michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*
michael@0:  * This is a regression test for the bug that the interval timer
michael@0:  * is not initialized when _PR_CreateCPU calls PR_IntervalNow.
michael@0:  * The bug would make this test program finish prematurely,
michael@0:  * when the SHORT_TIMEOUT period expires.  The correct behavior
michael@0:  * is for the test to finish when the LONG_TIMEOUT period expires.
michael@0:  */
michael@0: 
michael@0: #include "prlock.h"
michael@0: #include "prcvar.h"
michael@0: #include "prthread.h"
michael@0: #include "prinrval.h"
michael@0: #include "prlog.h"
michael@0: #include <stdio.h>
michael@0: #include <stdlib.h>
michael@0: 
michael@0: /* The timeouts, in milliseconds */
michael@0: #define SHORT_TIMEOUT 1000
michael@0: #define LONG_TIMEOUT 3000
michael@0: 
michael@0: PRLock *lock1, *lock2;
michael@0: PRCondVar *cv1, *cv2;
michael@0: 
michael@0: void ThreadFunc(void *arg)
michael@0: {
michael@0:     PR_Lock(lock1);
michael@0:     PR_WaitCondVar(cv1, PR_MillisecondsToInterval(SHORT_TIMEOUT));
michael@0:     PR_Unlock(lock1);
michael@0: }
michael@0: 
michael@0: int main(int argc, char **argv)
michael@0: {
michael@0:     PRThread *thread;
michael@0:     PRIntervalTime start, end;
michael@0:     PRUint32 elapsed_ms;
michael@0: 
michael@0:     lock1 = PR_NewLock();
michael@0:     PR_ASSERT(NULL != lock1);
michael@0:     cv1 = PR_NewCondVar(lock1);
michael@0:     PR_ASSERT(NULL != cv1);
michael@0:     lock2 = PR_NewLock();
michael@0:     PR_ASSERT(NULL != lock2);
michael@0:     cv2 = PR_NewCondVar(lock2);
michael@0:     PR_ASSERT(NULL != cv2);
michael@0:     start = PR_IntervalNow();
michael@0:     thread = PR_CreateThread(
michael@0:             PR_USER_THREAD,
michael@0:             ThreadFunc,
michael@0:             NULL,
michael@0:             PR_PRIORITY_NORMAL,
michael@0:             PR_LOCAL_THREAD,
michael@0:             PR_JOINABLE_THREAD,
michael@0:             0);
michael@0:     PR_ASSERT(NULL != thread);
michael@0:     PR_Lock(lock2);
michael@0:     PR_WaitCondVar(cv2, PR_MillisecondsToInterval(LONG_TIMEOUT));
michael@0:     PR_Unlock(lock2);
michael@0:     PR_JoinThread(thread);
michael@0:     end = PR_IntervalNow();
michael@0:     elapsed_ms = PR_IntervalToMilliseconds((PRIntervalTime)(end - start));
michael@0:     /* Allow 100ms imprecision */
michael@0:     if (elapsed_ms < LONG_TIMEOUT - 100 || elapsed_ms > LONG_TIMEOUT + 100) {
michael@0:         printf("Elapsed time should be %u ms but is %u ms\n",
michael@0:                 LONG_TIMEOUT, elapsed_ms);
michael@0:         printf("FAIL\n");
michael@0:         exit(1);
michael@0:     }
michael@0: 	printf("Elapsed time: %u ms, expected time: %u ms\n",
michael@0:                LONG_TIMEOUT, elapsed_ms);
michael@0:     printf("PASS\n");
michael@0:     return 0;
michael@0: }