPPUNIT_ASSERT(false); // failure
}
1	schoenebeck	57	#include "ThreadTest.h"
2
3			#include <iostream>
4
5			CPPUNIT_TEST_SUITE_REGISTRATION(ThreadTest);
6
7	schoenebeck	211	using namespace std;
8	schoenebeck	57
9	schoenebeck	211
10	schoenebeck	57	// DummyThread
11
12			ThreadTest::DummyThread::DummyThread() : Thread(false, 0, -4) {
13			wasRunning = false;
14			}
15
16			int ThreadTest::DummyThread::Main() {
17			wasRunning = true;
18	schoenebeck	211	while (true) someVariable = -1;
19	schoenebeck	57	}
20
21
22			// HelperThread
23
24			ThreadTest::HelperThread::HelperThread(DummyThread* pDummyThread) : Thread(false, 0, -4) {
25			returnedFromDummyStop = false;
26			this->pDummyThread = pDummyThread;
27			}
28
29			int ThreadTest::HelperThread::Main() {
30			pDummyThread->StopThread();
31	schoenebeck	211	pDummyThread->someVariable = 0; // we set this to another value than -1 so we can check if the DummyThread was still running
32	schoenebeck	57	returnedFromDummyStop = true;
33			}
34
35	schoenebeck	211	bool ThreadTest::HelperThread::dummyThreadWasNotRunningAnymoreAfter_StopThread_call() {
36			return (pDummyThread->someVariable == 0);
37			}
38	schoenebeck	57
39	schoenebeck	211
40	schoenebeck	63	// WaitingThread
41
42			ThreadTest::WaitingThread::WaitingThread() : Thread(false, 0, -4) {
43			}
44
45			int ThreadTest::WaitingThread::Main() {
46			while (true) condition.WaitIf(false);
47			}
48
49
50	schoenebeck	57	// ThreadTest
51
52	schoenebeck	211	void ThreadTest::printTestSuiteName() {
53			cout << "\b \nRunning Thread Tests: " << flush;
54			}
55
56	schoenebeck	63	// Check if Thread class actually deploys a thread
57	schoenebeck	57	void ThreadTest::testThreadRunning() {
58			dummythread.StartThread();
59			usleep(25000); // wait 25ms
60			CPPUNIT_ASSERT(dummythread.wasRunning);
61			CPPUNIT_ASSERT(dummythread.IsRunning());
62			}
63
64	schoenebeck	63	// Check if SignalStopThread() method actually stops the thread
65	schoenebeck	57	void ThreadTest::testSignalStopThread() {
66			dummythread.SignalStopThread();
67			usleep(40000); // wait 40ms
68			CPPUNIT_ASSERT(!dummythread.IsRunning());
69			}
70
71	schoenebeck	63	// Check if the thread can be relaunched
72	schoenebeck	57	void ThreadTest::testRelaunchThread() {
73	schoenebeck	63	dummythread.StartThread();
74			usleep(25000); // wait 25ms
75			CPPUNIT_ASSERT(dummythread.wasRunning);
76			CPPUNIT_ASSERT(dummythread.IsRunning());
77			dummythread.StopThread();
78			usleep(25000); // wait 25ms
79	schoenebeck	57	dummythread.wasRunning = false;
80			dummythread.StartThread();
81			usleep(25000); // wait 25ms
82			CPPUNIT_ASSERT(dummythread.wasRunning);
83			CPPUNIT_ASSERT(dummythread.IsRunning());
84			}
85
86	schoenebeck	211	// Check if the StopThread() method actually stops the thread and doesn't freeze the calling thread which wants to stop it and also check if the thread was still running after the StopThread() method was called.
87	schoenebeck	57	void ThreadTest::testStopThread() {
88			HelperThread* phelper = new HelperThread(&dummythread);
89			phelper->StartThread(); // let the helper thread kill the dummy thread
90			usleep(25000); // wait 25ms
91			CPPUNIT_ASSERT(!dummythread.IsRunning());
92			CPPUNIT_ASSERT(phelper->returnedFromDummyStop);
93	schoenebeck	211	bool wasnotrunning = phelper->dummyThreadWasNotRunningAnymoreAfter_StopThread_call();
94			if (wasnotrunning && phelper) delete phelper;
95			CPPUNIT_ASSERT(wasnotrunning);
96	schoenebeck	57	}
97	schoenebeck	63
98			// Check if the thread can be stopped even when it's waiting for a condition
99			void ThreadTest::testThreadKillableWhenWaiting() {
100	schoenebeck	211	WaitingThread* pwaitingthread = new WaitingThread;
101			pwaitingthread->SignalStartThread();
102			usleep(150000); // wait 150ms
103			CPPUNIT_ASSERT(pwaitingthread->IsRunning());
104			pwaitingthread->SignalStopThread();
105			for (uint trials = 400; trials; trials--) {
106			bool success = !pwaitingthread->IsRunning();
107			if (success) {
108			usleep(15000); // wait 15ms
109			delete pwaitingthread;
110			CPPUNIT_ASSERT(true); // success
111			return;
112			}
113			else usleep(150000); // wait 150ms and try again
114			}
115			CPPUNIT_ASSERT(false); // failure
116	schoenebeck	63	}