}
public void testHTMLDocument() {
htmlDoc = new PublicHTMLDocument();
assertTrue(htmlDoc.getContentPublicly() instanceof GapContent);
AttributeContext styleSheet = htmlDoc.getAttributeContextPublicly();
assertTrue(styleSheet instanceof StyleSheet);
final Enumeration styleNames = ((StyleSheet)styleSheet).getStyleNames();
assertTrue(styleNames.hasMoreElements());
assertEquals("default", styleNames.nextElement());
assertFalse(styleNames.hasMoreElements());