770 |
|
/** |
771 |
|
* Allows use of try-with-resources with per-test thread pools. |
772 |
|
*/ |
773 |
< |
class PoolCloser<T extends ExecutorService> |
773 |
> |
class PoolCleaner<T extends ExecutorService> |
774 |
|
implements AutoCloseable { |
775 |
|
public final T pool; |
776 |
< |
public PoolCloser(T pool) { this.pool = pool; } |
776 |
> |
public PoolCleaner(T pool) { this.pool = pool; } |
777 |
|
public void close() { joinPool(pool); } |
778 |
|
} |
779 |
|
|
780 |
+ |
<T extends ExecutorService> PoolCleaner<T> cleaner(T pool) { |
781 |
+ |
return new PoolCleaner<T>(pool); |
782 |
+ |
} |
783 |
+ |
|
784 |
|
/** |
785 |
|
* Waits out termination of a thread pool or fails doing so. |
786 |
|
*/ |
813 |
|
* necessarily individually slow because they must block. |
814 |
|
*/ |
815 |
|
void testInParallel(Action ... actions) { |
816 |
< |
try (PoolCloser<ExecutorService> poolCloser |
817 |
< |
= new PoolCloser<>(Executors.newCachedThreadPool())) { |
818 |
< |
ExecutorService pool = poolCloser.pool; |
816 |
> |
try (PoolCleaner<ExecutorService> cleaner |
817 |
> |
= cleaner(Executors.newCachedThreadPool())) { |
818 |
> |
ExecutorService pool = cleaner.pool; |
819 |
|
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
820 |
|
for (final Action action : actions) |
821 |
|
futures.add(pool.submit(new CheckedRunnable() { |