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using System;
using NUnit.Framework;
namespace Xamarin.Forms.Core.UnitTests
{
[TestFixture]
public class BindableObjectExtensionTests : BaseTestFixture
{
[Test]
public void SetBindingNull()
{
Assert.That (() => BindableObjectExtensions.SetBinding (null, MockBindable.TextProperty, "Name"),
Throws.InstanceOf<ArgumentNullException>());
Assert.That (() => BindableObjectExtensions.SetBinding (new MockBindable(), null, "Name"),
Throws.InstanceOf<ArgumentNullException>());
Assert.That (() => BindableObjectExtensions.SetBinding (new MockBindable(), MockBindable.TextProperty, null),
Throws.InstanceOf<ArgumentNullException>());
Assert.That (() => BindableObjectExtensions.SetBinding<MockViewModel> (null, MockBindable.TextProperty, vm => vm.Text),
Throws.InstanceOf<ArgumentNullException>());
Assert.That (() => BindableObjectExtensions.SetBinding<MockViewModel> (new MockBindable(), null, vm => vm.Text),
Throws.InstanceOf<ArgumentNullException>());
Assert.That (() => BindableObjectExtensions.SetBinding<MockViewModel> (new MockBindable(), MockBindable.TextProperty, null),
Throws.InstanceOf<ArgumentNullException>());
}
[Test]
public void Issue2643()
{
Label labelTempoDiStampa = new Label();
labelTempoDiStampa.BindingContext = new { Name = "1", Company = "Xamarin" };
labelTempoDiStampa.SetBinding (Label.TextProperty, "Name", stringFormat: "Hi: {0}");
Assert.That (labelTempoDiStampa.Text, Is.EqualTo ("Hi: 1"));
}
class Bz27229ViewModel
{
public object Member { get; private set; }
public Bz27229ViewModel ()
{
Member = new Generic<Label> (new Label {Text="foo"});
}
}
class Generic<TResult>
{
public Generic (TResult result)
{
Result = result;
}
public TResult Result { get; set; }
}
[Test]
public void Bz27229 ()
{
var totalCheckTime = new TextCell { Text = "Total Check Time" };
totalCheckTime.BindingContext = new Bz27229ViewModel ();
totalCheckTime.SetBinding(TextCell.DetailProperty,"Member.Result.Text");
Assert.AreEqual ("foo", totalCheckTime.Detail);
totalCheckTime = new TextCell { Text = "Total Check Time" };
totalCheckTime.BindingContext = new Bz27229ViewModel ();
totalCheckTime.SetBinding<Bz27229ViewModel>(TextCell.DetailProperty, vm =>
((Generic<Label>)vm.Member).Result.Text);
Assert.AreEqual ("foo", totalCheckTime.Detail);
}
}
}
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