src/testcases/ThreadTest.cpp

#include "ThreadTest.h"

#include <iostream>

CPPUNIT_TEST_SUITE_REGISTRATION(ThreadTest);

using namespace std;

static ThreadTest::DummyThread dummythread;


// DummyThread

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

int ThreadTest::DummyThread::Main() {
    wasRunning = true;
    while (true) {
                someVariable = -1;
                TestCancel();
        }
        return 0;
}


// HelperThread

ThreadTest::HelperThread::HelperThread(DummyThread* pDummyThread) : LinuxSampler::Thread(false, 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;
    return 0;
}

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


// WaitingThread

ThreadTest::WaitingThread::WaitingThread() : LinuxSampler::Thread(false, 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() {
    CPPUNIT_ASSERT(dummythread.wasRunning);
    CPPUNIT_ASSERT(dummythread.IsRunning());
    dummythread.SignalStopThread();
    usleep(80000); // 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	#include "ThreadTest.h"
2
3	#include <iostream>
4
5	CPPUNIT_TEST_SUITE_REGISTRATION(ThreadTest);
6
7	using namespace std;
8
9	static ThreadTest::DummyThread dummythread;
10
11
12	// DummyThread
13
14	ThreadTest::DummyThread::DummyThread() : LinuxSampler::Thread(false, false, 0, -4) {
15	wasRunning = false;
16	}
17
18	int ThreadTest::DummyThread::Main() {
19	wasRunning = true;
20	while (true) {
21	someVariable = -1;
22	TestCancel();
23	}
24	return 0;
25	}
26
27
28	// HelperThread
29
30	ThreadTest::HelperThread::HelperThread(DummyThread* pDummyThread) : LinuxSampler::Thread(false, false, 0, -4) {
31	returnedFromDummyStop = false;
32	this->pDummyThread = pDummyThread;
33	}
34
35	int ThreadTest::HelperThread::Main() {
36	pDummyThread->StopThread();
37	pDummyThread->someVariable = 0; // we set this to another value than -1 so we can check if the DummyThread was still running
38	returnedFromDummyStop = true;
39	return 0;
40	}
41
42	bool ThreadTest::HelperThread::dummyThreadWasNotRunningAnymoreAfter_StopThread_call() {
43	return (pDummyThread->someVariable == 0);
44	}
45
46
47	// WaitingThread
48
49	ThreadTest::WaitingThread::WaitingThread() : LinuxSampler::Thread(false, false, 0, -4) {
50	}
51
52	int ThreadTest::WaitingThread::Main() {
53	while (true) condition.WaitIf(false);
54	}
55
56
57	// ThreadTest
58
59	void ThreadTest::printTestSuiteName() {
60	cout << "\b \nRunning Thread Tests: " << flush;
61	}
62
63	// Check if Thread class actually deploys a thread
64	void ThreadTest::testThreadRunning() {
65	dummythread.StartThread();
66	usleep(25000); // wait 25ms
67	CPPUNIT_ASSERT(dummythread.wasRunning);
68	CPPUNIT_ASSERT(dummythread.IsRunning());
69	}
70
71	// Check if SignalStopThread() method actually stops the thread
72	void ThreadTest::testSignalStopThread() {
73	CPPUNIT_ASSERT(dummythread.wasRunning);
74	CPPUNIT_ASSERT(dummythread.IsRunning());
75	dummythread.SignalStopThread();
76	usleep(80000); // wait 40ms
77	CPPUNIT_ASSERT(!dummythread.IsRunning());
78	}
79
80	// Check if the thread can be relaunched
81	void ThreadTest::testRelaunchThread() {
82	dummythread.StartThread();
83	usleep(25000); // wait 25ms
84	CPPUNIT_ASSERT(dummythread.wasRunning);
85	CPPUNIT_ASSERT(dummythread.IsRunning());
86	dummythread.StopThread();
87	usleep(25000); // wait 25ms
88	dummythread.wasRunning = false;
89	dummythread.StartThread();
90	usleep(25000); // wait 25ms
91	CPPUNIT_ASSERT(dummythread.wasRunning);
92	CPPUNIT_ASSERT(dummythread.IsRunning());
93	}
94
95	// 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.
96	void ThreadTest::testStopThread() {
97	HelperThread* phelper = new HelperThread(&dummythread);
98	phelper->StartThread(); // let the helper thread kill the dummy thread
99	usleep(25000); // wait 25ms
100	CPPUNIT_ASSERT(!dummythread.IsRunning());
101	CPPUNIT_ASSERT(phelper->returnedFromDummyStop);
102	bool wasnotrunning = phelper->dummyThreadWasNotRunningAnymoreAfter_StopThread_call();
103	if (wasnotrunning && phelper) delete phelper;
104	CPPUNIT_ASSERT(wasnotrunning);
105	}
106
107	// Check if the thread can be stopped even when it's waiting for a condition
108	void ThreadTest::testThreadKillableWhenWaiting() {
109	WaitingThread* pwaitingthread = new WaitingThread;
110	pwaitingthread->SignalStartThread();
111	usleep(150000); // wait 150ms
112	CPPUNIT_ASSERT(pwaitingthread->IsRunning());
113	pwaitingthread->SignalStopThread();
114	for (uint trials = 400; trials; trials--) {
115	bool success = !pwaitingthread->IsRunning();
116	if (success) {
117	usleep(15000); // wait 15ms
118	delete pwaitingthread;
119	CPPUNIT_ASSERT(true); // success
120	return;
121	}
122	else usleep(150000); // wait 150ms and try again
123	}
124	CPPUNIT_ASSERT(false); // failure
125	}