132 |
|
*/ |
133 |
|
public void testPrestartCoreThread() { |
134 |
|
final ThreadPoolExecutor p = |
135 |
< |
new ThreadPoolExecutor(2, 2, |
135 |
> |
new ThreadPoolExecutor(2, 6, |
136 |
|
LONG_DELAY_MS, MILLISECONDS, |
137 |
|
new ArrayBlockingQueue<Runnable>(10)); |
138 |
< |
assertEquals(0, p.getPoolSize()); |
139 |
< |
assertTrue(p.prestartCoreThread()); |
140 |
< |
assertEquals(1, p.getPoolSize()); |
141 |
< |
assertTrue(p.prestartCoreThread()); |
142 |
< |
assertEquals(2, p.getPoolSize()); |
143 |
< |
assertFalse(p.prestartCoreThread()); |
144 |
< |
assertEquals(2, p.getPoolSize()); |
145 |
< |
joinPool(p); |
138 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
139 |
> |
assertEquals(0, p.getPoolSize()); |
140 |
> |
assertTrue(p.prestartCoreThread()); |
141 |
> |
assertEquals(1, p.getPoolSize()); |
142 |
> |
assertTrue(p.prestartCoreThread()); |
143 |
> |
assertEquals(2, p.getPoolSize()); |
144 |
> |
assertFalse(p.prestartCoreThread()); |
145 |
> |
assertEquals(2, p.getPoolSize()); |
146 |
> |
p.setCorePoolSize(4); |
147 |
> |
assertTrue(p.prestartCoreThread()); |
148 |
> |
assertEquals(3, p.getPoolSize()); |
149 |
> |
assertTrue(p.prestartCoreThread()); |
150 |
> |
assertEquals(4, p.getPoolSize()); |
151 |
> |
assertFalse(p.prestartCoreThread()); |
152 |
> |
assertEquals(4, p.getPoolSize()); |
153 |
> |
} |
154 |
|
} |
155 |
|
|
156 |
|
/** |
1902 |
|
l.add(new StringTask()); |
1903 |
|
l.add(new StringTask()); |
1904 |
|
List<Future<String>> futures = |
1905 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1905 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1906 |
|
assertEquals(2, futures.size()); |
1907 |
|
for (Future<String> future : futures) |
1908 |
|
assertSame(TEST_STRING, future.get()); |
2070 |
|
} |
2071 |
|
} |
2072 |
|
|
2073 |
+ |
/** |
2074 |
+ |
* get(cancelled task) throws CancellationException |
2075 |
+ |
*/ |
2076 |
+ |
public void testGet_cancelled() throws Exception { |
2077 |
+ |
final ExecutorService e = |
2078 |
+ |
new ThreadPoolExecutor(1, 1, |
2079 |
+ |
LONG_DELAY_MS, MILLISECONDS, |
2080 |
+ |
new LinkedBlockingQueue<Runnable>()); |
2081 |
+ |
try { |
2082 |
+ |
final CountDownLatch blockerStarted = new CountDownLatch(1); |
2083 |
+ |
final CountDownLatch done = new CountDownLatch(1); |
2084 |
+ |
final List<Future<?>> futures = new ArrayList<>(); |
2085 |
+ |
for (int i = 0; i < 2; i++) { |
2086 |
+ |
Runnable r = new CheckedRunnable() { public void realRun() |
2087 |
+ |
throws Throwable { |
2088 |
+ |
blockerStarted.countDown(); |
2089 |
+ |
assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS)); |
2090 |
+ |
}}; |
2091 |
+ |
futures.add(e.submit(r)); |
2092 |
+ |
} |
2093 |
+ |
assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
2094 |
+ |
for (Future<?> future : futures) future.cancel(false); |
2095 |
+ |
for (Future<?> future : futures) { |
2096 |
+ |
try { |
2097 |
+ |
future.get(); |
2098 |
+ |
shouldThrow(); |
2099 |
+ |
} catch (CancellationException success) {} |
2100 |
+ |
try { |
2101 |
+ |
future.get(LONG_DELAY_MS, MILLISECONDS); |
2102 |
+ |
shouldThrow(); |
2103 |
+ |
} catch (CancellationException success) {} |
2104 |
+ |
assertTrue(future.isCancelled()); |
2105 |
+ |
assertTrue(future.isDone()); |
2106 |
+ |
} |
2107 |
+ |
done.countDown(); |
2108 |
+ |
} finally { |
2109 |
+ |
joinPool(e); |
2110 |
+ |
} |
2111 |
+ |
} |
2112 |
+ |
|
2113 |
|
} |