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); |
766 |
|
public void testTryConvertToReadLock() throws InterruptedException { |
767 |
|
StampedLock lock = new StampedLock(); |
768 |
|
long s, p; |
769 |
< |
s = 0L; |
770 |
< |
assertFalse((p = lock.tryConvertToReadLock(s)) != 0L); |
769 |
> |
|
770 |
> |
assertFalse((p = lock.tryConvertToReadLock(0L)) != 0L); |
771 |
> |
|
772 |
|
assertTrue((s = lock.tryOptimisticRead()) != 0L); |
773 |
|
assertTrue((p = lock.tryConvertToReadLock(s)) != 0L); |
774 |
+ |
assertTrue(lock.isReadLocked()); |
775 |
+ |
assertEquals(1, lock.getReadLockCount()); |
776 |
|
lock.unlockRead(p); |
777 |
+ |
|
778 |
+ |
assertTrue((s = lock.tryOptimisticRead()) != 0L); |
779 |
+ |
lock.readLock(); |
780 |
+ |
assertTrue((p = lock.tryConvertToReadLock(s)) != 0L); |
781 |
+ |
assertTrue(lock.isReadLocked()); |
782 |
+ |
assertEquals(2, lock.getReadLockCount()); |
783 |
+ |
lock.unlockRead(p); |
784 |
+ |
lock.unlockRead(p); |
785 |
+ |
|
786 |
|
assertTrue((s = lock.writeLock()) != 0L); |
787 |
|
assertTrue((p = lock.tryConvertToReadLock(s)) != 0L); |
788 |
|
assertTrue(lock.validate(p)); |
789 |
+ |
assertTrue(lock.isReadLocked()); |
790 |
+ |
assertEquals(1, lock.getReadLockCount()); |
791 |
|
lock.unlockRead(p); |
792 |
+ |
|
793 |
|
assertTrue((s = lock.readLock()) != 0L); |
794 |
|
assertTrue(lock.validate(s)); |
795 |
< |
assertTrue((p = lock.tryConvertToReadLock(s)) != 0L); |
796 |
< |
assertTrue(lock.validate(p)); |
797 |
< |
lock.unlockRead(p); |
795 |
> |
assertEquals(s, lock.tryConvertToReadLock(s)); |
796 |
> |
assertTrue(lock.validate(s)); |
797 |
> |
assertTrue(lock.isReadLocked()); |
798 |
> |
assertEquals(1, lock.getReadLockCount()); |
799 |
> |
lock.unlockRead(s); |
800 |
> |
|
801 |
|
assertTrue((s = lock.tryWriteLock()) != 0L); |
802 |
|
assertTrue(lock.validate(s)); |
803 |
|
assertTrue((p = lock.tryConvertToReadLock(s)) != 0L); |
804 |
|
assertTrue(lock.validate(p)); |
805 |
+ |
assertEquals(1, lock.getReadLockCount()); |
806 |
|
lock.unlockRead(p); |
807 |
+ |
|
808 |
|
assertTrue((s = lock.tryReadLock()) != 0L); |
809 |
|
assertTrue(lock.validate(s)); |
810 |
< |
assertTrue((p = lock.tryConvertToReadLock(s)) != 0L); |
811 |
< |
assertTrue(lock.validate(p)); |
812 |
< |
lock.unlockRead(p); |
810 |
> |
assertEquals(s, lock.tryConvertToReadLock(s)); |
811 |
> |
assertTrue(lock.validate(s)); |
812 |
> |
assertTrue(lock.isReadLocked()); |
813 |
> |
assertEquals(1, lock.getReadLockCount()); |
814 |
> |
lock.unlockRead(s); |
815 |
> |
|
816 |
|
assertTrue((s = lock.tryWriteLock(100L, MILLISECONDS)) != 0L); |
817 |
|
assertTrue((p = lock.tryConvertToReadLock(s)) != 0L); |
818 |
|
assertTrue(lock.validate(p)); |
819 |
+ |
assertTrue(lock.isReadLocked()); |
820 |
+ |
assertEquals(1, lock.getReadLockCount()); |
821 |
|
lock.unlockRead(p); |
822 |
+ |
|
823 |
|
assertTrue((s = lock.tryReadLock(100L, MILLISECONDS)) != 0L); |
824 |
|
assertTrue(lock.validate(s)); |
825 |
< |
assertTrue((p = lock.tryConvertToReadLock(s)) != 0L); |
826 |
< |
assertTrue(lock.validate(p)); |
827 |
< |
lock.unlockRead(p); |
825 |
> |
assertEquals(s, lock.tryConvertToReadLock(s)); |
826 |
> |
assertTrue(lock.validate(s)); |
827 |
> |
assertTrue(lock.isReadLocked()); |
828 |
> |
assertEquals(1, lock.getReadLockCount()); |
829 |
> |
lock.unlockRead(s); |
830 |
|
} |
831 |
|
|
832 |
|
/** |
836 |
|
public void testTryConvertToWriteLock() throws InterruptedException { |
837 |
|
StampedLock lock = new StampedLock(); |
838 |
|
long s, p; |
839 |
< |
s = 0L; |
840 |
< |
assertFalse((p = lock.tryConvertToWriteLock(s)) != 0L); |
839 |
> |
|
840 |
> |
assertFalse((p = lock.tryConvertToWriteLock(0L)) != 0L); |
841 |
> |
|
842 |
|
assertTrue((s = lock.tryOptimisticRead()) != 0L); |
843 |
|
assertTrue((p = lock.tryConvertToWriteLock(s)) != 0L); |
844 |
+ |
assertTrue(lock.isWriteLocked()); |
845 |
|
lock.unlockWrite(p); |
846 |
+ |
|
847 |
|
assertTrue((s = lock.writeLock()) != 0L); |
848 |
< |
assertTrue((p = lock.tryConvertToWriteLock(s)) != 0L); |
849 |
< |
assertTrue(lock.validate(p)); |
850 |
< |
lock.unlockWrite(p); |
848 |
> |
assertEquals(s, lock.tryConvertToWriteLock(s)); |
849 |
> |
assertTrue(lock.validate(s)); |
850 |
> |
assertTrue(lock.isWriteLocked()); |
851 |
> |
lock.unlockWrite(s); |
852 |
> |
|
853 |
|
assertTrue((s = lock.readLock()) != 0L); |
854 |
|
assertTrue(lock.validate(s)); |
855 |
|
assertTrue((p = lock.tryConvertToWriteLock(s)) != 0L); |
856 |
|
assertTrue(lock.validate(p)); |
857 |
+ |
assertTrue(lock.isWriteLocked()); |
858 |
|
lock.unlockWrite(p); |
859 |
+ |
|
860 |
|
assertTrue((s = lock.tryWriteLock()) != 0L); |
861 |
|
assertTrue(lock.validate(s)); |
862 |
< |
assertTrue((p = lock.tryConvertToWriteLock(s)) != 0L); |
863 |
< |
assertTrue(lock.validate(p)); |
864 |
< |
lock.unlockWrite(p); |
862 |
> |
assertEquals(s, lock.tryConvertToWriteLock(s)); |
863 |
> |
assertTrue(lock.validate(s)); |
864 |
> |
assertTrue(lock.isWriteLocked()); |
865 |
> |
lock.unlockWrite(s); |
866 |
> |
|
867 |
|
assertTrue((s = lock.tryReadLock()) != 0L); |
868 |
|
assertTrue(lock.validate(s)); |
869 |
|
assertTrue((p = lock.tryConvertToWriteLock(s)) != 0L); |
870 |
|
assertTrue(lock.validate(p)); |
871 |
+ |
assertTrue(lock.isWriteLocked()); |
872 |
|
lock.unlockWrite(p); |
873 |
+ |
|
874 |
|
assertTrue((s = lock.tryWriteLock(100L, MILLISECONDS)) != 0L); |
875 |
|
assertTrue((p = lock.tryConvertToWriteLock(s)) != 0L); |
876 |
|
assertTrue(lock.validate(p)); |
877 |
+ |
assertTrue(lock.isWriteLocked()); |
878 |
|
lock.unlockWrite(p); |
879 |
+ |
|
880 |
|
assertTrue((s = lock.tryReadLock(100L, MILLISECONDS)) != 0L); |
881 |
|
assertTrue(lock.validate(s)); |
882 |
|
assertTrue((p = lock.tryConvertToWriteLock(s)) != 0L); |
883 |
|
assertTrue(lock.validate(p)); |
884 |
+ |
assertTrue(lock.isWriteLocked()); |
885 |
|
lock.unlockWrite(p); |
886 |
|
} |
887 |
|
|
1027 |
|
}, |
1028 |
|
() -> { |
1029 |
|
StampedLock sl = new StampedLock(); |
1030 |
+ |
sl.readLock(); |
1031 |
+ |
long stamp = sl.tryConvertToOptimisticRead(sl.readLock()); |
1032 |
+ |
assertTrue(stamp != 0); |
1033 |
+ |
sl.readLock(); |
1034 |
+ |
sl.unlockRead(stamp); |
1035 |
+ |
}, |
1036 |
+ |
() -> { |
1037 |
+ |
StampedLock sl = new StampedLock(); |
1038 |
+ |
long stamp = sl.tryConvertToOptimisticRead(sl.readLock()); |
1039 |
+ |
sl.readLock(); |
1040 |
+ |
sl.unlock(stamp); |
1041 |
+ |
}, |
1042 |
+ |
() -> { |
1043 |
+ |
StampedLock sl = new StampedLock(); |
1044 |
+ |
sl.readLock(); |
1045 |
|
long stamp = sl.tryConvertToOptimisticRead(sl.readLock()); |
1046 |
|
sl.readLock(); |
1047 |
|
sl.unlock(stamp); |