C# (CSharp) Avalonia.Markup.Xaml.UnitTests.MarkupExtensions TestDataContext示例

示例#1

文件： CompiledBindingExtensionTests.cs 项目： wbhsm/Avalonia

        public void SupportCastToTypeInExpression()
        {
            using (UnitTestApplication.Start(TestServices.StyledWindow))
            {
                var xaml           = @"
<Window xmlns='https://github.com/avaloniaui'
        xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
        xmlns:local='using:Avalonia.Markup.Xaml.UnitTests.MarkupExtensions'
        x:DataType='local:TestDataContext'>
    <ContentControl Content='{CompiledBinding $parent.((local:TestDataContext)DataContext)}' Name='contentControl' />
</Window>";
                var window         = (Window)AvaloniaRuntimeXamlLoader.Load(xaml);
                var contentControl = window.FindControl <ContentControl>("contentControl");

                var dataContext = new TestDataContext();

                window.DataContext = dataContext;

                Assert.Equal(dataContext, contentControl.Content);
            }
        }

示例#2

文件： CompiledBindingExtensionTests.cs 项目： wbhsm/Avalonia

        public void ResolvesStreamTaskBindingCorrectly()
        {
            using (UnitTestApplication.Start(TestServices.StyledWindow))
            {
                var xaml      = @"
<Window xmlns='https://github.com/avaloniaui'
        xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
        xmlns:local='clr-namespace:Avalonia.Markup.Xaml.UnitTests.MarkupExtensions;assembly=Avalonia.Markup.Xaml.UnitTests'
        x:DataType='local:TestDataContext'>
    <TextBlock Text='{CompiledBinding TaskProperty^}' Name='textBlock' />
</Window>";
                var window    = (Window)AvaloniaRuntimeXamlLoader.Load(xaml);
                var textBlock = window.FindControl <TextBlock>("textBlock");

                var dataContext = new TestDataContext
                {
                    TaskProperty = Task.FromResult("foobar")
                };

                window.DataContext = dataContext;

                Assert.Equal(dataContext.TaskProperty.Result, textBlock.Text);
            }
        }

示例#3

文件： CompiledBindingExtensionTests.cs 项目： wbhsm/Avalonia

        public void ResolvesArrayIndexerBindingCorrectly()
        {
            using (UnitTestApplication.Start(TestServices.StyledWindow))
            {
                var xaml      = @"
<Window xmlns='https://github.com/avaloniaui'
        xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
        xmlns:local='clr-namespace:Avalonia.Markup.Xaml.UnitTests.MarkupExtensions;assembly=Avalonia.Markup.Xaml.UnitTests'
        x:DataType='local:TestDataContext'>
    <TextBlock Text='{CompiledBinding ArrayProperty[3]}' Name='textBlock' />
</Window>";
                var window    = (Window)AvaloniaRuntimeXamlLoader.Load(xaml);
                var textBlock = window.FindControl <TextBlock>("textBlock");

                var dataContext = new TestDataContext
                {
                    ArrayProperty = new[] { "A", "B", "C", "D", "E" }
                };

                window.DataContext = dataContext;

                Assert.Equal(dataContext.ArrayProperty[3], textBlock.Text);
            }
        }

示例#4

文件： CompiledBindingExtensionTests.cs 项目： wbhsm/Avalonia

        public void ResolvesClrPropertyBasedOnDataContextType_InterfaceInheritance()
        {
            using (UnitTestApplication.Start(TestServices.StyledWindow))
            {
                var xaml      = @"
<Window xmlns='https://github.com/avaloniaui'
        xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
        xmlns:local='clr-namespace:Avalonia.Markup.Xaml.UnitTests.MarkupExtensions;assembly=Avalonia.Markup.Xaml.UnitTests'
        x:DataType='local:IHasPropertyDerived'>
    <TextBlock Text='{CompiledBinding StringProperty}' Name='textBlock' />
</Window>";
                var window    = (Window)AvaloniaRuntimeXamlLoader.Load(xaml);
                var textBlock = window.FindControl <TextBlock>("textBlock");

                var dataContext = new TestDataContext
                {
                    StringProperty = "foobar"
                };

                window.DataContext = dataContext;

                Assert.Equal(dataContext.StringProperty, textBlock.Text);
            }
        }

示例#5

        public void SupportsDotPath()
        {
            using (UnitTestApplication.Start(TestServices.StyledWindow))
            {
                var xaml      = @"
<Window xmlns='https://github.com/avaloniaui'
        xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
        xmlns:local='clr-namespace:Avalonia.Markup.Xaml.UnitTests.MarkupExtensions;assembly=Avalonia.Markup.Xaml.UnitTests'
        x:DataType='local:TestDataContext'>
    <TextBlock Text='{CompiledBinding .}' Name='textBlock' />
</Window>";
                var window    = (Window)AvaloniaRuntimeXamlLoader.Load(xaml);
                var textBlock = window.FindControl <TextBlock>("textBlock");

                var dataContext = new TestDataContext
                {
                    StringProperty = "foobar"
                };

                window.DataContext = dataContext;

                Assert.Equal(typeof(TestDataContext).FullName, textBlock.Text);
            }
        }