1151 |
|
* executor using CallerRunsPolicy runs task if saturated. |
1152 |
|
*/ |
1153 |
|
public void testSaturatedExecute2() { |
1154 |
< |
RejectedExecutionHandler h = new CustomTPE.CallerRunsPolicy(); |
1155 |
< |
ThreadPoolExecutor p = new CustomTPE(1, 1, |
1156 |
< |
LONG_DELAY_MS, MILLISECONDS, |
1157 |
< |
new ArrayBlockingQueue<Runnable>(1), |
1158 |
< |
h); |
1159 |
< |
try { |
1154 |
> |
final ThreadPoolExecutor p = |
1155 |
> |
new CustomTPE(1, 1, |
1156 |
> |
LONG_DELAY_MS, MILLISECONDS, |
1157 |
> |
new ArrayBlockingQueue<Runnable>(1), |
1158 |
> |
new CustomTPE.CallerRunsPolicy()); |
1159 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1160 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1161 |
> |
Runnable blocker = new CheckedRunnable() { |
1162 |
> |
public void realRun() throws InterruptedException { |
1163 |
> |
done.await(); |
1164 |
> |
}}; |
1165 |
> |
p.execute(blocker); |
1166 |
|
TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
1167 |
< |
for (int i = 0; i < tasks.length; ++i) |
1167 |
> |
for (int i = 0; i < tasks.length; i++) |
1168 |
|
tasks[i] = new TrackedNoOpRunnable(); |
1169 |
< |
TrackedLongRunnable mr = new TrackedLongRunnable(); |
1164 |
< |
p.execute(mr); |
1165 |
< |
for (int i = 0; i < tasks.length; ++i) |
1169 |
> |
for (int i = 0; i < tasks.length; i++) |
1170 |
|
p.execute(tasks[i]); |
1171 |
< |
for (int i = 1; i < tasks.length; ++i) |
1171 |
> |
for (int i = 1; i < tasks.length; i++) |
1172 |
|
assertTrue(tasks[i].done); |
1173 |
< |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1174 |
< |
} finally { |
1171 |
< |
joinPool(p); |
1173 |
> |
assertFalse(tasks[0].done); // waiting in queue |
1174 |
> |
done.countDown(); |
1175 |
|
} |
1176 |
|
} |
1177 |
|
|
1179 |
|
* executor using DiscardPolicy drops task if saturated. |
1180 |
|
*/ |
1181 |
|
public void testSaturatedExecute3() { |
1182 |
< |
RejectedExecutionHandler h = new CustomTPE.DiscardPolicy(); |
1183 |
< |
ThreadPoolExecutor p = |
1182 |
> |
final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
1183 |
> |
for (int i = 0; i < tasks.length; ++i) |
1184 |
> |
tasks[i] = new TrackedNoOpRunnable(); |
1185 |
> |
final ThreadPoolExecutor p = |
1186 |
|
new CustomTPE(1, 1, |
1187 |
|
LONG_DELAY_MS, MILLISECONDS, |
1188 |
|
new ArrayBlockingQueue<Runnable>(1), |
1189 |
< |
h); |
1190 |
< |
try { |
1191 |
< |
TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
1192 |
< |
for (int i = 0; i < tasks.length; ++i) |
1193 |
< |
tasks[i] = new TrackedNoOpRunnable(); |
1189 |
< |
p.execute(new TrackedLongRunnable()); |
1189 |
> |
new CustomTPE.DiscardPolicy()); |
1190 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1191 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1192 |
> |
p.execute(awaiter(done)); |
1193 |
> |
|
1194 |
|
for (TrackedNoOpRunnable task : tasks) |
1195 |
|
p.execute(task); |
1196 |
< |
for (TrackedNoOpRunnable task : tasks) |
1197 |
< |
assertFalse(task.done); |
1198 |
< |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1195 |
< |
} finally { |
1196 |
< |
joinPool(p); |
1196 |
> |
for (int i = 1; i < tasks.length; i++) |
1197 |
> |
assertFalse(tasks[i].done); |
1198 |
> |
done.countDown(); |
1199 |
|
} |
1200 |
+ |
for (int i = 1; i < tasks.length; i++) |
1201 |
+ |
assertFalse(tasks[i].done); |
1202 |
+ |
assertTrue(tasks[0].done); // was waiting in queue |
1203 |
|
} |
1204 |
|
|
1205 |
|
/** |
1206 |
|
* executor using DiscardOldestPolicy drops oldest task if saturated. |
1207 |
|
*/ |
1208 |
|
public void testSaturatedExecute4() { |
1209 |
< |
RejectedExecutionHandler h = new CustomTPE.DiscardOldestPolicy(); |
1210 |
< |
ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
1211 |
< |
try { |
1212 |
< |
p.execute(new TrackedLongRunnable()); |
1213 |
< |
TrackedLongRunnable r2 = new TrackedLongRunnable(); |
1209 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1210 |
> |
LatchAwaiter r1 = awaiter(done); |
1211 |
> |
LatchAwaiter r2 = awaiter(done); |
1212 |
> |
LatchAwaiter r3 = awaiter(done); |
1213 |
> |
final ThreadPoolExecutor p = |
1214 |
> |
new CustomTPE(1, 1, |
1215 |
> |
LONG_DELAY_MS, MILLISECONDS, |
1216 |
> |
new ArrayBlockingQueue<Runnable>(1), |
1217 |
> |
new CustomTPE.DiscardOldestPolicy()); |
1218 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1219 |
> |
assertEquals(LatchAwaiter.NEW, r1.state); |
1220 |
> |
assertEquals(LatchAwaiter.NEW, r2.state); |
1221 |
> |
assertEquals(LatchAwaiter.NEW, r3.state); |
1222 |
> |
p.execute(r1); |
1223 |
|
p.execute(r2); |
1224 |
|
assertTrue(p.getQueue().contains(r2)); |
1211 |
– |
TrackedNoOpRunnable r3 = new TrackedNoOpRunnable(); |
1225 |
|
p.execute(r3); |
1226 |
|
assertFalse(p.getQueue().contains(r2)); |
1227 |
|
assertTrue(p.getQueue().contains(r3)); |
1228 |
< |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1216 |
< |
} finally { |
1217 |
< |
joinPool(p); |
1228 |
> |
done.countDown(); |
1229 |
|
} |
1230 |
+ |
assertEquals(LatchAwaiter.DONE, r1.state); |
1231 |
+ |
assertEquals(LatchAwaiter.NEW, r2.state); |
1232 |
+ |
assertEquals(LatchAwaiter.DONE, r3.state); |
1233 |
|
} |
1234 |
|
|
1235 |
|
/** |