Add some basic floatspan unit tests

engine/Sandbox.Test/System/Math/FloatSpan.cs

@@ -0,0 +1,162 @@
+namespace TestSystem.Math;
+
+[TestClass]
+public class FloatSpanTest
+{
+	[TestMethod]
+	public void Max()
+	{
+		var data = new float[] { 1.0f, 5.0f, 3.0f, 9.0f, 2.0f };
+		var span = new FloatSpan( data );
+		
+		Assert.AreEqual( 9.0f, span.Max() );
+	}
+
+	[TestMethod]
+	public void Max_Empty()
+	{
+		var data = new float[0];
+		var span = new FloatSpan( data );
+		
+		Assert.AreEqual( 0.0f, span.Max() );
+	}
+
+	[TestMethod]
+	public void Min()
+	{
+		var data = new float[] { 1.0f, 5.0f, 3.0f, 9.0f, 2.0f };
+		var span = new FloatSpan( data );
+		
+		Assert.AreEqual( 1.0f, span.Min() );
+	}
+
+	[TestMethod]
+	public void Min_Empty()
+	{
+		var data = new float[0];
+		var span = new FloatSpan( data );
+		
+		Assert.AreEqual( 0.0f, span.Min() );
+	}
+
+	[TestMethod]
+	public void Average()
+	{
+		var data = new float[] { 2.0f, 4.0f, 6.0f, 8.0f };
+		var span = new FloatSpan( data );
+		
+		Assert.AreEqual( 5.0f, span.Average() );
+	}
+
+	[TestMethod]
+	public void Average_Empty()
+	{
+		var data = new float[0];
+		var span = new FloatSpan( data );
+		
+		Assert.AreEqual( 0.0f, span.Average() );
+	}
+
+	[TestMethod]
+	public void Sum()
+	{
+		var data = new float[] { 1.0f, 2.0f, 3.0f, 4.0f };
+		var span = new FloatSpan( data );
+		
+		Assert.AreEqual( 10.0f, span.Sum() );
+	}
+
+	[TestMethod]
+	public void Sum_Empty()
+	{
+		var data = new float[0];
+		var span = new FloatSpan( data );
+		
+		Assert.AreEqual( 0.0f, span.Sum() );
+	}
+
+	[TestMethod]
+	public void Set_Value()
+	{
+		var data = new float[5];
+		var span = new FloatSpan( data );
+		
+		span.Set( 7.5f );
+		
+		foreach ( var value in data )
+		{
+			Assert.AreEqual( 7.5f, value );
+		}
+	}
+
+	[TestMethod]
+	public void Set_Span()
+	{
+		var data = new float[4];
+		var span = new FloatSpan( data );
+		var values = new float[] { 1.0f, 2.0f, 3.0f, 4.0f };
+		
+		span.Set( values );
+		
+		CollectionAssert.AreEqual( values, data );
+	}
+
+	[TestMethod]
+	public void CopyScaled()
+	{
+		var data = new float[4];
+		var span = new FloatSpan( data );
+		var values = new float[] { 1.0f, 2.0f, 3.0f, 4.0f };
+		
+		span.CopyScaled( values, 2.0f );
+		
+		Assert.AreEqual( 2.0f, data[0] );
+		Assert.AreEqual( 4.0f, data[1] );
+		Assert.AreEqual( 6.0f, data[2] );
+		Assert.AreEqual( 8.0f, data[3] );
+	}
+
+	[TestMethod]
+	public void Add()
+	{
+		var data = new float[] { 1.0f, 2.0f, 3.0f, 4.0f };
+		var span = new FloatSpan( data );
+		var values = new float[] { 10.0f, 20.0f, 30.0f, 40.0f };
+		
+		span.Add( values );
+		
+		Assert.AreEqual( 11.0f, data[0] );
+		Assert.AreEqual( 22.0f, data[1] );
+		Assert.AreEqual( 33.0f, data[2] );
+		Assert.AreEqual( 44.0f, data[3] );
+	}
+
+	[TestMethod]
+	public void AddScaled()
+	{
+		var data = new float[] { 1.0f, 2.0f, 3.0f, 4.0f };
+		var span = new FloatSpan( data );
+		var values = new float[] { 10.0f, 20.0f, 30.0f, 40.0f };
+		
+		span.AddScaled( values, 0.5f );
+		
+		Assert.AreEqual( 6.0f, data[0] );
+		Assert.AreEqual( 12.0f, data[1] );
+		Assert.AreEqual( 18.0f, data[2] );
+		Assert.AreEqual( 24.0f, data[3] );
+	}
+
+	[TestMethod]
+	public void Scale()
+	{
+		var data = new float[] { 2.0f, 4.0f, 6.0f, 8.0f };
+		var span = new FloatSpan( data );
+		
+		span.Scale( 0.5f );
+		
+		Assert.AreEqual( 1.0f, data[0] );
+		Assert.AreEqual( 2.0f, data[1] );
+		Assert.AreEqual( 3.0f, data[2] );
+		Assert.AreEqual( 4.0f, data[3] );
+	}
+}