public void ZeroElements()
{
DoubleColumn d = new DoubleColumn();
Assert.AreEqual(0, d.Count);
Assert.AreEqual(false, d.IsDirty);
Assert.AreEqual(true, d.IsElementEmpty(0));
Assert.AreEqual(true, d.IsElementEmpty(1));
}
public void TenEmptyElements()
{
DoubleColumn d = new DoubleColumn(10);
Assert.AreEqual(0, d.Count);
Assert.AreEqual(false, d.IsDirty);
for (int i = 0; i < 11; i++)
Assert.AreEqual(true, d.IsElementEmpty(i));
}
public void TenElementsFirstFilled()
{
DoubleColumn d = new DoubleColumn(10);
Assert.AreEqual(0, d.Count);
d[0] = 77.0;
Assert.AreEqual(1, d.Count);
Assert.AreEqual(false, d.IsDirty);
Assert.AreEqual(false, d.IsElementEmpty(0));
Assert.AreEqual(true, d.IsElementEmpty(1));
// now delete again element 0
d[0] = double.NaN;
Assert.AreEqual(0, d.Count);
Assert.AreEqual(false, d.IsDirty);
for (int i = 0; i < 11; i++)
Assert.AreEqual(true, d.IsElementEmpty(i));
Assert.AreEqual(false, d.IsDirty);
}
public void FiveElements89Filled()
{
DoubleColumn d = new DoubleColumn(5);
Assert.AreEqual(0, d.Count);
d[8] = 77.0;
d[9] = 88;
Assert.AreEqual(10, d.Count);
Assert.AreEqual(false, d.IsDirty);
Assert.AreEqual(true, d.IsElementEmpty(7));
Assert.AreEqual(false, d.IsElementEmpty(8));
Assert.AreEqual(false, d.IsElementEmpty(9));
Assert.AreEqual(true, d.IsElementEmpty(10));
d[9] = double.NaN;
Assert.AreEqual(9, d.Count, 9);
Assert.AreEqual(true, d.IsElementEmpty(7));
Assert.AreEqual(false, d.IsElementEmpty(8));
Assert.AreEqual(true, d.IsElementEmpty(9));
Assert.AreEqual(true, d.IsElementEmpty(10));
d[8] = double.NaN;
Assert.AreEqual(0, d.Count, 0);
Assert.AreEqual(true, d.IsElementEmpty(7));
Assert.AreEqual(true, d.IsElementEmpty(8));
Assert.AreEqual(true, d.IsElementEmpty(9));
Assert.AreEqual(true, d.IsElementEmpty(10));
Assert.AreEqual(false, d.IsDirty);
for (int i = 0; i < 11; i++)
Assert.AreEqual(true, d.IsElementEmpty(i));
}