532 строки
13 KiB
C#
532 строки
13 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using NUnit.Framework;
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using Xamarin.Forms.Internals;
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namespace Xamarin.Forms.Core.UnitTests
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{
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[TestFixture]
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public class PageTests : BaseTestFixture
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{
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[TearDown]
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public override void TearDown()
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{
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base.TearDown ();
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MessagingCenter.ClearSubscribers();
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}
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[Test]
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public void TestConstructor ()
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{
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var child = new Label ();
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Page root = new ContentPage {Content = child};
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Assert.AreEqual (((IElementController)root).LogicalChildren.Count, 1);
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Assert.AreSame (((IElementController)root).LogicalChildren.First (), child);
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}
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[Test]
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public void TestChildFillBehavior ()
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{
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var child = new Label ();
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Page root = new ContentPage {Content = child};
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root.IsPlatformEnabled = child.IsPlatformEnabled = true;
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root.Layout (new Rectangle (0, 0, 200, 500));
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Assert.AreEqual (child.Width, 200);
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Assert.AreEqual (child.Height, 500);
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}
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[Test]
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public void TestSizedChildBehavior ()
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{
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var plat = new UnitPlatform ();
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var child = new Label {Platform = plat, IsPlatformEnabled = true, WidthRequest = 100, HorizontalOptions = LayoutOptions.Center};
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var root = new ContentPage {Platform = plat, IsPlatformEnabled = true, Content = child};
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root.Layout (new Rectangle (0, 0, 200, 500));
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Assert.AreEqual (50, child.X);
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Assert.AreEqual (100, child.Width);
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Assert.AreEqual (500, child.Height);
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child = new Label () {
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Platform = plat, IsPlatformEnabled = true,
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HeightRequest = 100,
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VerticalOptions = LayoutOptions.Center
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};
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root = new ContentPage {
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Platform = plat, IsPlatformEnabled = true,
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Content = child
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};
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root.Layout (new Rectangle (0, 0, 200, 500));
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Assert.AreEqual (0, child.X);
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Assert.AreEqual (200, child.Y);
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Assert.AreEqual (200, child.Width);
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Assert.AreEqual (100, child.Height);
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child = new Label ();
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child.IsPlatformEnabled = true;
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child.HeightRequest = 100;
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root = new ContentPage {
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Content = child,
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Platform = plat, IsPlatformEnabled = true
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};
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root.Layout (new Rectangle (0, 0, 200, 500));
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Assert.AreEqual (0, child.X);
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Assert.AreEqual (0, child.Y);
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Assert.AreEqual (200, child.Width);
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Assert.AreEqual (500, child.Height);
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}
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[Test]
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public void NativeSizedChildBehavior ()
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{
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var plat = new UnitPlatform ();
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var child = new Label {Platform = plat, IsPlatformEnabled = true, HorizontalOptions = LayoutOptions.Center};
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var root = new ContentPage {Platform = plat, IsPlatformEnabled = true, Content = child};
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root.Layout (new Rectangle (0, 0, 200, 500));
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Assert.AreEqual (50, child.X);
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Assert.AreEqual (100, child.Width);
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Assert.AreEqual (500, child.Height);
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child = new Label () {
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Platform = plat, IsPlatformEnabled = true,
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VerticalOptions = LayoutOptions.Center
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};
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root = new ContentPage {
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Platform = plat, IsPlatformEnabled = true,
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Content = child
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};
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root.Layout (new Rectangle (0, 0, 200, 500));
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Assert.AreEqual (0, child.X);
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Assert.AreEqual (240, child.Y);
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Assert.AreEqual (200, child.Width);
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Assert.AreEqual (20, child.Height);
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}
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[Test]
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public void TestContentPageSetContent ()
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{
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View child;
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var page = new ContentPage {Content = child = new View ()};
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Assert.AreEqual (child, page.Content);
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bool fired = false;
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page.PropertyChanged += (sender, args) => {
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if (args.PropertyName == "Content")
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fired = true;
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};
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page.Content = child;
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Assert.False (fired);
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page.Content = new View ();
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Assert.True (fired);
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page.Content = null;
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Assert.Null (page.Content);
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}
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[Test]
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public void TestLayoutChildrenFill ()
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{
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View child;
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var page = new ContentPage {
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Content = child = new View {
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WidthRequest = 100,
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HeightRequest = 200,
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IsPlatformEnabled = true
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},
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IsPlatformEnabled = true,
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Platform = new UnitPlatform ()
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};
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page.Layout (new Rectangle (0, 0, 800, 800));
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Assert.AreEqual (new Rectangle (0, 0, 800, 800), child.Bounds);
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page.Layout (new Rectangle (0, 0, 50, 50));
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Assert.AreEqual (new Rectangle (0, 0, 50, 50), child.Bounds);
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}
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[Test]
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public void TestLayoutChildrenStart ()
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{
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View child;
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var page = new ContentPage {
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Content = child = new View {
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WidthRequest = 100,
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HeightRequest = 200,
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HorizontalOptions = LayoutOptions.Start,
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VerticalOptions = LayoutOptions.Start,
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IsPlatformEnabled = true
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},
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IsPlatformEnabled = true,
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Platform = new UnitPlatform ()
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};
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page.Layout (new Rectangle (0, 0, 800, 800));
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Assert.AreEqual (new Rectangle (0, 0, 100, 200), child.Bounds);
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page.Layout (new Rectangle (0, 0, 50, 50));
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Assert.AreEqual (new Rectangle (0, 0, 50, 50), child.Bounds);
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}
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[Test]
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public void TestLayoutChildrenEnd ()
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{
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View child;
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var page = new ContentPage {
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Content = child = new View {
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WidthRequest = 100,
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HeightRequest = 200,
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HorizontalOptions = LayoutOptions.End,
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VerticalOptions = LayoutOptions.End,
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IsPlatformEnabled = true
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},
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IsPlatformEnabled = true,
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Platform = new UnitPlatform ()
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};
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page.Layout (new Rectangle (0, 0, 800, 800));
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Assert.AreEqual (new Rectangle (700, 600, 100, 200), child.Bounds);
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page.Layout (new Rectangle (0, 0, 50, 50));
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Assert.AreEqual (new Rectangle (0, 0, 50, 50), child.Bounds);
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}
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[Test]
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public void TestLayoutChildrenCenter ()
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{
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View child;
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var page = new ContentPage {
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Content = child = new View {
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WidthRequest = 100,
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HeightRequest = 200,
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HorizontalOptions = LayoutOptions.Center,
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VerticalOptions = LayoutOptions.Center,
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IsPlatformEnabled = true
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},
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IsPlatformEnabled = true,
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Platform = new UnitPlatform ()
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};
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page.Layout (new Rectangle (0, 0, 800, 800));
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Assert.AreEqual (new Rectangle (350, 300, 100, 200), child.Bounds);
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page.Layout (new Rectangle (0, 0, 50, 50));
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Assert.AreEqual (new Rectangle (0, 0, 50, 50), child.Bounds);
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}
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[Test]
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public void TestLayoutWithContainerArea ()
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{
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View child;
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var page = new ContentPage {
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Content = child = new View {
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WidthRequest = 100,
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HeightRequest = 200,
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IsPlatformEnabled = true
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},
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IsPlatformEnabled = true,
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Platform = new UnitPlatform ()
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};
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page.Layout (new Rectangle (0, 0, 800, 800));
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Assert.AreEqual (new Rectangle (0, 0, 800, 800), child.Bounds);
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((IPageController)page).ContainerArea = new Rectangle (10, 10, 30, 30);
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Assert.AreEqual (new Rectangle (10, 10, 30, 30), child.Bounds);
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page.Layout (new Rectangle (0, 0, 50, 50));
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Assert.AreEqual (new Rectangle (10, 10, 30, 30), child.Bounds);
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}
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[Test]
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public void TestThrowOnInvalidAlignment ()
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{
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bool thrown = false;
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try {
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new ContentPage {
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Content = new View {
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WidthRequest = 100,
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HeightRequest = 200,
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HorizontalOptions = new LayoutOptions((LayoutAlignment) int.MaxValue, false),
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VerticalOptions = LayoutOptions.Center,
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IsPlatformEnabled = true
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},
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IsPlatformEnabled = true,
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Platform = new UnitPlatform ()
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};
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} catch (ArgumentOutOfRangeException) {
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thrown = true;
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}
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Assert.True (thrown);
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}
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[Test]
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public void BusyNotSentWhenNotVisible ()
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{
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var sent = false;
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MessagingCenter.Subscribe<Page, bool> (this, Page.BusySetSignalName, (p, b) => sent = true);
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new ContentPage { IsBusy = true };
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Assert.That (sent, Is.False, "Busy message sent while not visible");
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}
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[Test]
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public void BusySentWhenBusyPageAppears()
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{
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var sent = false;
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MessagingCenter.Subscribe<Page, bool> (this, Page.BusySetSignalName, (p, b) => {
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Assert.That (b, Is.True);
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sent = true;
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});
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var page = new ContentPage { IsBusy = true };
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Assert.That (sent, Is.False, "Busy message sent while not visible");
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((IPageController)page).SendAppearing();
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Assert.That (sent, Is.True, "Busy message not sent when visible");
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}
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[Test]
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public void BusySentWhenBusyPageDisappears()
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{
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var page = new ContentPage { IsBusy = true };
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((IPageController)page).SendAppearing();
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var sent = false;
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MessagingCenter.Subscribe<Page, bool> (this, Page.BusySetSignalName, (p, b) => {
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Assert.That (b, Is.False);
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sent = true;
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});
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((IPageController)page).SendDisappearing();
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Assert.That (sent, Is.True, "Busy message not sent when visible");
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}
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[Test]
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public void BusySentWhenVisiblePageSetToBusy()
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{
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var sent = false;
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MessagingCenter.Subscribe<Page, bool> (this, Page.BusySetSignalName, (p, b) => sent = true);
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var page = new ContentPage();
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((IPageController)page).SendAppearing();
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Assert.That (sent, Is.False, "Busy message sent appearing while not busy");
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page.IsBusy = true;
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Assert.That (sent, Is.True, "Busy message not sent when visible");
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}
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[Test]
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public void DisplayAlert ()
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{
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var page = new ContentPage ();
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AlertArguments args = null;
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MessagingCenter.Subscribe (this, Page.AlertSignalName, (Page sender, AlertArguments e) => args = e);
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var task = page.DisplayAlert ("Title", "Message", "Accept", "Cancel");
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Assert.AreEqual ("Title", args.Title);
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Assert.AreEqual ("Message", args.Message);
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Assert.AreEqual ("Accept", args.Accept);
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Assert.AreEqual ("Cancel", args.Cancel);
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bool completed = false;
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var continueTask = task.ContinueWith (t => completed = true);
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args.SetResult (true);
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continueTask.Wait ();
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Assert.True (completed);
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}
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[Test]
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public void DisplayActionSheet ()
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{
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var page = new ContentPage ();
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ActionSheetArguments args = null;
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MessagingCenter.Subscribe (this, Page.ActionSheetSignalName, (Page sender, ActionSheetArguments e) => args = e);
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var task = page.DisplayActionSheet ("Title", "Cancel", "Destruction", "Other 1", "Other 2");
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Assert.AreEqual ("Title", args.Title);
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Assert.AreEqual ("Destruction", args.Destruction);
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Assert.AreEqual ("Cancel", args.Cancel);
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Assert.AreEqual ("Other 1", args.Buttons.First());
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Assert.AreEqual ("Other 2", args.Buttons.Skip (1).First());
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bool completed = false;
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var continueTask = task.ContinueWith (t => completed = true);
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args.SetResult ("Cancel");
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continueTask.Wait ();
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Assert.True (completed);
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}
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class PageTestApp : Application { }
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[Test]
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public void SendApplicationPageAppearing()
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{
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var app = new PageTestApp();
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var page = new ContentPage();
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Page actual = null;
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app.MainPage = page;
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app.PageAppearing += (sender, args) => actual = args;
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((IPageController)page).SendAppearing();
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Assert.AreSame(page, actual);
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}
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[Test]
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public void SendApplicationPageDisappearing()
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{
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var app = new PageTestApp();
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var page = new ContentPage();
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Page actual = null;
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app.MainPage = page;
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app.PageDisappearing += (sender, args) => actual = args;
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((IPageController)page).SendAppearing();
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((IPageController)page).SendDisappearing();
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Assert.AreSame(page, actual);
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}
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[Test]
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public void SendAppearing ()
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{
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var page = new ContentPage ();
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bool sent = false;
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page.Appearing += (sender, args) => sent = true;
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((IPageController)page).SendAppearing ();
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Assert.True (sent);
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}
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[Test]
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public void SendDisappearing ()
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{
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var page = new ContentPage ();
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((IPageController)page).SendAppearing ();
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bool sent = false;
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page.Disappearing += (sender, args) => sent = true;
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((IPageController)page).SendDisappearing ();
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Assert.True (sent);
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}
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[Test]
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public void SendAppearingDoesntGetCalledMultipleTimes ()
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{
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var page = new ContentPage ();
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int countAppearing = 0;
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page.Appearing += (sender, args) => countAppearing++;
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((IPageController)page).SendAppearing ();
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((IPageController)page).SendAppearing ();
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Assert.That (countAppearing, Is.EqualTo(1));
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}
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[Test]
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public void IsVisibleWorks ()
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{
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var page = new ContentPage ();
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page.IsVisible = false;
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Assert.False (page.IsVisible);
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}
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[Test]
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public void SendAppearingToChildrenAfter ()
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{
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var page = new ContentPage ();
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var navPage = new NavigationPage (page);
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bool sentNav = false;
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bool sent = false;
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page.Appearing += (sender, args) => {
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if (sentNav)
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sent = true;
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};
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navPage.Appearing += (sender, e) => sentNav = true;
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((IPageController)navPage).SendAppearing ();
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Assert.True (sentNav);
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Assert.True (sent);
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}
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[Test]
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public void SendDisappearingToChildrenPageFirst ()
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{
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var page = new ContentPage ();
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var navPage = new NavigationPage (page);
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((IPageController)navPage).SendAppearing ();
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bool sentNav = false;
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bool sent = false;
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page.Disappearing += (sender, args) => {
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sent = true;
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};
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navPage.Disappearing += (sender, e) => {
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if (sent)
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sentNav = true;
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};
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((IPageController)navPage).SendDisappearing ();
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Assert.True (sentNav);
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Assert.True (sent);
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}
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}
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}
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