public void GetAssociationReturnsExpectedObject()
{
var primaryObject = new DescriptorTestComponent();
var secondaryObject = new MockEventDescriptor();
TypeDescriptor.CreateAssociation(primaryObject, secondaryObject);
var associatedObject = TypeDescriptor.GetAssociation(secondaryObject.GetType(), primaryObject);
Assert.IsType(secondaryObject.GetType(), associatedObject);
Assert.Equal(secondaryObject, associatedObject);
}
public void GetAssociationReturnsExpectedObject()
{
var primaryObject = new DescriptorTestComponent();
var secondaryObject = new MockEventDescriptor();
TypeDescriptor.CreateAssociation(primaryObject, secondaryObject);
var associatedObject = TypeDescriptor.GetAssociation(secondaryObject.GetType(), primaryObject);
Assert.IsType(secondaryObject.GetType(), associatedObject);
Assert.Equal(secondaryObject, associatedObject);
}
public void RemoveSingleAssociation()
{
var primaryObject = new DescriptorTestComponent();
var firstAssociatedObject = new MockEventDescriptor();
var secondAssociatedObject = new MockPropertyDescriptor();
TypeDescriptor.CreateAssociation(primaryObject, firstAssociatedObject);
TypeDescriptor.CreateAssociation(primaryObject, secondAssociatedObject);
TypeDescriptor.RemoveAssociation(primaryObject, firstAssociatedObject);
// the second association should remain
var secondAssociation = TypeDescriptor.GetAssociation(secondAssociatedObject.GetType(), primaryObject);
Assert.Equal(secondAssociatedObject, secondAssociation);
// the first association should not
var firstAssociation = TypeDescriptor.GetAssociation(firstAssociatedObject.GetType(), primaryObject);
Assert.NotEqual(firstAssociatedObject, firstAssociation);
}
public void RemoveAssociationsRemovesAllAssociations()
{
var primaryObject = new DescriptorTestComponent();
var firstAssociatedObject = new MockEventDescriptor();
var secondAssociatedObject = new MockPropertyDescriptor();
TypeDescriptor.CreateAssociation(primaryObject, firstAssociatedObject);
TypeDescriptor.CreateAssociation(primaryObject, secondAssociatedObject);
TypeDescriptor.RemoveAssociations(primaryObject);
// GetAssociation never returns null. The default implementation returns the
// primary object when an association doesn't exist. This isn't documented,
// however, so here we only verify that the formerly associated objects aren't returned.
var firstAssociation = TypeDescriptor.GetAssociation(firstAssociatedObject.GetType(), primaryObject);
Assert.NotEqual(firstAssociatedObject, firstAssociation);
var secondAssociation = TypeDescriptor.GetAssociation(secondAssociatedObject.GetType(), primaryObject);
Assert.NotEqual(secondAssociatedObject, secondAssociation);
}
public void RemoveSingleAssociation()
{
var primaryObject = new DescriptorTestComponent();
var firstAssociatedObject = new MockEventDescriptor();
var secondAssociatedObject = new MockPropertyDescriptor();
TypeDescriptor.CreateAssociation(primaryObject, firstAssociatedObject);
TypeDescriptor.CreateAssociation(primaryObject, secondAssociatedObject);
TypeDescriptor.RemoveAssociation(primaryObject, firstAssociatedObject);
// the second association should remain
var secondAssociation = TypeDescriptor.GetAssociation(secondAssociatedObject.GetType(), primaryObject);
Assert.Equal(secondAssociatedObject, secondAssociation);
// the first association should not
var firstAssociation = TypeDescriptor.GetAssociation(firstAssociatedObject.GetType(), primaryObject);
Assert.NotEqual(firstAssociatedObject, firstAssociation);
}
public void RemoveAssociationsRemovesAllAssociations()
{
var primaryObject = new DescriptorTestComponent();
var firstAssociatedObject = new MockEventDescriptor();
var secondAssociatedObject = new MockPropertyDescriptor();
TypeDescriptor.CreateAssociation(primaryObject, firstAssociatedObject);
TypeDescriptor.CreateAssociation(primaryObject, secondAssociatedObject);
TypeDescriptor.RemoveAssociations(primaryObject);
// GetAssociation never returns null. The default implementation returns the
// primary object when an association doesn't exist. This isn't documented,
// however, so here we only verify that the formerly associated objects aren't returned.
var firstAssociation = TypeDescriptor.GetAssociation(firstAssociatedObject.GetType(), primaryObject);
Assert.NotEqual(firstAssociatedObject, firstAssociation);
var secondAssociation = TypeDescriptor.GetAssociation(secondAssociatedObject.GetType(), primaryObject);
Assert.NotEqual(secondAssociatedObject, secondAssociation);
}