| public static PreviousMonth ( this startMonth ) : YearAndMonth | ||
| startMonth | this | |
| 리턴 | YearAndMonth | |
public void PreviousMonthTest()
{
for (var i = 1; i <= TimeSpec.MonthsPerYear; i++)
{
TimeTool.PreviousMonth(i).Month.Should().Be((i - 1) <= 0 ? (TimeSpec.MonthsPerYear + i - 1) : i - 1);
}
}