public void RegionGetsCreatedWhenAccessingRegions()
{
var control1 = new MockFrameworkElement();
var control2 = new MockFrameworkContentElement();
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => "myRegionName"
};
var behavior1 = this.GetBehavior(control1, accessor);
behavior1.Attach();
var behavior2 = this.GetBehavior(control2, accessor);
behavior2.Attach();
accessor.UpdateRegions();
Assert.IsNotNull(RegionManager.GetObservableRegion(control1).Value);
Assert.IsInstanceOfType(RegionManager.GetObservableRegion(control1).Value, typeof(IRegion));
Assert.IsNotNull(RegionManager.GetObservableRegion(control2).Value);
Assert.IsInstanceOfType(RegionManager.GetObservableRegion(control2).Value, typeof(IRegion));
}
public void ShouldCleanupBehaviorOnceRegionIsCreated()
{
var control = new MockFrameworkElement();
var control2 = new MockFrameworkContentElement();
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => "myRegionName"
};
var behavior = this.GetBehavior(control, accessor);
WeakReference behaviorWeakReference = new WeakReference(behavior);
behavior.Attach();
accessor.UpdateRegions();
Assert.IsTrue(behaviorWeakReference.IsAlive);
GC.KeepAlive(behavior);
behavior = null;
GC.Collect();
Assert.IsFalse(behaviorWeakReference.IsAlive);
var behavior2 = this.GetBehavior(control2, accessor);
WeakReference behaviorWeakReference2 = new WeakReference(behavior2);
behavior2.Attach();
accessor.UpdateRegions();
Assert.IsTrue(behaviorWeakReference2.IsAlive);
GC.KeepAlive(behavior2);
behavior2 = null;
GC.Collect();
Assert.IsFalse(behaviorWeakReference2.IsAlive);
}
