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Restructure things to fit upcoming diff

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This commit is contained in:
Emil Sjolander
2016-07-25 15:48:39 +01:00
parent 667106e423
commit 93809b69c8
86 changed files with 0 additions and 0 deletions
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240
java/csharp/Facebook.CSSLayout.Tests/LayoutCachingTest.cs Normal file
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/**
* Copyright (c) 2014, 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.
*/
using NUnit.Framework;
namespace Facebook.CSSLayout.Tests
{
/**
* Tests for {@link LayoutEngine} and {@link CSSNode} to make sure layouts are only generated when
* needed.
*/
public class LayoutCachingTest
{
private void assertTreeHasNewLayout(bool expectedHasNewLayout, CSSNode root)
{
Assert.AreEqual(expectedHasNewLayout, root.HasNewLayout);
for (int i = 0; i < root.getChildCount(); i++)
{
assertTreeHasNewLayout(expectedHasNewLayout, root.getChildAt(i));
}
}
private void markLayoutAppliedForTree(CSSNode root)
{
root.MarkLayoutSeen();
for (int i = 0; i < root.getChildCount(); i++)
{
markLayoutAppliedForTree(root.getChildAt(i));
}
}
[Test]
public void testCachesFullTree()
{
CSSNode root = new CSSNode();
CSSNode c0 = new CSSNode();
CSSNode c1 = new CSSNode();
CSSNode c0c0 = new CSSNode();
root.addChildAt(c0, 0);
root.addChildAt(c1, 1);
c0.addChildAt(c0c0, 0);
root.calculateLayout();
assertTreeHasNewLayout(true, root);
markLayoutAppliedForTree(root);
root.calculateLayout();
Assert.IsTrue(root.HasNewLayout);
assertTreeHasNewLayout(false, c0);
assertTreeHasNewLayout(false, c1);
}
[Test]
public void testInvalidatesCacheWhenChildAdded()
{
CSSNode root = new CSSNode();
CSSNode c0 = new CSSNode();
CSSNode c1 = new CSSNode();
CSSNode c0c0 = new CSSNode();
CSSNode c0c1 = new CSSNode();
CSSNode c1c0 = new CSSNode();
c0c1.Width = 200;
c0c1.Height = 200;
root.addChildAt(c0, 0);
root.addChildAt(c1, 1);
c0.addChildAt(c0c0, 0);
c0c0.addChildAt(c1c0, 0);
root.calculateLayout();
markLayoutAppliedForTree(root);
c0.addChildAt(c0c1, 1);
root.calculateLayout();
Assert.IsTrue(root.HasNewLayout);
Assert.IsTrue(c0.HasNewLayout);
Assert.IsTrue(c0c1.HasNewLayout);
Assert.IsTrue(c0c0.HasNewLayout);
Assert.IsTrue(c1.HasNewLayout);
Assert.IsTrue(c1c0.HasNewLayout);
}
[Test]
public void testInvalidatesCacheWhenEnumPropertyChanges()
{
CSSNode root = new CSSNode();
CSSNode c0 = new CSSNode();
CSSNode c1 = new CSSNode();
CSSNode c0c0 = new CSSNode();
root.addChildAt(c0, 0);
root.addChildAt(c1, 1);
c0.addChildAt(c0c0, 0);
root.calculateLayout();
markLayoutAppliedForTree(root);
c1.AlignSelf = CSSAlign.Center;
root.calculateLayout();
Assert.IsTrue(root.HasNewLayout);
Assert.IsTrue(c1.HasNewLayout);
Assert.IsTrue(c0.HasNewLayout);
Assert.IsFalse(c0c0.HasNewLayout);
}
[Test]
public void testInvalidatesCacheWhenFloatPropertyChanges()
{
CSSNode root = new CSSNode();
CSSNode c0 = new CSSNode();
CSSNode c1 = new CSSNode();
CSSNode c0c0 = new CSSNode();
root.addChildAt(c0, 0);
root.addChildAt(c1, 1);
c0.addChildAt(c0c0, 0);
root.calculateLayout();
markLayoutAppliedForTree(root);
c1.SetMargin(CSSSpacingType.Left, 10);
root.calculateLayout();
Assert.IsTrue(root.HasNewLayout);
Assert.IsTrue(c1.HasNewLayout);
Assert.IsTrue(c0.HasNewLayout);
Assert.IsTrue(c0c0.HasNewLayout);
}
[Test]
public void testInvalidatesFullTreeWhenParentWidthChanges()
{
CSSNode root = new CSSNode();
CSSNode c0 = new CSSNode();
CSSNode c1 = new CSSNode();
CSSNode c0c0 = new CSSNode();
CSSNode c1c0 = new CSSNode();
root.addChildAt(c0, 0);
root.addChildAt(c1, 1);
c0.addChildAt(c0c0, 0);
c1.addChildAt(c1c0, 0);
root.calculateLayout();
markLayoutAppliedForTree(root);
c0.Width = 200;
root.calculateLayout();
Assert.IsTrue(root.HasNewLayout);
Assert.IsTrue(c0.HasNewLayout);
Assert.IsTrue(c0c0.HasNewLayout);
Assert.IsTrue(c1.HasNewLayout);
Assert.IsTrue(c1c0.HasNewLayout);
}
[Test]
public void testDoesNotInvalidateCacheWhenPropertyIsTheSame()
{
CSSNode root = new CSSNode();
CSSNode c0 = new CSSNode();
CSSNode c1 = new CSSNode();
CSSNode c0c0 = new CSSNode();
root.addChildAt(c0, 0);
root.addChildAt(c1, 1);
c0.addChildAt(c0c0, 0);
root.Width = 200;
root.calculateLayout();
markLayoutAppliedForTree(root);
root.Width = 200;
root.calculateLayout();
Assert.IsTrue(root.HasNewLayout);
assertTreeHasNewLayout(false, c0);
assertTreeHasNewLayout(false, c1);
}
[Test]
public void testInvalidateCacheWhenHeightChangesPosition()
{
CSSNode root = new CSSNode();
CSSNode c0 = new CSSNode();
CSSNode c1 = new CSSNode();
CSSNode c1c0 = new CSSNode();
root.addChildAt(c0, 0);
root.addChildAt(c1, 1);
c1.addChildAt(c1c0, 0);
root.calculateLayout();
markLayoutAppliedForTree(root);
c0.Height = 100;
root.calculateLayout();
Assert.IsTrue(root.HasNewLayout);
Assert.IsTrue(c0.HasNewLayout);
Assert.IsTrue(c1.HasNewLayout);
Assert.IsFalse(c1c0.HasNewLayout);
}
[Test]
public void testInvalidatesOnNewMeasureFunction()
{
CSSNode root = new CSSNode();
CSSNode c0 = new CSSNode();
CSSNode c1 = new CSSNode();
CSSNode c0c0 = new CSSNode();
root.addChildAt(c0, 0);
root.addChildAt(c1, 1);
c0.addChildAt(c0c0, 0);
root.calculateLayout();
markLayoutAppliedForTree(root);
c1.setMeasureFunction((node, width, widthMode, height, heightMode) => new MeasureOutput(100, 20));
root.calculateLayout();
Assert.IsTrue(root.HasNewLayout);
Assert.IsTrue(c1.HasNewLayout);
Assert.IsTrue(c0.HasNewLayout);
Assert.IsTrue(c0c0.HasNewLayout);
}
}
}