1128 |
|
* executor using CallerRunsPolicy runs task if saturated. |
1129 |
|
*/ |
1130 |
|
public void testSaturatedExecute2() { |
1131 |
– |
RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy(); |
1131 |
|
final ThreadPoolExecutor p = |
1132 |
|
new ThreadPoolExecutor(1, 1, |
1133 |
|
LONG_DELAY_MS, |
1134 |
|
MILLISECONDS, |
1135 |
|
new ArrayBlockingQueue<Runnable>(1), |
1136 |
< |
h); |
1137 |
< |
try { |
1136 |
> |
new ThreadPoolExecutor.CallerRunsPolicy()); |
1137 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1138 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1139 |
> |
Runnable blocker = new CheckedRunnable() { |
1140 |
> |
public void realRun() throws InterruptedException { |
1141 |
> |
done.await(); |
1142 |
> |
}}; |
1143 |
> |
p.execute(blocker); |
1144 |
|
TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
1145 |
< |
for (int i = 0; i < tasks.length; ++i) |
1145 |
> |
for (int i = 0; i < tasks.length; i++) |
1146 |
|
tasks[i] = new TrackedNoOpRunnable(); |
1147 |
< |
TrackedLongRunnable mr = new TrackedLongRunnable(); |
1143 |
< |
p.execute(mr); |
1144 |
< |
for (int i = 0; i < tasks.length; ++i) |
1147 |
> |
for (int i = 0; i < tasks.length; i++) |
1148 |
|
p.execute(tasks[i]); |
1149 |
< |
for (int i = 1; i < tasks.length; ++i) |
1149 |
> |
for (int i = 1; i < tasks.length; i++) |
1150 |
|
assertTrue(tasks[i].done); |
1151 |
< |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1152 |
< |
} finally { |
1150 |
< |
joinPool(p); |
1151 |
> |
assertFalse(tasks[0].done); // waiting in queue |
1152 |
> |
done.countDown(); |
1153 |
|
} |
1154 |
|
} |
1155 |
|
|
1157 |
|
* executor using DiscardPolicy drops task if saturated. |
1158 |
|
*/ |
1159 |
|
public void testSaturatedExecute3() { |
1160 |
< |
RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy(); |
1160 |
> |
final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
1161 |
> |
for (int i = 0; i < tasks.length; ++i) |
1162 |
> |
tasks[i] = new TrackedNoOpRunnable(); |
1163 |
|
final ThreadPoolExecutor p = |
1164 |
|
new ThreadPoolExecutor(1, 1, |
1165 |
< |
LONG_DELAY_MS, MILLISECONDS, |
1166 |
< |
new ArrayBlockingQueue<Runnable>(1), |
1167 |
< |
h); |
1168 |
< |
try { |
1169 |
< |
TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
1170 |
< |
for (int i = 0; i < tasks.length; ++i) |
1171 |
< |
tasks[i] = new TrackedNoOpRunnable(); |
1168 |
< |
p.execute(new TrackedLongRunnable()); |
1165 |
> |
LONG_DELAY_MS, MILLISECONDS, |
1166 |
> |
new ArrayBlockingQueue<Runnable>(1), |
1167 |
> |
new ThreadPoolExecutor.DiscardPolicy()); |
1168 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1169 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1170 |
> |
p.execute(awaiter(done)); |
1171 |
> |
|
1172 |
|
for (TrackedNoOpRunnable task : tasks) |
1173 |
|
p.execute(task); |
1174 |
< |
for (TrackedNoOpRunnable task : tasks) |
1175 |
< |
assertFalse(task.done); |
1176 |
< |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1174 |
< |
} finally { |
1175 |
< |
joinPool(p); |
1174 |
> |
for (int i = 1; i < tasks.length; i++) |
1175 |
> |
assertFalse(tasks[i].done); |
1176 |
> |
done.countDown(); |
1177 |
|
} |
1178 |
+ |
for (int i = 1; i < tasks.length; i++) |
1179 |
+ |
assertFalse(tasks[i].done); |
1180 |
+ |
assertTrue(tasks[0].done); // was waiting in queue |
1181 |
|
} |
1182 |
|
|
1183 |
|
/** |