public void When_RemoveTemplate()
{
_mockProvider.CanUseMemoryManager = false;
var TemplateCreated = 0;
List <TemplatePoolAwareControl> _created = new List <TemplatePoolAwareControl>();
var dataTemplate = new DataTemplate(() =>
{
TemplateCreated++;
var b = new TemplatePoolAwareControl();
_created.Add(b);
return(b);
});
var SUT = new ContentControl()
{
ContentTemplate = dataTemplate
};
var root = new Grid();
root.ForceLoaded();
root.Children.Add(SUT);
Assert.AreEqual(1, TemplateCreated);
SUT.ContentTemplate = null;
Assert.AreEqual(1, TemplateCreated);
Assert.AreEqual(1, _created.Count);
Assert.AreEqual(1, _created[0].TemplateRecycled);
}
public void When_RemoveTemplate_And_OutOfMemory()
{
_mockProvider.CanUseMemoryManager = true;
_mockProvider.AppMemoryUsageLimit = 100;
List <TemplatePoolAwareControl> _created = new();
var dataTemplate = new DataTemplate(() =>
{
var b = new TemplatePoolAwareControl();
_created.Add(b);
return(b);
});
var SUT = new ContentControl()
{
ContentTemplate = dataTemplate
};
var root = new Grid();
root.ForceLoaded();
root.Children.Add(SUT);
Assert.AreEqual(1, _created.Count);
_mockProvider.AppMemoryUsage = 81;
SUT.ContentTemplate = null;
Assert.AreEqual(1, _created.Count);
Assert.AreEqual(0, _created[0].TemplateRecycled);
Assert.IsNull(SUT.ContentTemplateRoot);
_mockProvider.Now = TimeSpan.FromMinutes(2);
FrameworkTemplatePool.Instance.Scavenge(false);
SUT.ContentTemplate = dataTemplate;
Assert.AreEqual(2, _created.Count);
Assert.AreEqual(0, _created[0].TemplateRecycled);
Assert.IsNotNull(SUT.ContentTemplateRoot);
_mockProvider.AppMemoryUsage = 79;
SUT.ContentTemplate = null;
Assert.AreEqual(2, _created.Count);
Assert.AreEqual(0, _created[0].TemplateRecycled);
Assert.AreEqual(1, _created[1].TemplateRecycled);
Assert.IsNull(SUT.ContentTemplateRoot);
}
