/* The first child of the block area is a line-area. */
node = blockArea.getChildAt(0);
assertTrue(node instanceof LineArea);
final LineArea lineArea = (LineArea) node;
final int lineY = lineArea.alignmentPointY();
/* The second child of the line area is an inline-area. */
node = lineArea.getChildAt(1);
assertTrue(node instanceof InlineArea);
final InlineArea inlineArea = (InlineArea) node;