public void ToDateTime_Overflow()
{
var timespec = new Timespec(long.MaxValue - 100, 0);
Assert.AreNotEqual(Timespec.InfFuture, timespec);
Assert.AreEqual(DateTime.MaxValue, timespec.ToDateTime());
Assert.AreEqual(DateTime.MinValue, new Timespec(long.MinValue + 100, 0).ToDateTime());
}
public void ToDateTime_OutOfDateTimeRange()
{
// DateTime range goes up to year 9999, 20000 years from now should
// be out of range.
long seconds = 20000L * 365L * 24L * 3600L;
var timespec = new Timespec(seconds, 0);
Assert.AreNotEqual(Timespec.InfFuture, timespec);
Assert.AreEqual(DateTime.MaxValue, timespec.ToDateTime());
Assert.AreEqual(DateTime.MinValue, new Timespec(-seconds, 0).ToDateTime());
}
public void ToDateTime_Overflow()
{
// we can only get overflow in ticks arithmetic on 64-bit
if (IntPtr.Size == 8)
{
var timespec = new Timespec(new IntPtr(long.MaxValue - 100), 0);
Assert.AreNotEqual(Timespec.InfFuture, timespec);
Assert.AreEqual(DateTime.MaxValue, timespec.ToDateTime());
Assert.AreEqual(DateTime.MinValue, new Timespec(new IntPtr(long.MinValue + 100), 0).ToDateTime());
}
else
{
Console.WriteLine("Test cannot be run on this platform, skipping the test.");
}
}
public void ToDateTime_OutOfDateTimeRange()
{
// we can only get out of range on 64-bit, on 32 bit the max
// timestamp is ~ Jan 19 2038, which is far within range of DateTime
// same case for min value.
if (IntPtr.Size == 8)
{
// DateTime range goes up to year 9999, 20000 years from now should
// be out of range.
long seconds = 20000L * 365L * 24L * 3600L;
var timespec = new Timespec(new IntPtr(seconds), 0);
Assert.AreNotEqual(Timespec.InfFuture, timespec);
Assert.AreEqual(DateTime.MaxValue, timespec.ToDateTime());
Assert.AreEqual(DateTime.MinValue, new Timespec(new IntPtr(-seconds), 0).ToDateTime());
}
else
{
Console.WriteLine("Test cannot be run on this platform, skipping the test");
}
}