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chrono/src/naive/datetime/tests.rs
Paul Dicker 94ad32a40d Switch tests to timestamp_nanos_opt
2023-09-12 14:50:10 +02:00

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use super::NaiveDateTime;
use crate::duration::Duration as OldDuration;
use crate::NaiveDate;
use crate::{Datelike, FixedOffset, Utc};
#[test]
fn test_datetime_from_timestamp_millis() {
let valid_map = [
(1662921288000, "2022-09-11 18:34:48.000000000"),
(1662921288123, "2022-09-11 18:34:48.123000000"),
(1662921287890, "2022-09-11 18:34:47.890000000"),
(-2208936075000, "1900-01-01 14:38:45.000000000"),
(0, "1970-01-01 00:00:00.000000000"),
(119731017000, "1973-10-17 18:36:57.000000000"),
(1234567890000, "2009-02-13 23:31:30.000000000"),
(2034061609000, "2034-06-16 09:06:49.000000000"),
];
for (timestamp_millis, _formatted) in valid_map.iter().copied() {
let naive_datetime = NaiveDateTime::from_timestamp_millis(timestamp_millis);
assert_eq!(timestamp_millis, naive_datetime.unwrap().timestamp_millis());
#[cfg(any(feature = "alloc", feature = "std"))]
assert_eq!(naive_datetime.unwrap().format("%F %T%.9f").to_string(), _formatted);
}
let invalid = [i64::MAX, i64::MIN];
for timestamp_millis in invalid.iter().copied() {
let naive_datetime = NaiveDateTime::from_timestamp_millis(timestamp_millis);
assert!(naive_datetime.is_none());
}
// Test that the result of `from_timestamp_millis` compares equal to
// that of `from_timestamp_opt`.
let secs_test = [0, 1, 2, 1000, 1234, 12345678, -1, -2, -1000, -12345678];
for secs in secs_test.iter().cloned() {
assert_eq!(
NaiveDateTime::from_timestamp_millis(secs * 1000),
NaiveDateTime::from_timestamp_opt(secs, 0)
);
}
}
#[test]
fn test_datetime_from_timestamp_micros() {
let valid_map = [
(1662921288000000, "2022-09-11 18:34:48.000000000"),
(1662921288123456, "2022-09-11 18:34:48.123456000"),
(1662921287890000, "2022-09-11 18:34:47.890000000"),
(-2208936075000000, "1900-01-01 14:38:45.000000000"),
(0, "1970-01-01 00:00:00.000000000"),
(119731017000000, "1973-10-17 18:36:57.000000000"),
(1234567890000000, "2009-02-13 23:31:30.000000000"),
(2034061609000000, "2034-06-16 09:06:49.000000000"),
];
for (timestamp_micros, _formatted) in valid_map.iter().copied() {
let naive_datetime = NaiveDateTime::from_timestamp_micros(timestamp_micros);
assert_eq!(timestamp_micros, naive_datetime.unwrap().timestamp_micros());
#[cfg(any(feature = "alloc", feature = "std"))]
assert_eq!(naive_datetime.unwrap().format("%F %T%.9f").to_string(), _formatted);
}
let invalid = [i64::MAX, i64::MIN];
for timestamp_micros in invalid.iter().copied() {
let naive_datetime = NaiveDateTime::from_timestamp_micros(timestamp_micros);
assert!(naive_datetime.is_none());
}
// Test that the result of `from_timestamp_micros` compares equal to
// that of `from_timestamp_opt`.
let secs_test = [0, 1, 2, 1000, 1234, 12345678, -1, -2, -1000, -12345678];
for secs in secs_test.iter().copied() {
assert_eq!(
NaiveDateTime::from_timestamp_micros(secs * 1_000_000),
NaiveDateTime::from_timestamp_opt(secs, 0)
);
}
}
#[test]
fn test_datetime_from_timestamp() {
let from_timestamp = |secs| NaiveDateTime::from_timestamp_opt(secs, 0);
let ymdhms =
|y, m, d, h, n, s| NaiveDate::from_ymd_opt(y, m, d).unwrap().and_hms_opt(h, n, s).unwrap();
assert_eq!(from_timestamp(-1), Some(ymdhms(1969, 12, 31, 23, 59, 59)));
assert_eq!(from_timestamp(0), Some(ymdhms(1970, 1, 1, 0, 0, 0)));
assert_eq!(from_timestamp(1), Some(ymdhms(1970, 1, 1, 0, 0, 1)));
assert_eq!(from_timestamp(1_000_000_000), Some(ymdhms(2001, 9, 9, 1, 46, 40)));
assert_eq!(from_timestamp(0x7fffffff), Some(ymdhms(2038, 1, 19, 3, 14, 7)));
assert_eq!(from_timestamp(i64::MIN), None);
assert_eq!(from_timestamp(i64::MAX), None);
}
#[test]
fn test_datetime_add() {
fn check(
(y, m, d, h, n, s): (i32, u32, u32, u32, u32, u32),
rhs: OldDuration,
result: Option<(i32, u32, u32, u32, u32, u32)>,
) {
let lhs = NaiveDate::from_ymd_opt(y, m, d).unwrap().and_hms_opt(h, n, s).unwrap();
let sum = result.map(|(y, m, d, h, n, s)| {
NaiveDate::from_ymd_opt(y, m, d).unwrap().and_hms_opt(h, n, s).unwrap()
});
assert_eq!(lhs.checked_add_signed(rhs), sum);
assert_eq!(lhs.checked_sub_signed(-rhs), sum);
}
check((2014, 5, 6, 7, 8, 9), OldDuration::seconds(3600 + 60 + 1), Some((2014, 5, 6, 8, 9, 10)));
check(
(2014, 5, 6, 7, 8, 9),
OldDuration::seconds(-(3600 + 60 + 1)),
Some((2014, 5, 6, 6, 7, 8)),
);
check((2014, 5, 6, 7, 8, 9), OldDuration::seconds(86399), Some((2014, 5, 7, 7, 8, 8)));
check((2014, 5, 6, 7, 8, 9), OldDuration::seconds(86_400 * 10), Some((2014, 5, 16, 7, 8, 9)));
check((2014, 5, 6, 7, 8, 9), OldDuration::seconds(-86_400 * 10), Some((2014, 4, 26, 7, 8, 9)));
check((2014, 5, 6, 7, 8, 9), OldDuration::seconds(86_400 * 10), Some((2014, 5, 16, 7, 8, 9)));
// overflow check
// assumes that we have correct values for MAX/MIN_DAYS_FROM_YEAR_0 from `naive::date`.
// (they are private constants, but the equivalence is tested in that module.)
let max_days_from_year_0 =
NaiveDate::MAX.signed_duration_since(NaiveDate::from_ymd_opt(0, 1, 1).unwrap());
check((0, 1, 1, 0, 0, 0), max_days_from_year_0, Some((NaiveDate::MAX.year(), 12, 31, 0, 0, 0)));
check(
(0, 1, 1, 0, 0, 0),
max_days_from_year_0 + OldDuration::seconds(86399),
Some((NaiveDate::MAX.year(), 12, 31, 23, 59, 59)),
);
check((0, 1, 1, 0, 0, 0), max_days_from_year_0 + OldDuration::seconds(86_400), None);
check((0, 1, 1, 0, 0, 0), OldDuration::max_value(), None);
let min_days_from_year_0 =
NaiveDate::MIN.signed_duration_since(NaiveDate::from_ymd_opt(0, 1, 1).unwrap());
check((0, 1, 1, 0, 0, 0), min_days_from_year_0, Some((NaiveDate::MIN.year(), 1, 1, 0, 0, 0)));
check((0, 1, 1, 0, 0, 0), min_days_from_year_0 - OldDuration::seconds(1), None);
check((0, 1, 1, 0, 0, 0), OldDuration::min_value(), None);
}
#[test]
fn test_datetime_sub() {
let ymdhms =
|y, m, d, h, n, s| NaiveDate::from_ymd_opt(y, m, d).unwrap().and_hms_opt(h, n, s).unwrap();
let since = NaiveDateTime::signed_duration_since;
assert_eq!(
since(ymdhms(2014, 5, 6, 7, 8, 9), ymdhms(2014, 5, 6, 7, 8, 9)),
OldDuration::zero()
);
assert_eq!(
since(ymdhms(2014, 5, 6, 7, 8, 10), ymdhms(2014, 5, 6, 7, 8, 9)),
OldDuration::seconds(1)
);
assert_eq!(
since(ymdhms(2014, 5, 6, 7, 8, 9), ymdhms(2014, 5, 6, 7, 8, 10)),
OldDuration::seconds(-1)
);
assert_eq!(
since(ymdhms(2014, 5, 7, 7, 8, 9), ymdhms(2014, 5, 6, 7, 8, 10)),
OldDuration::seconds(86399)
);
assert_eq!(
since(ymdhms(2001, 9, 9, 1, 46, 39), ymdhms(1970, 1, 1, 0, 0, 0)),
OldDuration::seconds(999_999_999)
);
}
#[test]
fn test_datetime_addassignment() {
let ymdhms =
|y, m, d, h, n, s| NaiveDate::from_ymd_opt(y, m, d).unwrap().and_hms_opt(h, n, s).unwrap();
let mut date = ymdhms(2016, 10, 1, 10, 10, 10);
date += OldDuration::minutes(10_000_000);
assert_eq!(date, ymdhms(2035, 10, 6, 20, 50, 10));
date += OldDuration::days(10);
assert_eq!(date, ymdhms(2035, 10, 16, 20, 50, 10));
}
#[test]
fn test_datetime_subassignment() {
let ymdhms =
|y, m, d, h, n, s| NaiveDate::from_ymd_opt(y, m, d).unwrap().and_hms_opt(h, n, s).unwrap();
let mut date = ymdhms(2016, 10, 1, 10, 10, 10);
date -= OldDuration::minutes(10_000_000);
assert_eq!(date, ymdhms(1997, 9, 26, 23, 30, 10));
date -= OldDuration::days(10);
assert_eq!(date, ymdhms(1997, 9, 16, 23, 30, 10));
}
#[test]
fn test_core_duration_ops() {
use core::time::Duration;
let mut dt = NaiveDate::from_ymd_opt(2023, 8, 29).unwrap().and_hms_opt(11, 34, 12).unwrap();
let same = dt + Duration::ZERO;
assert_eq!(dt, same);
dt += Duration::new(3600, 0);
assert_eq!(dt, NaiveDate::from_ymd_opt(2023, 8, 29).unwrap().and_hms_opt(12, 34, 12).unwrap());
}
#[test]
#[should_panic]
fn test_core_duration_max() {
use core::time::Duration;
let mut utc_dt = NaiveDate::from_ymd_opt(2023, 8, 29).unwrap().and_hms_opt(11, 34, 12).unwrap();
utc_dt += Duration::MAX;
}
#[test]
fn test_datetime_timestamp() {
let to_timestamp = |y, m, d, h, n, s| {
NaiveDate::from_ymd_opt(y, m, d).unwrap().and_hms_opt(h, n, s).unwrap().timestamp()
};
assert_eq!(to_timestamp(1969, 12, 31, 23, 59, 59), -1);
assert_eq!(to_timestamp(1970, 1, 1, 0, 0, 0), 0);
assert_eq!(to_timestamp(1970, 1, 1, 0, 0, 1), 1);
assert_eq!(to_timestamp(2001, 9, 9, 1, 46, 40), 1_000_000_000);
assert_eq!(to_timestamp(2038, 1, 19, 3, 14, 7), 0x7fffffff);
}
#[test]
fn test_datetime_from_str() {
// valid cases
let valid = [
"2001-02-03T04:05:06",
"2012-12-12T12:12:12",
"2015-02-18T23:16:09.153",
"2015-2-18T23:16:09.153",
"-77-02-18T23:16:09",
"+82701-05-6T15:9:60.898989898989",
" +82701 - 05 - 6 T 15 : 9 : 60.898989898989 ",
];
for &s in &valid {
eprintln!("test_parse_naivedatetime valid {:?}", s);
let d = match s.parse::<NaiveDateTime>() {
Ok(d) => d,
Err(e) => panic!("parsing `{}` has failed: {}", s, e),
};
let s_ = format!("{:?}", d);
// `s` and `s_` may differ, but `s.parse()` and `s_.parse()` must be same
let d_ = match s_.parse::<NaiveDateTime>() {
Ok(d) => d,
Err(e) => {
panic!("`{}` is parsed into `{:?}`, but reparsing that has failed: {}", s, d, e)
}
};
assert!(
d == d_,
"`{}` is parsed into `{:?}`, but reparsed result \
`{:?}` does not match",
s,
d,
d_
);
}
// some invalid cases
// since `ParseErrorKind` is private, all we can do is to check if there was an error
let invalid = [
"", // empty
"x", // invalid / missing data
"15", // missing data
"15:8:9", // looks like a time (invalid date)
"15-8-9", // looks like a date (invalid)
"Fri, 09 Aug 2013 23:54:35 GMT", // valid date, wrong format
"Sat Jun 30 23:59:60 2012", // valid date, wrong format
"1441497364.649", // valid date, wrong format
"+1441497364.649", // valid date, wrong format
"+1441497364", // valid date, wrong format
"2014/02/03 04:05:06", // valid date, wrong format
"2015-15-15T15:15:15", // invalid date
"2012-12-12T12:12:12x", // bad timezone / trailing literal
"2012-12-12T12:12:12+00:00", // unexpected timezone / trailing literal
"2012-12-12T12:12:12 +00:00", // unexpected timezone / trailing literal
"2012-12-12T12:12:12 GMT", // unexpected timezone / trailing literal
"2012-123-12T12:12:12", // invalid month
"2012-12-12t12:12:12", // bad divider 't'
"2012-12-12 12:12:12", // missing divider 'T'
"2012-12-12T12:12:12Z", // trailing char 'Z'
"+ 82701-123-12T12:12:12", // strange year, invalid month
"+802701-123-12T12:12:12", // out-of-bound year, invalid month
];
for &s in &invalid {
eprintln!("test_datetime_from_str invalid {:?}", s);
assert!(s.parse::<NaiveDateTime>().is_err());
}
}
#[test]
fn test_datetime_parse_from_str() {
let ymdhms =
|y, m, d, h, n, s| NaiveDate::from_ymd_opt(y, m, d).unwrap().and_hms_opt(h, n, s).unwrap();
let ymdhmsn = |y, m, d, h, n, s, nano| {
NaiveDate::from_ymd_opt(y, m, d).unwrap().and_hms_nano_opt(h, n, s, nano).unwrap()
};
assert_eq!(
NaiveDateTime::parse_from_str("2014-5-7T12:34:56+09:30", "%Y-%m-%dT%H:%M:%S%z"),
Ok(ymdhms(2014, 5, 7, 12, 34, 56))
); // ignore offset
assert_eq!(
NaiveDateTime::parse_from_str("2015-W06-1 000000", "%G-W%V-%u%H%M%S"),
Ok(ymdhms(2015, 2, 2, 0, 0, 0))
);
assert_eq!(
NaiveDateTime::parse_from_str("Fri, 09 Aug 2013 23:54:35 GMT", "%a, %d %b %Y %H:%M:%S GMT"),
Ok(ymdhms(2013, 8, 9, 23, 54, 35))
);
assert!(NaiveDateTime::parse_from_str(
"Sat, 09 Aug 2013 23:54:35 GMT",
"%a, %d %b %Y %H:%M:%S GMT"
)
.is_err());
assert!(NaiveDateTime::parse_from_str("2014-5-7 12:3456", "%Y-%m-%d %H:%M:%S").is_err());
assert!(NaiveDateTime::parse_from_str("12:34:56", "%H:%M:%S").is_err()); // insufficient
assert_eq!(
NaiveDateTime::parse_from_str("1441497364", "%s"),
Ok(ymdhms(2015, 9, 5, 23, 56, 4))
);
assert_eq!(
NaiveDateTime::parse_from_str("1283929614.1234", "%s.%f"),
Ok(ymdhmsn(2010, 9, 8, 7, 6, 54, 1234))
);
assert_eq!(
NaiveDateTime::parse_from_str("1441497364.649", "%s%.3f"),
Ok(ymdhmsn(2015, 9, 5, 23, 56, 4, 649000000))
);
assert_eq!(
NaiveDateTime::parse_from_str("1497854303.087654", "%s%.6f"),
Ok(ymdhmsn(2017, 6, 19, 6, 38, 23, 87654000))
);
assert_eq!(
NaiveDateTime::parse_from_str("1437742189.918273645", "%s%.9f"),
Ok(ymdhmsn(2015, 7, 24, 12, 49, 49, 918273645))
);
}
#[test]
fn test_datetime_parse_from_str_with_spaces() {
let parse_from_str = NaiveDateTime::parse_from_str;
let dt = NaiveDate::from_ymd_opt(2013, 8, 9).unwrap().and_hms_opt(23, 54, 35).unwrap();
// with varying spaces - should succeed
assert_eq!(parse_from_str(" Aug 09 2013 23:54:35", " %b %d %Y %H:%M:%S"), Ok(dt));
assert_eq!(parse_from_str("Aug 09 2013 23:54:35 ", "%b %d %Y %H:%M:%S "), Ok(dt));
assert_eq!(parse_from_str(" Aug 09 2013 23:54:35 ", " %b %d %Y %H:%M:%S "), Ok(dt));
assert_eq!(parse_from_str(" Aug 09 2013 23:54:35", " %b %d %Y %H:%M:%S"), Ok(dt));
assert_eq!(parse_from_str(" Aug 09 2013 23:54:35", " %b %d %Y %H:%M:%S"), Ok(dt));
assert_eq!(parse_from_str("\n\tAug 09 2013 23:54:35 ", "\n\t%b %d %Y %H:%M:%S "), Ok(dt));
assert_eq!(parse_from_str("\tAug 09 2013 23:54:35\t", "\t%b %d %Y %H:%M:%S\t"), Ok(dt));
assert_eq!(parse_from_str("Aug 09 2013 23:54:35", "%b %d %Y %H:%M:%S"), Ok(dt));
assert_eq!(parse_from_str("Aug 09 2013 23:54:35", "%b %d %Y %H:%M:%S"), Ok(dt));
assert_eq!(parse_from_str("Aug 09 2013\t23:54:35", "%b %d %Y\t%H:%M:%S"), Ok(dt));
assert_eq!(parse_from_str("Aug 09 2013\t\t23:54:35", "%b %d %Y\t\t%H:%M:%S"), Ok(dt));
assert_eq!(parse_from_str("Aug 09 2013 23:54:35 ", "%b %d %Y %H:%M:%S\n"), Ok(dt));
assert_eq!(parse_from_str("Aug 09 2013 23:54:35", "%b %d %Y\t%H:%M:%S"), Ok(dt));
assert_eq!(parse_from_str("Aug 09 2013 23:54:35", "%b %d %Y %H:%M:%S "), Ok(dt));
assert_eq!(parse_from_str("Aug 09 2013 23:54:35", " %b %d %Y %H:%M:%S"), Ok(dt));
assert_eq!(parse_from_str("Aug 09 2013 23:54:35", "%b %d %Y %H:%M:%S\n"), Ok(dt));
// with varying spaces - should fail
// leading space in data
assert!(parse_from_str(" Aug 09 2013 23:54:35", "%b %d %Y %H:%M:%S").is_err());
// trailing space in data
assert!(parse_from_str("Aug 09 2013 23:54:35 ", "%b %d %Y %H:%M:%S").is_err());
// trailing tab in data
assert!(parse_from_str("Aug 09 2013 23:54:35\t", "%b %d %Y %H:%M:%S").is_err());
// mismatched newlines
assert!(parse_from_str("\nAug 09 2013 23:54:35", "%b %d %Y %H:%M:%S\n").is_err());
// trailing literal in data
assert!(parse_from_str("Aug 09 2013 23:54:35 !!!", "%b %d %Y %H:%M:%S ").is_err());
}
#[test]
fn test_datetime_add_sub_invariant() {
// issue #37
let base = NaiveDate::from_ymd_opt(2000, 1, 1).unwrap().and_hms_opt(0, 0, 0).unwrap();
let t = -946684799990000;
let time = base + OldDuration::microseconds(t);
assert_eq!(t, time.signed_duration_since(base).num_microseconds().unwrap());
}
#[test]
fn test_nanosecond_range() {
const A_BILLION: i64 = 1_000_000_000;
let maximum = "2262-04-11T23:47:16.854775804";
let parsed: NaiveDateTime = maximum.parse().unwrap();
let nanos = parsed.timestamp_nanos_opt().unwrap();
assert_eq!(
parsed,
NaiveDateTime::from_timestamp_opt(nanos / A_BILLION, (nanos % A_BILLION) as u32).unwrap()
);
let minimum = "1677-09-21T00:12:44.000000000";
let parsed: NaiveDateTime = minimum.parse().unwrap();
let nanos = parsed.timestamp_nanos_opt().unwrap();
assert_eq!(
parsed,
NaiveDateTime::from_timestamp_opt(nanos / A_BILLION, (nanos % A_BILLION) as u32).unwrap()
);
// Just beyond range
let maximum = "2262-04-11T23:47:16.854775804";
let parsed: NaiveDateTime = maximum.parse().unwrap();
let beyond_max = parsed + OldDuration::milliseconds(300);
assert!(beyond_max.timestamp_nanos_opt().is_none());
// Far beyond range
let maximum = "2262-04-11T23:47:16.854775804";
let parsed: NaiveDateTime = maximum.parse().unwrap();
let beyond_max = parsed + OldDuration::days(365);
assert!(beyond_max.timestamp_nanos_opt().is_none());
}
#[test]
fn test_and_local_timezone() {
let ndt = NaiveDate::from_ymd_opt(2022, 6, 15).unwrap().and_hms_opt(18, 59, 36).unwrap();
let dt_utc = ndt.and_local_timezone(Utc).unwrap();
assert_eq!(dt_utc.naive_local(), ndt);
assert_eq!(dt_utc.timezone(), Utc);
let offset_tz = FixedOffset::west_opt(4 * 3600).unwrap();
let dt_offset = ndt.and_local_timezone(offset_tz).unwrap();
assert_eq!(dt_offset.naive_local(), ndt);
assert_eq!(dt_offset.timezone(), offset_tz);
}
#[test]
fn test_and_utc() {
let ndt = NaiveDate::from_ymd_opt(2023, 1, 30).unwrap().and_hms_opt(19, 32, 33).unwrap();
let dt_utc = ndt.and_utc();
assert_eq!(dt_utc.naive_local(), ndt);
assert_eq!(dt_utc.timezone(), Utc);
}
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