/*
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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 6355327
* @summary DelayQueue iterators should support concurrent modification
* @author Martin Buchholz
*/
import java.io.*;
import java.util.*;
import java.util.concurrent.*;
public class Iterate {
private static class Godot implements Delayed {
public long getDelay(TimeUnit unit) {return Long.MAX_VALUE;}
public int compareTo(Delayed other) {return 0;}
}
private static void realMain(String[] args) throws Throwable {
Godot[] godots = new Godot[] { new Godot(), new Godot(), new Godot() };
DelayQueue<Godot> q = new DelayQueue<Godot>(Arrays.asList(godots));
Iterator<Godot> it = q.iterator();
q.clear();
check(it.hasNext());
equal(it.next(), godots[0]);
it.remove();
check(q.isEmpty());
q.addAll(Arrays.asList(godots));
it = q.iterator();
check(it.hasNext());
it.next();
equal(it.next(), godots[1]);
it.remove();
equal(q.size(), 2);
check(q.contains(godots[0]));
check(q.contains(godots[2]));
}
//--------------------- Infrastructure ---------------------------
static volatile int passed = 0, failed = 0;
static void pass() {passed++;}
static void fail() {failed++; Thread.dumpStack();}
static void fail(String msg) {System.out.println(msg); fail();}
static void unexpected(Throwable t) {failed++; t.printStackTrace();}
static void check(boolean cond) {if (cond) pass(); else fail();}
static 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 {
try {realMain(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");}
}