package org.wamblee.system;

import java.io.Serializable;

import junit.framework.TestCase;

public class DefaultInterfaceDescriptorTest extends TestCase {

	public void testOneRequiredOneProvidedMatch() { 
		ProvidedInterface provided = new DefaultProvidedInterfaceDescriptor("name", String.class);
		RequiredInterface required = new DefaultRequiredInterfaceDescriptor("name", String.class);
		assertTrue(required.implementedBy(provided));
	}
	
	public void testOneRequiredOneProvidedMatchSubClass() { 
		ProvidedInterface provided = new DefaultProvidedInterfaceDescriptor("name", Integer.class);
		RequiredInterface required = new DefaultRequiredInterfaceDescriptor("name", Number.class);
		assertTrue(required.implementedBy(provided));
	}
	
	public void testOneRequiredOneProvidedNoMatch() { 
		ProvidedInterface provided = new DefaultProvidedInterfaceDescriptor("name", String.class);
		RequiredInterface required = new DefaultRequiredInterfaceDescriptor("name", Number.class);
		assertFalse(required.implementedBy(provided));
	}
	
	public void testOneRequiredMultipleProvidedMatch() { 
		ProvidedInterface provided = new DefaultProvidedInterfaceDescriptor("name", 
				new Class[] { String.class, Integer.class} );
		RequiredInterface required = new DefaultRequiredInterfaceDescriptor("name", String.class);
		assertTrue(required.implementedBy(provided));
	}
	
	private static class MyMultiple implements Runnable, Serializable { 
		@Override
		public void run() {
			// Empty	
		}
	}
	
	public void testMultipleRequiredOneProvidedMatch() { 
		ProvidedInterface provided = new DefaultProvidedInterfaceDescriptor("name", 
				MyMultiple.class );
		RequiredInterface required = new DefaultRequiredInterfaceDescriptor("name", 
				new Class[] {Runnable.class, Serializable.class} );
		assertTrue(required.implementedBy(provided));
	}
	
	public void testMultipleRequiredOneProvidedNoMatch() { 
		ProvidedInterface provided = new DefaultProvidedInterfaceDescriptor("name", 
				MyMultiple.class );
		RequiredInterface required = new DefaultRequiredInterfaceDescriptor("name", 
				new Class[] { String.class, Runnable.class} );
		assertFalse(required.implementedBy(provided));
	}
	
	public void testMultipleRequiredMultipleProvidedMatch() { 
		ProvidedInterface provided = new DefaultProvidedInterfaceDescriptor("name", 
				new Class[] { Runnable.class, Serializable.class, String.class}  );
		RequiredInterface required = new DefaultRequiredInterfaceDescriptor("name", 
				new Class[] {Runnable.class, Serializable.class} );
		assertTrue(required.implementedBy(provided));
	}
	
	
}