/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.tuscany.core.component.scope;

import junit.framework.TestCase;

/**
 * @version $Rev$ $Date$
 */
public class InstanceWrapperBaseTestCase extends TestCase {
    private static final Object INSTANCE = new Object();
    private InstanceWrapperBase<Object> wrapper;

    public void testLifecycle() throws Exception {
        assertFalse(wrapper.isStarted());
        try {
            wrapper.getInstance();
            fail();
        } catch (AssertionError e) {
            // expected
        }
        wrapper.start();
        assertTrue(wrapper.isStarted());
        assertSame(INSTANCE, wrapper.getInstance());
        wrapper.stop();
        assertFalse(wrapper.isStarted());
        try {
            wrapper.getInstance();
            fail();
        } catch (AssertionError e) {
            // expected
        }
    }

    public void testNullCheck() {
        try {
            new InstanceWrapperBase<Object>(null);
            fail();
        } catch (AssertionError e) {
            // expected
        }
    }

    protected void setUp() throws Exception {
        super.setUp();
        wrapper = new InstanceWrapperBase<Object>(INSTANCE);
    }
}