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using System;
using System.Collections.Generic;
using Xamarin.Forms;
using NUnit.Framework;
using Xamarin.Forms.Core.UnitTests;
namespace Xamarin.Forms.Xaml.UnitTests
{
public partial class Issue2659 : ContentPage
{
public Issue2659 ()
{
InitializeComponent ();
}
public Issue2659 (bool useCompiledXaml)
{
//this stub will be replaced at compile time
}
void OnSetStyleButtonClicked(object sender, EventArgs args)
{
Style style = (Style)Resources["buttonStyle"];
SetButtonStyle(style);
}
void OnUnsetStyleButtonClicked(object sender, EventArgs args)
{
SetButtonStyle (null);
}
void OnSetLocalButtonClicked(object sender, EventArgs args)
{
EnumerateButtons ((Button button) => {
button.TextColor = Color.Red;
button.FontAttributes = FontAttributes.Bold;
});
}
void OnClearLocalButtonClicked(object sender, EventArgs args)
{
EnumerateButtons ((Button button) => {
button.ClearValue (Button.TextColorProperty);
button.ClearValue (Button.FontAttributesProperty);
});
}
void SetButtonStyle(Style style)
{
EnumerateButtons (button => {
button.Style = style;
});
}
void EnumerateButtons(Action<Button> action)
{
foreach (View view in stackLayout.Children)
action ((Button)view);
}
[TestFixture]
public class Tests
{
[SetUp]
public void SetUp ()
{
Device.PlatformServices = new MockPlatformServices ();
}
void AssertStyleApplied (Button button)
{
Assert.AreEqual (LayoutOptions.Center, button.HorizontalOptions);
Assert.AreEqual (LayoutOptions.CenterAndExpand, button.VerticalOptions);
Assert.AreEqual (16, button.FontSize);
Assert.AreEqual (Color.Blue, button.TextColor);
Assert.AreEqual (FontAttributes.Italic, button.FontAttributes);
}
void AssertStyleUnApplied (Button button)
{
Assert.AreEqual (View.HorizontalOptionsProperty.DefaultValue, button.HorizontalOptions);
Assert.AreEqual (View.VerticalOptionsProperty.DefaultValue, button.VerticalOptions);
Assert.AreEqual (10, button.FontSize);
Assert.AreEqual (Button.TextColorProperty.DefaultValue, button.TextColor);
Assert.AreEqual (Button.FontAttributesProperty.DefaultValue, button.FontAttributes);
}
[TestCase (false)]
[TestCase (true)]
public void SetUnsetStyleFromResource (bool useCompiledXaml)
{
var layout = new Issue2659 (useCompiledXaml);
layout.EnumerateButtons (AssertStyleUnApplied);
((IButtonController)layout.button0).SendClicked ();
layout.EnumerateButtons (AssertStyleApplied);
((IButtonController)layout.button1).SendClicked ();
layout.EnumerateButtons (AssertStyleUnApplied);
}
void AssertPropertiesApplied (Button button)
{
Assert.AreEqual (Color.Red, button.TextColor);
Assert.AreEqual (FontAttributes.Bold, button.FontAttributes);
}
void AssertPropertiesUnApplied (Button button)
{
Assert.AreEqual (Button.TextColorProperty.DefaultValue, button.TextColor);
Assert.AreEqual (Button.FontAttributesProperty.DefaultValue, button.FontAttributes);
}
[TestCase (false)]
[TestCase (true)]
public void SetUnsetLocalProperties (bool useCompiledXaml)
{
var layout = new Issue2659 (useCompiledXaml);
layout.EnumerateButtons (AssertPropertiesUnApplied);
((IButtonController)layout.button2).SendClicked ();
layout.EnumerateButtons (AssertPropertiesApplied);
((IButtonController)layout.button3).SendClicked ();
layout.EnumerateButtons (AssertPropertiesUnApplied);
}
}
}
}
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