/*
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* Copyright 2009 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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*/
package org.infinispan.atomic;
import org.infinispan.test.AbstractInfinispanTest;
import org.testng.annotations.Test;
@Test(groups = "unit", testName = "atomic.AtomicHashMapTest")
public class AtomicHashMapTest extends AbstractInfinispanTest {
public void testDeltasWithEmptyMap() {
AtomicHashMap m = new AtomicHashMap();
Delta d = m.delta();
assert d instanceof NullDelta;
AtomicHashMap newMap = new AtomicHashMap();
newMap.initForWriting();
newMap.put("k", "v");
newMap = (AtomicHashMap) d.merge(newMap);
assert newMap.containsKey("k");
assert newMap.size() == 1;
newMap = (AtomicHashMap) d.merge(null);
assert newMap.isEmpty();
}
public void testDeltasWithNoChanges() {
AtomicHashMap m = new AtomicHashMap();
m.initForWriting();
m.put("k1", "v1");
m.commit();
assert m.size() == 1;
Delta d = m.delta();
assert d instanceof NullDelta;
AtomicHashMap newMap = new AtomicHashMap();
newMap.initForWriting();
newMap.put("k", "v");
newMap = (AtomicHashMap) d.merge(newMap);
assert newMap.containsKey("k");
assert newMap.size() == 1;
newMap = (AtomicHashMap) d.merge(null);
assert newMap.isEmpty();
}
public void testDeltasWithRepeatedChanges() {
AtomicHashMap m = new AtomicHashMap();
m.initForWriting();
m.put("k1", "v1");
m.put("k1", "v2");
m.put("k1", "v3");
assert m.size() == 1;
AtomicHashMapDelta d = (AtomicHashMapDelta) m.delta();
assert d.getChangeLogSize() != 0;
AtomicHashMap newMap = new AtomicHashMap();
newMap.initForWriting();
newMap.put("k1", "v4");
newMap = (AtomicHashMap) d.merge(newMap);
assert newMap.containsKey("k1");
assert newMap.get("k1").equals("v3");
assert newMap.size() == 1;
newMap = (AtomicHashMap) d.merge(null);
assert newMap.containsKey("k1");
assert newMap.get("k1").equals("v3");
assert newMap.size() == 1;
}
}