public void CreateComplexTypeWith_OneToMany_NavigationProperty()
{
// Arrange
ODataModelBuilder builder = new ODataModelBuilder();
builder.EntityType <Order>().HasKey(o => o.OrderId);
ComplexTypeConfiguration <Customer> customer = builder.ComplexType <Customer>();
customer.HasMany(c => c.Orders);
// Act
IEdmModel model = builder.GetEdmModel();
// Assert
IEdmEntityType orderType = Assert.Single(model.SchemaElements.OfType <IEdmEntityType>());
Assert.Equal("Microsoft.AspNet.OData.Test.Builder.TestModels.Order", orderType.FullName());
Assert.Equal("OrderId", orderType.DeclaredKey.Single().Name);
Assert.Single(orderType.DeclaredProperties);
Assert.Empty(orderType.NavigationProperties());
IEdmComplexType customerType = Assert.Single(model.SchemaElements.OfType <IEdmComplexType>());
Assert.Equal("Microsoft.AspNet.OData.Test.Builder.TestModels.Customer", customerType.FullName());
IEdmNavigationProperty navProperty = Assert.Single(customerType.NavigationProperties());
Assert.Equal(EdmMultiplicity.Many, navProperty.TargetMultiplicity());
Assert.Equal("Orders", navProperty.Name);
Assert.True(navProperty.Type.IsCollection());
Assert.Same(orderType, navProperty.Type.AsCollection().ElementType().Definition);
}