public void RowInsertionAtTheEnd()
{
DoubleColumn d = new DoubleColumn(10);
Assert.AreEqual(0, d.Count);
Assert.AreEqual(false, d.IsDirty);
// set rows 0 to 9 to i
for (int i = 0; i < 10; i++)
d[i] = i;
Assert.AreEqual(10, d.Count);
// testing parent change notification setting the parent
MyColumnParent parent = new MyColumnParent();
parent.ChildChanged = new EventHandler(parent.TestParentAddNotification);
d.ParentObject = parent;
Assert.AreEqual(1, parent.CallCount, "There was no parent add notification");
parent.Reset();
parent.Reset();
parent.ChildChanged = new EventHandler(parent.ExpectingNotToBeCalledBecauseNoChange);
// now insert
d.InsertRows(10, 3);
// test the data
Assert.AreEqual(10, d.Count);
for (int i = 0; i < 10; i++)
Assert.AreEqual(i, d[i]);
Assert.AreEqual(double.NaN, d[10]);
}
public void RowInsertionOneBeforeEnd()
{
DoubleColumn d = new DoubleColumn(10);
Assert.AreEqual(0, d.Count);
Assert.AreEqual(false, d.IsDirty);
// set rows 0 to 9 to i
for (int i = 0; i < 10; i++)
d[i] = i;
Assert.AreEqual(10, d.Count);
// testing parent change notification setting the parent
MyColumnParent parent = new MyColumnParent();
parent.ChildChanged = new EventHandler(parent.TestParentAddNotification);
d.ParentObject = parent;
Assert.AreEqual(1, parent.CallCount, "There was no parent add notification");
parent.Reset();
parent.Reset();
parent.ChildChanged = new EventHandler(parent.ExpectingDataChange9To12_NoDecrease);
// now insert
d.InsertRows(9, 3);
Assert.AreEqual(1, parent.CallCount, "There was no data change notification");
// test the data
Assert.AreEqual(13, d.Count);
for (int i = 0; i < 9; i++)
Assert.AreEqual(i, d[i]);
Assert.AreEqual(double.NaN, d[9]);
Assert.AreEqual(double.NaN, d[10]);
Assert.AreEqual(double.NaN, d[11]);
for (int i = 12; i < 13; i++)
Assert.AreEqual(i - 3, d[i]);
}