16 |
|
|
17 |
|
public class StampedLockTest extends JSR166TestCase { |
18 |
|
public static void main(String[] args) { |
19 |
< |
junit.textui.TestRunner.run(suite()); |
19 |
> |
main(suite(), args); |
20 |
|
} |
21 |
|
public static Test suite() { |
22 |
|
return new TestSuite(StampedLockTest.class); |
166 |
|
*/ |
167 |
|
public void testWriteUnlock_IMSE2() { |
168 |
|
StampedLock lock = new StampedLock(); |
169 |
+ |
long s = lock.writeLock(); |
170 |
+ |
lock.unlockWrite(s); |
171 |
|
try { |
170 |
– |
long s = lock.writeLock(); |
171 |
– |
lock.unlockWrite(s); |
172 |
|
lock.unlockWrite(s); |
173 |
|
shouldThrow(); |
174 |
|
} catch (IllegalMonitorStateException success) {} |
179 |
|
*/ |
180 |
|
public void testWriteUnlock_IMSE3() { |
181 |
|
StampedLock lock = new StampedLock(); |
182 |
+ |
long s = lock.readLock(); |
183 |
|
try { |
183 |
– |
long s = lock.readLock(); |
184 |
|
lock.unlockWrite(s); |
185 |
|
shouldThrow(); |
186 |
|
} catch (IllegalMonitorStateException success) {} |
191 |
|
*/ |
192 |
|
public void testReadUnlock_IMSE() { |
193 |
|
StampedLock lock = new StampedLock(); |
194 |
+ |
long s = lock.readLock(); |
195 |
+ |
lock.unlockRead(s); |
196 |
|
try { |
195 |
– |
long s = lock.readLock(); |
196 |
– |
lock.unlockRead(s); |
197 |
|
lock.unlockRead(s); |
198 |
|
shouldThrow(); |
199 |
|
} catch (IllegalMonitorStateException success) {} |
215 |
|
*/ |
216 |
|
public void testReadUnlock_IMSE3() { |
217 |
|
StampedLock lock = new StampedLock(); |
218 |
+ |
long s = lock.writeLock(); |
219 |
|
try { |
219 |
– |
long s = lock.writeLock(); |
220 |
|
lock.unlockRead(s); |
221 |
|
shouldThrow(); |
222 |
|
} catch (IllegalMonitorStateException success) {} |
876 |
|
assertTrue(lock.tryLock()); |
877 |
|
} |
878 |
|
|
879 |
+ |
/** |
880 |
+ |
* Lock.newCondition throws UnsupportedOperationException |
881 |
+ |
*/ |
882 |
+ |
public void testLockViewsDoNotSupportConditions() { |
883 |
+ |
StampedLock sl = new StampedLock(); |
884 |
+ |
assertThrows(UnsupportedOperationException.class, |
885 |
+ |
() -> sl.asWriteLock().newCondition(), |
886 |
+ |
() -> sl.asReadLock().newCondition(), |
887 |
+ |
() -> sl.asReadWriteLock().writeLock().newCondition(), |
888 |
+ |
() -> sl.asReadWriteLock().readLock().newCondition()); |
889 |
+ |
} |
890 |
+ |
|
891 |
+ |
/** |
892 |
+ |
* Passing optimistic read stamps to unlock operations result in |
893 |
+ |
* IllegalMonitorStateException |
894 |
+ |
*/ |
895 |
+ |
public void testCannotUnlockOptimisticReadStamps() { |
896 |
+ |
Runnable[] actions = { |
897 |
+ |
() -> { |
898 |
+ |
StampedLock sl = new StampedLock(); |
899 |
+ |
long stamp = sl.tryOptimisticRead(); |
900 |
+ |
assertTrue(stamp != 0); |
901 |
+ |
sl.unlockRead(stamp); |
902 |
+ |
}, |
903 |
+ |
() -> { |
904 |
+ |
StampedLock sl = new StampedLock(); |
905 |
+ |
long stamp = sl.tryOptimisticRead(); |
906 |
+ |
sl.unlock(stamp); |
907 |
+ |
}, |
908 |
+ |
|
909 |
+ |
() -> { |
910 |
+ |
StampedLock sl = new StampedLock(); |
911 |
+ |
long stamp = sl.tryOptimisticRead(); |
912 |
+ |
sl.writeLock(); |
913 |
+ |
sl.unlock(stamp); |
914 |
+ |
}, |
915 |
+ |
() -> { |
916 |
+ |
StampedLock sl = new StampedLock(); |
917 |
+ |
long stamp = sl.tryOptimisticRead(); |
918 |
+ |
sl.readLock(); |
919 |
+ |
sl.unlockRead(stamp); |
920 |
+ |
}, |
921 |
+ |
() -> { |
922 |
+ |
StampedLock sl = new StampedLock(); |
923 |
+ |
long stamp = sl.tryOptimisticRead(); |
924 |
+ |
sl.readLock(); |
925 |
+ |
sl.unlock(stamp); |
926 |
+ |
}, |
927 |
+ |
|
928 |
+ |
() -> { |
929 |
+ |
StampedLock sl = new StampedLock(); |
930 |
+ |
long stamp = sl.tryConvertToOptimisticRead(sl.writeLock()); |
931 |
+ |
assertTrue(stamp != 0); |
932 |
+ |
sl.writeLock(); |
933 |
+ |
sl.unlockWrite(stamp); |
934 |
+ |
}, |
935 |
+ |
() -> { |
936 |
+ |
StampedLock sl = new StampedLock(); |
937 |
+ |
long stamp = sl.tryConvertToOptimisticRead(sl.writeLock()); |
938 |
+ |
sl.writeLock(); |
939 |
+ |
sl.unlock(stamp); |
940 |
+ |
}, |
941 |
+ |
() -> { |
942 |
+ |
StampedLock sl = new StampedLock(); |
943 |
+ |
long stamp = sl.tryConvertToOptimisticRead(sl.writeLock()); |
944 |
+ |
sl.readLock(); |
945 |
+ |
sl.unlockRead(stamp); |
946 |
+ |
}, |
947 |
+ |
() -> { |
948 |
+ |
StampedLock sl = new StampedLock(); |
949 |
+ |
long stamp = sl.tryConvertToOptimisticRead(sl.writeLock()); |
950 |
+ |
sl.readLock(); |
951 |
+ |
sl.unlock(stamp); |
952 |
+ |
}, |
953 |
+ |
|
954 |
+ |
() -> { |
955 |
+ |
StampedLock sl = new StampedLock(); |
956 |
+ |
long stamp = sl.tryConvertToOptimisticRead(sl.readLock()); |
957 |
+ |
assertTrue(stamp != 0); |
958 |
+ |
sl.writeLock(); |
959 |
+ |
sl.unlockWrite(stamp); |
960 |
+ |
}, |
961 |
+ |
() -> { |
962 |
+ |
StampedLock sl = new StampedLock(); |
963 |
+ |
long stamp = sl.tryConvertToOptimisticRead(sl.readLock()); |
964 |
+ |
sl.writeLock(); |
965 |
+ |
sl.unlock(stamp); |
966 |
+ |
}, |
967 |
+ |
() -> { |
968 |
+ |
StampedLock sl = new StampedLock(); |
969 |
+ |
long stamp = sl.tryConvertToOptimisticRead(sl.readLock()); |
970 |
+ |
sl.readLock(); |
971 |
+ |
sl.unlockRead(stamp); |
972 |
+ |
}, |
973 |
+ |
() -> { |
974 |
+ |
StampedLock sl = new StampedLock(); |
975 |
+ |
sl.readLock(); |
976 |
+ |
long stamp = sl.tryConvertToOptimisticRead(sl.readLock()); |
977 |
+ |
assertTrue(stamp != 0); |
978 |
+ |
sl.readLock(); |
979 |
+ |
sl.unlockRead(stamp); |
980 |
+ |
}, |
981 |
+ |
() -> { |
982 |
+ |
StampedLock sl = new StampedLock(); |
983 |
+ |
long stamp = sl.tryConvertToOptimisticRead(sl.readLock()); |
984 |
+ |
sl.readLock(); |
985 |
+ |
sl.unlock(stamp); |
986 |
+ |
}, |
987 |
+ |
() -> { |
988 |
+ |
StampedLock sl = new StampedLock(); |
989 |
+ |
sl.readLock(); |
990 |
+ |
long stamp = sl.tryConvertToOptimisticRead(sl.readLock()); |
991 |
+ |
sl.readLock(); |
992 |
+ |
sl.unlock(stamp); |
993 |
+ |
}, |
994 |
+ |
}; |
995 |
+ |
|
996 |
+ |
assertThrows(IllegalMonitorStateException.class, actions); |
997 |
+ |
} |
998 |
+ |
|
999 |
|
} |