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Fix absolute positioning in reverse wrapping container

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Summary: aligning with odd web behaviour

Reviewed By: gkassabli

Differential Revision: D5144145

fbshipit-source-id: da6ef999ec0aabacf499017d1cfa81fc8f66e4bd
This commit is contained in:
Emil Sjolander
2017-05-29 07:50:43 -07:00
committed by Facebook Github Bot
parent 5a3ceffba1
commit 56b10fc35b
6 changed files with 354 additions and 1 deletions
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85
csharp/tests/Facebook.Yoga/YGAbsolutePositionTest.cs
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@@ -865,5 +865,90 @@ namespace Facebook.Yoga
Assert.AreEqual(160f, root_child2.LayoutHeight);
}
[Test]
public void Test_absolute_layout_in_wrap_reverse_column_container()
{
YogaConfig config = new YogaConfig();
YogaNode root = new YogaNode(config);
root.Wrap = YogaWrap.WrapReverse;
root.Width = 100;
root.Height = 100;
YogaNode root_child0 = new YogaNode(config);
root_child0.PositionType = YogaPositionType.Absolute;
root_child0.Width = 20;
root_child0.Height = 20;
root.Insert(0, root_child0);
root.StyleDirection = YogaDirection.LTR;
root.CalculateLayout();
Assert.AreEqual(0f, root.LayoutX);
Assert.AreEqual(0f, root.LayoutY);
Assert.AreEqual(100f, root.LayoutWidth);
Assert.AreEqual(100f, root.LayoutHeight);
Assert.AreEqual(80f, root_child0.LayoutX);
Assert.AreEqual(0f, root_child0.LayoutY);
Assert.AreEqual(20f, root_child0.LayoutWidth);
Assert.AreEqual(20f, root_child0.LayoutHeight);
root.StyleDirection = YogaDirection.RTL;
root.CalculateLayout();
Assert.AreEqual(0f, root.LayoutX);
Assert.AreEqual(0f, root.LayoutY);
Assert.AreEqual(100f, root.LayoutWidth);
Assert.AreEqual(100f, root.LayoutHeight);
Assert.AreEqual(0f, root_child0.LayoutX);
Assert.AreEqual(0f, root_child0.LayoutY);
Assert.AreEqual(20f, root_child0.LayoutWidth);
Assert.AreEqual(20f, root_child0.LayoutHeight);
}
[Test]
public void Test_absolute_layout_in_wrap_reverse_row_container()
{
YogaConfig config = new YogaConfig();
YogaNode root = new YogaNode(config);
root.FlexDirection = YogaFlexDirection.Row;
root.Wrap = YogaWrap.WrapReverse;
root.Width = 100;
root.Height = 100;
YogaNode root_child0 = new YogaNode(config);
root_child0.PositionType = YogaPositionType.Absolute;
root_child0.Width = 20;
root_child0.Height = 20;
root.Insert(0, root_child0);
root.StyleDirection = YogaDirection.LTR;
root.CalculateLayout();
Assert.AreEqual(0f, root.LayoutX);
Assert.AreEqual(0f, root.LayoutY);
Assert.AreEqual(100f, root.LayoutWidth);
Assert.AreEqual(100f, root.LayoutHeight);
Assert.AreEqual(0f, root_child0.LayoutX);
Assert.AreEqual(80f, root_child0.LayoutY);
Assert.AreEqual(20f, root_child0.LayoutWidth);
Assert.AreEqual(20f, root_child0.LayoutHeight);
root.StyleDirection = YogaDirection.RTL;
root.CalculateLayout();
Assert.AreEqual(0f, root.LayoutX);
Assert.AreEqual(0f, root.LayoutY);
Assert.AreEqual(100f, root.LayoutWidth);
Assert.AreEqual(100f, root.LayoutHeight);
Assert.AreEqual(80f, root_child0.LayoutX);
Assert.AreEqual(80f, root_child0.LayoutY);
Assert.AreEqual(20f, root_child0.LayoutWidth);
Assert.AreEqual(20f, root_child0.LayoutHeight);
}
}
}