/*
* Copyright (C) 2012 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package libcore.java.util;
import java.io.Serializable;
import java.util.AbstractCollection;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.ConcurrentHashMap;
import junit.framework.TestCase;
public final class AbstractCollectionTest extends TestCase {
// http://code.google.com/p/android/issues/detail?id=36519
public void test_toArray() throws Exception {
final ConcurrentHashMap<Integer, Integer> m = new ConcurrentHashMap<Integer, Integer>();
final AtomicBoolean finished = new AtomicBoolean(false);
Thread reader = new Thread(new Runnable() {
@Override public void run() {
while (!finished.get()) {
m.values().toArray();
m.values().toArray(new Integer[m.size()]);
}
}
});
Thread mutator = new Thread(new Runnable() {
@Override public void run() {
for (int i = 0; i < 100; ++i) {
m.put(-i, -i);
}
for (int i = 0; i < 4096; ++i) {
m.put(i, i);
m.remove(i);
}
finished.set(true);
}
});
reader.start();
mutator.start();
reader.join();
mutator.join();
}
}