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#include <cc++/thread.h>
#include <cstdio>
#ifdef CCXX_NAMESPACES
using namespace ost;
#endif
// This is a little regression test
//
class ThreadTest: public Thread
{
public:
ThreadTest();
void run();
};
volatile int n = 0;
bool WaitNValue(int value)
{
for(int i=0;; ++i) {
if (n == value)
break;
if (i >= 100)
return false;
Thread::sleep(10);
}
return true;
}
bool WaitChangeNValue(int value)
{
for(int i=0;; ++i) {
if (n != value)
break;
if (i >= 100)
return false;
Thread::sleep(10);
}
return true;
}
ThreadTest::ThreadTest()
{
}
void ThreadTest::run()
{
setCancel(Thread::cancelDeferred);
n = 1;
// wait for main thread
if (!WaitNValue(2)) return;
// increment infinitely
for(;;) {
yield();
n = n+1;
}
}
bool TestChange(bool shouldChange)
{
if (shouldChange)
printf("- thread should change n...");
else
printf("- thread should not change n...");
if (WaitChangeNValue(n) == shouldChange) {
printf("ok\n");
return true;
}
printf("ko\n");
return false;
}
#undef ERROR
#undef OK
#define ERROR {printf("ko\n"); return 1; }
#define OK {printf("ok\n"); }
#define TEST_CHANGE(b) if (!TestChange(b)) return 1;
int main(int argc, char* argv[])
{
ThreadTest test;
// test only thread, without sincronization
printf("***********************************************\n");
printf("* Testing class Thread without syncronization *\n");
printf("***********************************************\n");
printf("Testing thread creation\n\n");
n = 0;
test.start();
// wait for n == 1
printf("- thread should set n to 1...");
if (WaitNValue(1)) OK
else ERROR;
// increment number in thread
printf("\nTesting thread is working\n\n");
n = 2;
TEST_CHANGE(true);
TEST_CHANGE(true);
// suspend thread, variable should not change
printf("\nTesting suspend & resume\n\n");
test.suspend();
TEST_CHANGE(false);
TEST_CHANGE(false);
// resume, variable should change
test.resume();
TEST_CHANGE(true);
TEST_CHANGE(true);
printf("\nTesting recursive suspend & resume\n\n");
test.suspend();
test.suspend();
TEST_CHANGE(false);
TEST_CHANGE(false);
test.resume();
TEST_CHANGE(false);
TEST_CHANGE(false);
test.resume();
TEST_CHANGE(true);
TEST_CHANGE(true);
printf("\nTesting no suspend on resume\n\n");
test.resume();
TEST_CHANGE(true);
TEST_CHANGE(true);
// suspend thread, variable should not change
printf("\nTesting resuspend\n\n");
test.suspend();
TEST_CHANGE(false);
TEST_CHANGE(false);
printf("\nNow program should finish... :)\n");
test.resume();
return 0;
}
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