public void dirtied_propagation()
{
YogaNode root = YGNodeNew();
YGNodeStyleSetAlignItems(root, YogaAlign.FlexStart);
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
YogaNode rootChild0 = YGNodeNew();
YGNodeStyleSetWidth(rootChild0, 50);
YGNodeStyleSetHeight(rootChild0, 20);
YGNodeInsertChild(root, rootChild0, 0);
YogaNode rootChild1 = YGNodeNew();
YGNodeStyleSetWidth(rootChild1, 50);
YGNodeStyleSetHeight(rootChild1, 20);
YGNodeInsertChild(root, rootChild1, 1);
YGNodeCalculateLayout(root, YogaValue.YGUndefined, YogaValue.YGUndefined, Direction.LTR);
root.Context = 0;
root.DirtiedFunc = _dirtied;
Assert.AreEqual(0, (int)root.Context);
// `_dirtied` MUST be called for the first time.
rootChild0.MarkDirtyAndPropagate();
Assert.AreEqual(1, (int)root.Context);
// `_dirtied` must NOT be called for the second time.
rootChild0.MarkDirtyAndPropagate();
Assert.AreEqual(1, (int)root.Context);
}
public void dirtied_hierarchy()
{
YogaNode rootChild0, rootChild1;
YogaNode root = Node(alignItems: YogaAlign.FlexStart, width: 100, height: 100)
.Add(rootChild0 = Node(width: 50, height: 20))
.Add(rootChild1 = Node(width: 50, height: 20));
YogaArrange.CalculateLayout(root, YogaValue.YGUndefined, YogaValue.YGUndefined, Direction.LTR);
rootChild0.Context = 0;
rootChild0.DirtiedFunc = _dirtied;
Assert.AreEqual(0, (int)rootChild0.Context);
// `_dirtied` must NOT be called for descendants.
root.MarkDirtyAndPropagate();
Assert.AreEqual(0, (int)rootChild0.Context);
// `_dirtied` must NOT be called for the sibling node.
rootChild1.MarkDirtyAndPropagate();
Assert.AreEqual(0, (int)rootChild0.Context);
// `_dirtied` MUST be called in case of explicit dirtying.
rootChild0.MarkDirtyAndPropagate();
Assert.AreEqual(1, (int)rootChild0.Context);
}
public void dirtied_hierarchy()
{
YogaNode root = YGNodeNew();
YGNodeStyleSetAlignItems(root, YogaAlign.FlexStart);
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
YogaNode rootChild0 = YGNodeNew();
YGNodeStyleSetWidth(rootChild0, 50);
YGNodeStyleSetHeight(rootChild0, 20);
YGNodeInsertChild(root, rootChild0, 0);
YogaNode rootChild1 = YGNodeNew();
YGNodeStyleSetWidth(rootChild1, 50);
YGNodeStyleSetHeight(rootChild1, 20);
YGNodeInsertChild(root, rootChild1, 1);
YGNodeCalculateLayout(root, YogaValue.YGUndefined, YogaValue.YGUndefined, Direction.LTR);
rootChild0.Context = 0;
rootChild0.DirtiedFunc = _dirtied;
Assert.AreEqual(0, (int)rootChild0.Context);
// `_dirtied` must NOT be called for descendants.
root.MarkDirtyAndPropagate();
Assert.AreEqual(0, (int)rootChild0.Context);
// `_dirtied` must NOT be called for the sibling node.
rootChild1.MarkDirtyAndPropagate();
Assert.AreEqual(0, (int)rootChild0.Context);
// `_dirtied` MUST be called in case of explicit dirtying.
rootChild0.MarkDirtyAndPropagate();
Assert.AreEqual(1, (int)rootChild0.Context);
}