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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Moq;
using NUnit.Framework;
using Xamarin.PropertyEditing.ViewModels;
namespace Xamarin.PropertyEditing.Tests
{
[TestFixture]
internal class PanelGroupViewModelTests
{
[Test]
public void HasChildElementsUpdates ()
{
var property = new Mock<IPropertyInfo> ();
property.Setup (p => p.Name).Returns ("Name");
property.Setup (p => p.Category).Returns ("Category");
property.Setup (p => p.Type).Returns (typeof(string));
property.Setup (p => p.IsUncommon).Returns (false);
var editor = new MockObjectEditor (property.Object);
var propertyVm = new StringPropertyViewModel (MockEditorProvider.MockPlatform, property.Object, new[] { editor });
var group = new PanelGroupViewModel (MockEditorProvider.MockPlatform, "Category", new[] { propertyVm });
Assert.That (group.HasChildElements, Is.True);
bool changed = false;
group.PropertyChanged += (sender, args) => {
if (args.PropertyName == nameof(PanelGroupViewModel.HasChildElements))
changed = true;
};
group.Remove (propertyVm);
Assert.That (group.HasChildElements, Is.False);
Assert.That (changed, Is.True, "INPC did not fire for HasChildElements during remove");
changed = false;
group.Add (propertyVm);
Assert.That (group.HasChildElements, Is.True);
Assert.That (changed, Is.True, "INPC did not fire for HasChildElements during add");
}
[Test]
public void HasUncommonElementsUpdates ()
{
var property = new Mock<IPropertyInfo> ();
property.Setup (p => p.Name).Returns ("Name");
property.Setup (p => p.Category).Returns ("Category");
property.Setup (p => p.Type).Returns (typeof (string));
property.Setup (p => p.IsUncommon).Returns (true);
var editor = new MockObjectEditor (property.Object);
var propertyVm = new StringPropertyViewModel (MockEditorProvider.MockPlatform, property.Object, new[] { editor });
var group = new PanelGroupViewModel (MockEditorProvider.MockPlatform, "Category", new[] { propertyVm });
Assert.That (group.HasChildElements, Is.True);
Assert.That (group.HasUncommonElements, Is.True);
bool childChanged = false, uncommonChanged = false;
group.PropertyChanged += (sender, args) => {
if (args.PropertyName == nameof (PanelGroupViewModel.HasChildElements))
childChanged = true;
else if (args.PropertyName == nameof(PanelGroupViewModel.HasUncommonElements))
uncommonChanged = true;
};
group.Remove (propertyVm);
Assert.That (group.HasChildElements, Is.False);
Assert.That (group.HasUncommonElements, Is.False);
Assert.That (childChanged, Is.True, "INPC did not fire for HasChildElements during remove");
Assert.That (uncommonChanged, Is.True, "INPC did not fire for HasUncommonElements during remove");
childChanged = false;
group.Add (propertyVm);
Assert.That (group.HasChildElements, Is.True);
Assert.That (group.HasUncommonElements, Is.True);
Assert.That (childChanged, Is.True, "INPC did not fire for HasChildElements during add");
Assert.That (uncommonChanged, Is.True, "INPC did not fire for HasUncommonElements during add");
}
}
}
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