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using System.ComponentModel;
using System.Runtime.CompilerServices;
using NUnit.Framework;
namespace Xamarin.Forms.Core.UnitTests
{
[TestFixture]
public class EntryCellTests : BaseTestFixture
{
[SetUp]
public override void Setup()
{
base.Setup ();
Device.PlatformServices = new MockPlatformServices ();
}
[Test]
public void ChangingHorizontalTextAlignmentFiresXAlignChanged ()
{
var entryCell = new EntryCell { HorizontalTextAlignment = TextAlignment.Center };
var xAlignFired = false;
var horizontalTextAlignmentFired = false;
entryCell.PropertyChanged += (sender, args) => {
if (args.PropertyName == "XAlign") {
xAlignFired = true;
} else if (args.PropertyName == EntryCell.HorizontalTextAlignmentProperty.PropertyName) {
horizontalTextAlignmentFired = true;
}
};
entryCell.HorizontalTextAlignment = TextAlignment.End;
Assert.True(xAlignFired);
Assert.True(horizontalTextAlignmentFired);
}
[Test]
public void EntryCellXAlignBindingMatchesHorizontalTextAlignmentBinding ()
{
var vm = new ViewModel ();
vm.Alignment = TextAlignment.Center;
var entryCellXAlign = new EntryCell () { BindingContext = vm };
entryCellXAlign.SetBinding (EntryCell.XAlignProperty, new Binding ("Alignment"));
var entryCellHorizontalTextAlignment = new EntryCell () { BindingContext = vm };
entryCellHorizontalTextAlignment.SetBinding (EntryCell.HorizontalTextAlignmentProperty, new Binding ("Alignment"));
Assert.AreEqual (TextAlignment.Center, entryCellXAlign.XAlign);
Assert.AreEqual (TextAlignment.Center, entryCellHorizontalTextAlignment.HorizontalTextAlignment);
vm.Alignment = TextAlignment.End;
Assert.AreEqual (TextAlignment.End, entryCellXAlign.XAlign);
Assert.AreEqual (TextAlignment.End, entryCellHorizontalTextAlignment.HorizontalTextAlignment);
}
sealed class ViewModel : INotifyPropertyChanged
{
TextAlignment alignment;
public TextAlignment Alignment
{
get { return alignment; }
set
{
alignment = value;
OnPropertyChanged();
}
}
public event PropertyChangedEventHandler PropertyChanged;
void OnPropertyChanged ([CallerMemberName] string propertyName = null)
{
PropertyChanged?.Invoke (this, new PropertyChangedEventArgs (propertyName));
}
}
}
}
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