/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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*
* 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.
*
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*/
/*
* @test
* @bug 6571655 6571881 6574585 6571297
* @summary Test various args to task scheduling methods
*/
import java.util.*;
import java.util.concurrent.*;
public class Args {
void schedule(final Timer t, final TimerTask task, final Date d) {
t.schedule(task, d);
THROWS(IllegalStateException.class,
new F(){void f(){ t.schedule(task, d); }});
}
void schedule(final Timer t, final TimerTask task, final Date d, final long period) {
t.schedule(task, d, period);
THROWS(IllegalStateException.class,
new F(){void f(){ t.schedule(task, d, period); }});
}
void scheduleAtFixedRate(final Timer t, final TimerTask task, final Date d, final long period) {
t.scheduleAtFixedRate(task, d, period);
THROWS(IllegalStateException.class,
new F(){void f(){ t.scheduleAtFixedRate(task, d, period); }});
}
TimerTask counter(final CountDownLatch latch) {
return new TimerTask() { public void run() {
check(latch.getCount() > 0);
latch.countDown();
}};
}
void test(String[] args) throws Throwable {
final Timer t = new Timer();
final TimerTask x = new TimerTask() { public void run() {}};
THROWS(IllegalArgumentException.class,
new F(){void f(){ t.schedule(x, -42); }},
new F(){void f(){ t.schedule(x, new Date(-42)); }},
new F(){void f(){ t.schedule(x, Long.MAX_VALUE); }},
new F(){void f(){ t.schedule(x, -42, 42); }},
new F(){void f(){ t.schedule(x, new Date(-42), 42); }},
new F(){void f(){ t.schedule(x, Long.MAX_VALUE, 42); }},
new F(){void f(){ t.schedule(x, 42, 0); }},
new F(){void f(){ t.schedule(x, new Date(42), 0); }},
new F(){void f(){ t.schedule(x, 42, -42); }},
new F(){void f(){ t.schedule(x, new Date(42), -42); }},
new F(){void f(){ t.scheduleAtFixedRate(x, -42, 42); }},
new F(){void f(){ t.scheduleAtFixedRate(x, new Date(-42), 42); }},
new F(){void f(){ t.scheduleAtFixedRate(x, Long.MAX_VALUE, 42); }},
new F(){void f(){ t.scheduleAtFixedRate(x, 42, 0); }},
new F(){void f(){ t.scheduleAtFixedRate(x, new Date(42), 0); }},
new F(){void f(){ t.scheduleAtFixedRate(x, 42, -42); }},
new F(){void f(){ t.scheduleAtFixedRate(x, new Date(42), -42); }}
);
THROWS(NullPointerException.class,
new F(){void f(){ t.schedule(null, 42); }},
new F(){void f(){ t.schedule(x, (Date)null); }},
new F(){void f(){ t.schedule(null, 42, 42); }},
new F(){void f(){ t.schedule(x, (Date)null, 42); }},
new F(){void f(){ t.scheduleAtFixedRate(null, 42, 42); }},
new F(){void f(){ t.scheduleAtFixedRate(x, (Date)null, 42); }}
);
final CountDownLatch y1 = new CountDownLatch(1);
final CountDownLatch y2 = new CountDownLatch(1);
final CountDownLatch y3 = new CountDownLatch(11);
final long start = System.currentTimeMillis();
final Date past = new Date(start - 10500);
schedule( t, counter(y1), past);
schedule( t, counter(y2), past, 1000);
scheduleAtFixedRate(t, counter(y3), past, 1000);
y3.await();
y1.await();
y2.await();
final long elapsed = System.currentTimeMillis() - start;
System.out.printf("elapsed=%d%n", elapsed);
check(elapsed < 500);
t.cancel();
THROWS(IllegalStateException.class,
new F(){void f(){ t.schedule(x, 42); }},
new F(){void f(){ t.schedule(x, past); }},
new F(){void f(){ t.schedule(x, 42, 42); }},
new F(){void f(){ t.schedule(x, past, 42); }},
new F(){void f(){ t.scheduleAtFixedRate(x, 42, 42); }},
new F(){void f(){ t.scheduleAtFixedRate(x, past, 42); }});
}
//--------------------- 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");}
abstract class F {abstract void f() throws Throwable;}
void THROWS(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);}}
}