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using System;
using System.Collections.Generic;
using NUnit.Framework;
using Xamarin.PropertyEditing.Drawing;
using Xamarin.PropertyEditing.ViewModels;
namespace Xamarin.PropertyEditing.Tests
{
internal class SizeViewModelTests
: PropertyViewModelTests<CommonSize, SizePropertyViewModel>
{
[Test]
public void Width ()
{
var property = GetPropertyMock ();
var editor = GetBasicEditor (property.Object);
var vm = GetViewModel (property.Object, new[] { editor });
Assume.That (vm.Value, Is.EqualTo (new CommonSize (0, 0)));
bool xChanged = false, valueChanged = false;
vm.PropertyChanged += (sender, args) => {
if (args.PropertyName == nameof(SizePropertyViewModel.Width))
xChanged = true;
if (args.PropertyName == nameof(SizePropertyViewModel.Value))
valueChanged = true;
};
vm.Width = 5;
Assert.That (vm.Value.Width, Is.EqualTo (5));
Assert.That (xChanged, Is.True);
Assert.That (valueChanged, Is.True);
}
[Test]
public void Height ()
{
var property = GetPropertyMock ();
var editor = GetBasicEditor (property.Object);
var vm = GetViewModel (property.Object, new[] { editor });
Assume.That (vm.Value, Is.EqualTo (new CommonSize (0, 0)));
bool yChanged = false, valueChanged = false;
vm.PropertyChanged += (sender, args) => {
if (args.PropertyName == nameof(SizePropertyViewModel.Height))
yChanged = true;
if (args.PropertyName == nameof(SizePropertyViewModel.Value))
valueChanged = true;
};
vm.Height = 5;
Assert.That (vm.Value.Height, Is.EqualTo (5));
Assert.That (yChanged, Is.True);
Assert.That (valueChanged, Is.True);
}
[Test]
public void ValueChangesWidthHeight ()
{
var property = GetPropertyMock ();
var editor = GetBasicEditor (property.Object);
var vm = GetViewModel (property.Object, new[] { editor });
Assume.That (vm.Width, Is.EqualTo (0));
Assume.That (vm.Height, Is.EqualTo (0));
bool xChanged = false, yChanged = false, valueChanged = false;
vm.PropertyChanged += (sender, args) => {
if (args.PropertyName == nameof(SizePropertyViewModel.Width))
xChanged = true;
if (args.PropertyName == nameof(SizePropertyViewModel.Height))
yChanged = true;
if (args.PropertyName == nameof(SizePropertyViewModel.Value))
valueChanged = true;
};
vm.Value = new CommonSize (5, 10);
Assert.That (vm.Width, Is.EqualTo (5));
Assert.That (vm.Height, Is.EqualTo (10));
Assert.That (yChanged, Is.True);
Assert.That (xChanged, Is.True);
Assert.That (valueChanged, Is.True);
}
protected override CommonSize GetRandomTestValue (Random rand)
{
return new CommonSize (rand.Next (), rand.Next ());
}
protected override SizePropertyViewModel GetViewModel (TargetPlatform platform, IPropertyInfo property, IEnumerable<IObjectEditor> editors)
{
return new SizePropertyViewModel (platform, property, editors);
}
}
}
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