tapestry/tapestry-framework/src/test/org/apache/tapestry/services/impl/TestObjectPool.java

// Copyright 2004, 2005 The Apache Software Foundation
//
// 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.apache.tapestry.services.impl;

import java.util.ArrayList;
import java.util.List;

import org.apache.tapestry.BaseComponentTestCase;
import org.apache.tapestry.services.ObjectPool;
import org.testng.annotations.Test;

/**
 * Tests for {@link org.apache.tapestry.services.impl.ObjectPoolImpl}.
 * 
 * @author Howard Lewis Ship
 * @since 4.0
 */
@Test
public class TestObjectPool extends BaseComponentTestCase
{
    public void testStoreAndGet()
    {
        String key = "POOLED-KEY";
        String pooled = "POOLED";
        ObjectPool p = new ObjectPoolImpl();

        assertNull(p.get(key));

        p.store(key, pooled);

        assertSame(pooled, p.get(key));

        assertNull(p.get(key));
    }

    public void testStoreMany()
    {
        ObjectPool p = new ObjectPoolImpl();

        Object pooled1 = new Object();
        Object pooled2 = new Object();

        String key = "POOLED-KEY";

        p.store(key, pooled1);
        p.store(key, pooled2);

        // No guarantee that we'll get them out in the order they were put in.

        List l = new ArrayList();
        l.add(pooled1);
        l.add(pooled2);

        for (int i = 0; i < 2; i++)
        {
            Object pooled = p.get(key);

            assertTrue(l.remove(pooled));
        }

        assertNull(p.get(key));
    }
}