darrencauthon · August 3, 2016 11:14 · Aug 3, 2016
diff --git a/example.cs b/example.cs
@@ -0,0 +1,55 @@
+void Main()
+{
+    It_should_return_the_name_from_the_person_on_the_invoice_on_the_order();
+    It_should_return_nothing_if_the_person_is_not_set();
+    It_should_return_nothing_if_the_invoice_is_not_set();
+    It_should_return_nothing_if_given_nothing();
+}
+
+public static string GetNameFrom(Order order)
+{
+    return order?.Invoice?.Person?.Name;
+}
+
+public static void It_should_return_the_name_from_the_person_on_the_invoice_on_the_order()
+{
+    var name = Guid.NewGuid().ToString();
+    var order = new Order { Invoice = new Invoice { Person = new Person { Name = name } } };
+
+    GetNameFrom(order).ShouldEqual(name);
+}
+
+public static void It_should_return_nothing_if_the_person_is_not_set()
+{
+    var order = new Order { Invoice = new Invoice { Person = null } };
+
+    GetNameFrom(order).ShouldBeNull();
+}
+
+public void It_should_return_nothing_if_the_invoice_is_not_set()
+{
+    var order = new Order { Invoice = null };
+
+    GetNameFrom(order).ShouldBeNull();
+}
+
+public void It_should_return_nothing_if_given_nothing()
+{
+    Order order = null;
+    GetNameFrom(order).ShouldBeNull();
+}
+
+public class Order
+{
+    public Invoice Invoice { get; set; }
+}
+
+public class Invoice
+{
+    public Person Person { get; set; }
+}
+
+public class Person
+{
+    public string Name { get; set; }
+}