maui-linux/Xamarin.Forms.Core.UnitTests/AbsoluteLayoutTests.cs

269 строки
8.1 KiB
C#

using System;
using NUnit.Framework;
using NUnit.Framework.Constraints;
namespace Xamarin.Forms.Core.UnitTests
{
[TestFixture]
public class AbsoluteLayoutTests : BaseTestFixture
{
[SetUp]
public override void Setup()
{
base.Setup();
var mockDeviceInfo = new TestDeviceInfo();
Device.Info = mockDeviceInfo;
}
[Test]
public void Constructor ()
{
var abs = new AbsoluteLayout {
Platform = new UnitPlatform (),
IsPlatformEnabled = true
};
Assert.That (abs.Children, Is.Empty);
var sizeReq = abs.GetSizeRequest (double.PositiveInfinity, double.PositiveInfinity);
Assert.AreEqual (Size.Zero, sizeReq.Request);
Assert.AreEqual (Size.Zero, sizeReq.Minimum);
}
[Test]
public void AbsolutePositionAndSize ()
{
var abs = new AbsoluteLayout {
Platform = new UnitPlatform (),
IsPlatformEnabled = true
};
var child = new View {IsPlatformEnabled = true};
abs.Children.Add (child, new Rectangle (10, 20, 30, 40));
abs.Layout (new Rectangle (0, 0, 100, 100));
Assert.AreEqual (new Rectangle (10, 20, 30, 40), child.Bounds);
}
[Test]
public void AbsolutePositionRelativeSize ()
{
var abs = new AbsoluteLayout {
Platform = new UnitPlatform (),
IsPlatformEnabled = true
};
var child = new View {IsPlatformEnabled = true};
abs.Children.Add (child, new Rectangle (10, 20, 0.4, 0.5), AbsoluteLayoutFlags.SizeProportional);
abs.Layout (new Rectangle (0, 0, 100, 100));
Assert.That (child.X, Is.EqualTo (10));
Assert.That (child.Y, Is.EqualTo (20));
Assert.That (child.Width, Is.EqualTo (40).Within (0.0001));
Assert.That (child.Height, Is.EqualTo (50).Within (0.0001));
}
[TestCase (30, 40, 0.2, 0.3)]
[TestCase (35, 45, 0.5, 0.5)]
[TestCase (35, 45, 0, 0)]
[TestCase (35, 45, 1, 1)]
public void RelativePositionAbsoluteSize (double width, double height, double relX, double relY)
{
var abs = new AbsoluteLayout {
Platform = new UnitPlatform (),
IsPlatformEnabled = true
};
var child = new View {IsPlatformEnabled = true};
abs.Children.Add (child, new Rectangle (relX, relY, width, height), AbsoluteLayoutFlags.PositionProportional);
abs.Layout (new Rectangle (0, 0, 100, 100));
double expectedX = Math.Round ((100 - width) * relX);
double expectedY = Math.Round ((100 - height) * relY);
Assert.That (child.X, Is.EqualTo (expectedX).Within (0.0001));
Assert.That (child.Y, Is.EqualTo (expectedY).Within (0.0001));
Assert.That (child.Width, Is.EqualTo (width));
Assert.That (child.Height, Is.EqualTo (height));
}
[Test]
public void RelativePositionRelativeSize ([Values (0.0, 0.2, 0.5, 1.0)] double relX, [Values (0.0, 0.2, 0.5, 1.0)] double relY, [Values (0.0, 0.2, 0.5, 1.0)] double relHeight, [Values (0.0, 0.2, 0.5, 1.0)] double relWidth)
{
var abs = new AbsoluteLayout {
Platform = new UnitPlatform (),
IsPlatformEnabled = true
};
var child = new View {
IsPlatformEnabled = true
};
abs.Children.Add (child, new Rectangle(relX, relY, relWidth, relHeight), AbsoluteLayoutFlags.All);
abs.Layout (new Rectangle(0, 0, 100, 100));
double expectedWidth = Math.Round (100 * relWidth);
double expectedHeight = Math.Round (100 * relHeight);
double expectedX = Math.Round ((100 - expectedWidth) * relX);
double expectedY = Math.Round ((100 - expectedHeight) * relY);
Assert.That (child.X, Is.EqualTo (expectedX).Within (0.0001));
Assert.That (child.Y, Is.EqualTo (expectedY).Within (0.0001));
Assert.That (child.Width, Is.EqualTo (expectedWidth).Within (0.0001));
Assert.That (child.Height, Is.EqualTo (expectedHeight).Within (0.0001));
}
[Test]
public void SizeRequestWithNormalChild ()
{
var abs = new AbsoluteLayout {
Platform = new UnitPlatform (),
IsPlatformEnabled = true
};
var child = new View ();
// ChildSizeReq == 100x20
abs.Children.Add (child, new Rectangle (10, 20, 30, 40));
var sizeReq = abs.GetSizeRequest (double.PositiveInfinity, double.PositiveInfinity);
Assert.AreEqual (new Size (40, 60), sizeReq.Request);
Assert.AreEqual (new Size (40, 60), sizeReq.Minimum);
}
[Test]
public void SizeRequestWithRelativePositionChild ()
{
var abs = new AbsoluteLayout {
Platform = new UnitPlatform (),
IsPlatformEnabled = true
};
var child = new View ();
// ChildSizeReq == 100x20
abs.Children.Add (child, new Rectangle(0.5, 0.5, 30, 40), AbsoluteLayoutFlags.PositionProportional);
var sizeReq = abs.GetSizeRequest (double.PositiveInfinity, double.PositiveInfinity);
Assert.AreEqual (new Size (30, 40), sizeReq.Request);
Assert.AreEqual (new Size (30, 40), sizeReq.Minimum);
}
[Test]
public void SizeRequestWithRelativeChild ()
{
var abs = new AbsoluteLayout {
Platform = new UnitPlatform (),
IsPlatformEnabled = true
};
var child = new View {
Platform = new UnitPlatform (),
IsPlatformEnabled = true
};
// ChildSizeReq == 100x20
abs.Children.Add (child, new Rectangle(0.5, 0.5, 0.5, 0.5), AbsoluteLayoutFlags.All);
var sizeReq = abs.GetSizeRequest (double.PositiveInfinity, double.PositiveInfinity);
Assert.AreEqual (new Size (200, 40), sizeReq.Request);
Assert.AreEqual (new Size (0, 0), sizeReq.Minimum);
}
[Test]
public void SizeRequestWithRelativeSizeChild ()
{
var abs = new AbsoluteLayout {
Platform = new UnitPlatform (),
IsPlatformEnabled = true
};
var child = new View {
Platform = new UnitPlatform (),
IsPlatformEnabled = true
};
// ChildSizeReq == 100x20
abs.Children.Add (child, new Rectangle(10, 20, 0.5, 0.5), AbsoluteLayoutFlags.SizeProportional);
var sizeReq = abs.GetSizeRequest (double.PositiveInfinity, double.PositiveInfinity);
Assert.AreEqual (new Size (210, 60), sizeReq.Request);
Assert.AreEqual (new Size (10, 20), sizeReq.Minimum);
}
[Test]
public void MeasureInvalidatedFiresWhenFlagsChanged ()
{
var abs = new AbsoluteLayout {
Platform = new UnitPlatform (),
IsPlatformEnabled = true
};
var child = new View {
Platform = new UnitPlatform (),
IsPlatformEnabled = true
};
abs.Children.Add (child, new Rectangle (1, 1, 100, 100));
bool fired = false;
abs.MeasureInvalidated += (sender, args) => fired = true;
AbsoluteLayout.SetLayoutFlags (child, AbsoluteLayoutFlags.PositionProportional);
Assert.True (fired);
}
[Test]
public void MeasureInvalidatedFiresWhenBoundsChanged ()
{
var abs = new AbsoluteLayout {
Platform = new UnitPlatform (),
IsPlatformEnabled = true
};
var child = new View {
Platform = new UnitPlatform (),
IsPlatformEnabled = true
};
abs.Children.Add (child, new Rectangle (1, 1, 100, 100));
bool fired = false;
abs.MeasureInvalidated += (sender, args) => fired = true;
AbsoluteLayout.SetLayoutBounds (child, new Rectangle (2, 2, 200, 200));
Assert.True (fired);
}
[TestCase("en-US"), TestCase("tr-TR")]
public void TestBoundsTypeConverter (string culture)
{
System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo(culture);
var converter = new BoundsTypeConverter ();
Assert.IsTrue (converter.CanConvertFrom (typeof(string)));
Assert.AreEqual (new Rectangle (3, 4, AbsoluteLayout.AutoSize, AbsoluteLayout.AutoSize), converter.ConvertFromInvariantString ("3, 4"));
Assert.AreEqual (new Rectangle (3, 4, 20, 30), converter.ConvertFromInvariantString ("3, 4, 20, 30"));
Assert.AreEqual (new Rectangle (3, 4, AbsoluteLayout.AutoSize, AbsoluteLayout.AutoSize), converter.ConvertFromInvariantString ("3, 4, AutoSize, AutoSize"));
Assert.AreEqual (new Rectangle (3, 4, AbsoluteLayout.AutoSize, 30), converter.ConvertFromInvariantString ("3, 4, AutoSize, 30"));
Assert.AreEqual (new Rectangle (3, 4, 20, AbsoluteLayout.AutoSize), converter.ConvertFromInvariantString ("3, 4, 20, AutoSize"));
var autoSize = "AutoSize";
Assert.AreEqual(new Rectangle(3.3, 4.4, AbsoluteLayout.AutoSize, AbsoluteLayout.AutoSize), converter.ConvertFromInvariantString("3.3, 4.4, " + autoSize + ", AutoSize"));
Assert.AreEqual(new Rectangle(3.3, 4.4, 5.5, 6.6), converter.ConvertFromInvariantString("3.3, 4.4, 5.5, 6.6"));
}
}
}