undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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189
test/jdk/java/util/Timer/Args.java
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189
test/jdk/java/util/Timer/Args.java
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@ -0,0 +1,189 @@
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/*
|
||||
* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License version 2 only, as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This code is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* version 2 for more details (a copy is included in the LICENSE file that
|
||||
* accompanied this code).
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License version
|
||||
* 2 along with this work; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
||||
* or visit www.oracle.com if you need additional information or have any
|
||||
* questions.
|
||||
*/
|
||||
|
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/*
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* @test
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* @bug 6571655 6571881 6574585 6571297
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* @summary Test various args to task scheduling methods
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*/
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import java.util.*;
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import java.util.concurrent.*;
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import static java.util.concurrent.TimeUnit.*;
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public class Args {
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static final long DELAY_MS = 30 * 1000L;
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void schedule(final Timer t, final TimerTask task, final Date d) {
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t.schedule(task, d);
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assertThrows
|
||||
(IllegalStateException.class,
|
||||
() -> t.schedule(task, d));
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||||
}
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||||
|
||||
void schedule(final Timer t, final TimerTask task, final Date d, final
|
||||
long period) {
|
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t.schedule(task, d, period);
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assertThrows
|
||||
(IllegalStateException.class,
|
||||
() -> t.schedule(task, d, period));
|
||||
}
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||||
|
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void scheduleAtFixedRate(final Timer t, final TimerTask task, final
|
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Date d, final long period) {
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t.scheduleAtFixedRate(task, d, period);
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assertThrows
|
||||
(IllegalStateException.class,
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||||
() -> t.scheduleAtFixedRate(task, d, period));
|
||||
}
|
||||
|
||||
TimerTask counter(final CountDownLatch latch) {
|
||||
return new TimerTask() { public void run() {
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if (latch.getCount() == 0)
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||||
fail(String.format("Latch counted down too many times: " +
|
||||
latch));
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latch.countDown();
|
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}};
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}
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|
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TimerTask nop() {
|
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return new TimerTask() { public void run() { }};
|
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}
|
||||
|
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void test(String[] args) throws Throwable {
|
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final Timer t = new Timer();
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try {
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test(t);
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} finally {
|
||||
// Ensure this test doesn't interfere with subsequent
|
||||
// tests even in case of failure.
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t.cancel();
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||||
}
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||||
|
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// Attempts to schedule tasks on a cancelled Timer result in ISE.
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|
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final Date past = new Date(System.currentTimeMillis() - DELAY_MS);
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final Date future = new Date(System.currentTimeMillis() + DELAY_MS);
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assertThrows
|
||||
(IllegalStateException.class,
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() -> t.schedule(nop(), 42),
|
||||
() -> t.schedule(nop(), 42),
|
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() -> t.schedule(nop(), past),
|
||||
() -> t.schedule(nop(), 42, 42),
|
||||
() -> t.schedule(nop(), past, 42),
|
||||
() -> t.scheduleAtFixedRate(nop(), 42, 42),
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||||
() -> t.scheduleAtFixedRate(nop(), past, 42),
|
||||
() -> t.scheduleAtFixedRate(nop(), future, 42));
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}
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||||
|
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void test(Timer t) throws Throwable {
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final TimerTask x = new TimerTask() { public void run() {}};
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||||
assertThrows
|
||||
(IllegalArgumentException.class,
|
||||
() -> t.schedule(x, -42),
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||||
() -> t.schedule(x, new Date(-42)),
|
||||
|
||||
() -> t.schedule(x, Long.MAX_VALUE),
|
||||
() -> t.schedule(x, -42, 42),
|
||||
() -> t.schedule(x, new Date(-42), 42),
|
||||
() -> t.schedule(x, Long.MAX_VALUE, 42),
|
||||
() -> t.schedule(x, 42, 0),
|
||||
() -> t.schedule(x, new Date(42), 0),
|
||||
() -> t.schedule(x, 42, -42),
|
||||
() -> t.schedule(x, new Date(42), -42),
|
||||
|
||||
() -> t.scheduleAtFixedRate(x, -42, 42),
|
||||
() -> t.scheduleAtFixedRate(x, new Date(-42), 42),
|
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() -> t.scheduleAtFixedRate(x, Long.MAX_VALUE, 42),
|
||||
() -> t.scheduleAtFixedRate(x, 42, 0),
|
||||
() -> t.scheduleAtFixedRate(x, new Date(42), 0),
|
||||
() -> t.scheduleAtFixedRate(x, 42, -42),
|
||||
() -> t.scheduleAtFixedRate(x, new Date(42), -42));
|
||||
|
||||
assertThrows
|
||||
(NullPointerException.class,
|
||||
() -> t.schedule(null, 42),
|
||||
() -> t.schedule(x, (Date)null),
|
||||
|
||||
() -> t.schedule(null, 42, 42),
|
||||
() -> t.schedule(x, (Date)null, 42),
|
||||
|
||||
() -> t.scheduleAtFixedRate(null, 42, 42),
|
||||
() -> t.scheduleAtFixedRate(x, (Date)null, 42));
|
||||
|
||||
// Create local classes for clearer diagnostics in case of failure
|
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class OneShotLatch extends CountDownLatch {
|
||||
OneShotLatch() { super(1); }
|
||||
}
|
||||
class FixedDelayLatch extends CountDownLatch {
|
||||
FixedDelayLatch() { super(1); }
|
||||
}
|
||||
class FixedRateLatch extends CountDownLatch {
|
||||
FixedRateLatch() { super(11); }
|
||||
}
|
||||
final CountDownLatch y1 = new OneShotLatch();
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final CountDownLatch y2 = new FixedDelayLatch();
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||||
final CountDownLatch y3 = new FixedRateLatch();
|
||||
|
||||
final long start = System.currentTimeMillis();
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final Date past = new Date(start - (10 * DELAY_MS + DELAY_MS / 2));
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|
||||
schedule( t, counter(y1), past);
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||||
schedule( t, counter(y2), past, DELAY_MS);
|
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scheduleAtFixedRate(t, counter(y3), past, DELAY_MS);
|
||||
|
||||
check(y1.await(DELAY_MS / 4, MILLISECONDS));
|
||||
check(y2.await(DELAY_MS / 4, MILLISECONDS));
|
||||
check(y3.await(DELAY_MS / 4, MILLISECONDS));
|
||||
|
||||
final long elapsed = System.currentTimeMillis() - start;
|
||||
if (elapsed >= DELAY_MS / 2)
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||||
fail(String.format("Test took too long: elapsed=%d%n",
|
||||
elapsed));
|
||||
}
|
||||
|
||||
//--------------------- Infrastructure ---------------------------
|
||||
volatile int passed = 0, failed = 0;
|
||||
void pass() {passed++;}
|
||||
void fail() {failed++; Thread.dumpStack();}
|
||||
void fail(String msg) {System.err.println(msg); fail();}
|
||||
void unexpected(Throwable t) {failed++; t.printStackTrace();}
|
||||
void check(boolean cond) {if (cond) pass(); else fail();}
|
||||
void equal(Object x, Object y) {
|
||||
if (x == null ? y == null : x.equals(y)) pass();
|
||||
else fail(x + " not equal to " + y);}
|
||||
public static void main(String[] args) throws Throwable {
|
||||
new Args().instanceMain(args);}
|
||||
void instanceMain(String[] args) throws Throwable {
|
||||
try {test(args);} catch (Throwable t) {unexpected(t);}
|
||||
System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
|
||||
if (failed > 0) throw new AssertionError("Some tests failed");}
|
||||
interface F { void f() throws Throwable; }
|
||||
void assertThrows(Class<? extends Throwable> k, F... fs) {
|
||||
for (F f : fs)
|
||||
try {f.f(); fail("Expected " + k.getName() + " not thrown");}
|
||||
catch (Throwable t) {
|
||||
if (k.isAssignableFrom(t.getClass())) pass();
|
||||
else unexpected(t);}}
|
||||
}
|
||||
|
||||
84
test/jdk/java/util/Timer/AutoStop.java
Normal file
84
test/jdk/java/util/Timer/AutoStop.java
Normal file
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|
@ -0,0 +1,84 @@
|
|||
/*
|
||||
* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License version 2 only, as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This code is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* version 2 for more details (a copy is included in the LICENSE file that
|
||||
* accompanied this code).
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License version
|
||||
* 2 along with this work; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
||||
* or visit www.oracle.com if you need additional information or have any
|
||||
* questions.
|
||||
*/
|
||||
|
||||
/*
|
||||
* @test
|
||||
* @bug 8263903
|
||||
* @requires vm.gc != "Epsilon"
|
||||
* @summary Discarding a Timer causes the Timer thread to stop.
|
||||
*/
|
||||
|
||||
import java.util.Timer;
|
||||
import java.util.TimerTask;
|
||||
import java.lang.ref.Reference;
|
||||
|
||||
public class AutoStop {
|
||||
static final Object wakeup = new Object();
|
||||
static Thread tdThread = null;
|
||||
static volatile int counter = 0;
|
||||
static final int COUNTER_LIMIT = 10;
|
||||
|
||||
public static void main(String[] args) throws Exception {
|
||||
Timer t = new Timer();
|
||||
|
||||
// Run an event that records the timer thread.
|
||||
t.schedule(new TimerTask() {
|
||||
public void run() {
|
||||
synchronized(wakeup) {
|
||||
tdThread = Thread.currentThread();
|
||||
wakeup.notify();
|
||||
}
|
||||
}
|
||||
}, 0);
|
||||
|
||||
// Wait for the thread to be accessible.
|
||||
try {
|
||||
synchronized(wakeup) {
|
||||
while (tdThread == null) {
|
||||
wakeup.wait();
|
||||
}
|
||||
}
|
||||
} catch (InterruptedException e) {
|
||||
}
|
||||
|
||||
// Schedule some events that increment the counter.
|
||||
for (int i = 0; i < COUNTER_LIMIT; ++i) {
|
||||
t.schedule(new TimerTask() {
|
||||
public void run() {
|
||||
++counter;
|
||||
}
|
||||
}, 100);
|
||||
}
|
||||
|
||||
// Ensure the timer is accessible at least until here.
|
||||
Reference.reachabilityFence(t);
|
||||
t = null; // Remove the reference to the timer.
|
||||
System.gc(); // Run GC to trigger cleanup.
|
||||
tdThread.join(); // Wait for thread to stop.
|
||||
int finalCounter = counter;
|
||||
if (finalCounter != COUNTER_LIMIT) {
|
||||
throw new RuntimeException("Unrun events: counter = " + finalCounter);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
116
test/jdk/java/util/Timer/DelayOverflow.java
Normal file
116
test/jdk/java/util/Timer/DelayOverflow.java
Normal file
|
|
@ -0,0 +1,116 @@
|
|||
/*
|
||||
* Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License version 2 only, as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This code is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* version 2 for more details (a copy is included in the LICENSE file that
|
||||
* accompanied this code).
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License version
|
||||
* 2 along with this work; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
||||
* or visit www.oracle.com if you need additional information or have any
|
||||
* questions.
|
||||
*/
|
||||
|
||||
/*
|
||||
* @test
|
||||
* @bug 6730507
|
||||
* @summary java.util.Timer schedule delay Long.MAX_VALUE causes task to execute multiple times
|
||||
* @author Chris Hegarty
|
||||
* @author Martin Buchholz
|
||||
* @key randomness
|
||||
*/
|
||||
|
||||
import java.util.Date;
|
||||
import java.util.Timer;
|
||||
import java.util.TimerTask;
|
||||
import java.util.concurrent.*;
|
||||
import java.util.concurrent.atomic.AtomicInteger;
|
||||
|
||||
public class DelayOverflow
|
||||
{
|
||||
void scheduleNow(Timer timer, TimerTask task, int how) {
|
||||
switch (how) {
|
||||
case 0 :
|
||||
timer.schedule(task, new Date(), Long.MAX_VALUE);
|
||||
break;
|
||||
case 1:
|
||||
timer.schedule(task, 0L, Long.MAX_VALUE);
|
||||
break;
|
||||
case 2:
|
||||
timer.scheduleAtFixedRate(task, new Date(), Long.MAX_VALUE);
|
||||
break;
|
||||
case 3:
|
||||
timer.scheduleAtFixedRate(task, 0L, Long.MAX_VALUE);
|
||||
break;
|
||||
default:
|
||||
fail(String.valueOf(how));
|
||||
}
|
||||
}
|
||||
|
||||
void sleep(long millis) {
|
||||
try { Thread.sleep(millis); }
|
||||
catch (Throwable t) { unexpected(t); }
|
||||
}
|
||||
|
||||
/** Checks that scheduledExecutionTime returns a "recent" time. */
|
||||
void checkScheduledExecutionTime(TimerTask task) {
|
||||
long t = System.currentTimeMillis()
|
||||
- task.scheduledExecutionTime();
|
||||
check(t >= 0 && t < 1000 * 600);
|
||||
}
|
||||
|
||||
void test(String[] args) throws Throwable {
|
||||
for (int how=0; how<4; how++) {
|
||||
final CountDownLatch done = new CountDownLatch(1);
|
||||
final AtomicInteger count = new AtomicInteger(0);
|
||||
final Timer timer = new Timer();
|
||||
final TimerTask task = new TimerTask() {
|
||||
@Override
|
||||
public void run() {
|
||||
checkScheduledExecutionTime(this);
|
||||
count.incrementAndGet();
|
||||
done.countDown();
|
||||
}};
|
||||
|
||||
scheduleNow(timer, task, how);
|
||||
done.await();
|
||||
equal(count.get(), 1);
|
||||
checkScheduledExecutionTime(task);
|
||||
if (new java.util.Random().nextBoolean())
|
||||
sleep(10);
|
||||
check(task.cancel());
|
||||
timer.cancel();
|
||||
checkScheduledExecutionTime(task);
|
||||
}
|
||||
}
|
||||
|
||||
//--------------------- Infrastructure ---------------------------
|
||||
volatile int passed = 0, failed = 0;
|
||||
void pass() {passed++;}
|
||||
void fail() {failed++; Thread.dumpStack();}
|
||||
void fail(String msg) {System.err.println(msg); fail();}
|
||||
void unexpected(Throwable t) {failed++; t.printStackTrace();}
|
||||
void check(boolean cond) {if (cond) pass(); else fail();}
|
||||
void equal(Object x, Object y) {
|
||||
if (x == null ? y == null : x.equals(y)) pass();
|
||||
else fail(x + " not equal to " + y);}
|
||||
public static void main(String[] args) throws Throwable {
|
||||
Class<?> k = new Object(){}.getClass().getEnclosingClass();
|
||||
try {k.getMethod("instanceMain",String[].class)
|
||||
.invoke( k.newInstance(), (Object) args);}
|
||||
catch (Throwable e) {throw e.getCause();}}
|
||||
public void instanceMain(String[] args) throws Throwable {
|
||||
try {test(args);} catch (Throwable t) {unexpected(t);}
|
||||
System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
|
||||
if (failed > 0) throw new AssertionError("Some tests failed");}
|
||||
}
|
||||
67
test/jdk/java/util/Timer/KillThread.java
Normal file
67
test/jdk/java/util/Timer/KillThread.java
Normal file
|
|
@ -0,0 +1,67 @@
|
|||
/*
|
||||
* Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License version 2 only, as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This code is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* version 2 for more details (a copy is included in the LICENSE file that
|
||||
* accompanied this code).
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License version
|
||||
* 2 along with this work; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
||||
* or visit www.oracle.com if you need additional information or have any
|
||||
* questions.
|
||||
*/
|
||||
|
||||
/*
|
||||
* @test
|
||||
* @bug 4288198
|
||||
* @summary Killing a Timer thread causes the Timer to fail silently on
|
||||
* subsequent use.
|
||||
*/
|
||||
|
||||
import java.util.*;
|
||||
|
||||
public class KillThread {
|
||||
static volatile Thread tdThread;
|
||||
public static void main (String[] args) throws Exception {
|
||||
Timer t = new Timer();
|
||||
|
||||
// Start a mean event that kills the timer thread
|
||||
t.schedule(new TimerTask() {
|
||||
public void run() {
|
||||
tdThread = Thread.currentThread();
|
||||
throw new ThreadDeath();
|
||||
}
|
||||
}, 0);
|
||||
|
||||
// Wait for mean event to do the deed and thread to die.
|
||||
try {
|
||||
do {
|
||||
Thread.sleep(100);
|
||||
} while(tdThread == null);
|
||||
} catch(InterruptedException e) {
|
||||
}
|
||||
tdThread.join();
|
||||
|
||||
// Try to start another event
|
||||
try {
|
||||
// Timer thread is dead now
|
||||
t.schedule(new TimerTask() {
|
||||
public void run() {
|
||||
}
|
||||
}, 0);
|
||||
throw new Exception("We failed silently");
|
||||
} catch(IllegalStateException e) {
|
||||
// Killing the Timer thread is equivalent to cancelling the Timer
|
||||
}
|
||||
}
|
||||
}
|
||||
64
test/jdk/java/util/Timer/NameConstructors.java
Normal file
64
test/jdk/java/util/Timer/NameConstructors.java
Normal file
|
|
@ -0,0 +1,64 @@
|
|||
/*
|
||||
* Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License version 2 only, as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This code is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* version 2 for more details (a copy is included in the LICENSE file that
|
||||
* accompanied this code).
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License version
|
||||
* 2 along with this work; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
||||
* or visit www.oracle.com if you need additional information or have any
|
||||
* questions.
|
||||
*/
|
||||
|
||||
/*
|
||||
* @test
|
||||
* @bug 4279061 8056313
|
||||
* @summary Basic test for constructors with thread name
|
||||
*/
|
||||
|
||||
import java.util.Timer;
|
||||
import java.util.TimerTask;
|
||||
import java.util.concurrent.LinkedTransferQueue;
|
||||
|
||||
public class NameConstructors {
|
||||
private static final String NAME1 = "Norm D. Plume";
|
||||
private static final String NAME2 = "Ann Onymous";
|
||||
|
||||
public static void main (String[] args) throws InterruptedException {
|
||||
test(new Timer(NAME1), NAME1);
|
||||
test(new Timer(NAME2, true), NAME2);
|
||||
}
|
||||
|
||||
public static void test(Timer timer, String expected) throws InterruptedException {
|
||||
try {
|
||||
LinkedTransferQueue<String> queue = new LinkedTransferQueue<>();
|
||||
|
||||
TimerTask task = new TimerTask() {
|
||||
public void run() {
|
||||
queue.put(Thread.currentThread().getName());
|
||||
}
|
||||
};
|
||||
|
||||
timer.schedule(task, 0L); // immediately
|
||||
String actual = queue.take();
|
||||
|
||||
if (!expected.equals(actual)) {
|
||||
throw new AssertionError(
|
||||
String.format("expected='%s', actual='%s'", expected, actual));
|
||||
}
|
||||
} finally {
|
||||
timer.cancel();
|
||||
}
|
||||
}
|
||||
}
|
||||
58
test/jdk/java/util/Timer/Purge.java
Normal file
58
test/jdk/java/util/Timer/Purge.java
Normal file
|
|
@ -0,0 +1,58 @@
|
|||
/*
|
||||
* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License version 2 only, as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This code is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* version 2 for more details (a copy is included in the LICENSE file that
|
||||
* accompanied this code).
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License version
|
||||
* 2 along with this work; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
||||
* or visit www.oracle.com if you need additional information or have any
|
||||
* questions.
|
||||
*/
|
||||
|
||||
/*
|
||||
* @test
|
||||
* @bug 4481072
|
||||
* @summary Basic test for purge method
|
||||
* @key randomness
|
||||
*/
|
||||
|
||||
import java.util.*;
|
||||
|
||||
public class Purge {
|
||||
public static void main (String[] args) {
|
||||
Random rnd = new Random();
|
||||
Timer timer = new Timer();
|
||||
int cancelled = 0;
|
||||
for (long i = 1; i <= 1000; i++) {
|
||||
TimerTask task = new TimerTask() {
|
||||
public void run() {
|
||||
System.out.println("How come no one ever calls me?");
|
||||
}
|
||||
};
|
||||
timer.schedule(task, i * 60*60*1000); // i hrs. hence.
|
||||
if (i != 1 && rnd.nextBoolean()) {
|
||||
task.cancel();
|
||||
cancelled++;
|
||||
}
|
||||
}
|
||||
int purged = timer.purge();
|
||||
if (purged != cancelled)
|
||||
throw new RuntimeException(purged + " != " + cancelled);
|
||||
purged = timer.purge();
|
||||
if (purged != 0)
|
||||
throw new RuntimeException(purged + " nonzero");
|
||||
timer.cancel();
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue