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//
// ========================================================================
// Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import org.junit.BeforeClass;
import org.junit.Test;
/**
* TestInjection
*
*
*/
public class TestIntrospectionUtil
{
public final static Class<?>[] __INTEGER_ARG = new Class[] {Integer.class};
static Field privateAField;
static Field protectedAField;
static Field publicAField;
static Field defaultAField;
static Field privateBField;
static Field protectedBField;
static Field publicBField;
static Field defaultBField;
static Method privateCMethod;
static Method protectedCMethod;
static Method publicCMethod;
static Method defaultCMethod;
static Method privateDMethod;
static Method protectedDMethod;
static Method publicDMethod;
static Method defaultDMethod;
public class ServletA
{
private Integer privateA;
protected Integer protectedA;
Integer defaultA;
public Integer publicA;
}
public class ServletB extends ServletA
{
private String privateB;
protected String protectedB;
public String publicB;
String defaultB;
}
public class ServletC
{
private void setPrivateC (Integer c) {}
protected void setProtectedC (Integer c) {}
public void setPublicC(Integer c) {}
void setDefaultC(Integer c) {}
}
public class ServletD extends ServletC
{
private void setPrivateD(Integer d) {}
protected void setProtectedD(Integer d) {}
public void setPublicD(Integer d) {}
void setDefaultD(Integer d) {}
}
@BeforeClass
public static void setUp()
throws Exception
{
privateAField = ServletA.class.getDeclaredField("privateA");
protectedAField = ServletA.class.getDeclaredField("protectedA");
publicAField = ServletA.class.getDeclaredField("publicA");
defaultAField = ServletA.class.getDeclaredField("defaultA");
privateBField = ServletB.class.getDeclaredField("privateB");
protectedBField = ServletB.class.getDeclaredField("protectedB");
publicBField = ServletB.class.getDeclaredField("publicB");
defaultBField = ServletB.class.getDeclaredField("defaultB");
privateCMethod = ServletC.class.getDeclaredMethod("setPrivateC", __INTEGER_ARG);
protectedCMethod = ServletC.class.getDeclaredMethod("setProtectedC", __INTEGER_ARG);
publicCMethod = ServletC.class.getDeclaredMethod("setPublicC", __INTEGER_ARG);
defaultCMethod = ServletC.class.getDeclaredMethod("setDefaultC", __INTEGER_ARG);
privateDMethod = ServletD.class.getDeclaredMethod("setPrivateD", __INTEGER_ARG);
protectedDMethod = ServletD.class.getDeclaredMethod("setProtectedD", __INTEGER_ARG);
publicDMethod = ServletD.class.getDeclaredMethod("setPublicD", __INTEGER_ARG);
defaultDMethod = ServletD.class.getDeclaredMethod("setDefaultD", __INTEGER_ARG);
}
@Test
public void testFieldPrivate ()
throws Exception
{
//direct
Field f = IntrospectionUtil.findField(ServletA.class, "privateA", Integer.class, true, false);
assertEquals(privateAField,f);
//inheritance
try
{
IntrospectionUtil.findField(ServletB.class, "privateA", Integer.class, true, false);
fail("Private fields should not be inherited");
}
catch (NoSuchFieldException e)
{
//expected
}
}
@Test
public void testFieldProtected()
throws Exception
{
//direct
Field f = IntrospectionUtil.findField(ServletA.class, "protectedA", Integer.class, true, false);
assertEquals(f, protectedAField);
//inheritance
f = IntrospectionUtil.findField(ServletB.class, "protectedA", Integer.class, true, false);
assertEquals(f, protectedAField);
}
@Test
public void testFieldPublic()
throws Exception
{
//direct
Field f = IntrospectionUtil.findField(ServletA.class, "publicA", Integer.class, true, false);
assertEquals(f, publicAField);
//inheritance
f = IntrospectionUtil.findField(ServletB.class, "publicA", Integer.class, true, false);
assertEquals(f, publicAField);
}
@Test
public void testFieldDefault()
throws Exception
{
//direct
Field f = IntrospectionUtil.findField(ServletA.class, "defaultA", Integer.class, true, false);
assertEquals(f, defaultAField);
//inheritance
f = IntrospectionUtil.findField(ServletB.class, "defaultA", Integer.class, true, false);
assertEquals(f, defaultAField);
}
@Test
public void testMethodPrivate ()
throws Exception
{
//direct
Method m = IntrospectionUtil.findMethod(ServletC.class, "setPrivateC", __INTEGER_ARG, true, false);
assertEquals(m, privateCMethod);
//inheritance
try
{
IntrospectionUtil.findMethod(ServletD.class, "setPrivateC", __INTEGER_ARG, true, false);
fail();
}
catch (NoSuchMethodException e)
{
//expected
}
}
@Test
public void testMethodProtected ()
throws Exception
{
// direct
Method m = IntrospectionUtil.findMethod(ServletC.class, "setProtectedC", __INTEGER_ARG, true, false);
assertEquals(m, protectedCMethod);
//inherited
m = IntrospectionUtil.findMethod(ServletD.class, "setProtectedC", __INTEGER_ARG, true, false);
assertEquals(m, protectedCMethod);
}
@Test
public void testMethodPublic ()
throws Exception
{
// direct
Method m = IntrospectionUtil.findMethod(ServletC.class, "setPublicC", __INTEGER_ARG, true, false);
assertEquals(m, publicCMethod);
//inherited
m = IntrospectionUtil.findMethod(ServletD.class, "setPublicC", __INTEGER_ARG, true, false);
assertEquals(m, publicCMethod);
}
@Test
public void testMethodDefault ()
throws Exception
{
// direct
Method m = IntrospectionUtil.findMethod(ServletC.class, "setDefaultC", __INTEGER_ARG, true, false);
assertEquals(m, defaultCMethod);
//inherited
m = IntrospectionUtil.findMethod(ServletD.class, "setDefaultC", __INTEGER_ARG, true, false);
assertEquals(m, defaultCMethod);
}
}
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