| // This is a part of Chrono. |
| // Portions copyright (c) 2015, John Nagle. |
| // See README.md and LICENSE.txt for details. |
| |
| //! Date and time parsing routines. |
| |
| use core::borrow::Borrow; |
| use core::str; |
| |
| use super::scan; |
| use super::{Fixed, InternalFixed, InternalInternal, Item, Numeric, Pad, Parsed}; |
| use super::{ParseError, ParseResult}; |
| use super::{BAD_FORMAT, INVALID, OUT_OF_RANGE, TOO_LONG, TOO_SHORT}; |
| use crate::{DateTime, FixedOffset, Weekday}; |
| |
| fn set_weekday_with_num_days_from_sunday(p: &mut Parsed, v: i64) -> ParseResult<()> { |
| p.set_weekday(match v { |
| 0 => Weekday::Sun, |
| 1 => Weekday::Mon, |
| 2 => Weekday::Tue, |
| 3 => Weekday::Wed, |
| 4 => Weekday::Thu, |
| 5 => Weekday::Fri, |
| 6 => Weekday::Sat, |
| _ => return Err(OUT_OF_RANGE), |
| }) |
| } |
| |
| fn set_weekday_with_number_from_monday(p: &mut Parsed, v: i64) -> ParseResult<()> { |
| p.set_weekday(match v { |
| 1 => Weekday::Mon, |
| 2 => Weekday::Tue, |
| 3 => Weekday::Wed, |
| 4 => Weekday::Thu, |
| 5 => Weekday::Fri, |
| 6 => Weekday::Sat, |
| 7 => Weekday::Sun, |
| _ => return Err(OUT_OF_RANGE), |
| }) |
| } |
| |
| fn parse_rfc2822<'a>(parsed: &mut Parsed, mut s: &'a str) -> ParseResult<(&'a str, ())> { |
| macro_rules! try_consume { |
| ($e:expr) => {{ |
| let (s_, v) = $e?; |
| s = s_; |
| v |
| }}; |
| } |
| |
| // an adapted RFC 2822 syntax from Section 3.3 and 4.3: |
| // |
| // c-char = <any char except '(', ')' and '\\'> |
| // c-escape = "\" <any char> |
| // comment = "(" *(comment / c-char / c-escape) ")" *S |
| // date-time = [ day-of-week "," ] date 1*S time *S *comment |
| // day-of-week = *S day-name *S |
| // day-name = "Mon" / "Tue" / "Wed" / "Thu" / "Fri" / "Sat" / "Sun" |
| // date = day month year |
| // day = *S 1*2DIGIT *S |
| // month = 1*S month-name 1*S |
| // month-name = "Jan" / "Feb" / "Mar" / "Apr" / "May" / "Jun" / |
| // "Jul" / "Aug" / "Sep" / "Oct" / "Nov" / "Dec" |
| // year = *S 2*DIGIT *S |
| // time = time-of-day 1*S zone |
| // time-of-day = hour ":" minute [ ":" second ] |
| // hour = *S 2DIGIT *S |
| // minute = *S 2DIGIT *S |
| // second = *S 2DIGIT *S |
| // zone = ( "+" / "-" ) 4DIGIT / |
| // "UT" / "GMT" / ; same as +0000 |
| // "EST" / "CST" / "MST" / "PST" / ; same as -0500 to -0800 |
| // "EDT" / "CDT" / "MDT" / "PDT" / ; same as -0400 to -0700 |
| // 1*(%d65-90 / %d97-122) ; same as -0000 |
| // |
| // some notes: |
| // |
| // - quoted characters can be in any mixture of lower and upper cases. |
| // |
| // - we do not recognize a folding white space (FWS) or comment (CFWS). |
| // for our purposes, instead, we accept any sequence of Unicode |
| // white space characters (denoted here to `S`). For comments, we accept |
| // any text within parentheses while respecting escaped parentheses. |
| // Any actual RFC 2822 parser is expected to parse FWS and/or CFWS themselves |
| // and replace it with a single SP (`%x20`); this is legitimate. |
| // |
| // - two-digit year < 50 should be interpreted by adding 2000. |
| // two-digit year >= 50 or three-digit year should be interpreted |
| // by adding 1900. note that four-or-more-digit years less than 1000 |
| // are *never* affected by this rule. |
| // |
| // - mismatching day-of-week is always an error, which is consistent to |
| // Chrono's own rules. |
| // |
| // - zones can range from `-9959` to `+9959`, but `FixedOffset` does not |
| // support offsets larger than 24 hours. this is not *that* problematic |
| // since we do not directly go to a `DateTime` so one can recover |
| // the offset information from `Parsed` anyway. |
| |
| s = s.trim_start(); |
| |
| if let Ok((s_, weekday)) = scan::short_weekday(s) { |
| if !s_.starts_with(',') { |
| return Err(INVALID); |
| } |
| s = &s_[1..]; |
| parsed.set_weekday(weekday)?; |
| } |
| |
| s = s.trim_start(); |
| parsed.set_day(try_consume!(scan::number(s, 1, 2)))?; |
| s = scan::space(s)?; // mandatory |
| parsed.set_month(1 + i64::from(try_consume!(scan::short_month0(s))))?; |
| s = scan::space(s)?; // mandatory |
| |
| // distinguish two- and three-digit years from four-digit years |
| let prevlen = s.len(); |
| let mut year = try_consume!(scan::number(s, 2, usize::MAX)); |
| let yearlen = prevlen - s.len(); |
| match (yearlen, year) { |
| (2, 0..=49) => { |
| year += 2000; |
| } // 47 -> 2047, 05 -> 2005 |
| (2, 50..=99) => { |
| year += 1900; |
| } // 79 -> 1979 |
| (3, _) => { |
| year += 1900; |
| } // 112 -> 2012, 009 -> 1909 |
| (_, _) => {} // 1987 -> 1987, 0654 -> 0654 |
| } |
| parsed.set_year(year)?; |
| |
| s = scan::space(s)?; // mandatory |
| parsed.set_hour(try_consume!(scan::number(s, 2, 2)))?; |
| s = scan::char(s.trim_start(), b':')?.trim_start(); // *S ":" *S |
| parsed.set_minute(try_consume!(scan::number(s, 2, 2)))?; |
| if let Ok(s_) = scan::char(s.trim_start(), b':') { |
| // [ ":" *S 2DIGIT ] |
| parsed.set_second(try_consume!(scan::number(s_, 2, 2)))?; |
| } |
| |
| s = scan::space(s)?; // mandatory |
| parsed.set_offset(i64::from(try_consume!(scan::timezone_offset_2822(s))))?; |
| |
| // optional comments |
| while let Ok((s_out, ())) = scan::comment_2822(s) { |
| s = s_out; |
| } |
| |
| Ok((s, ())) |
| } |
| |
| pub(crate) fn parse_rfc3339<'a>(parsed: &mut Parsed, mut s: &'a str) -> ParseResult<(&'a str, ())> { |
| macro_rules! try_consume { |
| ($e:expr) => {{ |
| let (s_, v) = $e?; |
| s = s_; |
| v |
| }}; |
| } |
| |
| // an adapted RFC 3339 syntax from Section 5.6: |
| // |
| // date-fullyear = 4DIGIT |
| // date-month = 2DIGIT ; 01-12 |
| // date-mday = 2DIGIT ; 01-28, 01-29, 01-30, 01-31 based on month/year |
| // time-hour = 2DIGIT ; 00-23 |
| // time-minute = 2DIGIT ; 00-59 |
| // time-second = 2DIGIT ; 00-58, 00-59, 00-60 based on leap second rules |
| // time-secfrac = "." 1*DIGIT |
| // time-numoffset = ("+" / "-") time-hour ":" time-minute |
| // time-offset = "Z" / time-numoffset |
| // partial-time = time-hour ":" time-minute ":" time-second [time-secfrac] |
| // full-date = date-fullyear "-" date-month "-" date-mday |
| // full-time = partial-time time-offset |
| // date-time = full-date "T" full-time |
| // |
| // some notes: |
| // |
| // - quoted characters can be in any mixture of lower and upper cases. |
| // |
| // - it may accept any number of fractional digits for seconds. |
| // for Chrono, this means that we should skip digits past first 9 digits. |
| // |
| // - unlike RFC 2822, the valid offset ranges from -23:59 to +23:59. |
| // note that this restriction is unique to RFC 3339 and not ISO 8601. |
| // since this is not a typical Chrono behavior, we check it earlier. |
| // |
| // - For readability a full-date and a full-time may be separated by a space character. |
| |
| parsed.set_year(try_consume!(scan::number(s, 4, 4)))?; |
| s = scan::char(s, b'-')?; |
| parsed.set_month(try_consume!(scan::number(s, 2, 2)))?; |
| s = scan::char(s, b'-')?; |
| parsed.set_day(try_consume!(scan::number(s, 2, 2)))?; |
| |
| s = match s.as_bytes().first() { |
| Some(&b't' | &b'T' | &b' ') => &s[1..], |
| Some(_) => return Err(INVALID), |
| None => return Err(TOO_SHORT), |
| }; |
| |
| parsed.set_hour(try_consume!(scan::number(s, 2, 2)))?; |
| s = scan::char(s, b':')?; |
| parsed.set_minute(try_consume!(scan::number(s, 2, 2)))?; |
| s = scan::char(s, b':')?; |
| parsed.set_second(try_consume!(scan::number(s, 2, 2)))?; |
| if s.starts_with('.') { |
| let nanosecond = try_consume!(scan::nanosecond(&s[1..])); |
| parsed.set_nanosecond(nanosecond)?; |
| } |
| |
| let offset = try_consume!(scan::timezone_offset(s, |s| scan::char(s, b':'), true, false, true)); |
| // This range check is similar to the one in `FixedOffset::east_opt`, so it would be redundant. |
| // But it is possible to read the offset directly from `Parsed`. We want to only successfully |
| // populate `Parsed` if the input is fully valid RFC 3339. |
| // Max for the hours field is `23`, and for the minutes field `59`. |
| const MAX_RFC3339_OFFSET: i32 = (23 * 60 + 59) * 60; |
| if !(-MAX_RFC3339_OFFSET..=MAX_RFC3339_OFFSET).contains(&offset) { |
| return Err(OUT_OF_RANGE); |
| } |
| parsed.set_offset(i64::from(offset))?; |
| |
| Ok((s, ())) |
| } |
| |
| /// Tries to parse given string into `parsed` with given formatting items. |
| /// Returns `Ok` when the entire string has been parsed (otherwise `parsed` should not be used). |
| /// There should be no trailing string after parsing; |
| /// use a stray [`Item::Space`](./enum.Item.html#variant.Space) to trim whitespaces. |
| /// |
| /// This particular date and time parser is: |
| /// |
| /// - Greedy. It will consume the longest possible prefix. |
| /// For example, `April` is always consumed entirely when the long month name is requested; |
| /// it equally accepts `Apr`, but prefers the longer prefix in this case. |
| /// |
| /// - Padding-agnostic (for numeric items). |
| /// The [`Pad`](./enum.Pad.html) field is completely ignored, |
| /// so one can prepend any number of whitespace then any number of zeroes before numbers. |
| /// |
| /// - (Still) obeying the intrinsic parsing width. This allows, for example, parsing `HHMMSS`. |
| pub fn parse<'a, I, B>(parsed: &mut Parsed, s: &str, items: I) -> ParseResult<()> |
| where |
| I: Iterator<Item = B>, |
| B: Borrow<Item<'a>>, |
| { |
| match parse_internal(parsed, s, items) { |
| Ok("") => Ok(()), |
| Ok(_) => Err(TOO_LONG), // if there are trailing chars it is an error |
| Err(e) => Err(e), |
| } |
| } |
| |
| /// Tries to parse given string into `parsed` with given formatting items. |
| /// Returns `Ok` with a slice of the unparsed remainder. |
| /// |
| /// This particular date and time parser is: |
| /// |
| /// - Greedy. It will consume the longest possible prefix. |
| /// For example, `April` is always consumed entirely when the long month name is requested; |
| /// it equally accepts `Apr`, but prefers the longer prefix in this case. |
| /// |
| /// - Padding-agnostic (for numeric items). |
| /// The [`Pad`](./enum.Pad.html) field is completely ignored, |
| /// so one can prepend any number of zeroes before numbers. |
| /// |
| /// - (Still) obeying the intrinsic parsing width. This allows, for example, parsing `HHMMSS`. |
| pub fn parse_and_remainder<'a, 'b, I, B>( |
| parsed: &mut Parsed, |
| s: &'b str, |
| items: I, |
| ) -> ParseResult<&'b str> |
| where |
| I: Iterator<Item = B>, |
| B: Borrow<Item<'a>>, |
| { |
| parse_internal(parsed, s, items) |
| } |
| |
| fn parse_internal<'a, 'b, I, B>( |
| parsed: &mut Parsed, |
| mut s: &'b str, |
| items: I, |
| ) -> Result<&'b str, ParseError> |
| where |
| I: Iterator<Item = B>, |
| B: Borrow<Item<'a>>, |
| { |
| macro_rules! try_consume { |
| ($e:expr) => {{ |
| match $e { |
| Ok((s_, v)) => { |
| s = s_; |
| v |
| } |
| Err(e) => return Err(e), |
| } |
| }}; |
| } |
| |
| for item in items { |
| match *item.borrow() { |
| Item::Literal(prefix) => { |
| if s.len() < prefix.len() { |
| return Err(TOO_SHORT); |
| } |
| if !s.starts_with(prefix) { |
| return Err(INVALID); |
| } |
| s = &s[prefix.len()..]; |
| } |
| |
| #[cfg(feature = "alloc")] |
| Item::OwnedLiteral(ref prefix) => { |
| if s.len() < prefix.len() { |
| return Err(TOO_SHORT); |
| } |
| if !s.starts_with(&prefix[..]) { |
| return Err(INVALID); |
| } |
| s = &s[prefix.len()..]; |
| } |
| |
| Item::Space(_) => { |
| s = s.trim_start(); |
| } |
| |
| #[cfg(feature = "alloc")] |
| Item::OwnedSpace(_) => { |
| s = s.trim_start(); |
| } |
| |
| Item::Numeric(ref spec, ref _pad) => { |
| use super::Numeric::*; |
| type Setter = fn(&mut Parsed, i64) -> ParseResult<()>; |
| |
| let (width, signed, set): (usize, bool, Setter) = match *spec { |
| Year => (4, true, Parsed::set_year), |
| YearDiv100 => (2, false, Parsed::set_year_div_100), |
| YearMod100 => (2, false, Parsed::set_year_mod_100), |
| IsoYear => (4, true, Parsed::set_isoyear), |
| IsoYearDiv100 => (2, false, Parsed::set_isoyear_div_100), |
| IsoYearMod100 => (2, false, Parsed::set_isoyear_mod_100), |
| Month => (2, false, Parsed::set_month), |
| Day => (2, false, Parsed::set_day), |
| WeekFromSun => (2, false, Parsed::set_week_from_sun), |
| WeekFromMon => (2, false, Parsed::set_week_from_mon), |
| IsoWeek => (2, false, Parsed::set_isoweek), |
| NumDaysFromSun => (1, false, set_weekday_with_num_days_from_sunday), |
| WeekdayFromMon => (1, false, set_weekday_with_number_from_monday), |
| Ordinal => (3, false, Parsed::set_ordinal), |
| Hour => (2, false, Parsed::set_hour), |
| Hour12 => (2, false, Parsed::set_hour12), |
| Minute => (2, false, Parsed::set_minute), |
| Second => (2, false, Parsed::set_second), |
| Nanosecond => (9, false, Parsed::set_nanosecond), |
| Timestamp => (usize::MAX, false, Parsed::set_timestamp), |
| |
| // for the future expansion |
| Internal(ref int) => match int._dummy {}, |
| }; |
| |
| s = s.trim_start(); |
| let v = if signed { |
| if s.starts_with('-') { |
| let v = try_consume!(scan::number(&s[1..], 1, usize::MAX)); |
| 0i64.checked_sub(v).ok_or(OUT_OF_RANGE)? |
| } else if s.starts_with('+') { |
| try_consume!(scan::number(&s[1..], 1, usize::MAX)) |
| } else { |
| // if there is no explicit sign, we respect the original `width` |
| try_consume!(scan::number(s, 1, width)) |
| } |
| } else { |
| try_consume!(scan::number(s, 1, width)) |
| }; |
| set(parsed, v)?; |
| } |
| |
| Item::Fixed(ref spec) => { |
| use super::Fixed::*; |
| |
| match spec { |
| &ShortMonthName => { |
| let month0 = try_consume!(scan::short_month0(s)); |
| parsed.set_month(i64::from(month0) + 1)?; |
| } |
| |
| &LongMonthName => { |
| let month0 = try_consume!(scan::short_or_long_month0(s)); |
| parsed.set_month(i64::from(month0) + 1)?; |
| } |
| |
| &ShortWeekdayName => { |
| let weekday = try_consume!(scan::short_weekday(s)); |
| parsed.set_weekday(weekday)?; |
| } |
| |
| &LongWeekdayName => { |
| let weekday = try_consume!(scan::short_or_long_weekday(s)); |
| parsed.set_weekday(weekday)?; |
| } |
| |
| &LowerAmPm | &UpperAmPm => { |
| if s.len() < 2 { |
| return Err(TOO_SHORT); |
| } |
| let ampm = match (s.as_bytes()[0] | 32, s.as_bytes()[1] | 32) { |
| (b'a', b'm') => false, |
| (b'p', b'm') => true, |
| _ => return Err(INVALID), |
| }; |
| parsed.set_ampm(ampm)?; |
| s = &s[2..]; |
| } |
| |
| &Nanosecond | &Nanosecond3 | &Nanosecond6 | &Nanosecond9 => { |
| if s.starts_with('.') { |
| let nano = try_consume!(scan::nanosecond(&s[1..])); |
| parsed.set_nanosecond(nano)?; |
| } |
| } |
| |
| &Internal(InternalFixed { val: InternalInternal::Nanosecond3NoDot }) => { |
| if s.len() < 3 { |
| return Err(TOO_SHORT); |
| } |
| let nano = try_consume!(scan::nanosecond_fixed(s, 3)); |
| parsed.set_nanosecond(nano)?; |
| } |
| |
| &Internal(InternalFixed { val: InternalInternal::Nanosecond6NoDot }) => { |
| if s.len() < 6 { |
| return Err(TOO_SHORT); |
| } |
| let nano = try_consume!(scan::nanosecond_fixed(s, 6)); |
| parsed.set_nanosecond(nano)?; |
| } |
| |
| &Internal(InternalFixed { val: InternalInternal::Nanosecond9NoDot }) => { |
| if s.len() < 9 { |
| return Err(TOO_SHORT); |
| } |
| let nano = try_consume!(scan::nanosecond_fixed(s, 9)); |
| parsed.set_nanosecond(nano)?; |
| } |
| |
| &TimezoneName => { |
| try_consume!(Ok((s.trim_start_matches(|c: char| !c.is_whitespace()), ()))); |
| } |
| |
| &TimezoneOffsetColon |
| | &TimezoneOffsetDoubleColon |
| | &TimezoneOffsetTripleColon |
| | &TimezoneOffset => { |
| let offset = try_consume!(scan::timezone_offset( |
| s.trim_start(), |
| scan::colon_or_space, |
| false, |
| false, |
| true, |
| )); |
| parsed.set_offset(i64::from(offset))?; |
| } |
| |
| &TimezoneOffsetColonZ | &TimezoneOffsetZ => { |
| let offset = try_consume!(scan::timezone_offset( |
| s.trim_start(), |
| scan::colon_or_space, |
| true, |
| false, |
| true, |
| )); |
| parsed.set_offset(i64::from(offset))?; |
| } |
| &Internal(InternalFixed { |
| val: InternalInternal::TimezoneOffsetPermissive, |
| }) => { |
| let offset = try_consume!(scan::timezone_offset( |
| s.trim_start(), |
| scan::colon_or_space, |
| true, |
| true, |
| true, |
| )); |
| parsed.set_offset(i64::from(offset))?; |
| } |
| |
| &RFC2822 => try_consume!(parse_rfc2822(parsed, s)), |
| &RFC3339 => { |
| // Used for the `%+` specifier, which has the description: |
| // "Same as `%Y-%m-%dT%H:%M:%S%.f%:z` (...) |
| // This format also supports having a `Z` or `UTC` in place of `%:z`." |
| // Use the relaxed parser to match this description. |
| try_consume!(parse_rfc3339_relaxed(parsed, s)) |
| } |
| } |
| } |
| |
| Item::Error => { |
| return Err(BAD_FORMAT); |
| } |
| } |
| } |
| Ok(s) |
| } |
| |
| /// Accepts a relaxed form of RFC3339. |
| /// A space or a 'T' are accepted as the separator between the date and time |
| /// parts. Additional spaces are allowed between each component. |
| /// |
| /// All of these examples are equivalent: |
| /// ``` |
| /// # use chrono::{DateTime, offset::FixedOffset}; |
| /// "2012-12-12T12:12:12Z".parse::<DateTime<FixedOffset>>()?; |
| /// "2012-12-12 12:12:12Z".parse::<DateTime<FixedOffset>>()?; |
| /// "2012- 12-12T12: 12:12Z".parse::<DateTime<FixedOffset>>()?; |
| /// # Ok::<(), chrono::ParseError>(()) |
| /// ``` |
| impl str::FromStr for DateTime<FixedOffset> { |
| type Err = ParseError; |
| |
| fn from_str(s: &str) -> ParseResult<DateTime<FixedOffset>> { |
| let mut parsed = Parsed::new(); |
| let (s, _) = parse_rfc3339_relaxed(&mut parsed, s)?; |
| if !s.trim_start().is_empty() { |
| return Err(TOO_LONG); |
| } |
| parsed.to_datetime() |
| } |
| } |
| |
| /// Accepts a relaxed form of RFC3339. |
| /// |
| /// Differences with RFC3339: |
| /// - Values don't require padding to two digits. |
| /// - Years outside the range 0...=9999 are accepted, but they must include a sign. |
| /// - `UTC` is accepted as a valid timezone name/offset (for compatibility with the debug format of |
| /// `DateTime<Utc>`. |
| /// - There can be spaces between any of the components. |
| /// - The colon in the offset may be missing. |
| fn parse_rfc3339_relaxed<'a>(parsed: &mut Parsed, mut s: &'a str) -> ParseResult<(&'a str, ())> { |
| const DATE_ITEMS: &[Item<'static>] = &[ |
| Item::Numeric(Numeric::Year, Pad::Zero), |
| Item::Space(""), |
| Item::Literal("-"), |
| Item::Numeric(Numeric::Month, Pad::Zero), |
| Item::Space(""), |
| Item::Literal("-"), |
| Item::Numeric(Numeric::Day, Pad::Zero), |
| ]; |
| const TIME_ITEMS: &[Item<'static>] = &[ |
| Item::Numeric(Numeric::Hour, Pad::Zero), |
| Item::Space(""), |
| Item::Literal(":"), |
| Item::Numeric(Numeric::Minute, Pad::Zero), |
| Item::Space(""), |
| Item::Literal(":"), |
| Item::Numeric(Numeric::Second, Pad::Zero), |
| Item::Fixed(Fixed::Nanosecond), |
| Item::Space(""), |
| ]; |
| |
| s = parse_internal(parsed, s, DATE_ITEMS.iter())?; |
| |
| s = match s.as_bytes().first() { |
| Some(&b't' | &b'T' | &b' ') => &s[1..], |
| Some(_) => return Err(INVALID), |
| None => return Err(TOO_SHORT), |
| }; |
| |
| s = parse_internal(parsed, s, TIME_ITEMS.iter())?; |
| s = s.trim_start(); |
| let (s, offset) = if s.len() >= 3 && "UTC".as_bytes().eq_ignore_ascii_case(&s.as_bytes()[..3]) { |
| (&s[3..], 0) |
| } else { |
| scan::timezone_offset(s, scan::colon_or_space, true, false, true)? |
| }; |
| parsed.set_offset(i64::from(offset))?; |
| Ok((s, ())) |
| } |
| |
| #[cfg(test)] |
| mod tests { |
| use crate::format::*; |
| use crate::{DateTime, FixedOffset, NaiveDateTime, TimeZone, Timelike, Utc}; |
| |
| macro_rules! parsed { |
| ($($k:ident: $v:expr),*) => (#[allow(unused_mut)] { |
| let mut expected = Parsed::new(); |
| $(expected.$k = Some($v);)* |
| Ok(expected) |
| }); |
| } |
| |
| #[test] |
| fn test_parse_whitespace_and_literal() { |
| use crate::format::Item::{Literal, Space}; |
| |
| // empty string |
| parses("", &[]); |
| check(" ", &[], Err(TOO_LONG)); |
| check("a", &[], Err(TOO_LONG)); |
| check("abc", &[], Err(TOO_LONG)); |
| check("🤠", &[], Err(TOO_LONG)); |
| |
| // whitespaces |
| parses("", &[Space("")]); |
| parses(" ", &[Space(" ")]); |
| parses(" ", &[Space(" ")]); |
| parses(" ", &[Space(" ")]); |
| parses(" ", &[Space("")]); |
| parses(" ", &[Space(" ")]); |
| parses(" ", &[Space(" ")]); |
| parses(" ", &[Space(" ")]); |
| parses("", &[Space(" ")]); |
| parses(" ", &[Space(" ")]); |
| parses(" ", &[Space(" ")]); |
| parses(" ", &[Space(" "), Space(" ")]); |
| parses(" ", &[Space(" "), Space(" ")]); |
| parses(" ", &[Space(" "), Space(" ")]); |
| parses(" ", &[Space(" "), Space(" ")]); |
| parses(" ", &[Space(" "), Space(" ")]); |
| parses(" ", &[Space(" "), Space(" "), Space(" ")]); |
| parses("\t", &[Space("")]); |
| parses(" \n\r \n", &[Space("")]); |
| parses("\t", &[Space("\t")]); |
| parses("\t", &[Space(" ")]); |
| parses(" ", &[Space("\t")]); |
| parses("\t\r", &[Space("\t\r")]); |
| parses("\t\r ", &[Space("\t\r ")]); |
| parses("\t \r", &[Space("\t \r")]); |
| parses(" \t\r", &[Space(" \t\r")]); |
| parses(" \n\r \n", &[Space(" \n\r \n")]); |
| parses(" \t\n", &[Space(" \t")]); |
| parses(" \n\t", &[Space(" \t\n")]); |
| parses("\u{2002}", &[Space("\u{2002}")]); |
| // most unicode whitespace characters |
| parses( |
| "\u{00A0}\u{1680}\u{2000}\u{2001}\u{2002}\u{2003}\u{2004}\u{2005}\u{2006}\u{2007}\u{2008}\u{2009}\u{3000}", |
| &[Space("\u{00A0}\u{1680}\u{2000}\u{2001}\u{2002}\u{2003}\u{2004}\u{2005}\u{2006}\u{2007}\u{2008}\u{2009}\u{3000}")] |
| ); |
| // most unicode whitespace characters |
| parses( |
| "\u{00A0}\u{1680}\u{2000}\u{2001}\u{2002}\u{2003}\u{2004}\u{2005}\u{2006}\u{2007}\u{2008}\u{2009}\u{3000}", |
| &[ |
| Space("\u{00A0}\u{1680}\u{2000}\u{2001}\u{2002}\u{2003}\u{2004}"), |
| Space("\u{2005}\u{2006}\u{2007}\u{2008}\u{2009}\u{3000}") |
| ] |
| ); |
| check("a", &[Space("")], Err(TOO_LONG)); |
| check("a", &[Space(" ")], Err(TOO_LONG)); |
| // a Space containing a literal does not match a literal |
| check("a", &[Space("a")], Err(TOO_LONG)); |
| check("abc", &[Space("")], Err(TOO_LONG)); |
| check("abc", &[Space(" ")], Err(TOO_LONG)); |
| check(" abc", &[Space("")], Err(TOO_LONG)); |
| check(" abc", &[Space(" ")], Err(TOO_LONG)); |
| |
| // `\u{0363}` is combining diacritic mark "COMBINING LATIN SMALL LETTER A" |
| |
| // literal |
| parses("", &[Literal("")]); |
| check("", &[Literal("a")], Err(TOO_SHORT)); |
| check(" ", &[Literal("a")], Err(INVALID)); |
| parses("a", &[Literal("a")]); |
| parses("+", &[Literal("+")]); |
| parses("-", &[Literal("-")]); |
| parses("−", &[Literal("−")]); // MINUS SIGN (U+2212) |
| parses(" ", &[Literal(" ")]); // a Literal may contain whitespace and match whitespace |
| check("aa", &[Literal("a")], Err(TOO_LONG)); |
| check("🤠", &[Literal("a")], Err(INVALID)); |
| check("A", &[Literal("a")], Err(INVALID)); |
| check("a", &[Literal("z")], Err(INVALID)); |
| check("a", &[Literal("🤠")], Err(TOO_SHORT)); |
| check("a", &[Literal("\u{0363}a")], Err(TOO_SHORT)); |
| check("\u{0363}a", &[Literal("a")], Err(INVALID)); |
| parses("\u{0363}a", &[Literal("\u{0363}a")]); |
| check("a", &[Literal("ab")], Err(TOO_SHORT)); |
| parses("xy", &[Literal("xy")]); |
| parses("xy", &[Literal("x"), Literal("y")]); |
| parses("1", &[Literal("1")]); |
| parses("1234", &[Literal("1234")]); |
| parses("+1234", &[Literal("+1234")]); |
| parses("-1234", &[Literal("-1234")]); |
| parses("−1234", &[Literal("−1234")]); // MINUS SIGN (U+2212) |
| parses("PST", &[Literal("PST")]); |
| parses("🤠", &[Literal("🤠")]); |
| parses("🤠a", &[Literal("🤠"), Literal("a")]); |
| parses("🤠a🤠", &[Literal("🤠"), Literal("a🤠")]); |
| parses("a🤠b", &[Literal("a"), Literal("🤠"), Literal("b")]); |
| // literals can be together |
| parses("xy", &[Literal("xy")]); |
| parses("xyz", &[Literal("xyz")]); |
| // or literals can be apart |
| parses("xy", &[Literal("x"), Literal("y")]); |
| parses("xyz", &[Literal("x"), Literal("yz")]); |
| parses("xyz", &[Literal("xy"), Literal("z")]); |
| parses("xyz", &[Literal("x"), Literal("y"), Literal("z")]); |
| // |
| check("x y", &[Literal("x"), Literal("y")], Err(INVALID)); |
| parses("xy", &[Literal("x"), Space(""), Literal("y")]); |
| parses("x y", &[Literal("x"), Space(""), Literal("y")]); |
| parses("x y", &[Literal("x"), Space(" "), Literal("y")]); |
| |
| // whitespaces + literals |
| parses("a\n", &[Literal("a"), Space("\n")]); |
| parses("\tab\n", &[Space("\t"), Literal("ab"), Space("\n")]); |
| parses( |
| "ab\tcd\ne", |
| &[Literal("ab"), Space("\t"), Literal("cd"), Space("\n"), Literal("e")], |
| ); |
| parses( |
| "+1ab\tcd\r\n+,.", |
| &[Literal("+1ab"), Space("\t"), Literal("cd"), Space("\r\n"), Literal("+,.")], |
| ); |
| // whitespace and literals can be intermixed |
| parses("a\tb", &[Literal("a\tb")]); |
| parses("a\tb", &[Literal("a"), Space("\t"), Literal("b")]); |
| } |
| |
| #[test] |
| fn test_parse_numeric() { |
| use crate::format::Item::{Literal, Space}; |
| use crate::format::Numeric::*; |
| |
| // numeric |
| check("1987", &[num(Year)], parsed!(year: 1987)); |
| check("1987 ", &[num(Year)], Err(TOO_LONG)); |
| check("0x12", &[num(Year)], Err(TOO_LONG)); // `0` is parsed |
| check("x123", &[num(Year)], Err(INVALID)); |
| check("o123", &[num(Year)], Err(INVALID)); |
| check("2015", &[num(Year)], parsed!(year: 2015)); |
| check("0000", &[num(Year)], parsed!(year: 0)); |
| check("9999", &[num(Year)], parsed!(year: 9999)); |
| check(" \t987", &[num(Year)], parsed!(year: 987)); |
| check(" \t987", &[Space(" \t"), num(Year)], parsed!(year: 987)); |
| check(" \t987🤠", &[Space(" \t"), num(Year), Literal("🤠")], parsed!(year: 987)); |
| check("987🤠", &[num(Year), Literal("🤠")], parsed!(year: 987)); |
| check("5", &[num(Year)], parsed!(year: 5)); |
| check("5\0", &[num(Year)], Err(TOO_LONG)); |
| check("\x005", &[num(Year)], Err(INVALID)); |
| check("", &[num(Year)], Err(TOO_SHORT)); |
| check("12345", &[num(Year), Literal("5")], parsed!(year: 1234)); |
| check("12345", &[nums(Year), Literal("5")], parsed!(year: 1234)); |
| check("12345", &[num0(Year), Literal("5")], parsed!(year: 1234)); |
| check("12341234", &[num(Year), num(Year)], parsed!(year: 1234)); |
| check("1234 1234", &[num(Year), num(Year)], parsed!(year: 1234)); |
| check("1234 1234", &[num(Year), Space(" "), num(Year)], parsed!(year: 1234)); |
| check("1234 1235", &[num(Year), num(Year)], Err(IMPOSSIBLE)); |
| check("1234 1234", &[num(Year), Literal("x"), num(Year)], Err(INVALID)); |
| check("1234x1234", &[num(Year), Literal("x"), num(Year)], parsed!(year: 1234)); |
| check("1234 x 1234", &[num(Year), Literal("x"), num(Year)], Err(INVALID)); |
| check("1234xx1234", &[num(Year), Literal("x"), num(Year)], Err(INVALID)); |
| check("1234xx1234", &[num(Year), Literal("xx"), num(Year)], parsed!(year: 1234)); |
| check( |
| "1234 x 1234", |
| &[num(Year), Space(" "), Literal("x"), Space(" "), num(Year)], |
| parsed!(year: 1234), |
| ); |
| check( |
| "1234 x 1235", |
| &[num(Year), Space(" "), Literal("x"), Space(" "), Literal("1235")], |
| parsed!(year: 1234), |
| ); |
| |
| // signed numeric |
| check("-42", &[num(Year)], parsed!(year: -42)); |
| check("+42", &[num(Year)], parsed!(year: 42)); |
| check("-0042", &[num(Year)], parsed!(year: -42)); |
| check("+0042", &[num(Year)], parsed!(year: 42)); |
| check("-42195", &[num(Year)], parsed!(year: -42195)); |
| check("−42195", &[num(Year)], Err(INVALID)); // MINUS SIGN (U+2212) |
| check("+42195", &[num(Year)], parsed!(year: 42195)); |
| check(" -42195", &[num(Year)], parsed!(year: -42195)); |
| check(" +42195", &[num(Year)], parsed!(year: 42195)); |
| check(" -42195", &[num(Year)], parsed!(year: -42195)); |
| check(" +42195", &[num(Year)], parsed!(year: 42195)); |
| check("-42195 ", &[num(Year)], Err(TOO_LONG)); |
| check("+42195 ", &[num(Year)], Err(TOO_LONG)); |
| check(" - 42", &[num(Year)], Err(INVALID)); |
| check(" + 42", &[num(Year)], Err(INVALID)); |
| check(" -42195", &[Space(" "), num(Year)], parsed!(year: -42195)); |
| check(" −42195", &[Space(" "), num(Year)], Err(INVALID)); // MINUS SIGN (U+2212) |
| check(" +42195", &[Space(" "), num(Year)], parsed!(year: 42195)); |
| check(" - 42", &[Space(" "), num(Year)], Err(INVALID)); |
| check(" + 42", &[Space(" "), num(Year)], Err(INVALID)); |
| check("-", &[num(Year)], Err(TOO_SHORT)); |
| check("+", &[num(Year)], Err(TOO_SHORT)); |
| |
| // unsigned numeric |
| check("345", &[num(Ordinal)], parsed!(ordinal: 345)); |
| check("+345", &[num(Ordinal)], Err(INVALID)); |
| check("-345", &[num(Ordinal)], Err(INVALID)); |
| check(" 345", &[num(Ordinal)], parsed!(ordinal: 345)); |
| check("−345", &[num(Ordinal)], Err(INVALID)); // MINUS SIGN (U+2212) |
| check("345 ", &[num(Ordinal)], Err(TOO_LONG)); |
| check(" 345", &[Space(" "), num(Ordinal)], parsed!(ordinal: 345)); |
| check("345 ", &[num(Ordinal), Space(" ")], parsed!(ordinal: 345)); |
| check("345🤠 ", &[num(Ordinal), Literal("🤠"), Space(" ")], parsed!(ordinal: 345)); |
| check("345🤠", &[num(Ordinal)], Err(TOO_LONG)); |
| check("\u{0363}345", &[num(Ordinal)], Err(INVALID)); |
| check(" +345", &[num(Ordinal)], Err(INVALID)); |
| check(" -345", &[num(Ordinal)], Err(INVALID)); |
| check("\t345", &[Space("\t"), num(Ordinal)], parsed!(ordinal: 345)); |
| check(" +345", &[Space(" "), num(Ordinal)], Err(INVALID)); |
| check(" -345", &[Space(" "), num(Ordinal)], Err(INVALID)); |
| |
| // various numeric fields |
| check("1234 5678", &[num(Year), num(IsoYear)], parsed!(year: 1234, isoyear: 5678)); |
| check("1234 5678", &[num(Year), num(IsoYear)], parsed!(year: 1234, isoyear: 5678)); |
| check( |
| "12 34 56 78", |
| &[num(YearDiv100), num(YearMod100), num(IsoYearDiv100), num(IsoYearMod100)], |
| parsed!(year_div_100: 12, year_mod_100: 34, isoyear_div_100: 56, isoyear_mod_100: 78), |
| ); |
| check( |
| "1 2 3 4 5", |
| &[num(Month), num(Day), num(WeekFromSun), num(NumDaysFromSun), num(IsoWeek)], |
| parsed!(month: 1, day: 2, week_from_sun: 3, weekday: Weekday::Thu, isoweek: 5), |
| ); |
| check( |
| "6 7 89 01", |
| &[num(WeekFromMon), num(WeekdayFromMon), num(Ordinal), num(Hour12)], |
| parsed!(week_from_mon: 6, weekday: Weekday::Sun, ordinal: 89, hour_mod_12: 1), |
| ); |
| check( |
| "23 45 6 78901234 567890123", |
| &[num(Hour), num(Minute), num(Second), num(Nanosecond), num(Timestamp)], |
| parsed!(hour_div_12: 1, hour_mod_12: 11, minute: 45, second: 6, nanosecond: 78_901_234, timestamp: 567_890_123), |
| ); |
| } |
| |
| #[test] |
| fn test_parse_fixed() { |
| use crate::format::Fixed::*; |
| use crate::format::Item::{Literal, Space}; |
| |
| // fixed: month and weekday names |
| check("apr", &[fixed(ShortMonthName)], parsed!(month: 4)); |
| check("Apr", &[fixed(ShortMonthName)], parsed!(month: 4)); |
| check("APR", &[fixed(ShortMonthName)], parsed!(month: 4)); |
| check("ApR", &[fixed(ShortMonthName)], parsed!(month: 4)); |
| check("\u{0363}APR", &[fixed(ShortMonthName)], Err(INVALID)); |
| check("April", &[fixed(ShortMonthName)], Err(TOO_LONG)); // `Apr` is parsed |
| check("A", &[fixed(ShortMonthName)], Err(TOO_SHORT)); |
| check("Sol", &[fixed(ShortMonthName)], Err(INVALID)); |
| check("Apr", &[fixed(LongMonthName)], parsed!(month: 4)); |
| check("Apri", &[fixed(LongMonthName)], Err(TOO_LONG)); // `Apr` is parsed |
| check("April", &[fixed(LongMonthName)], parsed!(month: 4)); |
| check("Aprill", &[fixed(LongMonthName)], Err(TOO_LONG)); |
| check("Aprill", &[fixed(LongMonthName), Literal("l")], parsed!(month: 4)); |
| check("Aprl", &[fixed(LongMonthName), Literal("l")], parsed!(month: 4)); |
| check("April", &[fixed(LongMonthName), Literal("il")], Err(TOO_SHORT)); // do not backtrack |
| check("thu", &[fixed(ShortWeekdayName)], parsed!(weekday: Weekday::Thu)); |
| check("Thu", &[fixed(ShortWeekdayName)], parsed!(weekday: Weekday::Thu)); |
| check("THU", &[fixed(ShortWeekdayName)], parsed!(weekday: Weekday::Thu)); |
| check("tHu", &[fixed(ShortWeekdayName)], parsed!(weekday: Weekday::Thu)); |
| check("Thursday", &[fixed(ShortWeekdayName)], Err(TOO_LONG)); // `Thu` is parsed |
| check("T", &[fixed(ShortWeekdayName)], Err(TOO_SHORT)); |
| check("The", &[fixed(ShortWeekdayName)], Err(INVALID)); |
| check("Nop", &[fixed(ShortWeekdayName)], Err(INVALID)); |
| check("Thu", &[fixed(LongWeekdayName)], parsed!(weekday: Weekday::Thu)); |
| check("Thur", &[fixed(LongWeekdayName)], Err(TOO_LONG)); // `Thu` is parsed |
| check("Thurs", &[fixed(LongWeekdayName)], Err(TOO_LONG)); // `Thu` is parsed |
| check("Thursday", &[fixed(LongWeekdayName)], parsed!(weekday: Weekday::Thu)); |
| check("Thursdays", &[fixed(LongWeekdayName)], Err(TOO_LONG)); |
| check("Thursdays", &[fixed(LongWeekdayName), Literal("s")], parsed!(weekday: Weekday::Thu)); |
| check("Thus", &[fixed(LongWeekdayName), Literal("s")], parsed!(weekday: Weekday::Thu)); |
| check("Thursday", &[fixed(LongWeekdayName), Literal("rsday")], Err(TOO_SHORT)); // do not backtrack |
| |
| // fixed: am/pm |
| check("am", &[fixed(LowerAmPm)], parsed!(hour_div_12: 0)); |
| check("pm", &[fixed(LowerAmPm)], parsed!(hour_div_12: 1)); |
| check("AM", &[fixed(LowerAmPm)], parsed!(hour_div_12: 0)); |
| check("PM", &[fixed(LowerAmPm)], parsed!(hour_div_12: 1)); |
| check("am", &[fixed(UpperAmPm)], parsed!(hour_div_12: 0)); |
| check("pm", &[fixed(UpperAmPm)], parsed!(hour_div_12: 1)); |
| check("AM", &[fixed(UpperAmPm)], parsed!(hour_div_12: 0)); |
| check("PM", &[fixed(UpperAmPm)], parsed!(hour_div_12: 1)); |
| check("Am", &[fixed(LowerAmPm)], parsed!(hour_div_12: 0)); |
| check(" Am", &[Space(" "), fixed(LowerAmPm)], parsed!(hour_div_12: 0)); |
| check("Am🤠", &[fixed(LowerAmPm), Literal("🤠")], parsed!(hour_div_12: 0)); |
| check("🤠Am", &[Literal("🤠"), fixed(LowerAmPm)], parsed!(hour_div_12: 0)); |
| check("\u{0363}am", &[fixed(LowerAmPm)], Err(INVALID)); |
| check("\u{0360}am", &[fixed(LowerAmPm)], Err(INVALID)); |
| check(" Am", &[fixed(LowerAmPm)], Err(INVALID)); |
| check("Am ", &[fixed(LowerAmPm)], Err(TOO_LONG)); |
| check("a.m.", &[fixed(LowerAmPm)], Err(INVALID)); |
| check("A.M.", &[fixed(LowerAmPm)], Err(INVALID)); |
| check("ame", &[fixed(LowerAmPm)], Err(TOO_LONG)); // `am` is parsed |
| check("a", &[fixed(LowerAmPm)], Err(TOO_SHORT)); |
| check("p", &[fixed(LowerAmPm)], Err(TOO_SHORT)); |
| check("x", &[fixed(LowerAmPm)], Err(TOO_SHORT)); |
| check("xx", &[fixed(LowerAmPm)], Err(INVALID)); |
| check("", &[fixed(LowerAmPm)], Err(TOO_SHORT)); |
| } |
| |
| #[test] |
| fn test_parse_fixed_nanosecond() { |
| use crate::format::Fixed::Nanosecond; |
| use crate::format::InternalInternal::*; |
| use crate::format::Item::Literal; |
| use crate::format::Numeric::Second; |
| |
| // fixed: dot plus nanoseconds |
| check("", &[fixed(Nanosecond)], parsed!()); // no field set, but not an error |
| check(".", &[fixed(Nanosecond)], Err(TOO_SHORT)); |
| check("4", &[fixed(Nanosecond)], Err(TOO_LONG)); // never consumes `4` |
| check("4", &[fixed(Nanosecond), num(Second)], parsed!(second: 4)); |
| check(".0", &[fixed(Nanosecond)], parsed!(nanosecond: 0)); |
| check(".4", &[fixed(Nanosecond)], parsed!(nanosecond: 400_000_000)); |
| check(".42", &[fixed(Nanosecond)], parsed!(nanosecond: 420_000_000)); |
| check(".421", &[fixed(Nanosecond)], parsed!(nanosecond: 421_000_000)); |
| check(".42195", &[fixed(Nanosecond)], parsed!(nanosecond: 421_950_000)); |
| check(".421951", &[fixed(Nanosecond)], parsed!(nanosecond: 421_951_000)); |
| check(".4219512", &[fixed(Nanosecond)], parsed!(nanosecond: 421_951_200)); |
| check(".42195123", &[fixed(Nanosecond)], parsed!(nanosecond: 421_951_230)); |
| check(".421950803", &[fixed(Nanosecond)], parsed!(nanosecond: 421_950_803)); |
| check(".4219508035", &[fixed(Nanosecond)], parsed!(nanosecond: 421_950_803)); |
| check(".42195080354", &[fixed(Nanosecond)], parsed!(nanosecond: 421_950_803)); |
| check(".421950803547", &[fixed(Nanosecond)], parsed!(nanosecond: 421_950_803)); |
| check(".000000003", &[fixed(Nanosecond)], parsed!(nanosecond: 3)); |
| check(".0000000031", &[fixed(Nanosecond)], parsed!(nanosecond: 3)); |
| check(".0000000035", &[fixed(Nanosecond)], parsed!(nanosecond: 3)); |
| check(".000000003547", &[fixed(Nanosecond)], parsed!(nanosecond: 3)); |
| check(".0000000009", &[fixed(Nanosecond)], parsed!(nanosecond: 0)); |
| check(".000000000547", &[fixed(Nanosecond)], parsed!(nanosecond: 0)); |
| check(".0000000009999999999999999999999999", &[fixed(Nanosecond)], parsed!(nanosecond: 0)); |
| check(".4🤠", &[fixed(Nanosecond), Literal("🤠")], parsed!(nanosecond: 400_000_000)); |
| check(".4x", &[fixed(Nanosecond)], Err(TOO_LONG)); |
| check(". 4", &[fixed(Nanosecond)], Err(INVALID)); |
| check(" .4", &[fixed(Nanosecond)], Err(TOO_LONG)); // no automatic trimming |
| |
| // fixed: nanoseconds without the dot |
| check("", &[internal_fixed(Nanosecond3NoDot)], Err(TOO_SHORT)); |
| check(".", &[internal_fixed(Nanosecond3NoDot)], Err(TOO_SHORT)); |
| check("0", &[internal_fixed(Nanosecond3NoDot)], Err(TOO_SHORT)); |
| check("4", &[internal_fixed(Nanosecond3NoDot)], Err(TOO_SHORT)); |
| check("42", &[internal_fixed(Nanosecond3NoDot)], Err(TOO_SHORT)); |
| check("421", &[internal_fixed(Nanosecond3NoDot)], parsed!(nanosecond: 421_000_000)); |
| check("4210", &[internal_fixed(Nanosecond3NoDot)], Err(TOO_LONG)); |
| check( |
| "42143", |
| &[internal_fixed(Nanosecond3NoDot), num(Second)], |
| parsed!(nanosecond: 421_000_000, second: 43), |
| ); |
| check( |
| "421🤠", |
| &[internal_fixed(Nanosecond3NoDot), Literal("🤠")], |
| parsed!(nanosecond: 421_000_000), |
| ); |
| check( |
| "🤠421", |
| &[Literal("🤠"), internal_fixed(Nanosecond3NoDot)], |
| parsed!(nanosecond: 421_000_000), |
| ); |
| check("42195", &[internal_fixed(Nanosecond3NoDot)], Err(TOO_LONG)); |
| check("123456789", &[internal_fixed(Nanosecond3NoDot)], Err(TOO_LONG)); |
| check("4x", &[internal_fixed(Nanosecond3NoDot)], Err(TOO_SHORT)); |
| check(" 4", &[internal_fixed(Nanosecond3NoDot)], Err(INVALID)); |
| check(".421", &[internal_fixed(Nanosecond3NoDot)], Err(INVALID)); |
| |
| check("", &[internal_fixed(Nanosecond6NoDot)], Err(TOO_SHORT)); |
| check(".", &[internal_fixed(Nanosecond6NoDot)], Err(TOO_SHORT)); |
| check("0", &[internal_fixed(Nanosecond6NoDot)], Err(TOO_SHORT)); |
| check("1234", &[internal_fixed(Nanosecond6NoDot)], Err(TOO_SHORT)); |
| check("12345", &[internal_fixed(Nanosecond6NoDot)], Err(TOO_SHORT)); |
| check("421950", &[internal_fixed(Nanosecond6NoDot)], parsed!(nanosecond: 421_950_000)); |
| check("000003", &[internal_fixed(Nanosecond6NoDot)], parsed!(nanosecond: 3000)); |
| check("000000", &[internal_fixed(Nanosecond6NoDot)], parsed!(nanosecond: 0)); |
| check("1234567", &[internal_fixed(Nanosecond6NoDot)], Err(TOO_LONG)); |
| check("123456789", &[internal_fixed(Nanosecond6NoDot)], Err(TOO_LONG)); |
| check("4x", &[internal_fixed(Nanosecond6NoDot)], Err(TOO_SHORT)); |
| check(" 4", &[internal_fixed(Nanosecond6NoDot)], Err(INVALID)); |
| check(".42100", &[internal_fixed(Nanosecond6NoDot)], Err(INVALID)); |
| |
| check("", &[internal_fixed(Nanosecond9NoDot)], Err(TOO_SHORT)); |
| check(".", &[internal_fixed(Nanosecond9NoDot)], Err(TOO_SHORT)); |
| check("42195", &[internal_fixed(Nanosecond9NoDot)], Err(TOO_SHORT)); |
| check("12345678", &[internal_fixed(Nanosecond9NoDot)], Err(TOO_SHORT)); |
| check("421950803", &[internal_fixed(Nanosecond9NoDot)], parsed!(nanosecond: 421_950_803)); |
| check("000000003", &[internal_fixed(Nanosecond9NoDot)], parsed!(nanosecond: 3)); |
| check( |
| "42195080354", |
| &[internal_fixed(Nanosecond9NoDot), num(Second)], |
| parsed!(nanosecond: 421_950_803, second: 54), |
| ); // don't skip digits that come after the 9 |
| check("1234567890", &[internal_fixed(Nanosecond9NoDot)], Err(TOO_LONG)); |
| check("000000000", &[internal_fixed(Nanosecond9NoDot)], parsed!(nanosecond: 0)); |
| check("00000000x", &[internal_fixed(Nanosecond9NoDot)], Err(INVALID)); |
| check(" 4", &[internal_fixed(Nanosecond9NoDot)], Err(INVALID)); |
| check(".42100000", &[internal_fixed(Nanosecond9NoDot)], Err(INVALID)); |
| } |
| |
| #[test] |
| fn test_parse_fixed_timezone_offset() { |
| use crate::format::Fixed::*; |
| use crate::format::InternalInternal::*; |
| use crate::format::Item::Literal; |
| |
| // TimezoneOffset |
| check("1", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("12", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("123", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("1234", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("12345", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("123456", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("1234567", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("+1", &[fixed(TimezoneOffset)], Err(TOO_SHORT)); |
| check("+12", &[fixed(TimezoneOffset)], Err(TOO_SHORT)); |
| check("+123", &[fixed(TimezoneOffset)], Err(TOO_SHORT)); |
| check("+1234", &[fixed(TimezoneOffset)], parsed!(offset: 45_240)); |
| check("+12345", &[fixed(TimezoneOffset)], Err(TOO_LONG)); |
| check("+123456", &[fixed(TimezoneOffset)], Err(TOO_LONG)); |
| check("+1234567", &[fixed(TimezoneOffset)], Err(TOO_LONG)); |
| check("+12345678", &[fixed(TimezoneOffset)], Err(TOO_LONG)); |
| check("+12:", &[fixed(TimezoneOffset)], Err(TOO_SHORT)); |
| check("+12:3", &[fixed(TimezoneOffset)], Err(TOO_SHORT)); |
| check("+12:34", &[fixed(TimezoneOffset)], parsed!(offset: 45_240)); |
| check("-12:34", &[fixed(TimezoneOffset)], parsed!(offset: -45_240)); |
| check("−12:34", &[fixed(TimezoneOffset)], parsed!(offset: -45_240)); // MINUS SIGN (U+2212) |
| check("+12:34:", &[fixed(TimezoneOffset)], Err(TOO_LONG)); |
| check("+12:34:5", &[fixed(TimezoneOffset)], Err(TOO_LONG)); |
| check("+12:34:56", &[fixed(TimezoneOffset)], Err(TOO_LONG)); |
| check("+12:34:56:", &[fixed(TimezoneOffset)], Err(TOO_LONG)); |
| check("+12 34", &[fixed(TimezoneOffset)], parsed!(offset: 45_240)); |
| check("+12 34", &[fixed(TimezoneOffset)], parsed!(offset: 45_240)); |
| check("12:34", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("12:34:56", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("+12::34", &[fixed(TimezoneOffset)], parsed!(offset: 45_240)); |
| check("+12: :34", &[fixed(TimezoneOffset)], parsed!(offset: 45_240)); |
| check("+12:::34", &[fixed(TimezoneOffset)], parsed!(offset: 45_240)); |
| check("+12::::34", &[fixed(TimezoneOffset)], parsed!(offset: 45_240)); |
| check("+12::34", &[fixed(TimezoneOffset)], parsed!(offset: 45_240)); |
| check("+12:34:56", &[fixed(TimezoneOffset)], Err(TOO_LONG)); |
| check("+12:3456", &[fixed(TimezoneOffset)], Err(TOO_LONG)); |
| check("+1234:56", &[fixed(TimezoneOffset)], Err(TOO_LONG)); |
| check("+1234:567", &[fixed(TimezoneOffset)], Err(TOO_LONG)); |
| check("+00:00", &[fixed(TimezoneOffset)], parsed!(offset: 0)); |
| check("-00:00", &[fixed(TimezoneOffset)], parsed!(offset: 0)); |
| check("−00:00", &[fixed(TimezoneOffset)], parsed!(offset: 0)); // MINUS SIGN (U+2212) |
| check("+00:01", &[fixed(TimezoneOffset)], parsed!(offset: 60)); |
| check("-00:01", &[fixed(TimezoneOffset)], parsed!(offset: -60)); |
| check("+00:30", &[fixed(TimezoneOffset)], parsed!(offset: 1_800)); |
| check("-00:30", &[fixed(TimezoneOffset)], parsed!(offset: -1_800)); |
| check("+24:00", &[fixed(TimezoneOffset)], parsed!(offset: 86_400)); |
| check("-24:00", &[fixed(TimezoneOffset)], parsed!(offset: -86_400)); |
| check("−24:00", &[fixed(TimezoneOffset)], parsed!(offset: -86_400)); // MINUS SIGN (U+2212) |
| check("+99:59", &[fixed(TimezoneOffset)], parsed!(offset: 359_940)); |
| check("-99:59", &[fixed(TimezoneOffset)], parsed!(offset: -359_940)); |
| check("+00:60", &[fixed(TimezoneOffset)], Err(OUT_OF_RANGE)); |
| check("+00:99", &[fixed(TimezoneOffset)], Err(OUT_OF_RANGE)); |
| check("#12:34", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("+12:34 ", &[fixed(TimezoneOffset)], Err(TOO_LONG)); |
| check("+12 34 ", &[fixed(TimezoneOffset)], Err(TOO_LONG)); |
| check(" +12:34", &[fixed(TimezoneOffset)], parsed!(offset: 45_240)); |
| check(" -12:34", &[fixed(TimezoneOffset)], parsed!(offset: -45_240)); |
| check(" −12:34", &[fixed(TimezoneOffset)], parsed!(offset: -45_240)); // MINUS SIGN (U+2212) |
| check(" +12:34", &[fixed(TimezoneOffset)], parsed!(offset: 45_240)); |
| check(" -12:34", &[fixed(TimezoneOffset)], parsed!(offset: -45_240)); |
| check("\t -12:34", &[fixed(TimezoneOffset)], parsed!(offset: -45_240)); |
| check("-12: 34", &[fixed(TimezoneOffset)], parsed!(offset: -45_240)); |
| check("-12 :34", &[fixed(TimezoneOffset)], parsed!(offset: -45_240)); |
| check("-12 : 34", &[fixed(TimezoneOffset)], parsed!(offset: -45_240)); |
| check("-12 : 34", &[fixed(TimezoneOffset)], parsed!(offset: -45_240)); |
| check("-12 : 34", &[fixed(TimezoneOffset)], parsed!(offset: -45_240)); |
| check("-12: 34", &[fixed(TimezoneOffset)], parsed!(offset: -45_240)); |
| check("-12 :34", &[fixed(TimezoneOffset)], parsed!(offset: -45_240)); |
| check("-12 : 34", &[fixed(TimezoneOffset)], parsed!(offset: -45_240)); |
| check("12:34 ", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check(" 12:34", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("", &[fixed(TimezoneOffset)], Err(TOO_SHORT)); |
| check("+", &[fixed(TimezoneOffset)], Err(TOO_SHORT)); |
| check( |
| "+12345", |
| &[fixed(TimezoneOffset), num(Numeric::Day)], |
| parsed!(offset: 45_240, day: 5), |
| ); |
| check( |
| "+12:345", |
| &[fixed(TimezoneOffset), num(Numeric::Day)], |
| parsed!(offset: 45_240, day: 5), |
| ); |
| check("+12:34:", &[fixed(TimezoneOffset), Literal(":")], parsed!(offset: 45_240)); |
| check("Z12:34", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("X12:34", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("Z+12:34", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("X+12:34", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("X−12:34", &[fixed(TimezoneOffset)], Err(INVALID)); // MINUS SIGN (U+2212) |
| check("🤠+12:34", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("+12:34🤠", &[fixed(TimezoneOffset)], Err(TOO_LONG)); |
| check("+12:🤠34", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("+1234🤠", &[fixed(TimezoneOffset), Literal("🤠")], parsed!(offset: 45_240)); |
| check("-1234🤠", &[fixed(TimezoneOffset), Literal("🤠")], parsed!(offset: -45_240)); |
| check("−1234🤠", &[fixed(TimezoneOffset), Literal("🤠")], parsed!(offset: -45_240)); // MINUS SIGN (U+2212) |
| check("+12:34🤠", &[fixed(TimezoneOffset), Literal("🤠")], parsed!(offset: 45_240)); |
| check("-12:34🤠", &[fixed(TimezoneOffset), Literal("🤠")], parsed!(offset: -45_240)); |
| check("−12:34🤠", &[fixed(TimezoneOffset), Literal("🤠")], parsed!(offset: -45_240)); // MINUS SIGN (U+2212) |
| check("🤠+12:34", &[Literal("🤠"), fixed(TimezoneOffset)], parsed!(offset: 45_240)); |
| check("Z", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("A", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("PST", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("#Z", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check(":Z", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("+Z", &[fixed(TimezoneOffset)], Err(TOO_SHORT)); |
| check("+:Z", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("+Z:", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check("z", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check(" :Z", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check(" Z", &[fixed(TimezoneOffset)], Err(INVALID)); |
| check(" z", &[fixed(TimezoneOffset)], Err(INVALID)); |
| |
| // TimezoneOffsetColon |
| check("1", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("12", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("123", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("1234", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("12345", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("123456", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("1234567", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("12345678", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("+1", &[fixed(TimezoneOffsetColon)], Err(TOO_SHORT)); |
| check("+12", &[fixed(TimezoneOffsetColon)], Err(TOO_SHORT)); |
| check("+123", &[fixed(TimezoneOffsetColon)], Err(TOO_SHORT)); |
| check("+1234", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("-1234", &[fixed(TimezoneOffsetColon)], parsed!(offset: -45_240)); |
| check("−1234", &[fixed(TimezoneOffsetColon)], parsed!(offset: -45_240)); // MINUS SIGN (U+2212) |
| check("+12345", &[fixed(TimezoneOffsetColon)], Err(TOO_LONG)); |
| check("+123456", &[fixed(TimezoneOffsetColon)], Err(TOO_LONG)); |
| check("+1234567", &[fixed(TimezoneOffsetColon)], Err(TOO_LONG)); |
| check("+12345678", &[fixed(TimezoneOffsetColon)], Err(TOO_LONG)); |
| check("1:", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("12:", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("12:3", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("12:34", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("12:34:", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("12:34:5", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("12:34:56", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("+1:", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("+12:", &[fixed(TimezoneOffsetColon)], Err(TOO_SHORT)); |
| check("+12:3", &[fixed(TimezoneOffsetColon)], Err(TOO_SHORT)); |
| check("+12:34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("-12:34", &[fixed(TimezoneOffsetColon)], parsed!(offset: -45_240)); |
| check("−12:34", &[fixed(TimezoneOffsetColon)], parsed!(offset: -45_240)); // MINUS SIGN (U+2212) |
| check("+12:34:", &[fixed(TimezoneOffsetColon)], Err(TOO_LONG)); |
| check("+12:34:5", &[fixed(TimezoneOffsetColon)], Err(TOO_LONG)); |
| check("+12:34:56", &[fixed(TimezoneOffsetColon)], Err(TOO_LONG)); |
| check("+12:34:56:", &[fixed(TimezoneOffsetColon)], Err(TOO_LONG)); |
| check("+12:34:56:7", &[fixed(TimezoneOffsetColon)], Err(TOO_LONG)); |
| check("+12:34:56:78", &[fixed(TimezoneOffsetColon)], Err(TOO_LONG)); |
| check("+12:3456", &[fixed(TimezoneOffsetColon)], Err(TOO_LONG)); |
| check("+1234:56", &[fixed(TimezoneOffsetColon)], Err(TOO_LONG)); |
| check("−12:34", &[fixed(TimezoneOffsetColon)], parsed!(offset: -45_240)); // MINUS SIGN (U+2212) |
| check("−12 : 34", &[fixed(TimezoneOffsetColon)], parsed!(offset: -45_240)); // MINUS SIGN (U+2212) |
| check("+12 :34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("+12: 34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("+12 34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("+12: 34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("+12 :34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("+12 : 34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("-12 : 34", &[fixed(TimezoneOffsetColon)], parsed!(offset: -45_240)); |
| check("+12 : 34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("+12 : 34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("+12 : 34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("+12::34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("+12: :34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("+12:::34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("+12::::34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("+12::34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("#1234", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("#12:34", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("+12:34 ", &[fixed(TimezoneOffsetColon)], Err(TOO_LONG)); |
| check(" +12:34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("\t+12:34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("\t\t+12:34", &[fixed(TimezoneOffsetColon)], parsed!(offset: 45_240)); |
| check("12:34 ", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check(" 12:34", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("", &[fixed(TimezoneOffsetColon)], Err(TOO_SHORT)); |
| check("+", &[fixed(TimezoneOffsetColon)], Err(TOO_SHORT)); |
| check(":", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check( |
| "+12345", |
| &[fixed(TimezoneOffsetColon), num(Numeric::Day)], |
| parsed!(offset: 45_240, day: 5), |
| ); |
| check( |
| "+12:345", |
| &[fixed(TimezoneOffsetColon), num(Numeric::Day)], |
| parsed!(offset: 45_240, day: 5), |
| ); |
| check("+12:34:", &[fixed(TimezoneOffsetColon), Literal(":")], parsed!(offset: 45_240)); |
| check("Z", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("A", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("PST", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("#Z", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check(":Z", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("+Z", &[fixed(TimezoneOffsetColon)], Err(TOO_SHORT)); |
| check("+:Z", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("+Z:", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check("z", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check(" :Z", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check(" Z", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| check(" z", &[fixed(TimezoneOffsetColon)], Err(INVALID)); |
| // testing `TimezoneOffsetColon` also tests same path as `TimezoneOffsetDoubleColon` |
| // and `TimezoneOffsetTripleColon` for function `parse_internal`. |
| // No need for separate tests for `TimezoneOffsetDoubleColon` and |
| // `TimezoneOffsetTripleColon`. |
| |
| // TimezoneOffsetZ |
| check("1", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("12", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("123", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("1234", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("12345", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("123456", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("1234567", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("12345678", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("+1", &[fixed(TimezoneOffsetZ)], Err(TOO_SHORT)); |
| check("+12", &[fixed(TimezoneOffsetZ)], Err(TOO_SHORT)); |
| check("+123", &[fixed(TimezoneOffsetZ)], Err(TOO_SHORT)); |
| check("+1234", &[fixed(TimezoneOffsetZ)], parsed!(offset: 45_240)); |
| check("-1234", &[fixed(TimezoneOffsetZ)], parsed!(offset: -45_240)); |
| check("−1234", &[fixed(TimezoneOffsetZ)], parsed!(offset: -45_240)); // MINUS SIGN (U+2212) |
| check("+12345", &[fixed(TimezoneOffsetZ)], Err(TOO_LONG)); |
| check("+123456", &[fixed(TimezoneOffsetZ)], Err(TOO_LONG)); |
| check("+1234567", &[fixed(TimezoneOffsetZ)], Err(TOO_LONG)); |
| check("+12345678", &[fixed(TimezoneOffsetZ)], Err(TOO_LONG)); |
| check("1:", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("12:", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("12:3", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("12:34", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("12:34:", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("12:34:5", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("12:34:56", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("+1:", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("+12:", &[fixed(TimezoneOffsetZ)], Err(TOO_SHORT)); |
| check("+12:3", &[fixed(TimezoneOffsetZ)], Err(TOO_SHORT)); |
| check("+12:34", &[fixed(TimezoneOffsetZ)], parsed!(offset: 45_240)); |
| check("-12:34", &[fixed(TimezoneOffsetZ)], parsed!(offset: -45_240)); |
| check("−12:34", &[fixed(TimezoneOffsetZ)], parsed!(offset: -45_240)); // MINUS SIGN (U+2212) |
| check("+12:34:", &[fixed(TimezoneOffsetZ)], Err(TOO_LONG)); |
| check("+12:34:5", &[fixed(TimezoneOffsetZ)], Err(TOO_LONG)); |
| check("+12:34:56", &[fixed(TimezoneOffsetZ)], Err(TOO_LONG)); |
| check("+12:34:56:", &[fixed(TimezoneOffsetZ)], Err(TOO_LONG)); |
| check("+12:34:56:7", &[fixed(TimezoneOffsetZ)], Err(TOO_LONG)); |
| check("+12:34:56:78", &[fixed(TimezoneOffsetZ)], Err(TOO_LONG)); |
| check("+12::34", &[fixed(TimezoneOffsetZ)], parsed!(offset: 45_240)); |
| check("+12:3456", &[fixed(TimezoneOffsetZ)], Err(TOO_LONG)); |
| check("+1234:56", &[fixed(TimezoneOffsetZ)], Err(TOO_LONG)); |
| check("+12 34", &[fixed(TimezoneOffsetZ)], parsed!(offset: 45_240)); |
| check("+12 34", &[fixed(TimezoneOffsetZ)], parsed!(offset: 45_240)); |
| check("+12: 34", &[fixed(TimezoneOffsetZ)], parsed!(offset: 45_240)); |
| check("+12 :34", &[fixed(TimezoneOffsetZ)], parsed!(offset: 45_240)); |
| check("+12 : 34", &[fixed(TimezoneOffsetZ)], parsed!(offset: 45_240)); |
| check("+12 : 34", &[fixed(TimezoneOffsetZ)], parsed!(offset: 45_240)); |
| check("+12 : 34", &[fixed(TimezoneOffsetZ)], parsed!(offset: 45_240)); |
| check("+12 : 34", &[fixed(TimezoneOffsetZ)], parsed!(offset: 45_240)); |
| check("12:34 ", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check(" 12:34", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("+12:34 ", &[fixed(TimezoneOffsetZ)], Err(TOO_LONG)); |
| check("+12 34 ", &[fixed(TimezoneOffsetZ)], Err(TOO_LONG)); |
| check(" +12:34", &[fixed(TimezoneOffsetZ)], parsed!(offset: 45_240)); |
| check( |
| "+12345", |
| &[fixed(TimezoneOffsetZ), num(Numeric::Day)], |
| parsed!(offset: 45_240, day: 5), |
| ); |
| check( |
| "+12:345", |
| &[fixed(TimezoneOffsetZ), num(Numeric::Day)], |
| parsed!(offset: 45_240, day: 5), |
| ); |
| check("+12:34:", &[fixed(TimezoneOffsetZ), Literal(":")], parsed!(offset: 45_240)); |
| check("Z12:34", &[fixed(TimezoneOffsetZ)], Err(TOO_LONG)); |
| check("X12:34", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("Z", &[fixed(TimezoneOffsetZ)], parsed!(offset: 0)); |
| check("z", &[fixed(TimezoneOffsetZ)], parsed!(offset: 0)); |
| check(" Z", &[fixed(TimezoneOffsetZ)], parsed!(offset: 0)); |
| check(" z", &[fixed(TimezoneOffsetZ)], parsed!(offset: 0)); |
| check("\u{0363}Z", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("Z ", &[fixed(TimezoneOffsetZ)], Err(TOO_LONG)); |
| check("A", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("PST", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("#Z", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check(":Z", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check(":z", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("+Z", &[fixed(TimezoneOffsetZ)], Err(TOO_SHORT)); |
| check("-Z", &[fixed(TimezoneOffsetZ)], Err(TOO_SHORT)); |
| check("+A", &[fixed(TimezoneOffsetZ)], Err(TOO_SHORT)); |
| check("+🙃", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("+Z:", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check(" :Z", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check(" +Z", &[fixed(TimezoneOffsetZ)], Err(TOO_SHORT)); |
| check(" -Z", &[fixed(TimezoneOffsetZ)], Err(TOO_SHORT)); |
| check("+:Z", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("Y", &[fixed(TimezoneOffsetZ)], Err(INVALID)); |
| check("Zulu", &[fixed(TimezoneOffsetZ), Literal("ulu")], parsed!(offset: 0)); |
| check("zulu", &[fixed(TimezoneOffsetZ), Literal("ulu")], parsed!(offset: 0)); |
| check("+1234ulu", &[fixed(TimezoneOffsetZ), Literal("ulu")], parsed!(offset: 45_240)); |
| check("+12:34ulu", &[fixed(TimezoneOffsetZ), Literal("ulu")], parsed!(offset: 45_240)); |
| // Testing `TimezoneOffsetZ` also tests same path as `TimezoneOffsetColonZ` |
| // in function `parse_internal`. |
| // No need for separate tests for `TimezoneOffsetColonZ`. |
| |
| // TimezoneOffsetPermissive |
| check("1", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("12", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("123", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("1234", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("12345", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("123456", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("1234567", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("12345678", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("+1", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_SHORT)); |
| check("+12", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 43_200)); |
| check("+123", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_SHORT)); |
| check("+1234", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("-1234", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: -45_240)); |
| check("−1234", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: -45_240)); // MINUS SIGN (U+2212) |
| check("+12345", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_LONG)); |
| check("+123456", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_LONG)); |
| check("+1234567", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_LONG)); |
| check("+12345678", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_LONG)); |
| check("1:", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("12:", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("12:3", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("12:34", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("12:34:", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("12:34:5", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("12:34:56", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("+1:", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("+12:", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 43_200)); |
| check("+12:3", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_SHORT)); |
| check("+12:34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("-12:34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: -45_240)); |
| check("−12:34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: -45_240)); // MINUS SIGN (U+2212) |
| check("+12:34:", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_LONG)); |
| check("+12:34:5", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_LONG)); |
| check("+12:34:56", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_LONG)); |
| check("+12:34:56:", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_LONG)); |
| check("+12:34:56:7", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_LONG)); |
| check("+12:34:56:78", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_LONG)); |
| check("+12 34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("+12 34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("+12 :34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("+12: 34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("+12 : 34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("+12 :34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("+12: 34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("+12 : 34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("+12::34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("+12 ::34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("+12: :34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("+12:: 34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("+12 ::34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("+12: :34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("+12:: 34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("+12:::34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("+12::::34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check("12:34 ", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check(" 12:34", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("+12:34 ", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_LONG)); |
| check(" +12:34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 45_240)); |
| check(" -12:34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: -45_240)); |
| check(" −12:34", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: -45_240)); // MINUS SIGN (U+2212) |
| check( |
| "+12345", |
| &[internal_fixed(TimezoneOffsetPermissive), num(Numeric::Day)], |
| parsed!(offset: 45_240, day: 5), |
| ); |
| check( |
| "+12:345", |
| &[internal_fixed(TimezoneOffsetPermissive), num(Numeric::Day)], |
| parsed!(offset: 45_240, day: 5), |
| ); |
| check( |
| "+12:34:", |
| &[internal_fixed(TimezoneOffsetPermissive), Literal(":")], |
| parsed!(offset: 45_240), |
| ); |
| check("🤠+12:34", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("+12:34🤠", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_LONG)); |
| check("+12:🤠34", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check( |
| "+12:34🤠", |
| &[internal_fixed(TimezoneOffsetPermissive), Literal("🤠")], |
| parsed!(offset: 45_240), |
| ); |
| check( |
| "🤠+12:34", |
| &[Literal("🤠"), internal_fixed(TimezoneOffsetPermissive)], |
| parsed!(offset: 45_240), |
| ); |
| check("Z", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 0)); |
| check("A", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("PST", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("z", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 0)); |
| check(" Z", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 0)); |
| check(" z", &[internal_fixed(TimezoneOffsetPermissive)], parsed!(offset: 0)); |
| check("Z ", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_LONG)); |
| check("#Z", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check(":Z", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check(":z", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("+Z", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_SHORT)); |
| check("-Z", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_SHORT)); |
| check("+A", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_SHORT)); |
| check("+PST", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("+🙃", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("+Z:", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check(" :Z", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check(" +Z", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_SHORT)); |
| check(" -Z", &[internal_fixed(TimezoneOffsetPermissive)], Err(TOO_SHORT)); |
| check("+:Z", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| check("Y", &[internal_fixed(TimezoneOffsetPermissive)], Err(INVALID)); |
| |
| // TimezoneName |
| check("CEST", &[fixed(TimezoneName)], parsed!()); |
| check("cest", &[fixed(TimezoneName)], parsed!()); // lowercase |
| check("XXXXXXXX", &[fixed(TimezoneName)], parsed!()); // not a real timezone name |
| check("!!!!", &[fixed(TimezoneName)], parsed!()); // not a real timezone name! |
| check("CEST 5", &[fixed(TimezoneName), Literal(" "), num(Numeric::Day)], parsed!(day: 5)); |
| check("CEST ", &[fixed(TimezoneName)], Err(TOO_LONG)); |
| check(" CEST", &[fixed(TimezoneName)], Err(TOO_LONG)); |
| check("CE ST", &[fixed(TimezoneName)], Err(TOO_LONG)); |
| } |
| |
| #[test] |
| #[rustfmt::skip] |
| fn test_parse_practical_examples() { |
| use crate::format::InternalInternal::*; |
| use crate::format::Item::{Literal, Space}; |
| use crate::format::Numeric::*; |
| |
| // some practical examples |
| check( |
| "2015-02-04T14:37:05+09:00", |
| &[ |
| num(Year), Literal("-"), num(Month), Literal("-"), num(Day), Literal("T"), |
| num(Hour), Literal(":"), num(Minute), Literal(":"), num(Second), |
| fixed(Fixed::TimezoneOffset), |
| ], |
| parsed!( |
| year: 2015, month: 2, day: 4, hour_div_12: 1, hour_mod_12: 2, minute: 37, |
| second: 5, offset: 32400 |
| ), |
| ); |
| check( |
| "2015-02-04T14:37:05-09:00", |
| &[ |
| num(Year), Literal("-"), num(Month), Literal("-"), num(Day), Literal("T"), |
| num(Hour), Literal(":"), num(Minute), Literal(":"), num(Second), |
| fixed(Fixed::TimezoneOffset), |
| ], |
| parsed!( |
| year: 2015, month: 2, day: 4, hour_div_12: 1, hour_mod_12: 2, minute: 37, |
| second: 5, offset: -32400 |
| ), |
| ); |
| check( |
| "2015-02-04T14:37:05−09:00", // timezone offset using MINUS SIGN (U+2212) |
| &[ |
| num(Year), Literal("-"), num(Month), Literal("-"), num(Day), Literal("T"), |
| num(Hour), Literal(":"), num(Minute), Literal(":"), num(Second), |
| fixed(Fixed::TimezoneOffset) |
| ], |
| parsed!( |
| year: 2015, month: 2, day: 4, hour_div_12: 1, hour_mod_12: 2, minute: 37, |
| second: 5, offset: -32400 |
| ), |
| ); |
| check( |
| "20150204143705567", |
| &[ |
| num(Year), num(Month), num(Day), num(Hour), num(Minute), num(Second), |
| internal_fixed(Nanosecond3NoDot) |
| ], |
| parsed!( |
| year: 2015, month: 2, day: 4, hour_div_12: 1, hour_mod_12: 2, minute: 37, |
| second: 5, nanosecond: 567000000 |
| ), |
| ); |
| check( |
| "Mon, 10 Jun 2013 09:32:37 GMT", |
| &[ |
| fixed(Fixed::ShortWeekdayName), Literal(","), Space(" "), num(Day), Space(" "), |
| fixed(Fixed::ShortMonthName), Space(" "), num(Year), Space(" "), num(Hour), |
| Literal(":"), num(Minute), Literal(":"), num(Second), Space(" "), Literal("GMT") |
| ], |
| parsed!( |
| year: 2013, month: 6, day: 10, weekday: Weekday::Mon, |
| hour_div_12: 0, hour_mod_12: 9, minute: 32, second: 37 |
| ), |
| ); |
| check( |
| "🤠Mon, 10 Jun🤠2013 09:32:37 GMT🤠", |
| &[ |
| Literal("🤠"), fixed(Fixed::ShortWeekdayName), Literal(","), Space(" "), num(Day), |
| Space(" "), fixed(Fixed::ShortMonthName), Literal("🤠"), num(Year), Space(" "), |
| num(Hour), Literal(":"), num(Minute), Literal(":"), num(Second), Space(" "), |
| Literal("GMT"), Literal("🤠") |
| ], |
| parsed!( |
| year: 2013, month: 6, day: 10, weekday: Weekday::Mon, |
| hour_div_12: 0, hour_mod_12: 9, minute: 32, second: 37 |
| ), |
| ); |
| check( |
| "Sun Aug 02 13:39:15 CEST 2020", |
| &[ |
| fixed(Fixed::ShortWeekdayName), Space(" "), fixed(Fixed::ShortMonthName), |
| Space(" "), num(Day), Space(" "), num(Hour), Literal(":"), num(Minute), |
| Literal(":"), num(Second), Space(" "), fixed(Fixed::TimezoneName), Space(" "), |
| num(Year) |
| ], |
| parsed!( |
| year: 2020, month: 8, day: 2, weekday: Weekday::Sun, |
| hour_div_12: 1, hour_mod_12: 1, minute: 39, second: 15 |
| ), |
| ); |
| check( |
| "20060102150405", |
| &[num(Year), num(Month), num(Day), num(Hour), num(Minute), num(Second)], |
| parsed!( |
| year: 2006, month: 1, day: 2, hour_div_12: 1, hour_mod_12: 3, minute: 4, second: 5 |
| ), |
| ); |
| check( |
| "3:14PM", |
| &[num(Hour12), Literal(":"), num(Minute), fixed(Fixed::LowerAmPm)], |
| parsed!(hour_div_12: 1, hour_mod_12: 3, minute: 14), |
| ); |
| check( |
| "12345678901234.56789", |
| &[num(Timestamp), Literal("."), num(Nanosecond)], |
| parsed!(nanosecond: 56_789, timestamp: 12_345_678_901_234), |
| ); |
| check( |
| "12345678901234.56789", |
| &[num(Timestamp), fixed(Fixed::Nanosecond)], |
| parsed!(nanosecond: 567_890_000, timestamp: 12_345_678_901_234), |
| ); |
| |
| // docstring examples from `impl str::FromStr` |
| check( |
| "2000-01-02T03:04:05Z", |
| &[ |
| num(Year), Literal("-"), num(Month), Literal("-"), num(Day), Literal("T"), |
| num(Hour), Literal(":"), num(Minute), Literal(":"), num(Second), |
| internal_fixed(TimezoneOffsetPermissive) |
| ], |
| parsed!( |
| year: 2000, month: 1, day: 2, hour_div_12: 0, hour_mod_12: 3, minute: 4, second: 5, |
| offset: 0 |
| ), |
| ); |
| check( |
| "2000-01-02 03:04:05Z", |
| &[ |
| num(Year), Literal("-"), num(Month), Literal("-"), num(Day), Space(" "), |
| num(Hour), Literal(":"), num(Minute), Literal(":"), num(Second), |
| internal_fixed(TimezoneOffsetPermissive) |
| ], |
| parsed!( |
| year: 2000, month: 1, day: 2, hour_div_12: 0, hour_mod_12: 3, minute: 4, second: 5, |
| offset: 0 |
| ), |
| ); |
| } |
| |
| #[track_caller] |
| fn parses(s: &str, items: &[Item]) { |
| let mut parsed = Parsed::new(); |
| assert!(parse(&mut parsed, s, items.iter()).is_ok()); |
| } |
| |
| #[track_caller] |
| fn check(s: &str, items: &[Item], expected: ParseResult<Parsed>) { |
| let mut parsed = Parsed::new(); |
| let result = parse(&mut parsed, s, items.iter()); |
| let parsed = result.map(|_| parsed); |
| assert_eq!(parsed, expected); |
| } |
| |
| #[test] |
| fn test_rfc2822() { |
| let ymd_hmsn = |y, m, d, h, n, s, nano, off| { |
| FixedOffset::east_opt(off * 60 * 60) |
| .unwrap() |
| .with_ymd_and_hms(y, m, d, h, n, s) |
| .unwrap() |
| .with_nanosecond(nano) |
| .unwrap() |
| }; |
| |
| // Test data - (input, Ok(expected result) or Err(error code)) |
| let testdates = [ |
| ("Tue, 20 Jan 2015 17:35:20 -0800", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -8))), // normal case |
| ("Fri, 2 Jan 2015 17:35:20 -0800", Ok(ymd_hmsn(2015, 1, 2, 17, 35, 20, 0, -8))), // folding whitespace |
| ("Fri, 02 Jan 2015 17:35:20 -0800", Ok(ymd_hmsn(2015, 1, 2, 17, 35, 20, 0, -8))), // leading zero |
| ("Tue, 20 Jan 2015 17:35:20 -0800 (UTC)", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -8))), // trailing comment |
| ( |
| r"Tue, 20 Jan 2015 17:35:20 -0800 ( (UTC ) (\( (a)\(( \t ) ) \\( \) ))", |
| Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -8)), |
| ), // complex trailing comment |
| (r"Tue, 20 Jan 2015 17:35:20 -0800 (UTC\)", Err(TOO_LONG)), // incorrect comment, not enough closing parentheses |
| ( |
| "Tue, 20 Jan 2015 17:35:20 -0800 (UTC)\t \r\n(Anothercomment)", |
| Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -8)), |
| ), // multiple comments |
| ("Tue, 20 Jan 2015 17:35:20 -0800 (UTC) ", Err(TOO_LONG)), // trailing whitespace after comment |
| ("20 Jan 2015 17:35:20 -0800", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -8))), // no day of week |
| ("20 JAN 2015 17:35:20 -0800", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -8))), // upper case month |
| ("Tue, 20 Jan 2015 17:35 -0800", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 0, 0, -8))), // no second |
| ("11 Sep 2001 09:45:00 +0000", Ok(ymd_hmsn(2001, 9, 11, 9, 45, 0, 0, 0))), |
| ("11 Sep 2001 09:45:00 EST", Ok(ymd_hmsn(2001, 9, 11, 9, 45, 0, 0, -5))), |
| ("11 Sep 2001 09:45:00 GMT", Ok(ymd_hmsn(2001, 9, 11, 9, 45, 0, 0, 0))), |
| ("30 Feb 2015 17:35:20 -0800", Err(OUT_OF_RANGE)), // bad day of month |
| ("Tue, 20 Jan 2015", Err(TOO_SHORT)), // omitted fields |
| ("Tue, 20 Avr 2015 17:35:20 -0800", Err(INVALID)), // bad month name |
| ("Tue, 20 Jan 2015 25:35:20 -0800", Err(OUT_OF_RANGE)), // bad hour |
| ("Tue, 20 Jan 2015 7:35:20 -0800", Err(INVALID)), // bad # of digits in hour |
| ("Tue, 20 Jan 2015 17:65:20 -0800", Err(OUT_OF_RANGE)), // bad minute |
| ("Tue, 20 Jan 2015 17:35:90 -0800", Err(OUT_OF_RANGE)), // bad second |
| ("Tue, 20 Jan 2015 17:35:20 -0890", Err(OUT_OF_RANGE)), // bad offset |
| ("6 Jun 1944 04:00:00Z", Err(INVALID)), // bad offset (zulu not allowed) |
| // named timezones that have specific timezone offsets |
| // see https://www.rfc-editor.org/rfc/rfc2822#section-4.3 |
| ("Tue, 20 Jan 2015 17:35:20 GMT", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, 0))), |
| ("Tue, 20 Jan 2015 17:35:20 UT", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, 0))), |
| ("Tue, 20 Jan 2015 17:35:20 ut", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, 0))), |
| ("Tue, 20 Jan 2015 17:35:20 EDT", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -4))), |
| ("Tue, 20 Jan 2015 17:35:20 EST", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -5))), |
| ("Tue, 20 Jan 2015 17:35:20 CDT", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -5))), |
| ("Tue, 20 Jan 2015 17:35:20 CST", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -6))), |
| ("Tue, 20 Jan 2015 17:35:20 MDT", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -6))), |
| ("Tue, 20 Jan 2015 17:35:20 MST", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -7))), |
| ("Tue, 20 Jan 2015 17:35:20 PDT", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -7))), |
| ("Tue, 20 Jan 2015 17:35:20 PST", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -8))), |
| ("Tue, 20 Jan 2015 17:35:20 pst", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -8))), |
| // named single-letter military timezones must fallback to +0000 |
| ("Tue, 20 Jan 2015 17:35:20 Z", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, 0))), |
| ("Tue, 20 Jan 2015 17:35:20 A", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, 0))), |
| ("Tue, 20 Jan 2015 17:35:20 a", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, 0))), |
| ("Tue, 20 Jan 2015 17:35:20 K", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, 0))), |
| ("Tue, 20 Jan 2015 17:35:20 k", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, 0))), |
| // named single-letter timezone "J" is specifically not valid |
| ("Tue, 20 Jan 2015 17:35:20 J", Err(INVALID)), |
| ("Tue, 20 Jan 2015 17:35:20 -0890", Err(OUT_OF_RANGE)), // bad offset minutes |
| ("Tue, 20 Jan 2015 17:35:20Z", Err(INVALID)), // bad offset: zulu not allowed |
| ("Tue, 20 Jan 2015 17:35:20 Zulu", Err(INVALID)), // bad offset: zulu not allowed |
| ("Tue, 20 Jan 2015 17:35:20 ZULU", Err(INVALID)), // bad offset: zulu not allowed |
| ("Tue, 20 Jan 2015 17:35:20 −0800", Err(INVALID)), // bad offset: timezone offset using MINUS SIGN (U+2212), not specified for RFC 2822 |
| ("Tue, 20 Jan 2015 17:35:20 0800", Err(INVALID)), // missing offset sign |
| ("Tue, 20 Jan 2015 17:35:20 HAS", Err(INVALID)), // bad named timezone |
| ("Tue, 20 Jan 2015😈17:35:20 -0800", Err(INVALID)), // bad character! |
| ]; |
| |
| fn rfc2822_to_datetime(date: &str) -> ParseResult<DateTime<FixedOffset>> { |
| let mut parsed = Parsed::new(); |
| parse(&mut parsed, date, [Item::Fixed(Fixed::RFC2822)].iter())?; |
| parsed.to_datetime() |
| } |
| |
| // Test against test data above |
| for &(date, checkdate) in testdates.iter() { |
| #[cfg(feature = "std")] |
| eprintln!("Test input: {:?}\n Expect: {:?}", date, checkdate); |
| let dt = rfc2822_to_datetime(date); // parse a date |
| if dt != checkdate { |
| // check for expected result |
| panic!( |
| "Date conversion failed for {}\nReceived: {:?}\nExpected: {:?}", |
| date, dt, checkdate |
| ); |
| } |
| } |
| } |
| |
| #[test] |
| fn parse_rfc850() { |
| static RFC850_FMT: &str = "%A, %d-%b-%y %T GMT"; |
| |
| let dt = Utc.with_ymd_and_hms(1994, 11, 6, 8, 49, 37).unwrap(); |
| |
| // Check that the format is what we expect |
| #[cfg(feature = "alloc")] |
| assert_eq!(dt.format(RFC850_FMT).to_string(), "Sunday, 06-Nov-94 08:49:37 GMT"); |
| |
| // Check that it parses correctly |
| assert_eq!( |
| NaiveDateTime::parse_from_str("Sunday, 06-Nov-94 08:49:37 GMT", RFC850_FMT), |
| Ok(dt.naive_utc()) |
| ); |
| |
| // Check that the rest of the weekdays parse correctly (this test originally failed because |
| // Sunday parsed incorrectly). |
| let testdates = [ |
| ( |
| Utc.with_ymd_and_hms(1994, 11, 7, 8, 49, 37).unwrap(), |
| "Monday, 07-Nov-94 08:49:37 GMT", |
| ), |
| ( |
| Utc.with_ymd_and_hms(1994, 11, 8, 8, 49, 37).unwrap(), |
| "Tuesday, 08-Nov-94 08:49:37 GMT", |
| ), |
| ( |
| Utc.with_ymd_and_hms(1994, 11, 9, 8, 49, 37).unwrap(), |
| "Wednesday, 09-Nov-94 08:49:37 GMT", |
| ), |
| ( |
| Utc.with_ymd_and_hms(1994, 11, 10, 8, 49, 37).unwrap(), |
| "Thursday, 10-Nov-94 08:49:37 GMT", |
| ), |
| ( |
| Utc.with_ymd_and_hms(1994, 11, 11, 8, 49, 37).unwrap(), |
| "Friday, 11-Nov-94 08:49:37 GMT", |
| ), |
| ( |
| Utc.with_ymd_and_hms(1994, 11, 12, 8, 49, 37).unwrap(), |
| "Saturday, 12-Nov-94 08:49:37 GMT", |
| ), |
| ]; |
| |
| for val in &testdates { |
| assert_eq!(NaiveDateTime::parse_from_str(val.1, RFC850_FMT), Ok(val.0.naive_utc())); |
| } |
| |
| let test_dates_fail = [ |
| "Saturday, 12-Nov-94 08:49:37", |
| "Saturday, 12-Nov-94 08:49:37 Z", |
| "Saturday, 12-Nov-94 08:49:37 GMTTTT", |
| "Saturday, 12-Nov-94 08:49:37 gmt", |
| "Saturday, 12-Nov-94 08:49:37 +08:00", |
| "Caturday, 12-Nov-94 08:49:37 GMT", |
| "Saturday, 99-Nov-94 08:49:37 GMT", |
| "Saturday, 12-Nov-2000 08:49:37 GMT", |
| "Saturday, 12-Mop-94 08:49:37 GMT", |
| "Saturday, 12-Nov-94 28:49:37 GMT", |
| "Saturday, 12-Nov-94 08:99:37 GMT", |
| "Saturday, 12-Nov-94 08:49:99 GMT", |
| ]; |
| |
| for val in &test_dates_fail { |
| assert!(NaiveDateTime::parse_from_str(val, RFC850_FMT).is_err()); |
| } |
| } |
| |
| #[test] |
| fn test_rfc3339() { |
| let ymd_hmsn = |y, m, d, h, n, s, nano, off| { |
| FixedOffset::east_opt(off * 60 * 60) |
| .unwrap() |
| .with_ymd_and_hms(y, m, d, h, n, s) |
| .unwrap() |
| .with_nanosecond(nano) |
| .unwrap() |
| }; |
| |
| // Test data - (input, Ok(expected result) or Err(error code)) |
| let testdates = [ |
| ("2015-01-20T17:35:20-08:00", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -8))), // normal case |
| ("2015-01-20T17:35:20−08:00", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -8))), // normal case with MINUS SIGN (U+2212) |
| ("1944-06-06T04:04:00Z", Ok(ymd_hmsn(1944, 6, 6, 4, 4, 0, 0, 0))), // D-day |
| ("2001-09-11T09:45:00-08:00", Ok(ymd_hmsn(2001, 9, 11, 9, 45, 0, 0, -8))), |
| ("2015-01-20T17:35:20.001-08:00", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 1_000_000, -8))), |
| ("2015-01-20T17:35:20.001−08:00", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 1_000_000, -8))), // with MINUS SIGN (U+2212) |
| ("2015-01-20T17:35:20.000031-08:00", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 31_000, -8))), |
| ("2015-01-20T17:35:20.000000004-08:00", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 4, -8))), |
| ("2015-01-20T17:35:20.000000004−08:00", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 4, -8))), // with MINUS SIGN (U+2212) |
| ( |
| "2015-01-20T17:35:20.000000000452-08:00", |
| Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -8)), |
| ), // too small |
| ( |
| "2015-01-20T17:35:20.000000000452−08:00", |
| Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -8)), |
| ), // too small with MINUS SIGN (U+2212) |
| ("2015-01-20 17:35:20-08:00", Ok(ymd_hmsn(2015, 1, 20, 17, 35, 20, 0, -8))), // without 'T' |
| ("2015/01/20T17:35:20.001-08:00", Err(INVALID)), // wrong separator char YMD |
| ("2015-01-20T17-35-20.001-08:00", Err(INVALID)), // wrong separator char HMS |
| ("-01-20T17:35:20-08:00", Err(INVALID)), // missing year |
| ("99-01-20T17:35:20-08:00", Err(INVALID)), // bad year format |
| ("99999-01-20T17:35:20-08:00", Err(INVALID)), // bad year value |
| ("-2000-01-20T17:35:20-08:00", Err(INVALID)), // bad year value |
| ("2015-02-30T17:35:20-08:00", Err(OUT_OF_RANGE)), // bad day of month value |
| ("2015-01-20T25:35:20-08:00", Err(OUT_OF_RANGE)), // bad hour value |
| ("2015-01-20T17:65:20-08:00", Err(OUT_OF_RANGE)), // bad minute value |
| ("2015-01-20T17:35:90-08:00", Err(OUT_OF_RANGE)), // bad second value |
| ("2015-01-20T17:35:20-24:00", Err(OUT_OF_RANGE)), // bad offset value |
| ("15-01-20T17:35:20-08:00", Err(INVALID)), // bad year format |
| ("15-01-20T17:35:20-08:00:00", Err(INVALID)), // bad year format, bad offset format |
| ("2015-01-20T17:35:2008:00", Err(INVALID)), // missing offset sign |
| ("2015-01-20T17:35:20 08:00", Err(INVALID)), // missing offset sign |
| ("2015-01-20T17:35:20Zulu", Err(TOO_LONG)), // bad offset format |
| ("2015-01-20T17:35:20 Zulu", Err(INVALID)), // bad offset format |
| ("2015-01-20T17:35:20GMT", Err(INVALID)), // bad offset format |
| ("2015-01-20T17:35:20 GMT", Err(INVALID)), // bad offset format |
| ("2015-01-20T17:35:20+GMT", Err(INVALID)), // bad offset format |
| ("2015-01-20T17:35:20++08:00", Err(INVALID)), // bad offset format |
| ("2015-01-20T17:35:20--08:00", Err(INVALID)), // bad offset format |
| ("2015-01-20T17:35:20−−08:00", Err(INVALID)), // bad offset format with MINUS SIGN (U+2212) |
| ("2015-01-20T17:35:20±08:00", Err(INVALID)), // bad offset sign |
| ("2015-01-20T17:35:20-08-00", Err(INVALID)), // bad offset separator |
| ("2015-01-20T17:35:20-08;00", Err(INVALID)), // bad offset separator |
| ("2015-01-20T17:35:20-0800", Err(INVALID)), // bad offset separator |
| ("2015-01-20T17:35:20-08:0", Err(TOO_SHORT)), // bad offset minutes |
| ("2015-01-20T17:35:20-08:AA", Err(INVALID)), // bad offset minutes |
| ("2015-01-20T17:35:20-08:ZZ", Err(INVALID)), // bad offset minutes |
| ("2015-01-20T17:35:20.001-08 : 00", Err(INVALID)), // bad offset separator |
| ("2015-01-20T17:35:20-08:00:00", Err(TOO_LONG)), // bad offset format |
| ("2015-01-20T17:35:20+08:", Err(TOO_SHORT)), // bad offset format |
| ("2015-01-20T17:35:20-08:", Err(TOO_SHORT)), // bad offset format |
| ("2015-01-20T17:35:20−08:", Err(TOO_SHORT)), // bad offset format with MINUS SIGN (U+2212) |
| ("2015-01-20T17:35:20-08", Err(TOO_SHORT)), // bad offset format |
| ("2015-01-20T", Err(TOO_SHORT)), // missing HMS |
| ("2015-01-20T00:00:1", Err(TOO_SHORT)), // missing complete S |
| ("2015-01-20T00:00:1-08:00", Err(INVALID)), // missing complete S |
| ]; |
| |
| // Test against test data above |
| for &(date, checkdate) in testdates.iter() { |
| let dt = DateTime::<FixedOffset>::parse_from_rfc3339(date); |
| if dt != checkdate { |
| // check for expected result |
| panic!( |
| "Date conversion failed for {}\nReceived: {:?}\nExpected: {:?}", |
| date, dt, checkdate |
| ); |
| } |
| } |
| } |
| |
| #[test] |
| fn test_issue_1010() { |
| let dt = crate::NaiveDateTime::parse_from_str("\u{c}SUN\u{e}\u{3000}\0m@J\u{3000}\0\u{3000}\0m\u{c}!\u{c}\u{b}\u{c}\u{c}\u{c}\u{c}%A\u{c}\u{b}\0SU\u{c}\u{c}", |
| "\u{c}\u{c}%A\u{c}\u{b}\0SUN\u{c}\u{c}\u{c}SUNN\u{c}\u{c}\u{c}SUN\u{c}\u{c}!\u{c}\u{b}\u{c}\u{c}\u{c}\u{c}%A\u{c}\u{b}%a"); |
| assert_eq!(dt, Err(ParseError(ParseErrorKind::Invalid))); |
| } |
| } |