public void ComplexType_reference_extensions()
{
IEdmModel edmModel = this.GetEdmModel();
IEdmComplexType derivedComplexType = edmModel.SchemaElements.OfType <IEdmComplexType>().First(c => c.BaseType != null);
IEdmComplexType baseComplexType = derivedComplexType.BaseComplexType();
Assert.IsNotNull(baseComplexType, "Base complex type should not be null!");
IEdmComplexTypeReference derivedComplexTypeRef = (IEdmComplexTypeReference)derivedComplexType.ToTypeReference();
Assert.AreEqual(baseComplexType, derivedComplexTypeRef.BaseComplexType(), "ComplexTypeReference.BaseComplexType()");
Assert.AreEqual(baseComplexType, derivedComplexTypeRef.BaseType(), "ComplexTypeReference.BaseType()");
Assert.AreEqual(derivedComplexType.IsAbstract, derivedComplexTypeRef.IsAbstract(), "StructuralTypeReference.IsAbstract()");
Assert.AreEqual(derivedComplexType.IsOpen, derivedComplexTypeRef.IsOpen(), "StructuralTypeReference.IsOpen()");
Assert.AreEqual(derivedComplexType.DeclaredStructuralProperties().Count(), derivedComplexTypeRef.DeclaredStructuralProperties().Count(), "StructuralTypeReference.DeclaredStructuralProperties()");
Assert.AreEqual(derivedComplexType.StructuralProperties().Count(), derivedComplexTypeRef.StructuralProperties().Count(), "StructuralTypeReference.StructuralProperties()");
}