using NUnit.Framework; using Xamarin.Forms; namespace Xamarin.Forms.Core.UnitTests { public class MarginTests : BaseTestFixture { [SetUp] public override void Setup() { base.Setup (); Device.PlatformServices = new MockPlatformServices (); } [TearDown] public override void TearDown() { base.TearDown (); Device.PlatformServices = null; } [Test] public void GetSizeRequestIncludesMargins () { var platform = new UnitPlatform ((b, d, e) => new SizeRequest(new Size(100,50))); var parent = new ContentView { Platform = platform, IsPlatformEnabled = true, }; var child = new Button { Text = "Test", Platform = platform, IsPlatformEnabled = true, }; child.Margin = new Thickness (10, 20, 30, 40); parent.Content = child; var result = parent.Measure (double.PositiveInfinity, double.PositiveInfinity, MeasureFlags.IncludeMargins); Assert.AreEqual (new Size (140, 110), result.Request); } [Test] public void MarginsAffectPositionInContentView () { var platform = new UnitPlatform ((b, d, e) => new SizeRequest(new Size(100,50))); var parent = new ContentView { Platform = platform, IsPlatformEnabled = true, }; var child = new Button { Text = "Test", Platform = platform, IsPlatformEnabled = true, }; child.Margin = new Thickness (10, 20, 30, 40); parent.Content = child; parent.Layout (new Rectangle (0, 0, 140, 110)); Assert.AreEqual (new Rectangle (10, 20, 100, 50), child.Bounds); } [Test] public void ChangingMarginCausesRelayout () { var platform = new UnitPlatform ((b, d, e) => new SizeRequest(new Size(100,50))); var parent = new ContentView { Platform = platform, IsPlatformEnabled = true, }; var child = new Button { Text = "Test", VerticalOptions = LayoutOptions.Start, HorizontalOptions = LayoutOptions.Start, Platform = platform, IsPlatformEnabled = true, }; child.Margin = new Thickness (10, 20, 30, 40); parent.Content = child; parent.Layout (new Rectangle (0, 0, 1000, 1000)); Assert.AreEqual (new Rectangle (10, 20, 100, 50), child.Bounds); } [Test] public void IntegrationTest () { var platform = new UnitPlatform ((b, d, e) => new SizeRequest(new Size(100,50))); var parent = new StackLayout { Platform = platform, Spacing = 0, IsPlatformEnabled = true, }; var child1 = new Button { Text = "Test", VerticalOptions = LayoutOptions.Start, HorizontalOptions = LayoutOptions.Start, Platform = platform, IsPlatformEnabled = true, }; var child2 = new Button { Text = "Test", Platform = platform, IsPlatformEnabled = true, }; child2.Margin = new Thickness (5, 10, 15, 20); parent.Children.Add (child1); parent.Children.Add (child2); parent.Layout (new Rectangle (0, 0, 1000, 1000)); Assert.AreEqual (new Rectangle (0, 0, 100, 50), child1.Bounds); Assert.AreEqual (new Rectangle (5, 60, 980, 50), child2.Bounds); child1.Margin = new Thickness (10, 20, 30, 40); Assert.AreEqual (new Rectangle (10, 20, 100, 50), child1.Bounds); Assert.AreEqual (new Rectangle (5, 120, 980, 50), child2.Bounds); } } }