private void TestMeasureFuncWithDestructorForGC(YogaNode parent)
{
YogaNode child = new YogaNode();
parent.Insert(0, child);
child.SetMeasureFunction((_, width, widthMode, height, heightMode) => {
return(MeasureOutput.Make(120, 130));
});
}
public void TestMeasureFuncWithChild()
{
YogaNode node = new YogaNode();
YogaNode child = new YogaNode();
node.Insert(0, child);
node.SetMeasureFunction((_, width, widthMode, height, heightMode) => {
return(MeasureOutput.Make(100, 150));
});
}
public void TestMeasureFuncWithFloat()
{
YogaNode node = new YogaNode();
node.SetMeasureFunction((_, width, widthMode, height, heightMode) => {
return(MeasureOutput.Make(123.4f, 81.7f));
});
node.CalculateLayout();
Assert.AreEqual(123.4f, node.LayoutWidth);
Assert.AreEqual(81.7f, node.LayoutHeight);
}
public void TestMeasureFunc()
{
YogaNode node = new YogaNode();
node.SetMeasureFunction((_, width, widthMode, height, heightMode) => {
return(MeasureOutput.Make(100, 150));
});
node.CalculateLayout();
Assert.AreEqual(100, node.LayoutWidth);
Assert.AreEqual(150, node.LayoutHeight);
}
public void TestChildWithMeasureFunc()
{
YogaNode node = new YogaNode();
node.SetMeasureFunction((_, width, widthMode, height, heightMode) => {
return(MeasureOutput.Make(100, 150));
});
YogaNode child = new YogaNode();
Assert.Throws <InvalidOperationException>(() => node.Insert(0, child));
}
private YogaSize MeasureInternal(
IntPtr node,
float width,
YogaMeasureMode widthMode,
float height,
YogaMeasureMode heightMode)
{
if (_measureFunction == null)
{
throw new InvalidOperationException("Measure function is not defined.");
}
long output = _measureFunction(this, width, widthMode, height, heightMode);
return(new YogaSize {
width = MeasureOutput.GetWidth(output), height = MeasureOutput.GetHeight(output)
});
}