| public AddMonths ( System.DateTime time, int months ) : System.DateTime | ||
| time | System.DateTime | |
| months | int | |
| return | System.DateTime | |
public void PosTest3()
{
System.Globalization.Calendar tbc = new ThaiBuddhistCalendar();
Random rand = new Random(-55);
int year = rand.Next(tbc.GetYear(tbc.MinSupportedDateTime), tbc.GetYear(tbc.MaxSupportedDateTime));
int month = rand.Next(1, 12);
int day;
if (IsLeapYearThaiBuddhist(year))
{
day = rand.Next(1, _DAYS_PER_MONTHS_IN_LEAP_YEAR[month] + 1);
}
else
{
day = rand.Next(1, _DAYS_PER_MONTHS_IN_NO_LEAP_YEAR[month] + 1);
}
DateTime dt = tbc.ToDateTime(year, month, day, 0, 0, 0, 0);
int addvalue = 0;
DateTime actualDT = tbc.AddMonths(dt, addvalue);
Assert.Equal(dt, actualDT);
}
private void VerificationHelper(DateTime value, int addValue)
{
System.Globalization.Calendar tbc = new ThaiBuddhistCalendar();
DateTime newDate = tbc.AddMonths(value, addValue);
int totalYear = addValue / 12;
int leftMonth = addValue % 12;
int day = value.Day;
int month = value.Month + leftMonth;
int year = value.Year + totalYear;
if (month > 12)
{
month = month % 12;
year++;
}
int dayInMonth = 0;
if (IsLeapYearGregorian(year))
{
dayInMonth = _DAYS_PER_MONTHS_IN_LEAP_YEAR[month];
}
else
{
dayInMonth = _DAYS_PER_MONTHS_IN_NO_LEAP_YEAR[month];
}
day = day > dayInMonth ? dayInMonth : day;
DateTime desiredDate = new DateTime(year, month, day, value.Hour, value.Minute, value.Second, value.Millisecond);
_errorNo++;
Assert.Equal(desiredDate.Year, newDate.Year);
Assert.Equal(desiredDate.Month, newDate.Month);
Assert.Equal(desiredDate.Day, newDate.Day);
Assert.Equal(desiredDate.Hour, newDate.Hour);
Assert.Equal(desiredDate.Minute, newDate.Minute);
Assert.Equal(desiredDate.Second, newDate.Second);
Assert.Equal(desiredDate.Millisecond, newDate.Millisecond);
}
public void NegTest2()
{
System.Globalization.Calendar tbc = new ThaiBuddhistCalendar();
DateTime dt = tbc.MinSupportedDateTime;
int addValue = _generator.GetInt32(-55);
addValue = -addValue;
Assert.Throws<ArgumentOutOfRangeException>(() =>
{
tbc.AddMonths(dt, addValue);
});
}
public void NegTest4()
{
System.Globalization.Calendar tbc = new ThaiBuddhistCalendar();
Random rand = new Random(-55);
int year = rand.Next(tbc.GetYear(tbc.MinSupportedDateTime), tbc.GetYear(tbc.MaxSupportedDateTime));
int month = rand.Next(1, 12);
int day;
if (IsLeapYearThaiBuddhist(year))
{
day = rand.Next(1, _DAYS_PER_MONTHS_IN_LEAP_YEAR[month] + 1);
}
else
{
day = rand.Next(1, _DAYS_PER_MONTHS_IN_NO_LEAP_YEAR[month] + 1);
}
DateTime dt = tbc.ToDateTime(year, month, day, 0, 0, 0, 0);
int addValue = rand.Next(120000, Int32.MaxValue);
Assert.Throws<ArgumentOutOfRangeException>(() =>
{
tbc.AddMonths(dt, addValue);
});
}
public void NegTest2()
{
System.Globalization.Calendar tbc = new ThaiBuddhistCalendar();
Random rand = new Random(-55);
int year = rand.Next(tbc.MinSupportedDateTime.Year + 543, tbc.MaxSupportedDateTime.Year + 543);
int month = rand.Next(1, 12);
int day;
if (IsLeapYear(year))
{
day = rand.Next(1, 30);
}
else
{
day = rand.Next(1, 29);
}
DateTime dt = tbc.ToDateTime(year, month, day, 0, 0, 0, 0);
int addValue = rand.Next(Int32.MinValue, tbc.MinSupportedDateTime.Year - year + 543);
Assert.Throws<ArgumentOutOfRangeException>(() =>
{
tbc.AddMonths(dt, addValue);
});
}