public void CompareDatesTest()
        {
            Task x = new Task();
            Task y = new Task();
            Parser target = new Parser();
            x = target.returnTask(Utility.TEST_TASK_X);
            y = target.returnTask(Utility.TEST_TASK_Y);

            int expected = 0;
            int actual;
            actual = Task.CompareDates(x, y);
            Assert.AreEqual(expected, actual);
        }
        private string mergeTask(int taskID)
        {
            Parser parseTask = new Parser();
            Task editedTask = new Task();

            if (taskID > 0 && taskID <= Storage.getTaskList().Count)
            {
                log.Warn(Utility.LOG_PARSING_BEGINS);

                appendNonExistingFields(taskID, parseTask);
                editedTask = parseTask.returnTask(userInput.TrimStart());
                mergeTaskDescription(taskID, editedTask);
                mergeTaskTag(taskID, editedTask);

                if (editedTask.setStart > editedTask.setEnd
                    || editedTask.setEnd == DateTime.MinValue
                    || editedTask.setStart == DateTime.MinValue
                    || editedTask.setEnd == DateTime.MaxValue
                    || editedTask.setStart == DateTime.MaxValue
                    || editedTask.setEnd == DateTime.Parse(Utility.INVALID_STARTDATE_ENDDATE)
                    || editedTask.setStart == DateTime.Parse(Utility.INVALID_STARTDATE_ENDDATE))
                {
                    return Utility.ERROR_INVALID_DATETIME;
                }
                else
                {
                    Storage.getTaskList()[taskID - 1] = editedTask;
                    Storage.updateStorage();
                    return Utility.STATUS_TASK_EDITED;
                }
            }
            else
            {
                return Utility.ERROR_INVALID_TASKNO;
            }
        }
        public void returnTaskTest()
        {
            Parser target = new Parser();
            string input = Utility.TEST_PARSER_TASK_ALL;
            Task parsedtask = new Task();
            parsedtask = target.returnTask(input);

            string expected=Utility.TEST_PARSER_TASK_DESCRIPTION;
            string actual=parsedtask.setTaskDescription;
            Assert.AreEqual(expected, actual);

            expected = Utility.TEST_PARSER_START;
            actual = parsedtask.setStart+" ";
            Assert.AreEqual(expected, actual);

            expected = Utility.TEST_PARSER_END;
            actual = parsedtask.setEnd + " ";
            Assert.AreEqual(expected, actual);

            expected = Utility.TEST_PARSERTAG;
            actual = parsedtask.setTag;
            Assert.AreEqual(expected, actual);
        }