Demo for SimpleXml line number problem

LineNumberTest.java

package net.sf.simple.test;

import static org.junit.Assert.*;
import java.io.StringReader;
import org.junit.Test;
import org.simpleframework.xml.Attribute;
import org.simpleframework.xml.Root;
import org.simpleframework.xml.Serializer;
import org.simpleframework.xml.core.Persister;
import org.simpleframework.xml.core.ValueRequiredException;

public class LineNumberTest {

    @Root
    static class Type {
        @Attribute
        String name;
    }
    
    @Test
    public void testLineNumber() throws Exception {
        try {
            Serializer serializer = new Persister();
            serializer.read(Type.class, new StringReader( "<root />" ) );
            
            fail( "No exception was thrown" );
        } catch( ValueRequiredException e ) {
            assertEquals(
                "Unable to satisfy @org.simpleframework.xml.Attribute(required=true, empty=, name=) on field 'name' java.lang.String net.sf.simple.test.LineNumberTest$Type.name for class net.sf.simple.test.LineNumberTest$Type at line 1"
                , e.getMessage() );
        }
    }
}