I was creating a test case for the property model to do some mind
exercises, and came up with the following testcase:
public class PropertyModelTest extends WicketTestCase
{
/**
* Interface for testing the property assignment with an
<code>null</code>
* interface property.
*/
public static interface IAddress
{
}
/**
* Abstract class for testing the property assignment with an
* <code>null</code> abstract class property.
*/
public static abstract class AbstractAddress implements IAddress
{
/** street field for assignment in property expressions. */
public String street;
}
/**
* Concrete class for testing the property assignment with an
* <code>null</code> concrete class property.
*/
public static class ConcreteAddress extends AbstractAddress
{
}
/**
* Person class for keeping the various different references for use in
the
* test cases.
*/
public static class Person
{
/** tests a <code>null</code> interface property. */
public IAddress interfaceAddress;
/** tests a <code>null</code> abstract class property. */
public AbstractAddress abstractAddress;
/** tests a <code>null</code> concrete class property. */
public ConcreteAddress concreteAddress;
/** tests a <code>null</code> final concrete class property. */
public final ConcreteAddress finalAddress = null;
}
/**
* Tests setting a value on a [EMAIL PROTECTED] PropertyModel} when a
final (constant!)
* property is <code>null</code> and a concrete type. This should end in
* an exception because Wicket can't assign to the property, since it is
* final.
*/
public void testSetWithNullPathFinal()
{
Person person = new Person();
PropertyModel model = new PropertyModel(person,
"finalAddress.street");
try
{
model.setObject("foo");
fail("Expected exception");
}
catch (WicketRuntimeException wre)
{
// ok!
}
}
}
What do you think? Is this test case correct? If so, should we improve
the JDK that final fields can be assigned using reflection?
Martijn
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