public void TemplateApplyTest()
{
string text = @"
<ControlTemplate xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml' x:Name='root'>
<FrameworkElement x:Name='child' Height='400'/>
<ControlTemplate.Triggers>
<Trigger Property='FrameworkElement.Width' Value='100'>
<Setter Property='FrameworkElement.Height' Value='100'/>
</Trigger>
<Trigger Property='FrameworkElement.Width' Value='200'>
<Setter Property='FrameworkElement.Height' Value='200'/>
<Setter TargetName='child' Property='FrameworkElement.Height' Value='200'/>
</Trigger>
<EventTrigger RoutedEvent='FrameworkElement.Initialized'>
<Setter Property='FrameworkElement.Height' Value='300'/>
</EventTrigger>
</ControlTemplate.Triggers>
</ControlTemplate>";
ControlTemplate controlTemplate = XamlLoader.Load(XamlParser.Parse(text)) as ControlTemplate;
Control control = new Control();
control.Width = 100;
control.Template = controlTemplate;
control.ApplyTemplate();
Assert.AreEqual(1, control.VisualChildren.Count());
FrameworkElement child1 = control.TemplateChild as FrameworkElement;
Assert.IsNotNull(child1);
FrameworkElement child2 = control.Template.FindName("child", control) as FrameworkElement;
Assert.AreEqual(child1, child2);
Assert.AreEqual(control, child1.TemplatedParent);
Assert.AreEqual(400, child1.Height);
Assert.AreEqual(BaseValueSource.ParentTemplate, child1.GetValueSource(FrameworkElement.HeightProperty).BaseValueSource);
Assert.AreEqual(BaseValueSource.ParentTemplate, child1.GetBaseValueSource(FrameworkElement.HeightProperty));
Assert.AreEqual(100, control.Height);
Assert.AreEqual(BaseValueSource.TemplateTrigger, control.GetValueSource(FrameworkElement.HeightProperty).BaseValueSource);
Assert.AreEqual(BaseValueSource.TemplateTrigger, control.GetBaseValueSource(FrameworkElement.HeightProperty));
control.Width = 200;
Assert.AreEqual(200, control.Height);
Assert.AreEqual(BaseValueSource.TemplateTrigger, control.GetValueSource(FrameworkElement.HeightProperty).BaseValueSource);
Assert.AreEqual(BaseValueSource.TemplateTrigger, control.GetBaseValueSource(FrameworkElement.HeightProperty));
Assert.AreEqual(200, child1.Height);
Assert.AreEqual(BaseValueSource.ParentTemplateTrigger, child1.GetValueSource(FrameworkElement.HeightProperty).BaseValueSource);
Assert.AreEqual(BaseValueSource.ParentTemplateTrigger, child1.GetBaseValueSource(FrameworkElement.HeightProperty));
control.RaiseEvent(new RoutedEventArgs(FrameworkElement.InitializedEvent, control));
Assert.AreEqual(300, control.Height);
Assert.AreEqual(BaseValueSource.TemplateTrigger, control.GetValueSource(FrameworkElement.HeightProperty).BaseValueSource);
Assert.AreEqual(BaseValueSource.TemplateTrigger, control.GetBaseValueSource(FrameworkElement.HeightProperty));
control.Template = null;
control.ApplyTemplate();
Assert.AreEqual(Double.NaN, control.Height);
}
public void StyleEventTriggerTest()
{
string text = @"
<Style xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml' xmlns:test='clr-namespace:Granular.Presentation.Tests;assembly=Granular.Presentation.Tests'>
<Setter Property='FrameworkElement.Width' Value='100'/>
<EventSetter Event='FrameworkElement.Initialized' Handler='InitializedHandler'/>
<Style.Triggers>
<EventTrigger RoutedEvent='FrameworkElement.Initialized'>
<Setter Property='FrameworkElement.Width' Value='200'/>
</EventTrigger>
</Style.Triggers>
</Style>";
TestStyle style = new TestStyle();
XamlLoader.Load(style, XamlParser.Parse(text));
Control control = new Control();
control.Style = style;
Assert.AreEqual(100, control.Width);
Assert.AreEqual(BaseValueSource.Style, control.GetValueSource(FrameworkElement.WidthProperty).BaseValueSource);
Assert.AreEqual(0, style.InitializedHandlerCallsCount);
control.RaiseEvent(new RoutedEventArgs(FrameworkElement.InitializedEvent, control));
Assert.AreEqual(200, control.Width);
Assert.AreEqual(BaseValueSource.StyleTrigger, control.GetValueSource(FrameworkElement.WidthProperty).BaseValueSource);
Assert.AreEqual(1, style.InitializedHandlerCallsCount);
control.Style = null;
Assert.AreEqual(Double.NaN, control.Width);
Assert.AreEqual(BaseValueSource.Default, control.GetValueSource(FrameworkElement.WidthProperty).BaseValueSource);
control.RaiseEvent(new RoutedEventArgs(FrameworkElement.InitializedEvent, control));
Assert.AreEqual(Double.NaN, control.Width);
Assert.AreEqual(BaseValueSource.Default, control.GetValueSource(FrameworkElement.WidthProperty).BaseValueSource);
Assert.AreEqual(1, style.InitializedHandlerCallsCount);
}