public bool isDate(NextDate date)
{
bool flag = true;
if ((date.year < 1) || (date.year > 2050) || (date.month < 1) || (date.month > 12))
{
flag = false;
}
else
{
switch (date.month)
{
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
if ((date.day > 31) || (date.day < 1))
{
flag = false;
}
break;
case 4:
case 6:
case 9:
case 11:
if ((date.day > 30) || (date.day < 1))
{
flag = false;
}
break;
case 2:
if (date.isleap())
{
if ((date.day > 29) || (date.day < 1))
{
flag = false;
}
}
else if ((date.day > 28) || (date.day < 1))
{
flag = false;
}
break;
}
}
return(flag);
}
public void TestIsDate(NextDate nd, bool ex)
{
Assert.AreEqual(ex, nd.isDate(nd));
}
public void TestIsleap(NextDate nd, bool ex)
{
Assert.AreEqual(nd.isleap(), ex);
}
public static NextDate nextday(NextDate next)
{
next.nextday();
return(next);
}
