public static double DateTimeDiff(this DateTime startDate, DateTime endDate, DateTimeDiffCompareType howToCompare)
{
double diff;
try
{
var timeSpan = new TimeSpan(endDate.Ticks - startDate.Ticks);
diff = howToCompare switch
{
DateTimeDiffCompareType.Ticks => Convert.ToDouble(timeSpan.Ticks),
DateTimeDiffCompareType.Milliseconds => Convert.ToDouble(timeSpan.TotalMilliseconds),
DateTimeDiffCompareType.Seconds => Convert.ToDouble(timeSpan.TotalSeconds),
DateTimeDiffCompareType.Minutes => Convert.ToDouble(timeSpan.TotalMinutes),
DateTimeDiffCompareType.Hours => Convert.ToDouble(timeSpan.TotalHours),
DateTimeDiffCompareType.Days => Convert.ToDouble(timeSpan.TotalDays),
DateTimeDiffCompareType.Year => Convert.ToDouble(timeSpan.TotalDays / 365),
DateTimeDiffCompareType.Quartal => Convert.ToDouble(timeSpan.TotalDays / 365 / 4),
_ => Convert.ToDouble(timeSpan.TotalDays),
};
}
catch
{
diff = -1;
}
return(diff);
}
public void DateTimeDiff(double expected, int seconds, DateTimeDiffCompareType dateTimeDiffCompareType)
{
// Arrange
var inputA = new DateTime(1970, 1, 1, 0, 0, 0);
var inputB = new DateTime(1970, 1, 1, 0, 0, seconds);
// Act
var actual = inputA.DateTimeDiff(inputB, dateTimeDiffCompareType);
// Assert
Assert.Equal(expected, actual);
}
