/*
 * Copyright 2007 the original author or authors.
 *
 * 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.wamblee.system.core;

import junit.framework.TestCase;

import org.wamblee.system.core.DefaultProvidedInterface;
import org.wamblee.system.core.DefaultRequiredInterface;
import org.wamblee.system.core.ProvidedInterface;
import org.wamblee.system.core.RequiredInterface;

import java.io.Serializable;


/**
 * DOCUMENT ME!
 *
 * @author $author$
 * @version $Revision$
  */
public class DefaultInterfaceDescriptorTest extends TestCase {
    /**
     * DOCUMENT ME!
     */
    public void testOneRequiredOneProvidedMatch() {
        ProvidedInterface provided = new DefaultProvidedInterface("name",
                String.class);
        RequiredInterface required = new DefaultRequiredInterface("name",
                String.class);
        assertTrue(required.implementedBy(provided));
    }

    /**
     * DOCUMENT ME!
     */
    public void testOneRequiredOneProvidedMatchSubClass() {
        ProvidedInterface provided = new DefaultProvidedInterface("name",
                Integer.class);
        RequiredInterface required = new DefaultRequiredInterface("name",
                Number.class);
        assertTrue(required.implementedBy(provided));
    }

    /**
     * DOCUMENT ME!
     */
    public void testOneRequiredOneProvidedNoMatch() {
        ProvidedInterface provided = new DefaultProvidedInterface("name",
                String.class);
        RequiredInterface required = new DefaultRequiredInterface("name",
                Number.class);
        assertFalse(required.implementedBy(provided));
    }

    /**
     * DOCUMENT ME!
     */
    public void testOneRequiredMultipleProvidedMatch() {
        ProvidedInterface provided = new DefaultProvidedInterface("name",
                new Class[] { String.class, Integer.class });
        RequiredInterface required = new DefaultRequiredInterface("name",
                String.class);
        assertTrue(required.implementedBy(provided));
    }

    /**
     * DOCUMENT ME!
     */
    public void testMultipleRequiredOneProvidedMatch() {
        ProvidedInterface provided = new DefaultProvidedInterface("name",
                MyMultiple.class);
        RequiredInterface required = new DefaultRequiredInterface("name",
                new Class[] { Runnable.class, Serializable.class });
        assertTrue(required.implementedBy(provided));
    }

    /**
     * DOCUMENT ME!
     */
    public void testMultipleRequiredOneProvidedNoMatch() {
        ProvidedInterface provided = new DefaultProvidedInterface("name",
                MyMultiple.class);
        RequiredInterface required = new DefaultRequiredInterface("name",
                new Class[] { String.class, Runnable.class });
        assertFalse(required.implementedBy(provided));
    }

    /**
     * DOCUMENT ME!
     */
    public void testMultipleRequiredMultipleProvidedMatch() {
        ProvidedInterface provided = new DefaultProvidedInterface("name",
                new Class[] { Runnable.class, Serializable.class, String.class });
        RequiredInterface required = new DefaultRequiredInterface("name",
                new Class[] { Runnable.class, Serializable.class });
        assertTrue(required.implementedBy(provided));
    }

    /**
     * DOCUMENT ME!
     */
    public void testPrimitiveAndWrapperType() {
        RequiredInterface req1  = new DefaultRequiredInterface("req1", int.class);
        RequiredInterface req2  = new DefaultRequiredInterface("req1",
                Integer.class);
        ProvidedInterface prov1 = new DefaultProvidedInterface("prov1",
                int.class);
        ProvidedInterface prov2 = new DefaultProvidedInterface("prov2",
                Integer.class);
        assertTrue(req1.implementedBy(prov1));
        assertTrue(req2.implementedBy(prov1));
        assertTrue(req1.implementedBy(prov2));
        assertTrue(req2.implementedBy(prov2));
    }

    private static class MyMultiple implements Runnable, Serializable {
        @Override
        public void run() {
            // Empty	
        }
    }
}