public void Delete()
        {
            // Arrange
            DeviseController controller = new DeviseController();

            // Act
            IHttpActionResult result1 = controller.Delete(2);
            IHttpActionResult result2 = controller.Delete(15);

            // Assert
            Assert.IsInstanceOfType(result2, typeof(NotFoundResult));
            Assert.IsNotNull(result1);
            Assert.IsInstanceOfType(result1, typeof(OkNegotiatedContentResult <Devise>));

            var result = controller.Delete(1) as OkNegotiatedContentResult <Devise>;

            Assert.AreEqual(new Devise(1, "Dollar", 1.08), result.Content);
        }
        public void DeleteTest()
        {
            DeviseController dc = new DeviseController();
            OkNegotiatedContentResult <Devise> toDelete = (OkNegotiatedContentResult <Devise>)dc.Get(2);

            OkNegotiatedContentResult <Devise> result = (OkNegotiatedContentResult <Devise>)dc.Delete(2);

            Assert.AreEqual(result.Content, toDelete.Content);
        }