StoreByValueTest.java

/**
 *  Copyright 2011-2013 Terracotta, Inc.
 *  Copyright 2011-2013 Oracle, 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 org.jsr107.tck;

import org.jsr107.tck.testutil.CacheTestSupport;
import org.jsr107.tck.testutil.ExcludeListExcluder;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.MethodRule;

import javax.cache.configuration.MutableConfiguration;
import java.util.Date;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;

/**
 * Cache implementations must support storeByValue.
 * <p>
 * Tests aspects where storeByValue makes a difference
 * </p>
 * @author Yannis Cosmadopoulos
 * @author Greg Luck
 * @since 1.0
 */
public class StoreByValueTest extends CacheTestSupport<Date, Date> {
  /**
   * Rule used to exclude tests
   */
  @Rule
  public MethodRule rule = new ExcludeListExcluder(this.getClass());

  @Before
  public void moreSetUp() {
    cache = getCacheManager().getCache(getTestCacheName(), Date.class, Date.class);
  }

  @Override
  protected MutableConfiguration<Date, Date> newMutableConfiguration() {
    return new MutableConfiguration<Date, Date>().setTypes(Date.class, Date.class);
  }

  @Test
  public void get_Existing_MutateValue() {
    long now = System.currentTimeMillis();
    Date existingKey = new Date(now);
    Date existingValue = new Date(now);
    cache.put(existingKey, existingValue);
    existingValue.setTime(now + 1);
    assertEquals(new Date(now), cache.get(existingKey));
  }

  @Test
  public void get_Existing_MutateKey() {
    long now = System.currentTimeMillis();
    Date existingKey = new Date(now);
    Date existingValue = new Date(now);
    cache.put(existingKey, existingValue);
    existingKey.setTime(now + 1);
    assertEquals(new Date(now), cache.get(new Date(now)));
  }

  @Test
  public void getAndPut_NotThere() {
    if (cache == null) return;

    long now = System.currentTimeMillis();
    Date existingKey = new Date(now);
    Date existingValue = new Date(now);
    assertNull(cache.getAndPut(existingKey, existingValue));
    existingValue.setTime(now + 1);
    assertEquals(new Date(now), cache.get(existingKey));
  }

  @Test
  public void getAndPut_Existing_MutateValue() {
    long now = System.currentTimeMillis();
    Date existingKey = new Date(now);
    Date value1 = new Date(now);
    cache.getAndPut(existingKey, value1);
    Date value2 = new Date(now + 1);
    value1.setTime(now + 2);
    assertEquals(new Date(now), cache.getAndPut(existingKey, value2));
    value2.setTime(now + 3);
    assertEquals(new Date(now + 1), cache.get(existingKey));
  }

  @Test
  public void getAndPut_Existing_NonSameKey_MutateValue() throws Exception {
    long now = System.currentTimeMillis();
    Date key1 = new Date(now);
    Date value1 = new Date(now);
    cache.getAndPut(key1, value1);
    value1.setTime(now + 1);
    Date key2 = new Date(now);
    Date value2 = new Date(now + 2);
    assertEquals(new Date(now), cache.getAndPut(key2, value2));
    value2.setTime(now + 3);
    assertEquals(new Date(now + 2), cache.get(key1));
    assertEquals(new Date(now + 2), cache.get(key2));
  }

  @Test
  public void getAndPut_Existing_NonSameKey_MutateKey() {
    long now = System.currentTimeMillis();
    Date key1 = new Date(now);
    Date value1 = new Date(now);
    cache.getAndPut(key1, value1);
    key1.setTime(now + 1);
    Date key2 = new Date(now);
    Date value2 = new Date(now + 2);
    assertEquals(new Date(now), cache.getAndPut(key2, value2));
    assertEquals(new Date(now + 2), cache.get(key2));
  }
}