/**
* Returns a copy of this {@code LocalDateTime} with the time truncated.
* <p>
* Truncation returns a copy of the original date-time with fields
* smaller than the specified unit set to zero.
* For example, truncating with the {@link ChronoUnit#MINUTES minutes} unit
* will set the second-of-minute and nano-of-second field to zero.
* <p>
* The unit must have a {@linkplain TemporalUnit#getDuration() duration}
* that divides into the length of a standard day without remainder.
* This includes all supplied time units on {@link ChronoUnit} and
* {@link ChronoUnit#DAYS DAYS}. Other units throw an exception.
* <p>
* This instance is immutable and unaffected by this method call.
*
* @param TemporalUnit $unit the unit to truncate to, not null
* @return LocalDateTime a {@code LocalDateTime} based on this date-time with the time truncated, not null
* @throws DateTimeException if unable to truncate
* @throws UnsupportedTemporalTypeException if the unit is not supported
*/
public function truncatedTo(TemporalUnit $unit)
{
return $this->_with($this->date, $this->time->truncatedTo($unit));
}
/**
* @dataProvider data_truncatedToInvalid
* @expectedException \Celest\DateTimeException
*/
public function test_truncatedTo_invalid(LocalTime $input, TemporalUnit $unit)
{
$input->truncatedTo($unit);
}