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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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return new TestSuite(ScheduledExecutorTest.class); |
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} |
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|
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– |
|
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/** |
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* execute successfully executes a runnable |
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*/ |
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public void testExecute() throws InterruptedException { |
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TrackedShortRunnable runnable = new TrackedShortRunnable(); |
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ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
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p1.execute(runnable); |
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assertFalse(runnable.done); |
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Thread.sleep(SHORT_DELAY_MS); |
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try { p1.shutdown(); } catch (SecurityException ok) { return; } |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(runnable.done); |
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try { p1.shutdown(); } catch (SecurityException ok) { return; } |
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joinPool(p1); |
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ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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final CountDownLatch done = new CountDownLatch(1); |
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final Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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}}; |
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try { |
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p.execute(task); |
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assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
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} finally { |
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joinPool(p); |
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} |
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} |
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|
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– |
|
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/** |
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* delayed schedule of callable successfully executes after delay |
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*/ |
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public void testSchedule1() throws Exception { |
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< |
TrackedCallable callable = new TrackedCallable(); |
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< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
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< |
Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(callable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(callable.done); |
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assertEquals(Boolean.TRUE, f.get()); |
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try { p1.shutdown(); } catch (SecurityException ok) { return; } |
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joinPool(p1); |
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ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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final long t0 = System.nanoTime(); |
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final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
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final CountDownLatch done = new CountDownLatch(1); |
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> |
try { |
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Callable task = new CheckedCallable<Boolean>() { |
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public Boolean realCall() { |
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done.countDown(); |
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assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
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return Boolean.TRUE; |
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}}; |
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Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS); |
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assertEquals(Boolean.TRUE, f.get()); |
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assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
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assertTrue(done.await(0L, MILLISECONDS)); |
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} finally { |
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joinPool(p); |
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} |
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} |
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|
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/** |
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* delayed schedule of runnable successfully executes after delay |
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*/ |
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public void testSchedule3() throws InterruptedException { |
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TrackedShortRunnable runnable = new TrackedShortRunnable(); |
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ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
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p1.schedule(runnable, SMALL_DELAY_MS, MILLISECONDS); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertFalse(runnable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(runnable.done); |
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try { p1.shutdown(); } catch (SecurityException ok) { return; } |
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joinPool(p1); |
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* delayed schedule of runnable successfully executes after delay |
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*/ |
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public void testSchedule3() throws Exception { |
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ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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final long t0 = System.nanoTime(); |
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final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
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final CountDownLatch done = new CountDownLatch(1); |
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try { |
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Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
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}}; |
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Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS); |
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assertNull(f.get()); |
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assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
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assertTrue(done.await(0L, MILLISECONDS)); |
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} finally { |
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joinPool(p); |
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} |
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} |
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|
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/** |
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* scheduleAtFixedRate executes runnable after given initial delay |
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*/ |
91 |
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public void testSchedule4() throws InterruptedException { |
92 |
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TrackedShortRunnable runnable = new TrackedShortRunnable(); |
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ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
94 |
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ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(runnable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(runnable.done); |
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h.cancel(true); |
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joinPool(p1); |
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} |
101 |
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|
102 |
< |
static class RunnableCounter implements Runnable { |
103 |
< |
AtomicInteger count = new AtomicInteger(0); |
104 |
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public void run() { count.getAndIncrement(); } |
91 |
> |
public void testSchedule4() throws Exception { |
92 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
93 |
> |
final long t0 = System.nanoTime(); |
94 |
> |
final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
95 |
> |
final CountDownLatch done = new CountDownLatch(1); |
96 |
> |
try { |
97 |
> |
Runnable task = new CheckedRunnable() { |
98 |
> |
public void realRun() { |
99 |
> |
done.countDown(); |
100 |
> |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
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> |
}}; |
102 |
> |
ScheduledFuture f = |
103 |
> |
p.scheduleAtFixedRate(task, SHORT_DELAY_MS, |
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> |
SHORT_DELAY_MS, MILLISECONDS); |
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> |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
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> |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
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> |
f.cancel(true); |
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> |
} finally { |
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> |
joinPool(p); |
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> |
} |
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} |
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|
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/** |
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* scheduleWithFixedDelay executes runnable after given initial delay |
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*/ |
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public void testSchedule5() throws InterruptedException { |
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< |
TrackedShortRunnable runnable = new TrackedShortRunnable(); |
118 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
119 |
< |
ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS); |
120 |
< |
assertFalse(runnable.done); |
121 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
122 |
< |
assertTrue(runnable.done); |
123 |
< |
h.cancel(true); |
124 |
< |
joinPool(p1); |
117 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
118 |
> |
final long t0 = System.nanoTime(); |
119 |
> |
final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
120 |
> |
final CountDownLatch done = new CountDownLatch(1); |
121 |
> |
try { |
122 |
> |
Runnable task = new CheckedRunnable() { |
123 |
> |
public void realRun() { |
124 |
> |
done.countDown(); |
125 |
> |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
126 |
> |
}}; |
127 |
> |
ScheduledFuture f = |
128 |
> |
p.scheduleWithFixedDelay(task, SHORT_DELAY_MS, |
129 |
> |
SHORT_DELAY_MS, MILLISECONDS); |
130 |
> |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
131 |
> |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
132 |
> |
f.cancel(true); |
133 |
> |
} finally { |
134 |
> |
joinPool(p); |
135 |
> |
} |
136 |
> |
} |
137 |
> |
|
138 |
> |
static class RunnableCounter implements Runnable { |
139 |
> |
AtomicInteger count = new AtomicInteger(0); |
140 |
> |
public void run() { count.getAndIncrement(); } |
141 |
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} |
142 |
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|
143 |
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/** |
144 |
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* scheduleAtFixedRate executes series of tasks at given rate |
145 |
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*/ |
146 |
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public void testFixedRateSequence() throws InterruptedException { |
147 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
147 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
148 |
|
RunnableCounter counter = new RunnableCounter(); |
149 |
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ScheduledFuture h = |
150 |
< |
p1.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS); |
151 |
< |
Thread.sleep(SMALL_DELAY_MS); |
150 |
> |
p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS); |
151 |
> |
delay(SMALL_DELAY_MS); |
152 |
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h.cancel(true); |
153 |
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int c = counter.count.get(); |
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// By time scaling conventions, we must have at least |
155 |
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// an execution per SHORT delay, but no more than one SHORT more |
156 |
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assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
157 |
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assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
158 |
< |
joinPool(p1); |
158 |
> |
joinPool(p); |
159 |
|
} |
160 |
|
|
161 |
|
/** |
162 |
|
* scheduleWithFixedDelay executes series of tasks with given period |
163 |
|
*/ |
164 |
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public void testFixedDelaySequence() throws InterruptedException { |
165 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
165 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
166 |
|
RunnableCounter counter = new RunnableCounter(); |
167 |
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ScheduledFuture h = |
168 |
< |
p1.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS); |
169 |
< |
Thread.sleep(SMALL_DELAY_MS); |
168 |
> |
p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS); |
169 |
> |
delay(SMALL_DELAY_MS); |
170 |
|
h.cancel(true); |
171 |
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int c = counter.count.get(); |
172 |
|
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
173 |
|
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
174 |
< |
joinPool(p1); |
174 |
> |
joinPool(p); |
175 |
|
} |
176 |
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|
138 |
– |
|
177 |
|
/** |
178 |
< |
* execute(null) throws NPE |
178 |
> |
* execute(null) throws NPE |
179 |
|
*/ |
180 |
|
public void testExecuteNull() throws InterruptedException { |
181 |
|
ScheduledThreadPoolExecutor se = null; |
237 |
|
/** |
238 |
|
* schedule callable throws RejectedExecutionException if shutdown |
239 |
|
*/ |
240 |
< |
public void testSchedule3_RejectedExecutionException() throws InterruptedException { |
241 |
< |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
242 |
< |
try { |
240 |
> |
public void testSchedule3_RejectedExecutionException() throws InterruptedException { |
241 |
> |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
242 |
> |
try { |
243 |
|
se.shutdown(); |
244 |
|
se.schedule(new NoOpCallable(), |
245 |
|
MEDIUM_DELAY_MS, MILLISECONDS); |
247 |
|
} catch (RejectedExecutionException success) { |
248 |
|
} catch (SecurityException ok) { |
249 |
|
} |
250 |
< |
joinPool(se); |
250 |
> |
joinPool(se); |
251 |
|
} |
252 |
|
|
253 |
|
/** |
254 |
< |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
254 |
> |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
255 |
|
*/ |
256 |
|
public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException { |
257 |
|
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
283 |
|
} |
284 |
|
|
285 |
|
/** |
286 |
< |
* getActiveCount increases but doesn't overestimate, when a |
287 |
< |
* thread becomes active |
286 |
> |
* getActiveCount increases but doesn't overestimate, when a |
287 |
> |
* thread becomes active |
288 |
|
*/ |
289 |
|
public void testGetActiveCount() throws InterruptedException { |
290 |
< |
ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2); |
291 |
< |
assertEquals(0, p2.getActiveCount()); |
292 |
< |
p2.execute(new SmallRunnable()); |
293 |
< |
Thread.sleep(SHORT_DELAY_MS); |
294 |
< |
assertEquals(1, p2.getActiveCount()); |
295 |
< |
joinPool(p2); |
290 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
291 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
292 |
> |
final CountDownLatch done = new CountDownLatch(1); |
293 |
> |
try { |
294 |
> |
assertEquals(0, p.getActiveCount()); |
295 |
> |
p.execute(new CheckedRunnable() { |
296 |
> |
public void realRun() throws InterruptedException { |
297 |
> |
threadStarted.countDown(); |
298 |
> |
assertEquals(1, p.getActiveCount()); |
299 |
> |
done.await(); |
300 |
> |
}}); |
301 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
302 |
> |
assertEquals(1, p.getActiveCount()); |
303 |
> |
} finally { |
304 |
> |
done.countDown(); |
305 |
> |
joinPool(p); |
306 |
> |
} |
307 |
|
} |
308 |
|
|
309 |
|
/** |
310 |
< |
* getCompletedTaskCount increases, but doesn't overestimate, |
311 |
< |
* when tasks complete |
310 |
> |
* getCompletedTaskCount increases, but doesn't overestimate, |
311 |
> |
* when tasks complete |
312 |
|
*/ |
313 |
|
public void testGetCompletedTaskCount() throws InterruptedException { |
314 |
< |
ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2); |
315 |
< |
assertEquals(0, p2.getCompletedTaskCount()); |
316 |
< |
p2.execute(new SmallRunnable()); |
317 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
318 |
< |
assertEquals(1, p2.getCompletedTaskCount()); |
319 |
< |
joinPool(p2); |
314 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
315 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
316 |
> |
final CountDownLatch threadProceed = new CountDownLatch(1); |
317 |
> |
final CountDownLatch threadDone = new CountDownLatch(1); |
318 |
> |
try { |
319 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
320 |
> |
p.execute(new CheckedRunnable() { |
321 |
> |
public void realRun() throws InterruptedException { |
322 |
> |
threadStarted.countDown(); |
323 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
324 |
> |
threadProceed.await(); |
325 |
> |
threadDone.countDown(); |
326 |
> |
}}); |
327 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
328 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
329 |
> |
threadProceed.countDown(); |
330 |
> |
threadDone.await(); |
331 |
> |
delay(SHORT_DELAY_MS); |
332 |
> |
assertEquals(1, p.getCompletedTaskCount()); |
333 |
> |
} finally { |
334 |
> |
joinPool(p); |
335 |
> |
} |
336 |
|
} |
337 |
|
|
338 |
|
/** |
339 |
< |
* getCorePoolSize returns size given in constructor if not otherwise set |
339 |
> |
* getCorePoolSize returns size given in constructor if not otherwise set |
340 |
|
*/ |
341 |
|
public void testGetCorePoolSize() throws InterruptedException { |
342 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
343 |
< |
assertEquals(1, p1.getCorePoolSize()); |
344 |
< |
joinPool(p1); |
342 |
> |
ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
343 |
> |
assertEquals(1, p.getCorePoolSize()); |
344 |
> |
joinPool(p); |
345 |
|
} |
346 |
|
|
347 |
|
/** |
348 |
< |
* getLargestPoolSize increases, but doesn't overestimate, when |
349 |
< |
* multiple threads active |
348 |
> |
* getLargestPoolSize increases, but doesn't overestimate, when |
349 |
> |
* multiple threads active |
350 |
|
*/ |
351 |
|
public void testGetLargestPoolSize() throws InterruptedException { |
352 |
< |
ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2); |
353 |
< |
assertEquals(0, p2.getLargestPoolSize()); |
354 |
< |
p2.execute(new SmallRunnable()); |
355 |
< |
p2.execute(new SmallRunnable()); |
356 |
< |
Thread.sleep(SHORT_DELAY_MS); |
357 |
< |
assertEquals(2, p2.getLargestPoolSize()); |
358 |
< |
joinPool(p2); |
352 |
> |
final int THREADS = 3; |
353 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS); |
354 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
355 |
> |
final CountDownLatch done = new CountDownLatch(1); |
356 |
> |
try { |
357 |
> |
assertEquals(0, p.getLargestPoolSize()); |
358 |
> |
for (int i = 0; i < THREADS; i++) |
359 |
> |
p.execute(new CheckedRunnable() { |
360 |
> |
public void realRun() throws InterruptedException { |
361 |
> |
threadsStarted.countDown(); |
362 |
> |
done.await(); |
363 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
364 |
> |
}}); |
365 |
> |
assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
366 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
367 |
> |
} finally { |
368 |
> |
done.countDown(); |
369 |
> |
joinPool(p); |
370 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
371 |
> |
} |
372 |
|
} |
373 |
|
|
374 |
|
/** |
375 |
< |
* getPoolSize increases, but doesn't overestimate, when threads |
376 |
< |
* become active |
375 |
> |
* getPoolSize increases, but doesn't overestimate, when threads |
376 |
> |
* become active |
377 |
|
*/ |
378 |
|
public void testGetPoolSize() throws InterruptedException { |
379 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
380 |
< |
assertEquals(0, p1.getPoolSize()); |
381 |
< |
p1.execute(new SmallRunnable()); |
382 |
< |
assertEquals(1, p1.getPoolSize()); |
383 |
< |
joinPool(p1); |
379 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
380 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
381 |
> |
final CountDownLatch done = new CountDownLatch(1); |
382 |
> |
try { |
383 |
> |
assertEquals(0, p.getPoolSize()); |
384 |
> |
p.execute(new CheckedRunnable() { |
385 |
> |
public void realRun() throws InterruptedException { |
386 |
> |
threadStarted.countDown(); |
387 |
> |
assertEquals(1, p.getPoolSize()); |
388 |
> |
done.await(); |
389 |
> |
}}); |
390 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
391 |
> |
assertEquals(1, p.getPoolSize()); |
392 |
> |
} finally { |
393 |
> |
done.countDown(); |
394 |
> |
joinPool(p); |
395 |
> |
} |
396 |
|
} |
397 |
|
|
398 |
|
/** |
399 |
< |
* getTaskCount increases, but doesn't overestimate, when tasks |
400 |
< |
* submitted |
399 |
> |
* getTaskCount increases, but doesn't overestimate, when tasks |
400 |
> |
* submitted |
401 |
|
*/ |
402 |
|
public void testGetTaskCount() throws InterruptedException { |
403 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
404 |
< |
assertEquals(0, p1.getTaskCount()); |
405 |
< |
for (int i = 0; i < 5; i++) |
406 |
< |
p1.execute(new SmallRunnable()); |
407 |
< |
Thread.sleep(SHORT_DELAY_MS); |
408 |
< |
assertEquals(5, p1.getTaskCount()); |
409 |
< |
joinPool(p1); |
403 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
404 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
405 |
> |
final CountDownLatch done = new CountDownLatch(1); |
406 |
> |
final int TASKS = 5; |
407 |
> |
try { |
408 |
> |
assertEquals(0, p.getTaskCount()); |
409 |
> |
for (int i = 0; i < TASKS; i++) |
410 |
> |
p.execute(new CheckedRunnable() { |
411 |
> |
public void realRun() throws InterruptedException { |
412 |
> |
threadStarted.countDown(); |
413 |
> |
done.await(); |
414 |
> |
}}); |
415 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
416 |
> |
assertEquals(TASKS, p.getTaskCount()); |
417 |
> |
} finally { |
418 |
> |
done.countDown(); |
419 |
> |
joinPool(p); |
420 |
> |
} |
421 |
|
} |
422 |
|
|
423 |
|
/** |
456 |
|
} |
457 |
|
|
458 |
|
/** |
459 |
< |
* is isShutDown is false before shutdown, true after |
459 |
> |
* isShutdown is false before shutdown, true after |
460 |
|
*/ |
461 |
|
public void testIsShutdown() { |
462 |
|
|
463 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
463 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
464 |
|
try { |
465 |
< |
assertFalse(p1.isShutdown()); |
465 |
> |
assertFalse(p.isShutdown()); |
466 |
|
} |
467 |
|
finally { |
468 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
468 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
469 |
|
} |
470 |
< |
assertTrue(p1.isShutdown()); |
470 |
> |
assertTrue(p.isShutdown()); |
471 |
|
} |
472 |
|
|
372 |
– |
|
473 |
|
/** |
474 |
< |
* isTerminated is false before termination, true after |
474 |
> |
* isTerminated is false before termination, true after |
475 |
|
*/ |
476 |
|
public void testIsTerminated() throws InterruptedException { |
477 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
477 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
478 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
479 |
> |
final CountDownLatch done = new CountDownLatch(1); |
480 |
> |
assertFalse(p.isTerminated()); |
481 |
|
try { |
482 |
< |
p1.execute(new SmallRunnable()); |
482 |
> |
p.execute(new CheckedRunnable() { |
483 |
> |
public void realRun() throws InterruptedException { |
484 |
> |
assertFalse(p.isTerminated()); |
485 |
> |
threadStarted.countDown(); |
486 |
> |
done.await(); |
487 |
> |
}}); |
488 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
489 |
> |
assertFalse(p.isTerminating()); |
490 |
> |
done.countDown(); |
491 |
|
} finally { |
492 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
492 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
493 |
|
} |
494 |
< |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
495 |
< |
assertTrue(p1.isTerminated()); |
494 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
495 |
> |
assertTrue(p.isTerminated()); |
496 |
|
} |
497 |
|
|
498 |
|
/** |
499 |
< |
* isTerminating is not true when running or when terminated |
499 |
> |
* isTerminating is not true when running or when terminated |
500 |
|
*/ |
501 |
|
public void testIsTerminating() throws InterruptedException { |
502 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
503 |
< |
assertFalse(p1.isTerminating()); |
504 |
< |
try { |
505 |
< |
p1.execute(new SmallRunnable()); |
506 |
< |
assertFalse(p1.isTerminating()); |
507 |
< |
} finally { |
508 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
509 |
< |
} |
510 |
< |
|
511 |
< |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
512 |
< |
assertTrue(p1.isTerminated()); |
513 |
< |
assertFalse(p1.isTerminating()); |
502 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
503 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
504 |
> |
final CountDownLatch done = new CountDownLatch(1); |
505 |
> |
try { |
506 |
> |
assertFalse(p.isTerminating()); |
507 |
> |
p.execute(new CheckedRunnable() { |
508 |
> |
public void realRun() throws InterruptedException { |
509 |
> |
assertFalse(p.isTerminating()); |
510 |
> |
threadStarted.countDown(); |
511 |
> |
done.await(); |
512 |
> |
}}); |
513 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
514 |
> |
assertFalse(p.isTerminating()); |
515 |
> |
done.countDown(); |
516 |
> |
} finally { |
517 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
518 |
> |
} |
519 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
520 |
> |
assertTrue(p.isTerminated()); |
521 |
> |
assertFalse(p.isTerminating()); |
522 |
|
} |
523 |
|
|
524 |
|
/** |
525 |
|
* getQueue returns the work queue, which contains queued tasks |
526 |
|
*/ |
527 |
|
public void testGetQueue() throws InterruptedException { |
528 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
529 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
530 |
< |
for (int i = 0; i < 5; i++) { |
412 |
< |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS); |
413 |
< |
} |
528 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
529 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
530 |
> |
final CountDownLatch done = new CountDownLatch(1); |
531 |
|
try { |
532 |
< |
Thread.sleep(SHORT_DELAY_MS); |
533 |
< |
BlockingQueue<Runnable> q = p1.getQueue(); |
534 |
< |
assertTrue(q.contains(tasks[4])); |
532 |
> |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
533 |
> |
for (int i = 0; i < tasks.length; i++) { |
534 |
> |
Runnable r = new CheckedRunnable() { |
535 |
> |
public void realRun() throws InterruptedException { |
536 |
> |
threadStarted.countDown(); |
537 |
> |
done.await(); |
538 |
> |
}}; |
539 |
> |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
540 |
> |
} |
541 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
542 |
> |
BlockingQueue<Runnable> q = p.getQueue(); |
543 |
> |
assertTrue(q.contains(tasks[tasks.length - 1])); |
544 |
|
assertFalse(q.contains(tasks[0])); |
545 |
|
} finally { |
546 |
< |
joinPool(p1); |
546 |
> |
done.countDown(); |
547 |
> |
joinPool(p); |
548 |
|
} |
549 |
|
} |
550 |
|
|
552 |
|
* remove(task) removes queued task, and fails to remove active task |
553 |
|
*/ |
554 |
|
public void testRemove() throws InterruptedException { |
555 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
555 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
556 |
|
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
557 |
< |
for (int i = 0; i < 5; i++) { |
558 |
< |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS); |
432 |
< |
} |
557 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
558 |
> |
final CountDownLatch done = new CountDownLatch(1); |
559 |
|
try { |
560 |
< |
Thread.sleep(SHORT_DELAY_MS); |
561 |
< |
BlockingQueue<Runnable> q = p1.getQueue(); |
562 |
< |
assertFalse(p1.remove((Runnable)tasks[0])); |
560 |
> |
for (int i = 0; i < tasks.length; i++) { |
561 |
> |
Runnable r = new CheckedRunnable() { |
562 |
> |
public void realRun() throws InterruptedException { |
563 |
> |
threadStarted.countDown(); |
564 |
> |
done.await(); |
565 |
> |
}}; |
566 |
> |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
567 |
> |
} |
568 |
> |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
569 |
> |
BlockingQueue<Runnable> q = p.getQueue(); |
570 |
> |
assertFalse(p.remove((Runnable)tasks[0])); |
571 |
|
assertTrue(q.contains((Runnable)tasks[4])); |
572 |
|
assertTrue(q.contains((Runnable)tasks[3])); |
573 |
< |
assertTrue(p1.remove((Runnable)tasks[4])); |
574 |
< |
assertFalse(p1.remove((Runnable)tasks[4])); |
573 |
> |
assertTrue(p.remove((Runnable)tasks[4])); |
574 |
> |
assertFalse(p.remove((Runnable)tasks[4])); |
575 |
|
assertFalse(q.contains((Runnable)tasks[4])); |
576 |
|
assertTrue(q.contains((Runnable)tasks[3])); |
577 |
< |
assertTrue(p1.remove((Runnable)tasks[3])); |
577 |
> |
assertTrue(p.remove((Runnable)tasks[3])); |
578 |
|
assertFalse(q.contains((Runnable)tasks[3])); |
579 |
|
} finally { |
580 |
< |
joinPool(p1); |
580 |
> |
done.countDown(); |
581 |
> |
joinPool(p); |
582 |
|
} |
583 |
|
} |
584 |
|
|
585 |
|
/** |
586 |
< |
* purge removes cancelled tasks from the queue |
586 |
> |
* purge eventually removes cancelled tasks from the queue |
587 |
|
*/ |
588 |
|
public void testPurge() throws InterruptedException { |
589 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
589 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
590 |
|
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
591 |
< |
for (int i = 0; i < 5; i++) { |
592 |
< |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
593 |
< |
} |
591 |
> |
for (int i = 0; i < tasks.length; i++) |
592 |
> |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
593 |
> |
LONG_DELAY_MS, MILLISECONDS); |
594 |
|
try { |
595 |
< |
int max = 5; |
595 |
> |
int max = tasks.length; |
596 |
|
if (tasks[4].cancel(true)) --max; |
597 |
|
if (tasks[3].cancel(true)) --max; |
598 |
|
// There must eventually be an interference-free point at |
599 |
|
// which purge will not fail. (At worst, when queue is empty.) |
600 |
< |
int k; |
601 |
< |
for (k = 0; k < SMALL_DELAY_MS; ++k) { |
602 |
< |
p1.purge(); |
603 |
< |
long count = p1.getTaskCount(); |
604 |
< |
if (count >= 0 && count <= max) |
605 |
< |
break; |
606 |
< |
Thread.sleep(1); |
607 |
< |
} |
473 |
< |
assertTrue(k < SMALL_DELAY_MS); |
600 |
> |
long startTime = System.nanoTime(); |
601 |
> |
do { |
602 |
> |
p.purge(); |
603 |
> |
long count = p.getTaskCount(); |
604 |
> |
if (count == max) |
605 |
> |
return; |
606 |
> |
} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS); |
607 |
> |
fail("Purge failed to remove cancelled tasks"); |
608 |
|
} finally { |
609 |
< |
joinPool(p1); |
609 |
> |
for (ScheduledFuture task : tasks) |
610 |
> |
task.cancel(true); |
611 |
> |
joinPool(p); |
612 |
|
} |
613 |
|
} |
614 |
|
|
615 |
|
/** |
616 |
< |
* shutDownNow returns a list containing tasks that were not run |
616 |
> |
* shutdownNow returns a list containing tasks that were not run |
617 |
|
*/ |
618 |
< |
public void testShutDownNow() throws InterruptedException { |
619 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
618 |
> |
public void testShutdownNow() { |
619 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
620 |
|
for (int i = 0; i < 5; i++) |
621 |
< |
p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
622 |
< |
List l; |
621 |
> |
p.schedule(new SmallPossiblyInterruptedRunnable(), |
622 |
> |
LONG_DELAY_MS, MILLISECONDS); |
623 |
|
try { |
624 |
< |
l = p1.shutdownNow(); |
624 |
> |
List<Runnable> l = p.shutdownNow(); |
625 |
> |
assertTrue(p.isShutdown()); |
626 |
> |
assertEquals(5, l.size()); |
627 |
|
} catch (SecurityException ok) { |
628 |
< |
return; |
628 |
> |
// Allowed in case test doesn't have privs |
629 |
> |
} finally { |
630 |
> |
joinPool(p); |
631 |
|
} |
492 |
– |
assertTrue(p1.isShutdown()); |
493 |
– |
assertTrue(l.size() > 0 && l.size() <= 5); |
494 |
– |
joinPool(p1); |
632 |
|
} |
633 |
|
|
634 |
|
/** |
635 |
|
* In default setting, shutdown cancels periodic but not delayed |
636 |
|
* tasks at shutdown |
637 |
|
*/ |
638 |
< |
public void testShutDown1() throws InterruptedException { |
639 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
640 |
< |
assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
641 |
< |
assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
638 |
> |
public void testShutdown1() throws InterruptedException { |
639 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
640 |
> |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
641 |
> |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
642 |
|
|
643 |
|
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
644 |
< |
for (int i = 0; i < 5; i++) |
645 |
< |
tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
646 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
647 |
< |
BlockingQueue q = p1.getQueue(); |
648 |
< |
for (Iterator it = q.iterator(); it.hasNext();) { |
649 |
< |
ScheduledFuture t = (ScheduledFuture)it.next(); |
650 |
< |
assertFalse(t.isCancelled()); |
651 |
< |
} |
652 |
< |
assertTrue(p1.isShutdown()); |
653 |
< |
Thread.sleep(SMALL_DELAY_MS); |
654 |
< |
for (int i = 0; i < 5; ++i) { |
655 |
< |
assertTrue(tasks[i].isDone()); |
656 |
< |
assertFalse(tasks[i].isCancelled()); |
644 |
> |
for (int i = 0; i < tasks.length; i++) |
645 |
> |
tasks[i] = p.schedule(new NoOpRunnable(), |
646 |
> |
SHORT_DELAY_MS, MILLISECONDS); |
647 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
648 |
> |
BlockingQueue<Runnable> q = p.getQueue(); |
649 |
> |
for (ScheduledFuture task : tasks) { |
650 |
> |
assertFalse(task.isDone()); |
651 |
> |
assertFalse(task.isCancelled()); |
652 |
> |
assertTrue(q.contains(task)); |
653 |
> |
} |
654 |
> |
assertTrue(p.isShutdown()); |
655 |
> |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
656 |
> |
assertTrue(p.isTerminated()); |
657 |
> |
for (ScheduledFuture task : tasks) { |
658 |
> |
assertTrue(task.isDone()); |
659 |
> |
assertFalse(task.isCancelled()); |
660 |
|
} |
661 |
|
} |
662 |
|
|
523 |
– |
|
663 |
|
/** |
664 |
|
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
665 |
|
* delayed tasks are cancelled at shutdown |
666 |
|
*/ |
667 |
< |
public void testShutDown2() throws InterruptedException { |
668 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
669 |
< |
p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
667 |
> |
public void testShutdown2() throws InterruptedException { |
668 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
669 |
> |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
670 |
> |
assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
671 |
> |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
672 |
|
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
673 |
< |
for (int i = 0; i < 5; i++) |
674 |
< |
tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
675 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
676 |
< |
assertTrue(p1.isShutdown()); |
677 |
< |
BlockingQueue q = p1.getQueue(); |
673 |
> |
for (int i = 0; i < tasks.length; i++) |
674 |
> |
tasks[i] = p.schedule(new NoOpRunnable(), |
675 |
> |
SHORT_DELAY_MS, MILLISECONDS); |
676 |
> |
BlockingQueue q = p.getQueue(); |
677 |
> |
assertEquals(tasks.length, q.size()); |
678 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
679 |
> |
assertTrue(p.isShutdown()); |
680 |
|
assertTrue(q.isEmpty()); |
681 |
< |
Thread.sleep(SMALL_DELAY_MS); |
682 |
< |
assertTrue(p1.isTerminated()); |
681 |
> |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
682 |
> |
assertTrue(p.isTerminated()); |
683 |
> |
for (ScheduledFuture task : tasks) { |
684 |
> |
assertTrue(task.isDone()); |
685 |
> |
assertTrue(task.isCancelled()); |
686 |
> |
} |
687 |
|
} |
688 |
|
|
542 |
– |
|
689 |
|
/** |
690 |
|
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
691 |
< |
* periodic tasks are not cancelled at shutdown |
691 |
> |
* periodic tasks are cancelled at shutdown |
692 |
|
*/ |
693 |
< |
public void testShutDown3() throws InterruptedException { |
694 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
695 |
< |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
693 |
> |
public void testShutdown3() throws InterruptedException { |
694 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
695 |
> |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
696 |
> |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
697 |
> |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
698 |
> |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
699 |
> |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
700 |
> |
long initialDelay = LONG_DELAY_MS; |
701 |
|
ScheduledFuture task = |
702 |
< |
p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS); |
703 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
704 |
< |
assertTrue(p1.isShutdown()); |
705 |
< |
BlockingQueue q = p1.getQueue(); |
706 |
< |
assertTrue(q.isEmpty()); |
707 |
< |
Thread.sleep(SHORT_DELAY_MS); |
708 |
< |
assertTrue(p1.isTerminated()); |
702 |
> |
p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay, |
703 |
> |
5, MILLISECONDS); |
704 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
705 |
> |
assertTrue(p.isShutdown()); |
706 |
> |
assertTrue(p.getQueue().isEmpty()); |
707 |
> |
assertTrue(task.isDone()); |
708 |
> |
assertTrue(task.isCancelled()); |
709 |
> |
joinPool(p); |
710 |
|
} |
711 |
|
|
712 |
|
/** |
713 |
|
* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true, |
714 |
< |
* periodic tasks are cancelled at shutdown |
714 |
> |
* periodic tasks are not cancelled at shutdown |
715 |
|
*/ |
716 |
< |
public void testShutDown4() throws InterruptedException { |
717 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
716 |
> |
public void testShutdown4() throws InterruptedException { |
717 |
> |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
718 |
> |
final CountDownLatch counter = new CountDownLatch(2); |
719 |
|
try { |
720 |
< |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
720 |
> |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
721 |
> |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
722 |
> |
assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
723 |
> |
final Runnable r = new CheckedRunnable() { |
724 |
> |
public void realRun() { |
725 |
> |
counter.countDown(); |
726 |
> |
}}; |
727 |
|
ScheduledFuture task = |
728 |
< |
p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS); |
728 |
> |
p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS); |
729 |
> |
assertFalse(task.isDone()); |
730 |
|
assertFalse(task.isCancelled()); |
731 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
731 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
732 |
|
assertFalse(task.isCancelled()); |
733 |
< |
assertFalse(p1.isTerminated()); |
734 |
< |
assertTrue(p1.isShutdown()); |
735 |
< |
Thread.sleep(SHORT_DELAY_MS); |
733 |
> |
assertFalse(p.isTerminated()); |
734 |
> |
assertTrue(p.isShutdown()); |
735 |
> |
assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS)); |
736 |
|
assertFalse(task.isCancelled()); |
737 |
< |
assertTrue(task.cancel(true)); |
737 |
> |
assertTrue(task.cancel(false)); |
738 |
|
assertTrue(task.isDone()); |
739 |
< |
Thread.sleep(SHORT_DELAY_MS); |
740 |
< |
assertTrue(p1.isTerminated()); |
739 |
> |
assertTrue(task.isCancelled()); |
740 |
> |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
741 |
> |
assertTrue(p.isTerminated()); |
742 |
|
} |
743 |
|
finally { |
744 |
< |
joinPool(p1); |
744 |
> |
joinPool(p); |
745 |
|
} |
746 |
|
} |
747 |
|
|
1170 |
|
} |
1171 |
|
} |
1172 |
|
|
1012 |
– |
|
1173 |
|
} |