718 |
|
public void testTryConvertToOptimisticRead() throws InterruptedException { |
719 |
|
StampedLock lock = new StampedLock(); |
720 |
|
long s, p; |
721 |
< |
s = 0L; |
722 |
< |
assertFalse((p = lock.tryConvertToOptimisticRead(s)) != 0L); |
721 |
> |
assertEquals(0L, lock.tryConvertToOptimisticRead(0L)); |
722 |
> |
|
723 |
|
assertTrue((s = lock.tryOptimisticRead()) != 0L); |
724 |
< |
assertTrue((p = lock.tryConvertToOptimisticRead(s)) != 0L); |
724 |
> |
assertEquals(s, lock.tryConvertToOptimisticRead(s)); |
725 |
> |
assertTrue(lock.validate(s)); |
726 |
> |
|
727 |
> |
assertTrue((p = lock.readLock()) != 0L); |
728 |
> |
assertTrue((s = lock.tryOptimisticRead()) != 0L); |
729 |
> |
assertEquals(s, lock.tryConvertToOptimisticRead(s)); |
730 |
> |
assertTrue(lock.validate(s)); |
731 |
> |
lock.unlockRead(p); |
732 |
> |
|
733 |
|
assertTrue((s = lock.writeLock()) != 0L); |
734 |
|
assertTrue((p = lock.tryConvertToOptimisticRead(s)) != 0L); |
735 |
|
assertTrue(lock.validate(p)); |
736 |
+ |
|
737 |
|
assertTrue((s = lock.readLock()) != 0L); |
738 |
|
assertTrue(lock.validate(s)); |
739 |
|
assertTrue((p = lock.tryConvertToOptimisticRead(s)) != 0L); |
740 |
|
assertTrue(lock.validate(p)); |
741 |
+ |
|
742 |
|
assertTrue((s = lock.tryWriteLock()) != 0L); |
743 |
|
assertTrue(lock.validate(s)); |
744 |
|
assertTrue((p = lock.tryConvertToOptimisticRead(s)) != 0L); |
745 |
|
assertTrue(lock.validate(p)); |
746 |
+ |
|
747 |
|
assertTrue((s = lock.tryReadLock()) != 0L); |
748 |
|
assertTrue(lock.validate(s)); |
749 |
|
assertTrue((p = lock.tryConvertToOptimisticRead(s)) != 0L); |
750 |
|
assertTrue(lock.validate(p)); |
751 |
+ |
|
752 |
|
assertTrue((s = lock.tryWriteLock(100L, MILLISECONDS)) != 0L); |
753 |
|
assertTrue((p = lock.tryConvertToOptimisticRead(s)) != 0L); |
754 |
|
assertTrue(lock.validate(p)); |
755 |
+ |
|
756 |
|
assertTrue((s = lock.tryReadLock(100L, MILLISECONDS)) != 0L); |
757 |
|
assertTrue(lock.validate(s)); |
758 |
|
assertTrue((p = lock.tryConvertToOptimisticRead(s)) != 0L); |
808 |
|
public void testTryConvertToWriteLock() throws InterruptedException { |
809 |
|
StampedLock lock = new StampedLock(); |
810 |
|
long s, p; |
811 |
< |
s = 0L; |
812 |
< |
assertFalse((p = lock.tryConvertToWriteLock(s)) != 0L); |
811 |
> |
|
812 |
> |
assertFalse((p = lock.tryConvertToWriteLock(0L)) != 0L); |
813 |
> |
|
814 |
|
assertTrue((s = lock.tryOptimisticRead()) != 0L); |
815 |
|
assertTrue((p = lock.tryConvertToWriteLock(s)) != 0L); |
816 |
|
lock.unlockWrite(p); |
817 |
+ |
|
818 |
|
assertTrue((s = lock.writeLock()) != 0L); |
819 |
< |
assertTrue((p = lock.tryConvertToWriteLock(s)) != 0L); |
820 |
< |
assertTrue(lock.validate(p)); |
821 |
< |
lock.unlockWrite(p); |
819 |
> |
assertEquals(s, lock.tryConvertToWriteLock(s)); |
820 |
> |
assertTrue(lock.validate(s)); |
821 |
> |
lock.unlockWrite(s); |
822 |
> |
|
823 |
|
assertTrue((s = lock.readLock()) != 0L); |
824 |
|
assertTrue(lock.validate(s)); |
825 |
|
assertTrue((p = lock.tryConvertToWriteLock(s)) != 0L); |
826 |
|
assertTrue(lock.validate(p)); |
827 |
|
lock.unlockWrite(p); |
828 |
+ |
|
829 |
|
assertTrue((s = lock.tryWriteLock()) != 0L); |
830 |
|
assertTrue(lock.validate(s)); |
831 |
< |
assertTrue((p = lock.tryConvertToWriteLock(s)) != 0L); |
832 |
< |
assertTrue(lock.validate(p)); |
833 |
< |
lock.unlockWrite(p); |
831 |
> |
assertEquals(s, lock.tryConvertToWriteLock(s)); |
832 |
> |
assertTrue(lock.validate(s)); |
833 |
> |
lock.unlockWrite(s); |
834 |
> |
|
835 |
|
assertTrue((s = lock.tryReadLock()) != 0L); |
836 |
|
assertTrue(lock.validate(s)); |
837 |
|
assertTrue((p = lock.tryConvertToWriteLock(s)) != 0L); |
838 |
|
assertTrue(lock.validate(p)); |
839 |
|
lock.unlockWrite(p); |
840 |
+ |
|
841 |
|
assertTrue((s = lock.tryWriteLock(100L, MILLISECONDS)) != 0L); |
842 |
|
assertTrue((p = lock.tryConvertToWriteLock(s)) != 0L); |
843 |
|
assertTrue(lock.validate(p)); |
844 |
|
lock.unlockWrite(p); |
845 |
+ |
|
846 |
|
assertTrue((s = lock.tryReadLock(100L, MILLISECONDS)) != 0L); |
847 |
|
assertTrue(lock.validate(s)); |
848 |
|
assertTrue((p = lock.tryConvertToWriteLock(s)) != 0L); |
992 |
|
}, |
993 |
|
() -> { |
994 |
|
StampedLock sl = new StampedLock(); |
995 |
+ |
sl.readLock(); |
996 |
+ |
long stamp = sl.tryConvertToOptimisticRead(sl.readLock()); |
997 |
+ |
assertTrue(stamp != 0); |
998 |
+ |
sl.readLock(); |
999 |
+ |
sl.unlockRead(stamp); |
1000 |
+ |
}, |
1001 |
+ |
() -> { |
1002 |
+ |
StampedLock sl = new StampedLock(); |
1003 |
+ |
long stamp = sl.tryConvertToOptimisticRead(sl.readLock()); |
1004 |
+ |
sl.readLock(); |
1005 |
+ |
sl.unlock(stamp); |
1006 |
+ |
}, |
1007 |
+ |
() -> { |
1008 |
+ |
StampedLock sl = new StampedLock(); |
1009 |
+ |
sl.readLock(); |
1010 |
|
long stamp = sl.tryConvertToOptimisticRead(sl.readLock()); |
1011 |
|
sl.readLock(); |
1012 |
|
sl.unlock(stamp); |
1013 |
|
}, |
1014 |
|
}; |
1015 |
< |
|
1015 |
> |
|
1016 |
|
assertThrows(IllegalMonitorStateException.class, actions); |
1017 |
|
} |
1018 |
|
|