/*
* Copyright (c) 2008-2017, 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.client.atomicreference;
import com.hazelcast.client.test.TestHazelcastFactory;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IAtomicReference;
import com.hazelcast.core.IFunction;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class ClientAtomicReferenceTest extends HazelcastTestSupport {
private final TestHazelcastFactory hazelcastFactory = new TestHazelcastFactory();
private IAtomicReference<String> clientReference;
private IAtomicReference<String> serverReference;
@After
public void tearDown() {
hazelcastFactory.terminateAll();
}
@Before
public void setup() {
HazelcastInstance server = hazelcastFactory.newHazelcastInstance();
HazelcastInstance client = hazelcastFactory.newHazelcastClient();
String name = randomString();
clientReference = client.getAtomicReference(name);
serverReference = server.getAtomicReference(name);
}
@Test
public void get() throws Exception {
assertNull(clientReference.get());
serverReference.set("foo");
assertEquals("foo", clientReference.get());
}
@Test
public void isNull() throws Exception {
assertTrue(clientReference.isNull());
serverReference.set("foo");
assertFalse(clientReference.isNull());
}
@Test
public void contains() {
assertTrue(clientReference.contains(null));
assertFalse(clientReference.contains("foo"));
serverReference.set("foo");
assertFalse(clientReference.contains(null));
assertTrue(clientReference.contains("foo"));
assertFalse(clientReference.contains("bar"));
}
@Test
public void set() throws Exception {
clientReference.set(null);
assertTrue(serverReference.isNull());
clientReference.set("foo");
assertEquals("foo", serverReference.get());
clientReference.set("foo");
assertEquals("foo", serverReference.get());
clientReference.set("bar");
assertEquals("bar", serverReference.get());
clientReference.set(null);
assertTrue(serverReference.isNull());
}
@Test
public void clear() throws Exception {
clientReference.clear();
assertTrue(serverReference.isNull());
serverReference.set("foo");
clientReference.clear();
assertTrue(serverReference.isNull());
}
@Test
public void getAndSet() throws Exception {
assertNull(clientReference.getAndSet(null));
assertTrue(serverReference.isNull());
assertNull(clientReference.getAndSet("foo"));
assertEquals("foo", serverReference.get());
assertEquals("foo", clientReference.getAndSet("foo"));
assertEquals("foo", serverReference.get());
assertEquals("foo", clientReference.getAndSet("bar"));
assertEquals("bar", serverReference.get());
assertEquals("bar", clientReference.getAndSet(null));
assertTrue(serverReference.isNull());
}
@Test
public void setAndGet() throws Exception {
assertNull(clientReference.setAndGet(null));
assertTrue(serverReference.isNull());
assertEquals("foo", clientReference.setAndGet("foo"));
assertEquals("foo", serverReference.get());
assertEquals("foo", clientReference.setAndGet("foo"));
assertEquals("foo", serverReference.get());
assertEquals("bar", clientReference.setAndGet("bar"));
assertEquals("bar", serverReference.get());
assertNull(clientReference.setAndGet(null));
assertTrue(serverReference.isNull());
}
@Test
public void compareAndSet() throws Exception {
assertTrue(clientReference.compareAndSet(null, null));
assertTrue(serverReference.isNull());
assertFalse(clientReference.compareAndSet("foo", null));
assertTrue(serverReference.isNull());
assertTrue(clientReference.compareAndSet(null, "foo"));
assertEquals("foo", serverReference.get());
assertTrue(clientReference.compareAndSet("foo", "foo"));
assertEquals("foo", serverReference.get());
assertFalse(clientReference.compareAndSet("bar", "foo"));
assertEquals("foo", serverReference.get());
assertTrue(clientReference.compareAndSet("foo", "bar"));
assertEquals("bar", serverReference.get());
assertTrue(clientReference.compareAndSet("bar", null));
assertNull(serverReference.get());
}
@Test(expected = IllegalArgumentException.class)
public void apply_whenCalledWithNullFunction() {
clientReference.apply(null);
}
@Test
public void apply() {
assertEquals("null", clientReference.apply(new AppendFunction("")));
assertNull(clientReference.get());
clientReference.set("foo");
assertEquals("foobar", clientReference.apply(new AppendFunction("bar")));
assertEquals("foo", clientReference.get());
assertNull(clientReference.apply(new NullFunction()));
assertEquals("foo", clientReference.get());
}
@Test(expected = IllegalArgumentException.class)
public void alter_whenCalledWithNullFunction() {
clientReference.alter(null);
}
@Test
public void alter() {
clientReference.alter(new NullFunction());
assertNull(clientReference.get());
clientReference.set("foo");
clientReference.alter(new AppendFunction("bar"));
assertEquals("foobar", clientReference.get());
clientReference.alter(new NullFunction());
assertNull(clientReference.get());
}
@Test(expected = IllegalArgumentException.class)
public void alterAndGet_whenCalledWithNullFunction() {
clientReference.alterAndGet(null);
}
@Test
public void alterAndGet() {
assertNull(clientReference.alterAndGet(new NullFunction()));
assertNull(clientReference.get());
clientReference.set("foo");
assertEquals("foobar", clientReference.alterAndGet(new AppendFunction("bar")));
assertEquals("foobar", clientReference.get());
assertNull(clientReference.alterAndGet(new NullFunction()));
assertNull(clientReference.get());
}
@Test(expected = IllegalArgumentException.class)
public void getAndAlter_whenCalledWithNullFunction() {
clientReference.alterAndGet(null);
}
@Test
public void getAndAlter() {
assertNull(clientReference.getAndAlter(new NullFunction()));
assertNull(clientReference.get());
clientReference.set("foo");
assertEquals("foo", clientReference.getAndAlter(new AppendFunction("bar")));
assertEquals("foobar", clientReference.get());
assertEquals("foobar", clientReference.getAndAlter(new NullFunction()));
assertNull(clientReference.get());
}
private static class AppendFunction implements IFunction<String, String> {
private String add;
private AppendFunction(String add) {
this.add = add;
}
@Override
public String apply(String input) {
return input + add;
}
}
private static class NullFunction implements IFunction<String, String> {
@Override
public String apply(String input) {
return null;
}
}
}