Bump up code coverage to 100%

Author: rolfl

test/src/java/org/jdom2/test/cases/input/sax/TestXMLReaderSAX2Factory.java

@@ -5,6 +5,7 @@
 import java.io.IOException;
 
 import org.junit.Test;
+import org.xml.sax.SAXException;
 
 import org.jdom2.Document;
 import org.jdom2.JDOMException;
@@ -55,6 +56,20 @@ public void testGetDriverClassName() {
 				facnon.getDriverClassName());
 	}
 
+	@Test
+	public void testGetDummyDriver() {
+		XMLReaderSAX2Factory facnon = new XMLReaderSAX2Factory(false, 
+				"does.not.exist");
+		assertFalse(facnon.isValidating());
+		try {
+			facnon.createXMLReader();
+			UnitTestUtil.failNoException(JDOMException.class);
+		} catch (Exception e) {
+			UnitTestUtil.checkException(JDOMException.class, e);
+			UnitTestUtil.checkException(SAXException.class, e.getCause());
+		}
+	}
+	
 
 	@Test
 	public void testParseValidateWorks() throws JDOMException, IOException {