/*
* Copyright 2007, 2008, 2009 Duncan McGregor
*
* This file is part of Rococoa, a library to allow Java to talk to Cocoa.
*
* Rococoa is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rococoa 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Rococoa. If not, see <http://www.gnu.org/licenses/>.
*/
package org.rococoa.internal;
import static org.junit.Assert.assertNull;
import static org.rococoa.test.RococoaTestCase.assertRetainCount;
import org.junit.Test;
import org.rococoa.Foundation;
import org.rococoa.ID;
import org.rococoa.test.RococoaTestCase;
public class AutoreleaseBatcherTest {
static {
RococoaTestCase.initializeLogging();
}
private Throwable thrown;
@Test public void drains() {
AutoreleaseBatcher batcher = new AutoreleaseBatcher(1);
ID idNSObject = Foundation.cfRetain(autoreleasedObject());
assertRetainCount(2, idNSObject);
batcher.operate();
assertRetainCount(1, idNSObject);
}
@Test public void batches() {
AutoreleaseBatcher batcher = new AutoreleaseBatcher(2);
ID idNSObject = Foundation.cfRetain(autoreleasedObject());
assertRetainCount(2, idNSObject);
batcher.operate();
assertRetainCount(2, idNSObject);
batcher.operate();
assertRetainCount(1, idNSObject);
}
@Test public void resets() {
AutoreleaseBatcher batcher = new AutoreleaseBatcher(1);
ID idNSObject1 = Foundation.cfRetain(autoreleasedObject());
assertRetainCount(2, idNSObject1);
batcher.operate();
assertRetainCount(1, idNSObject1);
ID idNSObject2 = Foundation.cfRetain(autoreleasedObject());
assertRetainCount(2, idNSObject2);
batcher.operate();
assertRetainCount(1, idNSObject2);
}
@Test public void threadLocal() {
AutoreleaseBatcher.forThread(1);
ID idNSObject = Foundation.cfRetain(autoreleasedObject());
assertRetainCount(2, idNSObject);
AutoreleaseBatcher.forThread(1).operate();
assertRetainCount(1, idNSObject);
}
@Test public void threadLocal2Threads() throws InterruptedException {
AutoreleaseBatcher.forThread(1);
ID idNSObject = Foundation.cfRetain(autoreleasedObject());
assertRetainCount(2, idNSObject);
Thread thread = new Thread() {
public void run() {
try {
AutoreleaseBatcher.forThread(1);
ID idNSObject = Foundation.cfRetain(autoreleasedObject());
assertRetainCount(2, idNSObject);
AutoreleaseBatcher.forThread(1).operate();
assertRetainCount(1, idNSObject);
} catch (Throwable t) {
thrown = t;
}
}};
thread.run();
thread.join();
AutoreleaseBatcher.forThread(1).operate();
assertRetainCount(1, idNSObject);
assertNull(thrown);
}
private ID autoreleasedObject() {
ID idNSObject = Foundation.sendReturnsID(Foundation.getClass("NSObject"), "new");
return Foundation.sendReturnsID(idNSObject, "autorelease");
}
}