public void at_most_main_axis_row()
{
var constraintList = new _MeasureConstraintList();
YGNode root = YGNodeNew();
YGNodeStyleSetFlexDirection(root, YGFlexDirection.Row);
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
YGNode root_child0 = YGNodeNew();
root_child0.setContext(constraintList);
root_child0.setMeasureFunc(_measure);
YGNodeInsertChild(root, root_child0, 0);
YGNodeCalculateLayout(root, YGValue.YGUndefined, YGValue.YGUndefined, YGDirection.LTR);
Assert.AreEqual(1, constraintList.Count);
Assert.AreEqual(100, constraintList[0].width);
Assert.AreEqual(YGMeasureMode.AtMost, constraintList[0].widthMode);
// free(constraintList.constraints);
}
public void flex_child_with_flex_basis()
{
var constraintList = new _MeasureConstraintList();
YGNode root = YGNodeNew();
YGNodeStyleSetHeight(root, 100);
YGNode root_child0 = YGNodeNew();
YGNodeStyleSetFlexGrow(root_child0, 1);
YGNodeStyleSetFlexBasis(root_child0, 0);
root_child0.setContext(constraintList);
root_child0.setMeasureFunc(_measure);
YGNodeInsertChild(root, root_child0, 0);
YGNodeCalculateLayout(root, YGValue.YGUndefined, YGValue.YGUndefined, YGDirection.LTR);
Assert.AreEqual(1, constraintList.Count);
Assert.AreEqual(100, constraintList[0].height);
Assert.AreEqual(YGMeasureMode.Exactly, constraintList[0].heightMode);
// free(constraintList.constraints);
}
static void _dirtied(YGNode node)
{
int dirtiedCount = (int)node.getContext();
dirtiedCount++;
node.setContext(dirtiedCount);
}
public void overflow_scroll_row()
{
var constraintList = new _MeasureConstraintList();
YGNode root = YGNodeNew();
YGNodeStyleSetAlignItems(root, YGAlign.FlexStart);
YGNodeStyleSetFlexDirection(root, YGFlexDirection.Row);
YGNodeStyleSetOverflow(root, YGOverflow.Scroll);
YGNodeStyleSetHeight(root, 100);
YGNodeStyleSetWidth(root, 100);
YGNode root_child0 = YGNodeNew();
root_child0.setContext(constraintList);
root_child0.setMeasureFunc(_measure);
YGNodeInsertChild(root, root_child0, 0);
YGNodeCalculateLayout(root, YGValue.YGUndefined, YGValue.YGUndefined, YGDirection.LTR);
Assert.AreEqual(1, constraintList.Count);
Assert.IsTrue(YogaIsUndefined(constraintList[0].width));
Assert.AreEqual(YGMeasureMode.Undefined, constraintList[0].widthMode);
Assert.AreEqual(100, constraintList[0].height);
Assert.AreEqual(YGMeasureMode.AtMost, constraintList[0].heightMode);
// free(constraintList.constraints);
}
[Test] public void remeasure_with_already_measured_value_smaller_but_still_float_equal()
{
YGNode root = YGNodeNew();
YGNodeStyleSetWidth(root, 288f);
YGNodeStyleSetHeight(root, 288f);
YGNodeStyleSetFlexDirection(root, YGFlexDirection.Row);
YGNode root_child0 = YGNodeNew();
YGNodeStyleSetPadding(root_child0, YGEdge.All, 2.88f);
YGNodeStyleSetFlexDirection(root_child0, YGFlexDirection.Row);
YGNodeInsertChild(root, root_child0, 0);
YGNode root_child0_child0 = YGNodeNew();
root_child0_child0.setContext(0);
root_child0_child0.setMeasureFunc(_measure_84_49);
YGNodeInsertChild(root_child0, root_child0_child0, 0);
YGNodeCalculateLayout(root, YGValue.YGUndefined, YGValue.YGUndefined, YGDirection.LTR);
Assert.AreEqual(1, (int)root_child0_child0.getContext());
}
public void exactly_measure_stretched_child_row()
{
_MeasureConstraintList constraintList = new _MeasureConstraintList();
YGNode root = YGNodeNew();
YGNodeStyleSetFlexDirection(root, YGFlexDirection.Row);
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
YGNode root_child0 = YGNodeNew();
// root_child0.setContext(&constraintList);
root_child0.setContext(constraintList);
root_child0.setMeasureFunc(_measure);
YGNodeInsertChild(root, root_child0, 0);
YGNodeCalculateLayout(root, YGValue.YGUndefined, YGValue.YGUndefined, YGDirection.LTR);
Assert.AreEqual(1, constraintList.Count);
Assert.AreEqual(100, constraintList[0].height);
Assert.AreEqual(YGMeasureMode.Exactly, constraintList[0].heightMode);
// free(constraintList.constraints);
}
[Test] public void dirtied_propagation()
{
YGNode root = YGNodeNew();
YGNodeStyleSetAlignItems(root, YGAlign.FlexStart);
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
YGNode root_child0 = YGNodeNew();
YGNodeStyleSetWidth(root_child0, 50);
YGNodeStyleSetHeight(root_child0, 20);
YGNodeInsertChild(root, root_child0, 0);
YGNode root_child1 = YGNodeNew();
YGNodeStyleSetWidth(root_child1, 50);
YGNodeStyleSetHeight(root_child1, 20);
YGNodeInsertChild(root, root_child1, 1);
YGNodeCalculateLayout(root, YGValue.YGUndefined, YGValue.YGUndefined, YGDirection.LTR);
root.setContext(0);
root.setDirtiedFunc(_dirtied);
Assert.AreEqual(0, (int)root.getContext());
// `_dirtied` MUST be called for the first time.
root_child0.markDirtyAndPropogate();
Assert.AreEqual(1, (int)root.getContext());
// `_dirtied` must NOT be called for the second time.
root_child0.markDirtyAndPropogate();
Assert.AreEqual(1, (int)root.getContext());
}
public void dont_measure_when_min_equals_max()
{
YGNode root = YGNodeNew();
YGNodeStyleSetAlignItems(root, YGAlign.FlexStart);
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
YGNode root_child0 = YGNodeNew();
root_child0.setContext(0);
root_child0.setMeasureFunc(_measure);
YGNodeStyleSetMinWidth(root_child0, 10);
YGNodeStyleSetMaxWidth(root_child0, 10);
YGNodeStyleSetMinHeight(root_child0, 10);
YGNodeStyleSetMaxHeight(root_child0, 10);
YGNodeInsertChild(root, root_child0, 0);
YGNodeCalculateLayout(root, YGValue.YGUndefined, YGValue.YGUndefined, YGDirection.LTR);
Assert.AreEqual(0, (int)root_child0.getContext());
Assert.AreEqual(0, YGNodeLayoutGetLeft(root_child0));
Assert.AreEqual(0, YGNodeLayoutGetTop(root_child0));
Assert.AreEqual(10, YGNodeLayoutGetWidth(root_child0));
Assert.AreEqual(10, YGNodeLayoutGetHeight(root_child0));
}
[Test] public void align_baseline_customer_func()
{
YGNode root = YGNodeNew();
YGNodeStyleSetFlexDirection(root, YGFlexDirection.Row);
YGNodeStyleSetAlignItems(root, YGAlign.Baseline);
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
YGNode root_child0 = YGNodeNew();
YGNodeStyleSetWidth(root_child0, 50);
YGNodeStyleSetHeight(root_child0, 50);
YGNodeInsertChild(root, root_child0, 0);
YGNode root_child1 = YGNodeNew();
YGNodeStyleSetWidth(root_child1, 50);
YGNodeStyleSetHeight(root_child1, 20);
YGNodeInsertChild(root, root_child1, 1);
float baselineValue = 10;
YGNode root_child1_child0 = YGNodeNew();
root_child1_child0.setContext(baselineValue);
YGNodeStyleSetWidth(root_child1_child0, 50);
root_child1_child0.setBaselineFunc(_baseline);
YGNodeStyleSetHeight(root_child1_child0, 20);
YGNodeInsertChild(root_child1, root_child1_child0, 0);
YGNodeCalculateLayout(root, YGValue.YGUndefined, YGValue.YGUndefined, YGDirection.LTR);
Assert.AreEqual(0, YGNodeLayoutGetLeft(root));
Assert.AreEqual(0, YGNodeLayoutGetTop(root));
Assert.AreEqual(100, YGNodeLayoutGetWidth(root));
Assert.AreEqual(100, YGNodeLayoutGetHeight(root));
Assert.AreEqual(0, YGNodeLayoutGetLeft(root_child0));
Assert.AreEqual(0, YGNodeLayoutGetTop(root_child0));
Assert.AreEqual(50, YGNodeLayoutGetWidth(root_child0));
Assert.AreEqual(50, YGNodeLayoutGetHeight(root_child0));
Assert.AreEqual(50, YGNodeLayoutGetLeft(root_child1));
Assert.AreEqual(40, YGNodeLayoutGetTop(root_child1));
Assert.AreEqual(50, YGNodeLayoutGetWidth(root_child1));
Assert.AreEqual(20, YGNodeLayoutGetHeight(root_child1));
Assert.AreEqual(0, YGNodeLayoutGetLeft(root_child1_child0));
Assert.AreEqual(0, YGNodeLayoutGetTop(root_child1_child0));
Assert.AreEqual(50, YGNodeLayoutGetWidth(root_child1_child0));
Assert.AreEqual(20, YGNodeLayoutGetHeight(root_child1_child0));
}
[Test] public void remeasure_with_same_exact_width_larger_than_needed_height()
{
YGNode root = YGNodeNew();
YGNode root_child0 = YGNodeNew();
root_child0.setContext(0);
root_child0.setMeasureFunc(_measureMin);
YGNodeInsertChild(root, root_child0, 0);
YGNodeCalculateLayout(root, 100, 100, YGDirection.LTR);
YGNodeCalculateLayout(root, 100, 50, YGDirection.LTR);
Assert.AreEqual(1, (int)root_child0.getContext());
}
[Test] public void remeasure_with_atmost_computed_width_undefined_height()
{
YGNode root = YGNodeNew();
YGNodeStyleSetAlignItems(root, YGAlign.FlexStart);
YGNode root_child0 = YGNodeNew();
root_child0.setContext(0);
root_child0.setMeasureFunc(_measureMin);
YGNodeInsertChild(root, root_child0, 0);
YGNodeCalculateLayout(root, 100, YGValue.YGUndefined, YGDirection.LTR);
YGNodeCalculateLayout(root, 10, YGValue.YGUndefined, YGDirection.LTR);
Assert.AreEqual(1, (int)root_child0.getContext());
}
[Test] public void remeasure_with_computed_width_larger_than_needed_height()
{
YGNode root = YGNodeNew();
YGNodeStyleSetAlignItems(root, YGAlign.FlexStart);
YGNode root_child0 = YGNodeNew();
root_child0.setContext(0);
root_child0.setMeasureFunc(_measureMin);
YGNodeInsertChild(root, root_child0, 0);
YGNodeCalculateLayout(root, 100, 100, YGDirection.LTR);
YGNodeStyleSetAlignItems(root, YGAlign.Stretch);
YGNodeCalculateLayout(root, 10, 50, YGDirection.LTR);
Assert.AreEqual(1, (int)root_child0.getContext());
}
public void measure_absolute_child_with_no_constraints()
{
YGNode root = YGNodeNew();
YGNode root_child0 = YGNodeNew();
YGNodeInsertChild(root, root_child0, 0);
YGNode root_child0_child0 = YGNodeNew();
YGNodeStyleSetPositionType(root_child0_child0, YGPositionType.Absolute);
root_child0_child0.setContext(0);
root_child0_child0.setMeasureFunc(_measure);
YGNodeInsertChild(root_child0, root_child0_child0, 0);
YGNodeCalculateLayout(root, YGValue.YGUndefined, YGValue.YGUndefined, YGDirection.LTR);
Assert.AreEqual(1, (int)root_child0_child0.getContext());
}
public void dont_measure_single_grow_shrink_child()
{
YGNode root = YGNodeNew();
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
YGNode root_child0 = YGNodeNew();
root_child0.setContext(0);
root_child0.setMeasureFunc(_measure);
YGNodeStyleSetFlexGrow(root_child0, 1);
YGNodeStyleSetFlexShrink(root_child0, 1);
YGNodeInsertChild(root, root_child0, 0);
YGNodeCalculateLayout(root, YGValue.YGUndefined, YGValue.YGUndefined, YGDirection.LTR);
Assert.AreEqual(0, (int)root_child0.getContext());
}
[Test] public void measure_once_single_flexible_child()
{
YGNode root = YGNodeNew();
YGNodeStyleSetFlexDirection(root, YGFlexDirection.Row);
YGNodeStyleSetAlignItems(root, YGAlign.FlexStart);
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
YGNode root_child0 = YGNodeNew();
root_child0.setContext(0);
root_child0.setMeasureFunc(_measureMax);
YGNodeStyleSetFlexGrow(root_child0, 1);
YGNodeInsertChild(root, root_child0, 0);
YGNodeCalculateLayout(root, YGValue.YGUndefined, YGValue.YGUndefined, YGDirection.LTR);
Assert.AreEqual(1, (int)root_child0.getContext());
}
[Test] public void dirtied_hierarchy()
{
YGNode root = YGNodeNew();
YGNodeStyleSetAlignItems(root, YGAlign.FlexStart);
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
YGNode root_child0 = YGNodeNew();
YGNodeStyleSetWidth(root_child0, 50);
YGNodeStyleSetHeight(root_child0, 20);
YGNodeInsertChild(root, root_child0, 0);
YGNode root_child1 = YGNodeNew();
YGNodeStyleSetWidth(root_child1, 50);
YGNodeStyleSetHeight(root_child1, 20);
YGNodeInsertChild(root, root_child1, 1);
YGNodeCalculateLayout(root, YGValue.YGUndefined, YGValue.YGUndefined, YGDirection.LTR);
root_child0.setContext(0);
root_child0.setDirtiedFunc(_dirtied);
Assert.AreEqual(0, (int)root_child0.getContext());
// `_dirtied` must NOT be called for descendants.
root.markDirtyAndPropogate();
Assert.AreEqual(0, (int)root_child0.getContext());
// `_dirtied` must NOT be called for the sibling node.
root_child1.markDirtyAndPropogate();
Assert.AreEqual(0, (int)root_child0.getContext());
// `_dirtied` MUST be called in case of explicit dirtying.
root_child0.markDirtyAndPropogate();
Assert.AreEqual(1, (int)root_child0.getContext());
}
public void measure_zero_space_should_grow()
{
YGNode root = YGNodeNew();
YGNodeStyleSetHeight(root, 200);
YGNodeStyleSetFlexDirection(root, YGFlexDirection.Column);
YGNodeStyleSetFlexGrow(root, 0);
YGNode root_child0 = YGNodeNew();
YGNodeStyleSetFlexDirection(root_child0, YGFlexDirection.Column);
YGNodeStyleSetPadding(root_child0, YGEdge.All, 100);
root_child0.setContext(0);
root_child0.setMeasureFunc(_measure);
YGNodeInsertChild(root, root_child0, 0);
YGNodeCalculateLayout(root, 282, YGValue.YGUndefined, YGDirection.LTR);
Assert.AreEqual(282, YGNodeLayoutGetWidth(root_child0));
Assert.AreEqual(0, YGNodeLayoutGetTop(root_child0));
}
[Test] public void dirtied()
{
YGNode root = YGNodeNew();
YGNodeStyleSetAlignItems(root, YGAlign.FlexStart);
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
YGNodeCalculateLayout(root, YGValue.YGUndefined, YGValue.YGUndefined, YGDirection.LTR);
//int dirtiedCount = 0;
root.setContext(0);
root.setDirtiedFunc(_dirtied);
Assert.AreEqual(0, (int)root.getContext());
// `_dirtied` MUST be called in case of explicit dirtying.
root.setDirty(true);
Assert.AreEqual(1, (int)root.getContext());
// `_dirtied` MUST be called ONCE.
root.setDirty(true);
Assert.AreEqual(1, (int)root.getContext());
}