Add new test case for 3 InvokeContextTest.

package com.a.eye.skywalking.api.plugin.interceptor.enhance;

import org.junit.Assert;

import org.junit.Test;

/**

 * @author wusheng

 */

public class InvokeContextTest {

    @Test

    public void testConstructorInvokeContext() {

        ConstructorInvokeContext context = new ConstructorInvokeContext(this, new Object[] {"obj1",1});

        Assert.assertEquals(this, context.inst());

        Assert.assertEquals("obj1", context.allArguments()[0]);

        Assert.assertEquals(1, context.allArguments()[1]);

    }

    @Test

    public void testInstanceMethodInvokeContext(){

        InstanceMethodInvokeContext context = new InstanceMethodInvokeContext(this,"methodA", new Object[] {"obj1",1}, new Class<?>[]{String.class, Integer.class});

        Assert.assertEquals(this, context.inst());

        Assert.assertEquals("obj1", context.allArguments()[0]);

        Assert.assertEquals(1, context.allArguments()[1]);

        Assert.assertEquals("methodA", context.methodName());

        Assert.assertEquals(String.class, context.argumentTypes()[0]);

        Assert.assertEquals(Integer.class, context.argumentTypes()[1]);

    }

    @Test

    public void testStaticMethodInvokeContext(){

        StaticMethodInvokeContext context = new StaticMethodInvokeContext(InvokeContextTest.class, "methodA", new Object[] {"obj1",1}, new Class<?>[]{String.class, Integer.class});

        Assert.assertEquals(InvokeContextTest.class, context.claszz());

        Assert.assertEquals("obj1", context.allArguments()[0]);

        Assert.assertEquals(1, context.allArguments()[1]);

        Assert.assertEquals("methodA", context.methodName());

        Assert.assertEquals(String.class, context.argumentTypes()[0]);

        Assert.assertEquals(Integer.class, context.argumentTypes()[1]);

    }

}