maui-linux/Xamarin.Forms.Core.UnitTests/NavigationMenuUnitTests.cs

193 строки
3.8 KiB
C#
Исходник Обычный вид История

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