public void Format() { var TestObject = new Utilities.IO.Messaging.Default.DefaultFormatter(); var TestMessage = new Utilities.IO.EmailMessage { Body = "There are {A} items in the {B}" }; TestObject.Format(TestMessage, new TestClass { A = 2, B = "class" }); Assert.Equal("There are 2 items in the class", TestMessage.Body); TestObject.Format(TestMessage, "Testing this out"); Assert.Equal("Testing this out", TestMessage.Body); }