public void Test_rounding()
{
// Test that whole numbers are rounded to whole despite ceil/floor flags
Assert.AreEqual(6.0f, YogaMath.RoundValueToPixelGrid(6.000001f, 2.0f, false, false));
Assert.AreEqual(6.0f, YogaMath.RoundValueToPixelGrid(6.000001f, 2.0f, true, false));
Assert.AreEqual(6.0f, YogaMath.RoundValueToPixelGrid(6.000001f, 2.0f, false, true));
Assert.AreEqual(6.0f, YogaMath.RoundValueToPixelGrid(5.999999f, 2.0f, false, false));
Assert.AreEqual(6.0f, YogaMath.RoundValueToPixelGrid(5.999999f, 2.0f, true, false));
Assert.AreEqual(6.0f, YogaMath.RoundValueToPixelGrid(5.999999f, 2.0f, false, true));
// Same tests for negative numbers
Assert.AreEqual(-6.0f, YogaMath.RoundValueToPixelGrid(-6.000001f, 2.0f, false, false));
Assert.AreEqual(-6.0f, YogaMath.RoundValueToPixelGrid(-6.000001f, 2.0f, true, false));
Assert.AreEqual(-6.0f, YogaMath.RoundValueToPixelGrid(-6.000001f, 2.0f, false, true));
Assert.AreEqual(-6.0f, YogaMath.RoundValueToPixelGrid(-5.999999f, 2.0f, false, false));
Assert.AreEqual(-6.0f, YogaMath.RoundValueToPixelGrid(-5.999999f, 2.0f, true, false));
Assert.AreEqual(-6.0f, YogaMath.RoundValueToPixelGrid(-5.999999f, 2.0f, false, true));
// Test that numbers with fraction are rounded correctly accounting for ceil/floor flags
Assert.AreEqual(6.0f, YogaMath.RoundValueToPixelGrid(6.01f, 2.0f, false, false));
Assert.AreEqual(6.5f, YogaMath.RoundValueToPixelGrid(6.01f, 2.0f, true, false));
Assert.AreEqual(6.0f, YogaMath.RoundValueToPixelGrid(6.01f, 2.0f, false, true));
Assert.AreEqual(6.0f, YogaMath.RoundValueToPixelGrid(5.99f, 2.0f, false, false));
Assert.AreEqual(6.0f, YogaMath.RoundValueToPixelGrid(5.99f, 2.0f, true, false));
Assert.AreEqual(5.5f, YogaMath.RoundValueToPixelGrid(5.99f, 2.0f, false, true));
// Same tests for negative numbers
Assert.AreEqual(-6.0f, YogaMath.RoundValueToPixelGrid(-6.01f, 2.0f, false, false));
Assert.AreEqual(-6.0f, YogaMath.RoundValueToPixelGrid(-6.01f, 2.0f, true, false));
Assert.AreEqual(-6.5f, YogaMath.RoundValueToPixelGrid(-6.01f, 2.0f, false, true));
Assert.AreEqual(-6.0f, YogaMath.RoundValueToPixelGrid(-5.99f, 2.0f, false, false));
Assert.AreEqual(-5.5f, YogaMath.RoundValueToPixelGrid(-5.99f, 2.0f, true, false));
Assert.AreEqual(-6.0f, YogaMath.RoundValueToPixelGrid(-5.99f, 2.0f, false, true));
}
public float GetTrailingBorder(YogaFlexDirection flexDirection)
{
if (flexDirection.IsRow() &&
_style.Border[YogaEdge.End].Unit != YogaUnit.Undefined &&
_style.Border[YogaEdge.End].Value != null &&
_style.Border[YogaEdge.End].Value >= 0.0f)
{
return(_style.Border[YogaEdge.End].Value.Value);
}
var computedEdgeValue = ComputedEdgeValue(_style.Border, Trailing[flexDirection], YogaValue.Zero).Value;
return(YogaMath.Max(computedEdgeValue, 0.0f));
}
public float GetLeadingBorder(YogaFlexDirection axis)
{
if (axis.IsRow() &&
_style.Border[YogaEdge.Start].Unit != YogaUnit.Undefined &&
_style.Border[YogaEdge.Start].Value != null &&
_style.Border[YogaEdge.Start].Value >= 0.0f)
{
return(_style.Border[YogaEdge.Start].Value.Value);
}
var computedEdgeValue = ComputedEdgeValue(_style.Border, Leading[axis], YogaValue.Zero).Value;
return(YogaMath.Max(computedEdgeValue, 0.0F));
}
public float GetTrailingPadding(YogaFlexDirection axis, float?widthSize)
{
var paddingEdgeEnd = _style.Padding[YogaEdge.End].Resolve(widthSize);
if (axis.IsRow() &&
_style.Padding[YogaEdge.End].Unit != YogaUnit.Undefined &&
paddingEdgeEnd != null &&
paddingEdgeEnd >= 0.0f)
{
return(paddingEdgeEnd.Value);
}
var resolvedValue = ComputedEdgeValue(_style.Padding, Trailing[axis], YogaValue.Zero).Resolve(widthSize);
return(YogaMath.Max(resolvedValue, 0.0f));
}