yoga/csharp/tests/Facebook.CSSLayout/CSSLayoutAbsolutePositionTest.cs

/**
 * Copyright (c) 2014-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */

/**
 * @Generated by gentest/gentest.sh with the following input
 *
<div id="absolute_layout_width_height_start_top" style="width: 100px; height: 100px;">
  <div style="width:10px; height: 10px; position: absolute; start: 10px; top: 10px;"></div>
</div>

<div id="absolute_layout_width_height_end_bottom" style="width: 100px; height: 100px;">
  <div style="width:10px; height: 10px; position: absolute; end: 10px; bottom: 10px;"></div>
</div>

<div id="absolute_layout_start_top_end_bottom" style="width: 100px; height: 100px;">
  <div style="position: absolute; start: 10px; top: 10px; end: 10px; bottom: 10px;"></div>
</div>

<div id="absolute_layout_width_height_start_top_end_bottom" style="width: 100px; height: 100px;">
  <div style="width:10px; height: 10px; position: absolute; start: 10px; top: 10px; end: 10px; bottom: 10px;"></div>
</div>

<div id="do_not_clamp_height_of_absolute_node_to_height_of_its_overflow_hidden_parent" style="height: 50px; width: 50px; overflow: hidden; flex-direction: row;">
  <div style="position: absolute; start: 0px; top: 0px;">
    <div style="width: 100px; height: 100px;"></div>
  </div>
</div>

<div id="absolute_layout_within_border" style="height:100px; width:100px; border-width: 10px; margin: 10px; padding: 10px;">
  <div style="position: absolute; width: 50px; height: 50px; left: 0px; top: 0px;"></div>
  <div style="position: absolute; width: 50px; height: 50px; right: 0px; bottom: 0px;"></div>
</div>
 *
 */

using System;
using NUnit.Framework;

namespace Facebook.CSSLayout
{
    [TestFixture]
    public class CSSLayoutAbsolutePositionTest
    {
        [Test]
        public void Test_absolute_layout_width_height_start_top()
        {
            CSSNode root = new CSSNode();
            root.StyleWidth = 100;
            root.StyleHeight = 100;

            CSSNode root_child0 = new CSSNode();
            root_child0.PositionType = CSSPositionType.Absolute;
            root_child0.SetPosition(CSSEdge.Start, 10);
            root_child0.SetPosition(CSSEdge.Top, 10);
            root_child0.StyleWidth = 10;
            root_child0.StyleHeight = 10;
            root.Insert(0, root_child0);
            root.StyleDirection = CSSDirection.LeftToRight;
            root.CalculateLayout();

            Assert.AreEqual(0, root.LayoutX);
            Assert.AreEqual(0, root.LayoutY);
            Assert.AreEqual(100, root.LayoutWidth);
            Assert.AreEqual(100, root.LayoutHeight);

            Assert.AreEqual(10, root_child0.LayoutX);
            Assert.AreEqual(10, root_child0.LayoutY);
            Assert.AreEqual(10, root_child0.LayoutWidth);
            Assert.AreEqual(10, root_child0.LayoutHeight);

            root.StyleDirection = CSSDirection.RightToLeft;
            root.CalculateLayout();

            Assert.AreEqual(0, root.LayoutX);
            Assert.AreEqual(0, root.LayoutY);
            Assert.AreEqual(100, root.LayoutWidth);
            Assert.AreEqual(100, root.LayoutHeight);

            Assert.AreEqual(80, root_child0.LayoutX);
            Assert.AreEqual(10, root_child0.LayoutY);
            Assert.AreEqual(10, root_child0.LayoutWidth);
            Assert.AreEqual(10, root_child0.LayoutHeight);
        }

        [Test]
        public void Test_absolute_layout_width_height_end_bottom()
        {
            CSSNode root = new CSSNode();
            root.StyleWidth = 100;
            root.StyleHeight = 100;

            CSSNode root_child0 = new CSSNode();
            root_child0.PositionType = CSSPositionType.Absolute;
            root_child0.SetPosition(CSSEdge.End, 10);
            root_child0.SetPosition(CSSEdge.Bottom, 10);
            root_child0.StyleWidth = 10;
            root_child0.StyleHeight = 10;
            root.Insert(0, root_child0);
            root.StyleDirection = CSSDirection.LeftToRight;
            root.CalculateLayout();

            Assert.AreEqual(0, root.LayoutX);
            Assert.AreEqual(0, root.LayoutY);
            Assert.AreEqual(100, root.LayoutWidth);
            Assert.AreEqual(100, root.LayoutHeight);

            Assert.AreEqual(80, root_child0.LayoutX);
            Assert.AreEqual(80, root_child0.LayoutY);
            Assert.AreEqual(10, root_child0.LayoutWidth);
            Assert.AreEqual(10, root_child0.LayoutHeight);

            root.StyleDirection = CSSDirection.RightToLeft;
            root.CalculateLayout();

            Assert.AreEqual(0, root.LayoutX);
            Assert.AreEqual(0, root.LayoutY);
            Assert.AreEqual(100, root.LayoutWidth);
            Assert.AreEqual(100, root.LayoutHeight);

            Assert.AreEqual(10, root_child0.LayoutX);
            Assert.AreEqual(80, root_child0.LayoutY);
            Assert.AreEqual(10, root_child0.LayoutWidth);
            Assert.AreEqual(10, root_child0.LayoutHeight);
        }

        [Test]
        public void Test_absolute_layout_start_top_end_bottom()
        {
            CSSNode root = new CSSNode();
            root.StyleWidth = 100;
            root.StyleHeight = 100;

            CSSNode root_child0 = new CSSNode();
            root_child0.PositionType = CSSPositionType.Absolute;
            root_child0.SetPosition(CSSEdge.Start, 10);
            root_child0.SetPosition(CSSEdge.Top, 10);
            root_child0.SetPosition(CSSEdge.End, 10);
            root_child0.SetPosition(CSSEdge.Bottom, 10);
            root.Insert(0, root_child0);
            root.StyleDirection = CSSDirection.LeftToRight;
            root.CalculateLayout();

            Assert.AreEqual(0, root.LayoutX);
            Assert.AreEqual(0, root.LayoutY);
            Assert.AreEqual(100, root.LayoutWidth);
            Assert.AreEqual(100, root.LayoutHeight);

            Assert.AreEqual(10, root_child0.LayoutX);
            Assert.AreEqual(10, root_child0.LayoutY);
            Assert.AreEqual(80, root_child0.LayoutWidth);
            Assert.AreEqual(80, root_child0.LayoutHeight);

            root.StyleDirection = CSSDirection.RightToLeft;
            root.CalculateLayout();

            Assert.AreEqual(0, root.LayoutX);
            Assert.AreEqual(0, root.LayoutY);
            Assert.AreEqual(100, root.LayoutWidth);
            Assert.AreEqual(100, root.LayoutHeight);

            Assert.AreEqual(10, root_child0.LayoutX);
            Assert.AreEqual(10, root_child0.LayoutY);
            Assert.AreEqual(80, root_child0.LayoutWidth);
            Assert.AreEqual(80, root_child0.LayoutHeight);
        }

        [Test]
        public void Test_absolute_layout_width_height_start_top_end_bottom()
        {
            CSSNode root = new CSSNode();
            root.StyleWidth = 100;
            root.StyleHeight = 100;

            CSSNode root_child0 = new CSSNode();
            root_child0.PositionType = CSSPositionType.Absolute;
            root_child0.SetPosition(CSSEdge.Start, 10);
            root_child0.SetPosition(CSSEdge.Top, 10);
            root_child0.SetPosition(CSSEdge.End, 10);
            root_child0.SetPosition(CSSEdge.Bottom, 10);
            root_child0.StyleWidth = 10;
            root_child0.StyleHeight = 10;
            root.Insert(0, root_child0);
            root.StyleDirection = CSSDirection.LeftToRight;
            root.CalculateLayout();

            Assert.AreEqual(0, root.LayoutX);
            Assert.AreEqual(0, root.LayoutY);
            Assert.AreEqual(100, root.LayoutWidth);
            Assert.AreEqual(100, root.LayoutHeight);

            Assert.AreEqual(10, root_child0.LayoutX);
            Assert.AreEqual(10, root_child0.LayoutY);
            Assert.AreEqual(10, root_child0.LayoutWidth);
            Assert.AreEqual(10, root_child0.LayoutHeight);

            root.StyleDirection = CSSDirection.RightToLeft;
            root.CalculateLayout();

            Assert.AreEqual(0, root.LayoutX);
            Assert.AreEqual(0, root.LayoutY);
            Assert.AreEqual(100, root.LayoutWidth);
            Assert.AreEqual(100, root.LayoutHeight);

            Assert.AreEqual(80, root_child0.LayoutX);
            Assert.AreEqual(10, root_child0.LayoutY);
            Assert.AreEqual(10, root_child0.LayoutWidth);
            Assert.AreEqual(10, root_child0.LayoutHeight);
        }

        [Test]
        public void Test_do_not_clamp_height_of_absolute_node_to_height_of_its_overflow_hidden_parent()
        {
            CSSNode root = new CSSNode();
            root.FlexDirection = CSSFlexDirection.Row;
            root.Overflow = CSSOverflow.Hidden;
            root.StyleWidth = 50;
            root.StyleHeight = 50;

            CSSNode root_child0 = new CSSNode();
            root_child0.PositionType = CSSPositionType.Absolute;
            root_child0.SetPosition(CSSEdge.Start, 0);
            root_child0.SetPosition(CSSEdge.Top, 0);
            root.Insert(0, root_child0);

            CSSNode root_child0_child0 = new CSSNode();
            root_child0_child0.StyleWidth = 100;
            root_child0_child0.StyleHeight = 100;
            root_child0.Insert(0, root_child0_child0);
            root.StyleDirection = CSSDirection.LeftToRight;
            root.CalculateLayout();

            Assert.AreEqual(0, root.LayoutX);
            Assert.AreEqual(0, root.LayoutY);
            Assert.AreEqual(50, root.LayoutWidth);
            Assert.AreEqual(50, root.LayoutHeight);

            Assert.AreEqual(0, root_child0.LayoutX);
            Assert.AreEqual(0, root_child0.LayoutY);
            Assert.AreEqual(100, root_child0.LayoutWidth);
            Assert.AreEqual(100, root_child0.LayoutHeight);

            Assert.AreEqual(0, root_child0_child0.LayoutX);
            Assert.AreEqual(0, root_child0_child0.LayoutY);
            Assert.AreEqual(100, root_child0_child0.LayoutWidth);
            Assert.AreEqual(100, root_child0_child0.LayoutHeight);

            root.StyleDirection = CSSDirection.RightToLeft;
            root.CalculateLayout();

            Assert.AreEqual(0, root.LayoutX);
            Assert.AreEqual(0, root.LayoutY);
            Assert.AreEqual(50, root.LayoutWidth);
            Assert.AreEqual(50, root.LayoutHeight);

            Assert.AreEqual(-50, root_child0.LayoutX);
            Assert.AreEqual(0, root_child0.LayoutY);
            Assert.AreEqual(100, root_child0.LayoutWidth);
            Assert.AreEqual(100, root_child0.LayoutHeight);

            Assert.AreEqual(0, root_child0_child0.LayoutX);
            Assert.AreEqual(0, root_child0_child0.LayoutY);
            Assert.AreEqual(100, root_child0_child0.LayoutWidth);
            Assert.AreEqual(100, root_child0_child0.LayoutHeight);
        }

        [Test]
        public void Test_absolute_layout_within_border()
        {
            CSSNode root = new CSSNode();
            root.SetMargin(CSSEdge.Left, 10);
            root.SetMargin(CSSEdge.Top, 10);
            root.SetMargin(CSSEdge.Right, 10);
            root.SetMargin(CSSEdge.Bottom, 10);
            root.SetPadding(CSSEdge.Left, 10);
            root.SetPadding(CSSEdge.Top, 10);
            root.SetPadding(CSSEdge.Right, 10);
            root.SetPadding(CSSEdge.Bottom, 10);
            root.SetBorder(CSSEdge.Left, 10);
            root.SetBorder(CSSEdge.Top, 10);
            root.SetBorder(CSSEdge.Right, 10);
            root.SetBorder(CSSEdge.Bottom, 10);
            root.StyleWidth = 100;
            root.StyleHeight = 100;

            CSSNode root_child0 = new CSSNode();
            root_child0.PositionType = CSSPositionType.Absolute;
            root_child0.SetPosition(CSSEdge.Left, 0);
            root_child0.SetPosition(CSSEdge.Top, 0);
            root_child0.StyleWidth = 50;
            root_child0.StyleHeight = 50;
            root.Insert(0, root_child0);

            CSSNode root_child1 = new CSSNode();
            root_child1.PositionType = CSSPositionType.Absolute;
            root_child1.SetPosition(CSSEdge.Right, 0);
            root_child1.SetPosition(CSSEdge.Bottom, 0);
            root_child1.StyleWidth = 50;
            root_child1.StyleHeight = 50;
            root.Insert(1, root_child1);
            root.StyleDirection = CSSDirection.LeftToRight;
            root.CalculateLayout();

            Assert.AreEqual(10, root.LayoutX);
            Assert.AreEqual(10, root.LayoutY);
            Assert.AreEqual(100, root.LayoutWidth);
            Assert.AreEqual(100, root.LayoutHeight);

            Assert.AreEqual(10, root_child0.LayoutX);
            Assert.AreEqual(10, root_child0.LayoutY);
            Assert.AreEqual(50, root_child0.LayoutWidth);
            Assert.AreEqual(50, root_child0.LayoutHeight);

            Assert.AreEqual(40, root_child1.LayoutX);
            Assert.AreEqual(40, root_child1.LayoutY);
            Assert.AreEqual(50, root_child1.LayoutWidth);
            Assert.AreEqual(50, root_child1.LayoutHeight);

            root.StyleDirection = CSSDirection.RightToLeft;
            root.CalculateLayout();

            Assert.AreEqual(10, root.LayoutX);
            Assert.AreEqual(10, root.LayoutY);
            Assert.AreEqual(100, root.LayoutWidth);
            Assert.AreEqual(100, root.LayoutHeight);

            Assert.AreEqual(10, root_child0.LayoutX);
            Assert.AreEqual(10, root_child0.LayoutY);
            Assert.AreEqual(50, root_child0.LayoutWidth);
            Assert.AreEqual(50, root_child0.LayoutHeight);

            Assert.AreEqual(40, root_child1.LayoutX);
            Assert.AreEqual(40, root_child1.LayoutY);
            Assert.AreEqual(50, root_child1.LayoutWidth);
            Assert.AreEqual(50, root_child1.LayoutHeight);
        }

    }
}