public void TestClearShapesForPatriarch()
{
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.CreateSheet() as HSSFSheet;
HSSFPatriarch patriarch = sheet.CreateDrawingPatriarch() as HSSFPatriarch;
patriarch.CreateSimpleShape(new HSSFClientAnchor());
patriarch.CreateSimpleShape(new HSSFClientAnchor());
patriarch.CreateCellComment(new HSSFClientAnchor());
EscherAggregate agg = HSSFTestHelper.GetEscherAggregate(patriarch);
Assert.AreEqual(agg.GetShapeToObjMapping().Count, 6);
Assert.AreEqual(agg.TailRecords.Count, 1);
Assert.AreEqual(patriarch.Children.Count, 3);
patriarch.Clear();
Assert.AreEqual(agg.GetShapeToObjMapping().Count, 0);
Assert.AreEqual(agg.TailRecords.Count, 0);
Assert.AreEqual(patriarch.Children.Count, 0);
wb = HSSFTestDataSamples.WriteOutAndReadBack(wb);
sheet = wb.GetSheetAt(0) as HSSFSheet;
patriarch = sheet.DrawingPatriarch as HSSFPatriarch;
Assert.AreEqual(agg.GetShapeToObjMapping().Count, 0);
Assert.AreEqual(agg.TailRecords.Count, 0);
Assert.AreEqual(patriarch.Children.Count, 0);
}