dubbo-common/src/test/java/com/alibaba/dubbo/common/bytecode/MixinTest.java

/*
 * Copyright 1999-2011 Alibaba Group.
 *  
 * 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 com.alibaba.dubbo.common.bytecode;

import com.alibaba.dubbo.common.bytecode.Mixin;

import junit.framework.TestCase;

public class MixinTest extends TestCase
{
	public void testMain() throws Exception
	{
		Mixin mixin = Mixin.mixin(new Class[]{ I1.class, I2.class, I3.class }, new Class[]{ C1.class, C2.class });
		Object o = mixin.newInstance(new Object[]{ new C1(), new C2() });
		assertEquals(o instanceof I1, true);
		assertEquals(o instanceof I2, true);
		assertEquals(o instanceof I3, true);
		((I1)o).m1();
		((I2)o).m2();
		((I3)o).m3();
	}

	interface I1{ void m1(); }
	interface I2{ void m2(); }
	interface I3{ void m3(); }

	class C1 implements Mixin.MixinAware
	{
		public void m1()
		{
			System.out.println("c1.m1();");
		}

		public void m2()
		{
			System.out.println("c1.m2();");
		}

		public void setMixinInstance(Object mi)
		{
			System.out.println("setMixinInstance:" + mi);
		}
	}

	class C2 implements Mixin.MixinAware
	{
		public void m3()
		{
			System.out.println("c2.m3();");
		}

		public void setMixinInstance(Object mi)
		{
			System.out.println("setMixinInstance:" + mi);
		}
	}
}