141 |
|
*/ |
142 |
|
public void testFixedRateSequence() throws InterruptedException { |
143 |
|
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
144 |
< |
RunnableCounter counter = new RunnableCounter(); |
145 |
< |
ScheduledFuture h = |
146 |
< |
p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS); |
147 |
< |
delay(SMALL_DELAY_MS); |
148 |
< |
h.cancel(true); |
149 |
< |
int c = counter.count.get(); |
150 |
< |
// By time scaling conventions, we must have at least |
151 |
< |
// an execution per SHORT delay, but no more than one SHORT more |
152 |
< |
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
153 |
< |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
154 |
< |
joinPool(p); |
144 |
> |
try { |
145 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
146 |
> |
long startTime = System.nanoTime(); |
147 |
> |
int cycles = 10; |
148 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
149 |
> |
CheckedRunnable task = new CheckedRunnable() { |
150 |
> |
public void realRun() { done.countDown(); }}; |
151 |
> |
|
152 |
> |
ScheduledFuture h = |
153 |
> |
p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
154 |
> |
done.await(); |
155 |
> |
h.cancel(true); |
156 |
> |
double normalizedTime = |
157 |
> |
(double) millisElapsedSince(startTime) / delay; |
158 |
> |
if (normalizedTime >= cycles - 1 && |
159 |
> |
normalizedTime <= cycles) |
160 |
> |
return; |
161 |
> |
} |
162 |
> |
throw new AssertionError("unexpected execution rate"); |
163 |
> |
} finally { |
164 |
> |
joinPool(p); |
165 |
> |
} |
166 |
|
} |
167 |
|
|
168 |
|
/** |
170 |
|
*/ |
171 |
|
public void testFixedDelaySequence() throws InterruptedException { |
172 |
|
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
173 |
< |
RunnableCounter counter = new RunnableCounter(); |
174 |
< |
ScheduledFuture h = |
175 |
< |
p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS); |
176 |
< |
delay(SMALL_DELAY_MS); |
177 |
< |
h.cancel(true); |
178 |
< |
int c = counter.count.get(); |
179 |
< |
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
180 |
< |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
181 |
< |
joinPool(p); |
173 |
> |
try { |
174 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
175 |
> |
long startTime = System.nanoTime(); |
176 |
> |
int cycles = 10; |
177 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
178 |
> |
CheckedRunnable task = new CheckedRunnable() { |
179 |
> |
public void realRun() { done.countDown(); }}; |
180 |
> |
|
181 |
> |
ScheduledFuture h = |
182 |
> |
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
183 |
> |
done.await(); |
184 |
> |
h.cancel(true); |
185 |
> |
double normalizedTime = |
186 |
> |
(double) millisElapsedSince(startTime) / delay; |
187 |
> |
if (normalizedTime >= cycles - 1 && |
188 |
> |
normalizedTime <= cycles) |
189 |
> |
return; |
190 |
> |
} |
191 |
> |
throw new AssertionError("unexpected execution rate"); |
192 |
> |
} finally { |
193 |
> |
joinPool(p); |
194 |
> |
} |
195 |
|
} |
196 |
|
|
197 |
|
/** |