[Core] Add Point/Size VMs

1 files changed, 94 insertions, 0 deletions

diff --git a/Xamarin.PropertyEditing.Tests/SizeViewModelTests.cs b/Xamarin.PropertyEditing.Tests/SizeViewModelTests.cs
new file mode 100644
index 0000000..2e6f198
--- /dev/null
+++ b/Xamarin.PropertyEditing.Tests/SizeViewModelTests.cs
@@ -0,0 +1,94 @@
+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 (IPropertyInfo property, IEnumerable<IObjectEditor> editors)
+		{
+			return new SizePropertyViewModel (property, editors);
+		}
+	}
+}