public void Suppliers_PutSUPPLIER_ShouldReturnStatusCode() { //Arrange //Initialize(); SUPPLIER supplier = new SUPPLIER { SUPLNO = "1", SUPLNAME = "Hp", SUPLADDR = "South Korea" }; //Act StatusCodeResult result = supplierController.PutSUPPLIER("1", supplier) as StatusCodeResult; //Assert Assert.IsNotNull(result); Assert.IsInstanceOf <StatusCodeResult>(result); Assert.AreEqual(HttpStatusCode.NoContent, result.StatusCode); }