| 1068 |
|
catch (InterruptedException ex) { throw new AssertionError(ex); } |
| 1069 |
|
} |
| 1070 |
|
|
| 1071 |
+ |
static long readLockInterruptiblyUninterrupted(StampedLock sl) { |
| 1072 |
+ |
try { return sl.readLockInterruptibly(); } |
| 1073 |
+ |
catch (InterruptedException ex) { throw new AssertionError(ex); } |
| 1074 |
+ |
} |
| 1075 |
+ |
|
| 1076 |
+ |
static long tryReadLockUninterrupted(StampedLock sl, long time, TimeUnit unit) { |
| 1077 |
+ |
try { return sl.tryReadLock(time, unit); } |
| 1078 |
+ |
catch (InterruptedException ex) { throw new AssertionError(ex); } |
| 1079 |
+ |
} |
| 1080 |
+ |
|
| 1081 |
|
/** |
| 1082 |
|
* Invalid write stamps result in IllegalMonitorStateException |
| 1083 |
|
*/ |
| 1088 |
|
writeLockers.add((sl) -> tryWriteLockUninterrupted(sl, Long.MIN_VALUE, DAYS)); |
| 1089 |
|
writeLockers.add((sl) -> tryWriteLockUninterrupted(sl, 0, DAYS)); |
| 1090 |
|
|
| 1091 |
+ |
List<BiConsumer<StampedLock, Long>> writeUnlockers = new ArrayList<>(); |
| 1092 |
+ |
writeUnlockers.add((sl, stamp) -> sl.unlockWrite(stamp)); |
| 1093 |
+ |
writeUnlockers.add((sl, stamp) -> assertTrue(sl.tryUnlockWrite())); |
| 1094 |
+ |
writeUnlockers.add((sl, stamp) -> sl.asWriteLock().unlock()); |
| 1095 |
+ |
writeUnlockers.add((sl, stamp) -> sl.unlock(stamp)); |
| 1096 |
+ |
|
| 1097 |
|
List<Consumer<StampedLock>> mutaters = new ArrayList<>(); |
| 1098 |
|
mutaters.add((sl) -> {}); |
| 1099 |
|
mutaters.add((sl) -> sl.readLock()); |
| 1100 |
|
for (Function<StampedLock, Long> writeLocker : writeLockers) |
| 1101 |
|
mutaters.add((sl) -> writeLocker.apply(sl)); |
| 1102 |
|
|
| 1103 |
+ |
for (Function<StampedLock, Long> writeLocker : writeLockers) |
| 1104 |
+ |
for (BiConsumer<StampedLock, Long> writeUnlocker : writeUnlockers) |
| 1105 |
+ |
for (Consumer<StampedLock> mutater : mutaters) { |
| 1106 |
+ |
final StampedLock sl = new StampedLock(); |
| 1107 |
+ |
final long stamp = writeLocker.apply(sl); |
| 1108 |
+ |
assertTrue(stamp != 0L); |
| 1109 |
+ |
assertThrows(IllegalMonitorStateException.class, |
| 1110 |
+ |
() -> sl.unlockRead(stamp)); |
| 1111 |
+ |
writeUnlocker.accept(sl, stamp); |
| 1112 |
+ |
mutater.accept(sl); |
| 1113 |
+ |
assertThrows(IllegalMonitorStateException.class, |
| 1114 |
+ |
() -> sl.unlock(stamp), |
| 1115 |
+ |
() -> sl.unlockRead(stamp), |
| 1116 |
+ |
() -> sl.unlockWrite(stamp)); |
| 1117 |
+ |
} |
| 1118 |
+ |
} |
| 1119 |
+ |
|
| 1120 |
+ |
/** |
| 1121 |
+ |
* Invalid read stamps result in IllegalMonitorStateException |
| 1122 |
+ |
*/ |
| 1123 |
+ |
public void testInvalidReadStampsThrowIllegalMonitorStateException() { |
| 1124 |
+ |
List<Function<StampedLock, Long>> readLockers = new ArrayList<>(); |
| 1125 |
+ |
readLockers.add((sl) -> sl.readLock()); |
| 1126 |
+ |
readLockers.add((sl) -> readLockInterruptiblyUninterrupted(sl)); |
| 1127 |
+ |
readLockers.add((sl) -> tryReadLockUninterrupted(sl, Long.MIN_VALUE, DAYS)); |
| 1128 |
+ |
readLockers.add((sl) -> tryReadLockUninterrupted(sl, 0, DAYS)); |
| 1129 |
+ |
|
| 1130 |
+ |
List<BiConsumer<StampedLock, Long>> readUnlockers = new ArrayList<>(); |
| 1131 |
+ |
readUnlockers.add((sl, stamp) -> sl.unlockRead(stamp)); |
| 1132 |
+ |
readUnlockers.add((sl, stamp) -> assertTrue(sl.tryUnlockRead())); |
| 1133 |
+ |
readUnlockers.add((sl, stamp) -> sl.asReadLock().unlock()); |
| 1134 |
+ |
readUnlockers.add((sl, stamp) -> sl.unlock(stamp)); |
| 1135 |
+ |
|
| 1136 |
+ |
List<Function<StampedLock, Long>> writeLockers = new ArrayList<>(); |
| 1137 |
+ |
writeLockers.add((sl) -> sl.writeLock()); |
| 1138 |
+ |
writeLockers.add((sl) -> writeLockInterruptiblyUninterrupted(sl)); |
| 1139 |
+ |
writeLockers.add((sl) -> tryWriteLockUninterrupted(sl, Long.MIN_VALUE, DAYS)); |
| 1140 |
+ |
writeLockers.add((sl) -> tryWriteLockUninterrupted(sl, 0, DAYS)); |
| 1141 |
+ |
|
| 1142 |
|
List<BiConsumer<StampedLock, Long>> writeUnlockers = new ArrayList<>(); |
| 1143 |
|
writeUnlockers.add((sl, stamp) -> sl.unlockWrite(stamp)); |
| 1144 |
|
writeUnlockers.add((sl, stamp) -> assertTrue(sl.tryUnlockWrite())); |
| 1145 |
|
writeUnlockers.add((sl, stamp) -> sl.asWriteLock().unlock()); |
| 1146 |
|
writeUnlockers.add((sl, stamp) -> sl.unlock(stamp)); |
| 1147 |
|
|
| 1148 |
+ |
|
| 1149 |
+ |
for (Function<StampedLock, Long> readLocker : readLockers) |
| 1150 |
+ |
for (BiConsumer<StampedLock, Long> readUnlocker : readUnlockers) |
| 1151 |
|
for (Function<StampedLock, Long> writeLocker : writeLockers) |
| 1152 |
< |
for (BiConsumer<StampedLock, Long> writeUnlocker : writeUnlockers) |
| 1153 |
< |
for (Consumer<StampedLock> mutater : mutaters) { |
| 1154 |
< |
StampedLock sl = new StampedLock(); |
| 1097 |
< |
long stamp = writeLocker.apply(sl); |
| 1152 |
> |
for (BiConsumer<StampedLock, Long> writeUnlocker : writeUnlockers) { |
| 1153 |
> |
final StampedLock sl = new StampedLock(); |
| 1154 |
> |
final long stamp = readLocker.apply(sl); |
| 1155 |
|
assertTrue(stamp != 0L); |
| 1156 |
|
assertThrows(IllegalMonitorStateException.class, |
| 1157 |
< |
() -> sl.unlockRead(stamp)); |
| 1158 |
< |
writeUnlocker.accept(sl, stamp); |
| 1159 |
< |
mutater.accept(sl); |
| 1157 |
> |
() -> sl.unlockWrite(stamp)); |
| 1158 |
> |
readUnlocker.accept(sl, stamp); |
| 1159 |
> |
assertThrows(IllegalMonitorStateException.class, |
| 1160 |
> |
() -> sl.unlock(stamp), |
| 1161 |
> |
() -> sl.unlockRead(stamp), |
| 1162 |
> |
() -> sl.unlockWrite(stamp)); |
| 1163 |
> |
final long writeStamp = writeLocker.apply(sl); |
| 1164 |
> |
assertTrue(writeStamp != 0L); |
| 1165 |
> |
assertTrue(writeStamp != stamp); |
| 1166 |
> |
assertThrows(IllegalMonitorStateException.class, |
| 1167 |
> |
() -> sl.unlock(stamp), |
| 1168 |
> |
() -> sl.unlockRead(stamp), |
| 1169 |
> |
() -> sl.unlockWrite(stamp)); |
| 1170 |
> |
writeUnlocker.accept(sl, writeStamp); |
| 1171 |
|
assertThrows(IllegalMonitorStateException.class, |
| 1172 |
|
() -> sl.unlock(stamp), |
| 1173 |
|
() -> sl.unlockRead(stamp), |
