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using System;
using NUnit.Framework;
using System.Collections.ObjectModel;
using Xamarin.Forms.Core.UnitTests;
namespace Xamarin.Forms.Xaml.UnitTests
{
public class SeverityColorConverter : IValueConverter
{
public object Convert (object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
count++;
return Color.Blue;
}
public object ConvertBack (object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
throw new NotImplementedException ();
}
public static int count=0;
}
public class InvertBoolenConverter : IValueConverter
{
public object Convert (object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
count++;
if (value is bool) {
return !(bool)value;
}
return value;
}
public object ConvertBack (object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
throw new NotImplementedException ();
}
public static int count=0;
}
public class Item
{
public bool IsLocked {
get;
set;
}
}
[TestFixture]
public class Issue1549
{
[SetUp]
public void Setup ()
{
SeverityColorConverter.count = 0;
InvertBoolenConverter.count = 0;
Device.PlatformServices = new MockPlatformServices();
}
[TearDown]
public void TearDown()
{
Device.PlatformServices = null;
}
[Test]
public void ConverterIsInvoked ()
{
var xaml = @"
<ContentPage
xmlns=""http://xamarin.com/schemas/2014/forms""
xmlns:x=""http://schemas.microsoft.com/winfx/2009/xaml""
xmlns:local=""clr-namespace:Xamarin.Forms.Xaml.UnitTests;assembly=Xamarin.Forms.Xaml.UnitTests"">
<ContentPage.Resources>
<ResourceDictionary>
<local:SeverityColorConverter x:Key=""SeverityColorConverter"" />
</ResourceDictionary>
</ContentPage.Resources>
<Label Text=""{Binding value, StringFormat='{0}'}""
WidthRequest=""50""
TextColor=""Black""
x:Name=""label""
BackgroundColor=""{Binding Severity, Converter={StaticResource SeverityColorConverter}}""
XAlign=""Center"" YAlign=""Center""/>
</ContentPage>";
var layout = new ContentPage ().LoadFromXaml (xaml);
layout.BindingContext = new {Value = "Foo", Severity = "Bar"};
var label = layout.FindByName<Label> ("label");
Assert.AreEqual (Color.Blue, label.BackgroundColor);
Assert.AreEqual (1, SeverityColorConverter.count);
}
[Test]
public void ResourcesInNonXFBaseClassesAreFound ()
{
var xaml = @"<local:BaseView
xmlns=""http://xamarin.com/schemas/2014/forms""
xmlns:x=""http://schemas.microsoft.com/winfx/2009/xaml""
xmlns:local=""clr-namespace:Xamarin.Forms.Xaml.UnitTests;assembly=Xamarin.Forms.Xaml.UnitTests""
Padding=""0,40,0,0"">
<local:BaseView.Resources>
<ResourceDictionary>
<local:InvertBoolenConverter x:Key=""cnvInvert""></local:InvertBoolenConverter>
</ResourceDictionary>
</local:BaseView.Resources>
<local:BaseView.Content>
<ListView x:Name=""lst"" VerticalOptions=""FillAndExpand""
HorizontalOptions=""FillAndExpand""
ItemsSource=""{Binding Items}""
>
<ListView.ItemTemplate >
<DataTemplate>
<ViewCell >
<ViewCell.View>
<Grid VerticalOptions=""FillAndExpand"" HorizontalOptions=""FillAndExpand"" >
<Label IsVisible=""{Binding IsLocked}"" Text=""Show Is Locked"" />
<Label IsVisible=""{Binding IsLocked, Converter={StaticResource cnvInvert}}"" Text=""Show Is Not locked"" />
</Grid>
</ViewCell.View>
</ViewCell>
</DataTemplate>
</ListView.ItemTemplate>
</ListView>
</local:BaseView.Content>
</local:BaseView>";
var page = new Issue1549Page ().LoadFromXaml (xaml);
var lst = page.FindByName<ListView> ("lst");
ObservableCollection<Item> items;
lst.BindingContext = new {
Items = items = new ObservableCollection<Item> {
new Item { IsLocked = true},
new Item { IsLocked = false},
new Item { IsLocked = true},
new Item { IsLocked = true},
},
};
var cell0 = (ViewCell)lst.TemplatedItems.GetOrCreateContent (0, items [0]);
var cell1 = (ViewCell)lst.TemplatedItems.GetOrCreateContent (1, items [1]);
var cell2 = (ViewCell)lst.TemplatedItems.GetOrCreateContent (2, items [2]);
var cell3 = (ViewCell)lst.TemplatedItems.GetOrCreateContent (3, items [3]);
var label00 = (cell0.View as Grid).Children [0] as Label;
var label01 = (cell0.View as Grid).Children [1] as Label;
Assert.AreEqual ("Show Is Locked", label00.Text);
Assert.AreEqual ("Show Is Not locked", label01.Text);
Assert.AreEqual (true, label00.IsVisible);
Assert.AreEqual (false, label01.IsVisible);
Assert.AreEqual (4, InvertBoolenConverter.count);
}
}
public class BaseView : ContentPage
{
}
public partial class Issue1549Page : BaseView
{
}
}
|
