public void TestIterators()
{
OrderedShiftBuffer b = new OrderedShiftBuffer(3);
b.Append(4.0);
b.Append(1.0);
b.Append(3.0);
b.Append(2.0);
IEnumerator <double> byInsert = b.ByInsertOrder.GetEnumerator();
Assert.IsTrue(byInsert.MoveNext(), "A1");
Assert.AreEqual(2.0, byInsert.Current, "A2");
Assert.IsTrue(byInsert.MoveNext(), "B1");
Assert.AreEqual(3.0, byInsert.Current, "B2");
Assert.IsTrue(byInsert.MoveNext(), "C1");
Assert.AreEqual(1.0, byInsert.Current, "C2");
Assert.IsFalse(byInsert.MoveNext(), "D1");
IEnumerator <double> byValue = b.ByValueOrder.GetEnumerator();
Assert.IsTrue(byValue.MoveNext(), "E1");
Assert.AreEqual(1.0, byValue.Current, "E2");
Assert.IsTrue(byValue.MoveNext(), "F1");
Assert.AreEqual(2.0, byValue.Current, "F2");
Assert.IsTrue(byValue.MoveNext(), "G1");
Assert.AreEqual(3.0, byValue.Current, "G2");
Assert.IsFalse(byValue.MoveNext(), "H1");
}
public void TestInitialize()
{
OrderedShiftBuffer b = new OrderedShiftBuffer(4);
Assert.AreEqual(4, b.InitializedCount, "A1");
Assert.AreEqual(0, b.ActualCount, "A2");
Assert.AreEqual(false, b.IsInitialized, "A3");
b.Append(1d);
Assert.AreEqual(4, b.InitializedCount, "B1");
Assert.AreEqual(1, b.ActualCount, "B2");
Assert.AreEqual(false, b.IsInitialized, "B3");
b.Append(2d);
Assert.AreEqual(4, b.InitializedCount, "C1");
Assert.AreEqual(2, b.ActualCount, "C2");
Assert.AreEqual(false, b.IsInitialized, "C3");
b.Append(3d);
Assert.AreEqual(4, b.InitializedCount, "D1");
Assert.AreEqual(3, b.ActualCount, "D2");
Assert.AreEqual(false, b.IsInitialized, "D3");
b.Append(4d);
Assert.AreEqual(4, b.InitializedCount, "E1");
Assert.AreEqual(4, b.ActualCount, "E2");
Assert.AreEqual(true, b.IsInitialized, "E3");
b.Append(5d);
Assert.AreEqual(4, b.InitializedCount, "F1");
Assert.AreEqual(4, b.ActualCount, "F2");
Assert.AreEqual(true, b.IsInitialized, "F3");
}
public void TestMedian()
{
OrderedShiftBuffer b = new OrderedShiftBuffer(3);
try
{
double d = b.Median;
Assert.Fail("A1");
}
catch (NullReferenceException) { }
b.Append(1.0);
Assert.AreEqual(1.0, b.Median, "B1");
b.Append(2.0);
Assert.AreEqual(2.0, b.Median, "B2");
b.Append(3.0);
Assert.AreEqual(2.0, b.Median, "B3");
b.Append(1.5);
Assert.AreEqual(2.0, b.Median, "B4");
b.Append(2.5);
Assert.AreEqual(2.5, b.Median, "B5");
b.Append(3.5);
Assert.AreEqual(2.5, b.Median, "B6");
b.Append(4.5);
Assert.AreEqual(3.5, b.Median, "B7");
b.Append(5.0);
Assert.AreEqual(4.5, b.Median, "B8");
b.Append(1.0);
Assert.AreEqual(4.5, b.Median, "B9");
}
ProcessSample(
double sample
)
{
_buffer.Append(sample);
try
{
return(_buffer.Median);
}
catch (NullReferenceException)
{
return(double.NaN);
}
}