52 lines
1.4 KiB
C#
52 lines
1.4 KiB
C#
|
using Wickra;
|
||
|
|
using Xunit;
|
||
|
|
|
||
|
|
namespace Wickra.Tests;
|
||
|
|
|
||
|
|
public class SmaTests
|
||
|
|
{
|
||
|
|
[Fact]
|
||
|
|
public void StreamingMatchesReference()
|
||
|
|
{
|
||
|
|
using var sma = new Sma(3);
|
||
|
|
Assert.True(double.IsNaN(sma.Update(1)));
|
||
|
|
Assert.True(double.IsNaN(sma.Update(2)));
|
||
|
|
Assert.Equal(2.0, sma.Update(3), 9);
|
||
|
|
Assert.Equal(3.0, sma.Update(4), 9);
|
||
|
|
Assert.Equal(4.0, sma.Update(5), 9);
|
||
|
|
}
|
||
|
|
|
||
|
|
[Fact]
|
||
|
|
public void BatchMatchesStreaming()
|
||
|
|
{
|
||
|
|
using var sma = new Sma(3);
|
||
|
|
var output = sma.Batch(new double[] { 1, 2, 3, 4, 5 });
|
||
|
|
|
||
|
|
Assert.True(double.IsNaN(output[0]));
|
||
|
|
Assert.True(double.IsNaN(output[1]));
|
||
|
|
Assert.Equal(2.0, output[2], 9);
|
||
|
|
Assert.Equal(3.0, output[3], 9);
|
||
|
|
Assert.Equal(4.0, output[4], 9);
|
||
|
|
}
|
||
|
|
|
||
|
|
[Fact]
|
||
|
|
public void ResetClearsState()
|
||
|
|
{
|
||
|
|
using var sma = new Sma(3);
|
||
|
|
sma.Update(1);
|
||
|
|
sma.Update(2);
|
||
|
|
sma.Update(3);
|
||
|
|
sma.Reset();
|
||
|
|
Assert.True(double.IsNaN(sma.Update(10)));
|
||
|
|
}
|
||
|
|
|
||
|
|
[Fact]
|
||
|
|
public void ZeroPeriodThrows()
|
||
|
|
{
|
||
|
|
// Zero is rejected by the native constructor (returns NULL) -> ArgumentException;
|
||
|
|
// a negative period is caught earlier by the wrapper guard.
|
||
|
|
Assert.Throws<ArgumentException>(() => new Sma(0));
|
||
|
|
Assert.Throws<ArgumentOutOfRangeException>(() => new Sma(-1));
|
||
|
|
}
|
||
|
|
}
|