public void CreateBottomToTopShadow_FirstColorHasZeroAlpha()
{
var shadowCreator = new ShadowLayerCreator();
var layer = shadowCreator.CreateBottomToTopShadow();
Assert.AreEqual(0f, layer.Colors[0].Alpha);
}
public void CreateBottomToTopShadow_StartAndEndPointsYCoordinateSpan()
{
var shadowCreator = new ShadowLayerCreator();
var layer = shadowCreator.CreateBottomToTopShadow();
Assert.AreEqual(0, layer.StartPoint.Y);
Assert.AreEqual(1, layer.EndPoint.Y);
}
public void CreateBottomToTopShadow_StartAndEndPointsXCoordinateStaysAtMidpoint()
{
var shadowCreator = new ShadowLayerCreator();
var layer = shadowCreator.CreateBottomToTopShadow();
Assert.AreEqual(0.5f, layer.StartPoint.X);
Assert.AreEqual(0.5f, layer.EndPoint.X);
}
public void CreateBottomToTopShadow_SecondColorIsBlackWithAlpha()
{
var shadowCreator = new ShadowLayerCreator { Alpha = 0.4f };
var layer = shadowCreator.CreateBottomToTopShadow();
AssertColorIsBlack(layer.Colors[1]);
Assert.AreEqual(0.4f, layer.Colors[1].Alpha);
}