Avalonia/tests/Avalonia.Markup.Xaml.UnitTests/Xaml/StaticResourceTests.cs

// Copyright (c) The Avalonia Project. All rights reserved.
// Licensed under the MIT license. See licence.md file in the project root for full license information.

using System;
using Avalonia.Controls;
using Avalonia.Markup.Xaml.Data;
using Avalonia.Media;
using Avalonia.Styling;
using Avalonia.UnitTests;
using Xunit;

namespace Avalonia.Markup.Xaml.UnitTests.Xaml
{
    public class StaticResourceTests
    {
        [Fact]
        public void StaticResource_Style_Can_Be_Assigned_To_Property()
        {
            var xaml = @"
<UserControl xmlns='https://github.com/avaloniaui'
             xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'>
    <UserControl.Resources>
        <SolidColorBrush x:Key='brush'>#ff506070</SolidColorBrush>
    </UserControl.Resources>

    <Border Name='border' Background='{StaticResource brush}'/>
</UserControl>";

            var loader = new AvaloniaXamlLoader();
            var userControl = (UserControl)loader.Load(xaml);
            var border = userControl.FindControl<Border>("border");

            var brush = (SolidColorBrush)border.Background;
            Assert.Equal(0xff506070, brush.Color.ToUint32());
        }

        [Fact]
        public void StaticResource_From_Style_Can_Be_Assigned_To_Property()
        {
            var xaml = @"
<UserControl xmlns='https://github.com/avaloniaui'
             xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'>
    <UserControl.Styles>
        <Style>
            <Style.Resources>
                <SolidColorBrush x:Key='brush'>#ff506070</SolidColorBrush>
            </Style.Resources>
        </Style>
    </UserControl.Styles>

    <Border Name='border' Background='{StaticResource brush}'/>
</UserControl>";

            var loader = new AvaloniaXamlLoader();
            var userControl = (UserControl)loader.Load(xaml);
            var border = userControl.FindControl<Border>("border");

            var brush = (SolidColorBrush)border.Background;
            Assert.Equal(0xff506070, brush.Color.ToUint32());
        }

        [Fact]
        public void StaticResource_Can_Be_Assigned_To_Setter()
        {
            using (StyledWindowNoTheme())
            {
                var xaml = @"
<Window xmlns='https://github.com/avaloniaui'
        xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'>
    <Window.Resources>
        <SolidColorBrush x:Key='brush'>#ff506070</SolidColorBrush>
    </Window.Resources>
    <Window.Styles>
        <Style Selector='Button'>
            <Setter Property='Background' Value='{StaticResource brush}'/>
        </Style>
    </Window.Styles>
    <Button Name='button'/>
</Window>";

                var loader = new AvaloniaXamlLoader();
                var window = (Window)loader.Load(xaml);
                var button = window.FindControl<Button>("button");
                var brush = (SolidColorBrush)button.Background;

                Assert.Equal(0xff506070, brush.Color.ToUint32());
            }
        }

        [Fact]
        public void StaticResource_From_Style_Can_Be_Assigned_To_Setter()
        {
            using (StyledWindowNoTheme())
            {
                var xaml = @"
<Window xmlns='https://github.com/avaloniaui'
        xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'>
    <Window.Styles>
        <Style>
            <Style.Resources>
                <SolidColorBrush x:Key='brush'>#ff506070</SolidColorBrush>
            </Style.Resources>
        </Style>
        <Style Selector='Button'>
            <Setter Property='Background' Value='{StaticResource brush}'/>
        </Style>
    </Window.Styles>
    <Button Name='button'/>
</Window>";

                var loader = new AvaloniaXamlLoader();
                var window = (Window)loader.Load(xaml);
                var button = window.FindControl<Button>("button");
                var brush = (SolidColorBrush)button.Background;

                Assert.Equal(0xff506070, brush.Color.ToUint32());
            }
        }

        private IDisposable StyledWindowNoTheme()
        {
            return UnitTestApplication.Start(TestServices.StyledWindow.With(theme: () => new Styles()));
        }
    }
}