Initial import

1 files changed, 291 insertions, 0 deletions

diff --git a/Xamarin.Forms.Core.UnitTests/FrameUnitTests.cs b/Xamarin.Forms.Core.UnitTests/FrameUnitTests.cs
new file mode 100644
index 00000000..e7bf5974
--- /dev/null
+++ b/Xamarin.Forms.Core.UnitTests/FrameUnitTests.cs
@@ -0,0 +1,291 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+using NUnit.Framework;
+
+namespace Xamarin.Forms.Core.UnitTests
+{
+	[TestFixture]
+	public class FrameUnitTests : BaseTestFixture
+	{
+		[Test]
+		public void TestConstructor ()
+		{
+			Frame frame = new Frame ();
+
+			Assert.Null (frame.Content);
+			Assert.AreEqual (new Thickness (20, 20, 20, 20), frame.Padding);
+		}
+
+		[Test]
+		public void TestPackWithoutChild ()
+		{
+			Frame frame = new Frame ();
+
+			var parent = new NaiveLayout ();
+
+			bool thrown = false;
+			try {
+				parent.Children.Add (frame);
+			} catch {
+				thrown = true;
+			}
+
+			Assert.False (thrown);
+		}
+
+		[Test]
+		public void TestPackWithChild ()
+		{
+			Frame frame = new Frame {
+				Content = new View ()
+			};
+
+			var parent = new NaiveLayout ();
+
+			bool thrown = false;
+			try {
+				parent.Children.Add (frame);
+			} catch {
+				thrown = true;
+			}
+
+			Assert.False (thrown);
+		}
+
+		[Test]
+		public void TestSetChild ()
+		{
+			Frame frame = new Frame ();
+			
+			var child1 = new Label ();
+			
+			bool added = false;
+
+			frame.ChildAdded += (sender, e) => added = true;
+
+			frame.Content = child1;
+
+			Assert.True (added);
+			Assert.AreEqual (child1, frame.Content);
+
+			added = false;
+			frame.Content = child1;
+
+			Assert.False (added);
+		}
+
+		[Test]
+		public void TestReplaceChild ()
+		{
+			Frame frame = new Frame ();
+
+			var child1 = new Label ();
+			var child2 = new Label ();
+
+			frame.Content = child1;
+
+			bool removed = false;
+			bool added = false;
+
+			frame.ChildRemoved += (sender, e) => removed = true;
+			frame.ChildAdded += (sender, e) => added = true;
+
+			frame.Content = child2;
+
+			Assert.True (removed);
+			Assert.True (added);
+			Assert.AreEqual (child2, frame.Content);
+		}
+
+		[Test]
+		public void TestFrameLayout ()
+		{
+			View child;
+
+			var frame = new Frame {
+				Content = child = new View {
+					WidthRequest = 100,
+					HeightRequest = 200,
+					IsPlatformEnabled = true
+				},
+				IsPlatformEnabled = true,
+				Platform = new UnitPlatform ()
+			};
+
+			Assert.AreEqual (new Size (140, 240), frame.GetSizeRequest (double.PositiveInfinity, double.PositiveInfinity).Request);
+
+			frame.Layout (new Rectangle (0, 0, 300, 300));
+
+			Assert.AreEqual (new Rectangle (20, 20, 260, 260), child.Bounds);
+		}
+
+		[Test]
+		public void TestDoesNotThrowOnSetNullChild ()
+		{
+			Assert.DoesNotThrow (() => new Frame {Content = null});
+		}
+
+		[Test]
+		public void WidthRequest ()
+		{
+			var frame = new Frame {
+				Content = new View {
+					WidthRequest = 100,
+					HeightRequest = 200,
+					IsPlatformEnabled = true
+				},
+				IsPlatformEnabled = true,
+				Platform = new UnitPlatform (),
+				WidthRequest = 20
+			};
+
+			Assert.AreEqual (new Size (60, 240), frame.GetSizeRequest (double.PositiveInfinity, double.PositiveInfinity).Request);
+		}
+
+		[Test]
+		public void HeightRequest ()
+		{
+			var frame = new Frame {
+				Content = new View {
+					WidthRequest = 100,
+					HeightRequest = 200,
+					IsPlatformEnabled = true,
+					Platform = new UnitPlatform ()
+				},
+				IsPlatformEnabled = true,
+				Platform = new UnitPlatform (),
+				HeightRequest = 20
+			};
+
+			Assert.AreEqual (new Size (140, 60), frame.GetSizeRequest (double.PositiveInfinity, double.PositiveInfinity).Request);
+		}
+
+		[Test]
+		public void LayoutVerticallyCenter ()
+		{
+			View child;
+
+			var frame = new Frame {
+				Content = child = new View {
+					WidthRequest = 100,
+					HeightRequest = 100,
+					IsPlatformEnabled = true,
+					VerticalOptions = LayoutOptions.Center
+				},
+				IsPlatformEnabled = true,
+				Platform = new UnitPlatform ()
+			};
+
+			frame.Layout (new Rectangle (0, 0, 200, 200));
+
+			Assert.AreEqual (new Rectangle (20, 50, 160, 100), child.Bounds);
+		}
+
+		[Test]
+		public void LayoutVerticallyBegin()
+		{
+			View child;
+
+			var frame = new Frame {
+				Content = child = new View {
+					WidthRequest = 100,
+					HeightRequest = 100,
+					IsPlatformEnabled = true,
+					VerticalOptions = LayoutOptions.Start
+				},
+				IsPlatformEnabled = true,
+				Platform = new UnitPlatform ()
+			};
+
+			frame.Layout (new Rectangle (0, 0, 200, 200));
+
+			Assert.AreEqual (new Rectangle (20, 20, 160, 100), child.Bounds);
+		}
+
+		[Test]
+		public void LayoutVerticallyEnd()
+		{
+			View child;
+
+			var frame = new Frame {
+				Content = child = new View {
+					WidthRequest = 100,
+					HeightRequest = 100,
+					IsPlatformEnabled = true,
+					VerticalOptions = LayoutOptions.End
+				},
+				IsPlatformEnabled = true,
+				Platform = new UnitPlatform ()
+			};
+
+			frame.Layout (new Rectangle (0, 0, 200, 200));
+
+			Assert.AreEqual (new Rectangle (20, 80, 160, 100), child.Bounds);
+		}
+
+		[Test]
+		public void LayoutHorizontallyCenter()
+		{
+			View child;
+
+			var frame = new Frame {
+				Content = child = new View {
+					WidthRequest = 100,
+					HeightRequest = 100,
+					IsPlatformEnabled = true,
+					HorizontalOptions = LayoutOptions.Center
+				},
+				IsPlatformEnabled = true,
+				Platform = new UnitPlatform ()
+			};
+
+			frame.Layout (new Rectangle (0, 0, 200, 200));
+
+			Assert.AreEqual (new Rectangle (50, 20, 100, 160), child.Bounds);
+		}
+
+		[Test]
+		public void LayoutHorizontallyBegin()
+		{
+			View child;
+
+			var frame = new Frame {
+				Content = child = new View {
+					WidthRequest = 100,
+					HeightRequest = 100,
+					IsPlatformEnabled = true,
+					HorizontalOptions = LayoutOptions.Start
+				},
+				IsPlatformEnabled = true,
+				Platform = new UnitPlatform ()
+			};
+
+			frame.Layout (new Rectangle (0, 0, 200, 200));
+
+			Assert.AreEqual (new Rectangle (20, 20, 100, 160), child.Bounds);
+		}
+
+		[Test]
+		public void LayoutHorizontallyEnd()
+		{
+			View child;
+
+			var frame = new Frame {
+				Content = child = new View {
+					WidthRequest = 100,
+					HeightRequest = 100,
+					IsPlatformEnabled = true,
+					HorizontalOptions = LayoutOptions.End
+				},
+				IsPlatformEnabled = true,
+				Platform = new UnitPlatform ()
+			};
+
+			frame.Layout (new Rectangle (0, 0, 200, 200));
+
+			Assert.AreEqual (new Rectangle (80, 20, 100, 160), child.Bounds);
+		}
+	}	
+}