/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* 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 com.hazelcast.collection;
import com.hazelcast.config.Config;
import com.hazelcast.config.SetConfig;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.ISet;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestHazelcastInstanceFactory;
import com.hazelcast.test.annotation.ClientCompatibleTest;
import com.hazelcast.test.annotation.QuickTest;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
@RunWith(HazelcastParallelClassRunner.class)
@Category(QuickTest.class)
public class SetTest extends HazelcastTestSupport {
// ======================== isEmpty test ============================
@Test
public void testIsEmpty_whenEmpty() {
ISet set = newSet();
assertTrue(set.isEmpty());
}
@Test
public void testIsEmpty_whenNotEmpty() {
ISet set = newSet();
set.add("item1");
assertFalse(set.isEmpty());
}
// ======================== add - addAll test =======================
@Test
public void testAdd() {
ISet set = newSet();
for (int i = 1; i <= 10; i++) {
assertTrue(set.add("item" + i));
}
assertEquals(10, set.size());
}
@Test
public void testAdd_withMaxCapacity() {
ISet set = newSetWithMaxSize(1);
set.add("item");
for (int i = 1; i <= 10; i++) {
assertFalse(set.add("item" + i));
}
assertEquals(1, set.size());
}
@Test(expected = NullPointerException.class)
public void testAddNull() {
ISet set = newSet();
set.add(null);
}
@Test
public void testAddAll_Basic() {
Set added = new HashSet();
ISet set = newSet();
added.add("item1");
added.add("item2");
set.addAll(added);
assertEquals(2, set.size());
}
@Test
public void testAddAll_whenAllElementsSame() {
Set added = new HashSet();
ISet set = newSet();
for (int i = 1; i <= 10; i++) {
added.add("item");
}
set.addAll(added);
assertEquals(1, set.size());
}
@Test
public void testAddAll_whenCollectionContainsNull() {
Set added = new HashSet();
ISet set = newSet();
added.add("item1");
added.add(null);
try {
assertFalse(set.addAll(added));
} catch (NullPointerException e) {
}
assertEquals(0, set.size());
}
// ======================== remove - removeAll ==========================
@Test
public void testRemoveBasic() {
ISet set = newSet();
set.add("item1");
assertTrue(set.remove("item1"));
assertEquals(0, set.size());
}
@Test
public void testRemove_whenElementNotExist() {
ISet set = newSet();
set.add("item1");
assertFalse(set.remove("notExist"));
assertEquals(1, set.size());
}
@Test(expected = NullPointerException.class)
public void testRemove_whenArgumentNull() {
ISet set = newSet();
set.remove(null);
}
@Test
public void testRemoveAll() {
ISet set = newSet();
Set removed = new HashSet();
for (int i = 1; i <= 10; i++) {
set.add("item" + i);
removed.add("item" + i);
}
set.removeAll(removed);
assertEquals(0, set.size());
}
// ======================== iterator ==========================
@Test
public void testIterator() {
ISet set = newSet();
set.add("item");
Iterator iterator = set.iterator();
assertEquals("item", iterator.next());
assertFalse(iterator.hasNext());
}
@Test(expected = UnsupportedOperationException.class)
@ClientCompatibleTest
public void testIteratorRemoveThrowsUnsupportedOperationException() {
Config config = new Config();
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(1);
HazelcastInstance instance1 = factory.newHazelcastInstance(config);
ISet set = instance1.getSet("defSet");
set.add("item");
Iterator iterator = set.iterator();
iterator.next();
iterator.remove();
}
// ======================== clear ==========================
@Test
public void testClear() {
ISet set = newSet();
for (int i = 1; i <= 10; i++) {
set.add("item" + i);
}
assertEquals(10, set.size());
set.clear();
assertEquals(0, set.size());
}
@Test
public void testClear_whenSetEmpty() {
ISet set = newSet();
set.clear();
assertEquals(0, set.size());
}
// ======================== retainAll ==========================
@Test
public void testRetainAll_whenArgumentEmptyCollection() {
ISet set = newSet();
Set retained = new HashSet();
for (int i = 1; i <= 10; i++) {
set.add("item" + i);
}
set.retainAll(retained);
assertEquals(0, set.size());
}
@Test
public void testRetainAll_whenArgumentHasSameElements() {
ISet set = newSet();
Set retained = new HashSet();
for (int i = 1; i <= 10; i++) {
set.add("item" + i);
retained.add("item" + i);
}
set.retainAll(retained);
assertEquals(10, set.size());
}
@Test(expected = NullPointerException.class)
public void testRetainAll_whenCollectionNull() {
ISet set = newSet();
Set retained = null;
set.retainAll(retained);
assertEquals(0, set.size());
}
// ======================== contains - containsAll ==========================
@Test
public void testContains() {
ISet set = newSet();
set.add("item1");
assertTrue(set.contains("item1"));
}
@Test
public void testContains_whenEmpty() {
ISet set = newSet();
assertFalse(set.contains("notExist"));
}
@Test
public void testContains_whenNotContains() {
ISet set = newSet();
set.add("item1");
assertFalse(set.contains("notExist"));
}
@Test
public void testContainsAll() {
ISet set = newSet();
Set contains = new HashSet();
contains.add("item1");
contains.add("item2");
for (int i = 1; i <= 10; i++) {
set.add("item" + i);
contains.add("item" + i);
}
assertTrue(set.containsAll(contains));
}
@Test
public void testContainsAll_whenSetNotContains() {
ISet set = newSet();
Set contains = new HashSet();
contains.add("item1");
contains.add("item100");
for (int i = 1; i <= 10; i++) {
set.add("item" + i);
contains.add("item" + i);
}
assertFalse(set.containsAll(contains));
}
// ======================== helper methods ==========================
protected ISet newSet() {
HazelcastInstance instance = createHazelcastInstance();
return instance.getSet(randomString());
}
protected ISet newSetWithMaxSize(int maxSize) {
String name = randomString();
Config config = new Config();
SetConfig setConfig = config.getSetConfig(name);
setConfig.setMaxSize(maxSize);
HazelcastInstance instance = createHazelcastInstance(config);
return instance.getSet(name);
}
}