public void GetAssociationReturnsDesigner()
{
var designer = new MockDesigner();
var designerHost = new MockDesignerHost();
var component = new DescriptorTestComponent();
designerHost.AddDesigner(component, designer);
component.AddService(typeof(IDesignerHost), designerHost);
object associatedObject = TypeDescriptor.GetAssociation(designer.GetType(), component);
Assert.IsType <MockDesigner>(associatedObject);
Assert.Same(designer, associatedObject);
}
public void PropertyDescriptorCanBeCreatedThatAccessesNonPublicPropertyOnAssociatedDesigner()
{
var designer = new MockDesigner();
var designerHost = new MockDesignerHost();
var component = new DescriptorTestComponent();
designerHost.AddDesigner(component, designer);
component.AddService(typeof(IDesignerHost), designerHost);
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(component);
PropertyDescriptor stringProperty = properties[nameof(DescriptorTestComponent.StringProperty)];
Assert.NotNull(stringProperty);
// Create new property that "wraps" stringProperty and redirects to the designer.
// Note that a ReadOnlyAttribute is added to ensure that we can set it
PropertyDescriptor newStringProperty = TypeDescriptor.CreateProperty(
componentType: typeof(MockDesigner),
oldPropertyDescriptor: stringProperty,
attributes: new[] { ReadOnlyAttribute.No });
// The property descriptor should be redirected to reflect over the designer.
const string PropertyValue = "Test";
Assert.False(designer.StringPropertyHasBeenSet);
newStringProperty.SetValue(component, PropertyValue);
Assert.Empty(component.StringProperty);
Assert.Equal(PropertyValue, newStringProperty.GetValue(component));
Assert.True(designer.StringPropertyHasBeenSet);
Assert.False(designer.ShouldSerializeStringPropertyCalled);
Assert.True(newStringProperty.ShouldSerializeValue(component));
Assert.True(designer.ShouldSerializeStringPropertyCalled);
Assert.False(designer.ResetStringPropertyCalled);
newStringProperty.ResetValue(component);
Assert.True(designer.ResetStringPropertyCalled);
}