### Question:
StudyCharTableModel extends AbstractTableModel { public int getRowCount() { return d_pm.getIncludedStudies().size(); } StudyCharTableModel(StudyListPresentation pm, PresentationModelFactory pmf); int getColumnCount(); int getRowCount(); Object getValueAt(int rowIndex, int columnIndex); @Override String getColumnName(int columnIndex); @Override Class<?> getColumnClass(int columnIndex);  }### Answer:
@Test public void testGetRowCount() { assertEquals(d_pm.getIncludedStudies().size(), d_model.getRowCount()); }