Files
yoga/csharp/tests/Facebook.Yoga/YogaNodeTest.cs
Sidharth Guglani b66642cb86 fixed a csharp test case
Summary: Using default logger in test case

Reviewed By: davidaurelio

Differential Revision: D13565071

fbshipit-source-id: 93cee223a7f366e3e965fde2d5cdc7d4b27e310f
2019-01-04 06:08:24 -08:00

497 lines
16 KiB
C#

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
using NUnit.Framework;
using System;
/**
* Tests for {@link YogaNode}.
*/
namespace Facebook.Yoga
{
[TestFixture]
public class YogaNodeTest
{
[Test]
public void TestAddChildGetParent()
{
YogaNode parent = new YogaNode();
YogaNode child = new YogaNode();
Assert.IsNull(child.Parent);
Assert.AreEqual(0, parent.Count);
parent.Insert(0, child);
Assert.AreEqual(1, parent.Count);
Assert.AreEqual(child, parent[0]);
Assert.AreEqual(parent, child.Parent);
parent.RemoveAt(0);
Assert.IsNull(child.Parent);
Assert.AreEqual(0, parent.Count);
}
[Test]
public void TestChildren()
{
YogaNode parent = new YogaNode();
foreach (YogaNode node in parent) {
Assert.Fail(node.ToString());
}
YogaNode child0 = new YogaNode();
Assert.AreEqual(-1, parent.IndexOf(child0));
parent.Insert(0, child0);
foreach (YogaNode node in parent) {
Assert.AreEqual(0, parent.IndexOf(node));
}
YogaNode child1 = new YogaNode();
parent.Insert(1, child1);
int index = 0;
foreach (YogaNode node in parent) {
Assert.AreEqual(index++, parent.IndexOf(node));
}
parent.RemoveAt(0);
Assert.AreEqual(-1, parent.IndexOf(child0));
Assert.AreEqual(0, parent.IndexOf(child1));
parent.Clear();
Assert.AreEqual(0, parent.Count);
parent.Clear();
Assert.AreEqual(0, parent.Count);
}
[Test]
public void TestRemoveAtFromEmpty()
{
YogaNode parent = new YogaNode();
Assert.Throws<NullReferenceException>(() => parent.RemoveAt(0));
}
[Test]
public void TestRemoveAtOutOfRange()
{
YogaNode parent = new YogaNode();
YogaNode child = new YogaNode();
parent.Insert(0, child);
Assert.Throws<ArgumentOutOfRangeException>(() => parent.RemoveAt(1));
}
[Test]
public void TestCannotAddChildToMultipleParents()
{
YogaNode parent1 = new YogaNode();
YogaNode parent2 = new YogaNode();
YogaNode child = new YogaNode();
parent1.Insert(0, child);
Assert.Throws<InvalidOperationException>(() => parent2.Insert(0, child));
}
[Test]
public void TestReset()
{
int instanceCount = YogaNode.GetInstanceCount();
YogaNode node = new YogaNode();
Assert.AreEqual(instanceCount + 1, YogaNode.GetInstanceCount());
node.Reset();
Assert.AreEqual(instanceCount + 1, YogaNode.GetInstanceCount());
}
[Test]
public void TestResetParent()
{
YogaNode parent = new YogaNode();
YogaNode child = new YogaNode();
parent.Insert(0, child);
Assert.Throws<InvalidOperationException>(() => parent.Reset());
}
[Test]
public void TestResetChild()
{
YogaNode parent = new YogaNode();
YogaNode child = new YogaNode();
parent.Insert(0, child);
Assert.Throws<InvalidOperationException>(() => child.Reset());
}
[Test]
public void TestClear()
{
int instanceCount = YogaNode.GetInstanceCount();
YogaNode parent = new YogaNode();
Assert.AreEqual(instanceCount + 1, YogaNode.GetInstanceCount());
YogaNode child = new YogaNode();
Assert.AreEqual(instanceCount + 2, YogaNode.GetInstanceCount());
parent.Insert(0, child);
Assert.AreEqual(1, parent.Count);
Assert.AreEqual(parent, child.Parent);
parent.Clear();
Assert.AreEqual(0, parent.Count);
Assert.IsNull(child.Parent);
Assert.AreEqual(instanceCount + 2, YogaNode.GetInstanceCount());
}
[Test]
public void TestMeasureFunc()
{
YogaNode node = new YogaNode();
node.SetMeasureFunction((_, width, widthMode, height, heightMode) => {
return MeasureOutput.Make(100, 150);
});
node.CalculateLayout();
Assert.AreEqual(100, node.LayoutWidth);
Assert.AreEqual(150, node.LayoutHeight);
}
[Test]
public void TestMeasureFuncWithFloat()
{
YogaNode node = new YogaNode();
node.SetMeasureFunction((_, width, widthMode, height, heightMode) => {
return MeasureOutput.Make(123.4f, 81.7f);
});
node.CalculateLayout();
Assert.AreEqual(124.0f, node.LayoutWidth);
Assert.AreEqual(82.0f, node.LayoutHeight);
node = new YogaNode(new YogaConfig{PointScaleFactor = 0});
node.SetMeasureFunction((_, width, widthMode, height, heightMode) => {
return MeasureOutput.Make(123.4f, 81.7f);
});
node.CalculateLayout();
Assert.AreEqual(123.4f, node.LayoutWidth);
Assert.AreEqual(81.7f, node.LayoutHeight);
}
[Test]
public void TestChildWithMeasureFunc()
{
YogaNode node = new YogaNode();
node.SetMeasureFunction((_, width, widthMode, height, heightMode) => {
return MeasureOutput.Make(100, 150);
});
YogaNode child = new YogaNode();
Assert.Throws<InvalidOperationException>(() => node.Insert(0, child));
}
[Test]
public void TestMeasureFuncWithChild()
{
YogaNode node = new YogaNode();
YogaNode child = new YogaNode();
node.Insert(0, child);
Assert.Throws<InvalidOperationException>(() =>
node.SetMeasureFunction((_, width, widthMode, height, heightMode) => {
return MeasureOutput.Make(100, 150);
})
);
}
[Test]
public void TestBaselineFunc()
{
YogaNode node = new YogaNode();
node.Height = 200;
node.FlexDirection = YogaFlexDirection.Row;
node.AlignItems = YogaAlign.Baseline;
YogaNode child0 = new YogaNode();
child0.Width = 100;
child0.Height = 110;
child0.SetBaselineFunction((_, width, height) => {
Assert.AreEqual(100, width);
Assert.AreEqual(110, height);
return 65;
});
node.Insert(0, child0);
YogaNode child1 = new YogaNode();
child1.Width = 100;
child1.Height = 110;
child1.SetBaselineFunction((_, width, height) => {
Assert.AreEqual(100, width);
Assert.AreEqual(110, height);
return 80;
});
node.Insert(1, child1);
YogaNode child2 = new YogaNode();
child2.Width = 100;
child2.Height = 110;
child2.SetBaselineFunction((_, width, height) => {
Assert.AreEqual(100, width);
Assert.AreEqual(110, height);
return 88;
});
node.Insert(2, child2);
node.CalculateLayout();
Assert.AreEqual(0, child0.LayoutX);
Assert.AreEqual(23, child0.LayoutY);
Assert.AreEqual(100, child1.LayoutX);
Assert.AreEqual(8, child1.LayoutY);
Assert.AreEqual(200, child2.LayoutX);
Assert.AreEqual(0, child2.LayoutY);
}
[Test]
public void TestPrintOneNode()
{
YogaNode node = new YogaNode();
node.Width = 100;
node.Height = 120;
node.CalculateLayout();
Assert.AreEqual("<div layout=\"width: 100; height: 120; top: 0; left: 0;\" style=\"width: 100px; height: 120px; \" ></div>", node.Print());
}
[Test]
public void TestPrintWithLogger()
{
YogaNode node = new YogaNode();
node.Width = 110;
node.Height = 105;
node.CalculateLayout();
Assert.AreEqual("<div layout=\"width: 110; height: 105; top: 0; left: 0;\" style=\"width: 110px; height: 105px; \" ></div>", node.Print());
}
[Test]
public void TestPrint()
{
YogaNode parent = new YogaNode();
parent.Width = 100;
parent.Height = 120;
YogaNode child0 = new YogaNode();
child0.Width = 30;
child0.Height = 40;
YogaNode child1 = new YogaNode();
child1.Width = 35;
child1.Height = 45;
parent.Insert(0, child0);
parent.Insert(0, child1);
parent.CalculateLayout();
Assert.AreEqual("<div layout=\"width: 100; height: 120; top: 0; left: 0;\" style=\"width: 100px; height: 120px; \" >\n <div layout=\"width: 35; height: 45; top: 0; left: 0;\" style=\"width: 35px; height: 45px; \" ></div>\n <div layout=\"width: 30; height: 40; top: 45; left: 0;\" style=\"width: 30px; height: 40px; \" ></div>\n</div>", parent.Print());
}
[Test]
public void TestCopyStyle()
{
YogaNode node0 = new YogaNode();
Assert.IsTrue(YogaConstants.IsUndefined(node0.MaxHeight));
YogaNode node1 = new YogaNode();
node1.MaxHeight = 100;
node0.CopyStyle(node1);
Assert.AreEqual(100.Pt(), node0.MaxHeight);
}
[Test]
public void TestCopyConstructor()
{
YogaNode node0 = new YogaNode();
node0.MaxWidth = 80;
YogaNode node1 = new YogaNode(node0);
Assert.AreEqual(80.Pt(), node1.MaxWidth);
YogaNode node2 = new YogaNode(node1)
{
MaxHeight = 90,
};
Assert.AreEqual(80.Pt(), node2.MaxWidth);
Assert.AreEqual(90.Pt(), node2.MaxHeight);
YogaNode node3 = new YogaNode(node0)
{
MaxWidth = 100,
};
Assert.AreEqual(100.Pt(), node3.MaxWidth);
YogaNode node4 = new YogaNode(node2)
{
MaxWidth = 100,
};
Assert.AreEqual(100.Pt(), node4.MaxWidth);
Assert.AreEqual(90.Pt(), node4.MaxHeight);
}
#if !UNITY_5_4_OR_NEWER
public static void ForceGC()
{
GC.Collect();
GC.WaitForPendingFinalizers();
}
[Test]
public void TestDestructor()
{
ForceGC();
int instanceCount = YogaNode.GetInstanceCount();
TestDestructorForGC(instanceCount);
ForceGC();
Assert.AreEqual(instanceCount, YogaNode.GetInstanceCount());
}
private void TestDestructorForGC(int instanceCount)
{
YogaNode node = new YogaNode();
Assert.IsNotNull(node);
Assert.AreEqual(instanceCount + 1, YogaNode.GetInstanceCount());
node = null;
}
[Test]
public void TestDestructorWithChildren()
{
ForceGC();
int instanceCount = YogaNode.GetInstanceCount();
TestDestructorWithChildrenForGC1(instanceCount);
ForceGC();
Assert.AreEqual(instanceCount, YogaNode.GetInstanceCount());
}
private void TestDestructorWithChildrenForGC1(int instanceCount)
{
YogaNode node = new YogaNode();
Assert.AreEqual(instanceCount + 1, YogaNode.GetInstanceCount());
TestDestructorWithChildrenForGC2(node, instanceCount + 1);
ForceGC();
Assert.AreEqual(instanceCount + 2, YogaNode.GetInstanceCount());
TestDestructorWithChildrenForGC2(node, instanceCount + 2);
ForceGC();
Assert.AreEqual(instanceCount + 3, YogaNode.GetInstanceCount());
node = null;
}
private void TestDestructorWithChildrenForGC2(YogaNode parent, int instanceCount)
{
YogaNode child = new YogaNode();
Assert.AreEqual(instanceCount + 1, YogaNode.GetInstanceCount());
parent.Insert(0, child);
child = null;
}
#if YOGA_ENABLE_GC_TEST
[Test]
public void TestParentDestructor()
{
ForceGC();
int instanceCount = YogaNode.GetInstanceCount();
YogaNode child = new YogaNode();
Assert.AreEqual(instanceCount + 1, YogaNode.GetInstanceCount());
TestParentDestructorForGC(child, instanceCount + 1);
ForceGC();
Assert.IsNull(child.Parent);
Assert.AreEqual(instanceCount + 1, YogaNode.GetInstanceCount());
}
private void TestParentDestructorForGC(YogaNode child, int instanceCount)
{
YogaNode parent = new YogaNode();
Assert.AreEqual(instanceCount + 1, YogaNode.GetInstanceCount());
parent.Insert(0, child);
}
#endif
[Test]
public void TestClearWithChildDestructor()
{
ForceGC();
int instanceCount = YogaNode.GetInstanceCount();
YogaNode node = new YogaNode();
Assert.AreEqual(instanceCount + 1, YogaNode.GetInstanceCount());
TestClearWithChildDestructorForGC(node, instanceCount + 1);
ForceGC();
Assert.AreEqual(instanceCount + 2, YogaNode.GetInstanceCount());
node.Clear();
Assert.AreEqual(0, node.Count);
ForceGC();
Assert.AreEqual(instanceCount + 1, YogaNode.GetInstanceCount());
}
private void TestClearWithChildDestructorForGC(YogaNode parent, int instanceCount)
{
YogaNode child = new YogaNode();
Assert.AreEqual(instanceCount + 1, YogaNode.GetInstanceCount());
parent.Insert(0, child);
}
[Test]
public void TestMeasureFuncWithDestructor()
{
ForceGC();
int instanceCount = YogaNode.GetInstanceCount();
YogaNode parent = new YogaNode();
Assert.AreEqual(instanceCount + 1, YogaNode.GetInstanceCount());
TestMeasureFuncWithDestructorForGC(parent);
ForceGC();
Assert.AreEqual(instanceCount + 2, YogaNode.GetInstanceCount());
parent.CalculateLayout();
Assert.AreEqual(120, (int)parent.LayoutWidth);
Assert.AreEqual(130, (int)parent.LayoutHeight);
}
private void TestMeasureFuncWithDestructorForGC(YogaNode parent)
{
YogaNode child = new YogaNode();
parent.Insert(0, child);
child.SetMeasureFunction((_, width, widthMode, height, heightMode) => {
return MeasureOutput.Make(120, 130);
});
}
#endif
[Test]
public void TestLayoutMargin() {
YogaNode node = new YogaNode();
node.Width = 100;
node.Height = 100;
node.MarginStart = 1;
node.MarginEnd = 2;
node.MarginTop = 3;
node.MarginBottom = 4;
node.CalculateLayout();
Assert.AreEqual(1, node.LayoutMarginLeft);
Assert.AreEqual(2, node.LayoutMarginRight);
Assert.AreEqual(3, node.LayoutMarginTop);
Assert.AreEqual(4, node.LayoutMarginBottom);
}
[Test]
public void TestLayoutPadding() {
YogaNode node = new YogaNode();
node.Width = 100;
node.Height = 100;
node.PaddingStart = 1;
node.PaddingEnd = 2;
node.PaddingTop = 3;
node.PaddingBottom = 4;
node.CalculateLayout();
Assert.AreEqual(1, node.LayoutPaddingLeft);
Assert.AreEqual(2, node.LayoutPaddingRight);
Assert.AreEqual(3, node.LayoutPaddingTop);
Assert.AreEqual(4, node.LayoutPaddingBottom);
}
}
}