2016-03-22 23:02:25 +03:00
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using System;
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using System.Threading.Tasks;
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using NUnit.Framework;
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using System.Collections.Generic;
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using System.Linq;
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2017-03-07 22:56:24 +03:00
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using Xamarin.Forms.Internals;
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2016-03-22 23:02:25 +03:00
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namespace Xamarin.Forms.Core.UnitTests
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{
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[TestFixture]
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public class NavigationMenuUnitTests : BaseTestFixture
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{
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[Test]
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public void TestTargets ()
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{
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var menu = new NavigationMenu ();
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Assert.That (menu.Targets, Is.Empty);
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bool signaled = false;
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menu.PropertyChanged += (sender, args) => {
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if (args.PropertyName == "Targets")
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signaled = true;
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};
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var newArray = new[] {
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new ContentPage { Content = new View (), Icon = "img1.jpg" },
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new ContentPage { Content = new View (), Icon = "img2.jpg" }
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};
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menu.Targets = newArray;
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Assert.AreEqual (newArray, menu.Targets);
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Assert.True (signaled);
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}
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[Test]
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public void TestTargetsDoubleSet ()
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{
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var menu = new NavigationMenu ();
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bool signaled = false;
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menu.PropertyChanged += (sender, args) => {
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if (args.PropertyName == "Targets")
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signaled = true;
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};
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menu.Targets = menu.Targets;
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Assert.False (signaled);
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}
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[Test]
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public void TestAdd ()
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{
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var menu = new NavigationMenu ();
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bool signaled = false;
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menu.PropertyChanged += (sender, args) => {
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switch (args.PropertyName) {
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case "Targets":
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signaled = true;
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break;
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}
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};
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var child = new ContentPage {
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Content = new View (),
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Icon = "img.jpg"
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};
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menu.Add (child);
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Assert.True (menu.Targets.Contains (child));
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Assert.True (signaled);
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}
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[Test]
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public void IconNotSet ()
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{
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var menu = new NavigationMenu ();
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var childWithoutIcon = new ContentPage { Title = "I have no image" };
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var ex = Assert.Throws<Exception> (() => menu.Add (childWithoutIcon));
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Assert.That (ex.Message, Is.EqualTo ("Icon must be set for each page before adding them to a Navigation Menu"));
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}
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[Test]
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public void TestDoubleAdd ()
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{
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var menu = new NavigationMenu ();
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var child = new ContentPage {
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Icon = "img.img",
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Content = new View ()
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};
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menu.Add (child);
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bool signaled = false;
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menu.PropertyChanged += (sender, args) => {
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switch (args.PropertyName) {
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case "Targets":
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signaled = true;
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break;
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}
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};
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menu.Add (child);
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Assert.True (menu.Targets.Contains (child));
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Assert.False (signaled);
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}
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[Test]
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public void TestRemove ()
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{
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var menu = new NavigationMenu ();
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var child = new ContentPage {
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Icon = "img.img",
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Content = new View ()
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};
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menu.Add (child);
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bool signaled = false;
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menu.PropertyChanged += (sender, args) => {
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switch (args.PropertyName) {
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case "Targets":
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signaled = true;
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break;
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}
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};
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menu.Remove (child);
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Assert.False (menu.Targets.Contains (child));
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Assert.True (signaled);
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}
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[Test]
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public void TestDoubleRemove ()
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{
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var menu = new NavigationMenu ();
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var child = new ContentPage {
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Icon = "jpg.jpg",
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Content = new View ()
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};
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menu.Add (child);
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menu.Remove (child);
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bool signaled = false;
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menu.PropertyChanged += (sender, args) => {
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switch (args.PropertyName) {
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case "Targets":
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signaled = true;
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break;
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}
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};
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menu.Remove (child);
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Assert.False (menu.Targets.Contains (child));
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Assert.False (signaled);
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}
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[Test]
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public async Task TestSendTargetSelected ()
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{
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var menu = new NavigationMenu ();
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var navForm = new NavigationPage ();
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await navForm.PushAsync (new ContentPage {
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Title = "Menu",
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Content = menu
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});
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bool pushed = false;
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navForm.Pushed += (sender, arg) => pushed = true;
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var child = new ContentPage {
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Icon = "img.jpg",
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Content = new View ()
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};
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menu.Add (child);
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2017-04-11 21:02:06 +03:00
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menu.SendTargetSelected (child);
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2016-03-22 23:02:25 +03:00
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Assert.True (pushed);
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Assert.AreEqual (child, navForm.CurrentPage);
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}
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}
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}
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