Package org.djutils.reflection

Class ClassUtilTest

java.lang.Object

org.djutils.reflection.ClassUtilTest

public class ClassUtilTest
extends Object

The JUNIT Test for ClassUtil.

Copyright (c) 2002-2025 Delft University of Technology, Jaffalaan 5, 2628 BX Delft, the Netherlands. All rights reserved. See for project information https://djutils.org. The DJUTILS project is distributed under a three-clause BSD-style license, which can be found at https://djutils.org/docs/license.html.

Author:

Peter Jacobs , Peter Knoppers

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static @interface	ClassUtilTest.AnnString	annotation class with String parameter.
static @interface	ClassUtilTest.AnnTag	annotation class.
protected static class	ClassUtilTest.Sub	superclass with fields and methods.
protected static class	ClassUtilTest.Sup	subclass with fields and methods.

Constructor Summary

Constructors

Constructor	Description
ClassUtilTest()

Method Summary

Modifier and Type	Method	Description
void	testClassUtilAnnotation()	Tests the ClassUtil Annotation lookup methods.
void	testClassUtilClass()
void	testClassUtilConstructor()	Tests the ClassUtil Constructor lookup methods.
void	testClassUtilConstructors()	Tests the ClassUtil Constructors.
void	testClassUtilField()	Tests the ClassUtil Field lookup methods.
void	testClassUtilMethod()	Tests the ClassUtil Method lookup methods.
protected void	testField(Class<?> clazz, String fieldName, int... modifiers)
protected void	testField(Object object, String fieldName, int... modifiers)
void	testFieldSignature()	Test the constructors and fields of the FieldSignature class.
protected void	testMethod(Class<?> clazz, String methodName, Class<?>[] params, int... modifiers)
protected void	testMethod(Object object, String methodName, Class<?>[] params, int... modifiers)
protected void	testMethod(Object object, String methodName, Object[] args, int... modifiers)
void	testMethodSignature()	Test the constructors and fields of the MethodSignature class.
void	testToClass()	Test the toClass method of the FieldSignature class.
void	testToDescriptor()	Test the toDescriptor method of the FieldSignature class.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ClassUtilTest

public ClassUtilTest()

Method Details

testClassUtilClass

@Test
public void testClassUtilClass()

testToDescriptor

@Test
public void testToDescriptor()

Test the toDescriptor method of the FieldSignature class.

testToClass

@Test
public void testToClass()
                 throws ClassNotFoundException

Test the toClass method of the FieldSignature class.

Throws:

ClassNotFoundException - if that happens uncaught; this test has failed

testFieldSignature

@Test
public void testFieldSignature()
                        throws ClassNotFoundException

Test the constructors and fields of the FieldSignature class.

Throws:

ClassNotFoundException - if that happens uncaught; this test has failed

testMethodSignature

@Test
public void testMethodSignature()
                         throws NoSuchMethodException,
SecurityException,
ClassNotFoundException

Test the constructors and fields of the MethodSignature class.

Throws:

SecurityException - if that happens uncaught; this test has failed

NoSuchMethodException - if that happens uncaught; this test has failed

ClassNotFoundException - if that happens uncaught; this test has failed

testClassUtilConstructors

@Test
public void testClassUtilConstructors()
                               throws NoSuchMethodException,
InstantiationException,
IllegalAccessException,
IllegalArgumentException,
InvocationTargetException

Tests the ClassUtil Constructors.

Throws:

NoSuchMethodException - on error

InvocationTargetException - on error

IllegalArgumentException - on error

IllegalAccessException - on error

InstantiationException - on error

testClassUtilConstructor

@Test
public void testClassUtilConstructor()
                              throws NoSuchMethodException,
InstantiationException,
IllegalAccessException,
IllegalArgumentException,
InvocationTargetException

Tests the ClassUtil Constructor lookup methods.

Throws:

NoSuchMethodException - on error

InvocationTargetException - on error

IllegalArgumentException - on error

IllegalAccessException - on error

InstantiationException - on error

testClassUtilField

@Test
public void testClassUtilField()
                        throws NoSuchFieldException

Tests the ClassUtil Field lookup methods.

Throws:

NoSuchFieldException - on error

testClassUtilMethod

@Test
public void testClassUtilMethod()
                         throws NoSuchMethodException

Tests the ClassUtil Method lookup methods.

Throws:

NoSuchMethodException - on error

testClassUtilAnnotation

@Test
public void testClassUtilAnnotation()

Tests the ClassUtil Annotation lookup methods.

testField

protected void testField(Class<?> clazz,
 String fieldName,
 int... modifiers)
                  throws NoSuchFieldException

Parameters:

clazz - the class to test

fieldName - the field to retrieve

modifiers - the expected modifiers

Throws:

NoSuchFieldException - on error

testField

protected void testField(Object object,
 String fieldName,
 int... modifiers)
                  throws NoSuchFieldException

Parameters:

object - the object to test

fieldName - the field to retrieve

modifiers - the expected modifiers

Throws:

NoSuchFieldException - on error

testMethod

protected void testMethod(Class<?> clazz,
 String methodName,
 Class<?>[] params,
 int... modifiers)
                   throws NoSuchMethodException

Parameters:

clazz - the class to test

methodName - the method to retrieve

params - the parameters of the method as a class array

modifiers - the expected modifiers

Throws:

NoSuchMethodException - on error

testMethod

protected void testMethod(Object object,
 String methodName,
 Class<?>[] params,
 int... modifiers)
                   throws NoSuchMethodException

Parameters:

object - the object to test

methodName - the method to retrieve

params - the parameters of the method as a class array

modifiers - the expected modifiers

Throws:

NoSuchMethodException - on error

testMethod

protected void testMethod(Object object,
 String methodName,
 Object[] args,
 int... modifiers)
                   throws NoSuchMethodException

Parameters:

object - the object to test

methodName - the method to retrieve

args - the parameters of the method as an object array

modifiers - the expected modifiers

Throws:

NoSuchMethodException - on error