public void Request_ForApiController_Throws_WhenControllerRequestIsNull()
        {
            // Arrange
            ApiController controller = CreateController();
            Assert.Null(controller.Request);
            InternalServerErrorResult result = CreateProductUnderTest(controller);

            // Act & Assert
            InvalidOperationException exception = Assert.Throws<InvalidOperationException>(() =>
                { HttpRequestMessage ignore = result.Request; }, "ApiController.Request must not be null.");
        }
        public void Request_Returns_InstanceProvided()
        {
            // Arrange
            using (HttpRequestMessage expectedRequest = CreateRequest())
            {
                InternalServerErrorResult result = CreateProductUnderTest(expectedRequest);

                // Act
                HttpRequestMessage request = result.Request;

                // Assert
                Assert.Same(expectedRequest, request);
            }
        }
        public void ApiControllerInternalServerError_CreatesCorrectResult()
        {
            // Arrange
            ApiController controller = CreateController();

            // Act
            InternalServerErrorResult result = controller.InternalServerError();

            // Assert
            Assert.NotNull(result);

            using (HttpRequestMessage expectedRequest = CreateRequest())
            {
                controller.Request = expectedRequest;
                Assert.Same(expectedRequest, result.Request);
            }
        }
        public void Request_ForApiController_EvaluatesLazily()
        {
            // Arrange
            ApiController             controller = CreateController();
            InternalServerErrorResult result     = CreateProductUnderTest(controller);

            using (HttpRequestMessage expectedRequest = CreateRequest())
            {
                controller.Request = expectedRequest;

                // Act
                HttpRequestMessage request = result.Request;

                // Assert
                Assert.Same(expectedRequest, request);
            }
        }