static void TestEffectProperties(TypeInfo effectType, IGraphicsEffect effect)
{
var properties = (from property in effectType.DeclaredProperties
where property.Name != "Name"
where property.Name != "Sources"
where property.PropertyType != typeof(IGraphicsEffectSource)
select property).ToList();
IList <object> effectProperties = new ViewIndexerAsList <object>(() => EffectAccessor.GetPropertyCount(effect),
i => EffectAccessor.GetProperty(effect, i));
FilterOutCustomizedEffectProperties(effectType.AsType(), ref properties, ref effectProperties);
// Should have the same number of strongly typed properties as elements in the properties collection.
Assert.AreEqual(properties.Count, effectProperties.Count);
// Store the initial property values.
var initialValues = effectProperties.ToList();
var whichIndexIsProperty = new List <int>();
// Changing strongly typed properties should change the properties collection.
for (int i = 0; i < effectProperties.Count; i++)
{
object testValue1 = GetArbitraryTestValue(properties[i].PropertyType, true);
object testValue2 = GetArbitraryTestValue(properties[i].PropertyType, false);
// Change a property value, and see which collection properties match the result.
properties[i].SetValue(effect, testValue1);
var matches1 = (from j in Enumerable.Range(0, effectProperties.Count)
where BoxedValuesAreEqual(effectProperties[j], Box(testValue1, properties[i]), properties[i])
select j).ToList();
// Change the same property to a different value, and see which collection properties match now.
properties[i].SetValue(effect, testValue2);
var matches2 = (from j in Enumerable.Range(0, effectProperties.Count)
where BoxedValuesAreEqual(effectProperties[j], Box(testValue2, properties[i]), properties[i])
select j).ToList();
// There should be one and only one property that matched both times. If not,
// either we don't have 1 <-> 1 mapping between strongly typed properties and
// collection indices, or something went wrong during the boxing type conversions.
var intersection = matches1.Intersect(matches2);
Assert.AreEqual(1, intersection.Count());
int whichIndexIsThis = intersection.Single();
whichIndexIsProperty.Add(whichIndexIsThis);
// Change the property value back to its initial state.
properties[i].SetValue(effect, Unbox(initialValues[whichIndexIsThis], properties[i]));
Assert.IsTrue(BoxedValuesAreEqual(initialValues[whichIndexIsThis], effectProperties[whichIndexIsThis], properties[i]));
}
// Should not have any duplicate property mappings.
Assert.AreEqual(whichIndexIsProperty.Count, whichIndexIsProperty.Distinct().Count());
}
static void TestEffectProperties(TypeInfo effectType, IGraphicsEffect effect)
{
var properties = GetEffectProperties(effectType).ToList();
IList <object> effectProperties = new ViewIndexerAsList <object>(() => EffectAccessor.GetPropertyCount(effect),
i => EffectAccessor.GetProperty(effect, i));
FilterOutCustomizedEffectProperties(effectType.AsType(), ref properties, ref effectProperties);
// Should have the same number of strongly typed properties as elements in the properties collection.
Assert.AreEqual(properties.Count, effectProperties.Count);
// Store the initial property values.
var initialValues = effectProperties.ToList();
var whichIndexIsProperty = new List <int>();
// Changing strongly typed properties should change the properties collection.
for (int i = 0; i < effectProperties.Count; i++)
{
object testValue1 = GetArbitraryTestValue(properties[i].PropertyType, true);
object testValue2 = GetArbitraryTestValue(properties[i].PropertyType, false);
// Change a property value, and see which collection properties match the result.
properties[i].SetValue(effect, testValue1);
AssertPropertyValuesAreEqual(testValue1, properties[i].GetValue(effect));
var matches1 = (from j in Enumerable.Range(0, effectProperties.Count)
where BoxedValuesAreEqual(effectProperties[j], Box(testValue1, properties[i]), properties[i])
select j).ToList();
// Change the same property to a different value, and see which collection properties match now.
properties[i].SetValue(effect, testValue2);
AssertPropertyValuesAreEqual(testValue2, properties[i].GetValue(effect));
var matches2 = (from j in Enumerable.Range(0, effectProperties.Count)
where BoxedValuesAreEqual(effectProperties[j], Box(testValue2, properties[i]), properties[i])
select j).ToList();
// There should be one and only one property that matched both times. If not,
// either we don't have 1 <-> 1 mapping between strongly typed properties and
// collection indices, or something went wrong during the boxing type conversions.
var intersection = matches1.Intersect(matches2);
Assert.AreEqual(1, intersection.Count());
int whichIndexIsThis = intersection.Single();
whichIndexIsProperty.Add(whichIndexIsThis);
// Change the property value back to its initial state.
var unboxedValue = Unbox(initialValues[whichIndexIsThis], properties[i]);
properties[i].SetValue(effect, unboxedValue);
AssertPropertyValuesAreEqual(unboxedValue, properties[i].GetValue(effect));
Assert.IsTrue(BoxedValuesAreEqual(initialValues[whichIndexIsThis], effectProperties[whichIndexIsThis], properties[i]));
// Validate that IGraphicsEffectD2D1Interop agrees with what we think the type and index of this property is.
int mappingIndex;
EffectPropertyMapping mapping;
EffectAccessor.GetNamedPropertyMapping(effect, properties[i].Name, out mappingIndex, out mapping);
int expectedMappingIndex = whichIndexIsThis;
if (effectProperties is FilteredViewOfList <object> )
{
expectedMappingIndex = ((FilteredViewOfList <object>)effectProperties).GetOriginalIndex(expectedMappingIndex);
}
Assert.AreEqual(expectedMappingIndex, mappingIndex);
var expectedMapping = GetExpectedPropertyMapping(properties[i], effectProperties[whichIndexIsThis]);
Assert.AreEqual(expectedMapping, mapping);
}
// Should not have any duplicate property mappings.
Assert.AreEqual(whichIndexIsProperty.Count, whichIndexIsProperty.Distinct().Count());
}
