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Diffstat (limited to 'vendor/time/src/lib.rs')
| -rw-r--r-- | vendor/time/src/lib.rs | 1282 |
1 files changed, 1282 insertions, 0 deletions
diff --git a/vendor/time/src/lib.rs b/vendor/time/src/lib.rs new file mode 100644 index 000000000..07c38e406 --- /dev/null +++ b/vendor/time/src/lib.rs @@ -0,0 +1,1282 @@ +// Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +//! Simple time handling. +//! +//! # Usage +//! +//! This crate is [on crates.io](https://crates.io/crates/time) and can be +//! used by adding `time` to the dependencies in your project's `Cargo.toml`. +//! +//! ```toml +//! [dependencies] +//! time = "0.1" +//! ``` +//! +//! And this in your crate root: +//! +//! ```rust +//! extern crate time; +//! ``` +//! +//! This crate uses the same syntax for format strings as the +//! [`strftime()`](http://man7.org/linux/man-pages/man3/strftime.3.html) +//! function from the C standard library. + +#![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png", + html_favicon_url = "https://www.rust-lang.org/favicon.ico", + html_root_url = "https://doc.rust-lang.org/time/")] +#![allow(unknown_lints)] +#![allow(ellipsis_inclusive_range_patterns)] // `..=` requires Rust 1.26 +#![allow(trivial_numeric_casts)] +#![cfg_attr(test, deny(warnings))] + +#[cfg(unix)] extern crate libc; +#[cfg(windows)] extern crate winapi; +#[cfg(feature = "rustc-serialize")] extern crate rustc_serialize; + +#[cfg(test)] #[macro_use] extern crate log; + +use std::cmp::Ordering; +use std::error::Error; +use std::fmt; +use std::ops::{Add, Sub}; + +pub use duration::{Duration, OutOfRangeError}; + +use self::ParseError::{InvalidDay, InvalidDayOfMonth, InvalidDayOfWeek, + InvalidDayOfYear, InvalidFormatSpecifier, InvalidHour, + InvalidMinute, InvalidMonth, InvalidSecond, InvalidTime, + InvalidYear, InvalidZoneOffset, InvalidSecondsSinceEpoch, + MissingFormatConverter, UnexpectedCharacter}; + +pub use parse::strptime; + +mod display; +mod duration; +mod parse; +mod sys; + +static NSEC_PER_SEC: i32 = 1_000_000_000; + +/// A record specifying a time value in seconds and nanoseconds, where +/// nanoseconds represent the offset from the given second. +/// +/// For example a timespec of 1.2 seconds after the beginning of the epoch would +/// be represented as {sec: 1, nsec: 200000000}. +#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Hash)] +#[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))] +pub struct Timespec { pub sec: i64, pub nsec: i32 } +/* + * Timespec assumes that pre-epoch Timespecs have negative sec and positive + * nsec fields. Darwin's and Linux's struct timespec functions handle pre- + * epoch timestamps using a "two steps back, one step forward" representation, + * though the man pages do not actually document this. For example, the time + * -1.2 seconds before the epoch is represented by `Timespec { sec: -2_i64, + * nsec: 800_000_000 }`. + */ +impl Timespec { + pub fn new(sec: i64, nsec: i32) -> Timespec { + assert!(nsec >= 0 && nsec < NSEC_PER_SEC); + Timespec { sec: sec, nsec: nsec } + } +} + +impl Add<Duration> for Timespec { + type Output = Timespec; + + fn add(self, other: Duration) -> Timespec { + let d_sec = other.num_seconds(); + // It is safe to unwrap the nanoseconds, because there cannot be + // more than one second left, which fits in i64 and in i32. + let d_nsec = (other - Duration::seconds(d_sec)) + .num_nanoseconds().unwrap() as i32; + let mut sec = self.sec + d_sec; + let mut nsec = self.nsec + d_nsec; + if nsec >= NSEC_PER_SEC { + nsec -= NSEC_PER_SEC; + sec += 1; + } else if nsec < 0 { + nsec += NSEC_PER_SEC; + sec -= 1; + } + Timespec::new(sec, nsec) + } +} + +impl Sub<Duration> for Timespec { + type Output = Timespec; + + fn sub(self, other: Duration) -> Timespec { + let d_sec = other.num_seconds(); + // It is safe to unwrap the nanoseconds, because there cannot be + // more than one second left, which fits in i64 and in i32. + let d_nsec = (other - Duration::seconds(d_sec)) + .num_nanoseconds().unwrap() as i32; + let mut sec = self.sec - d_sec; + let mut nsec = self.nsec - d_nsec; + if nsec >= NSEC_PER_SEC { + nsec -= NSEC_PER_SEC; + sec += 1; + } else if nsec < 0 { + nsec += NSEC_PER_SEC; + sec -= 1; + } + Timespec::new(sec, nsec) + } +} + +impl Sub<Timespec> for Timespec { + type Output = Duration; + + fn sub(self, other: Timespec) -> Duration { + let sec = self.sec - other.sec; + let nsec = self.nsec - other.nsec; + Duration::seconds(sec) + Duration::nanoseconds(nsec as i64) + } +} + +/** + * Returns the current time as a `timespec` containing the seconds and + * nanoseconds since 1970-01-01T00:00:00Z. + */ +pub fn get_time() -> Timespec { + let (sec, nsec) = sys::get_time(); + Timespec::new(sec, nsec) +} + + +/** + * Returns the current value of a high-resolution performance counter + * in nanoseconds since an unspecified epoch. + */ +#[inline] +pub fn precise_time_ns() -> u64 { + sys::get_precise_ns() +} + + +/** + * Returns the current value of a high-resolution performance counter + * in seconds since an unspecified epoch. + */ +pub fn precise_time_s() -> f64 { + return (precise_time_ns() as f64) / 1000000000.; +} + +/// An opaque structure representing a moment in time. +/// +/// The only operation that can be performed on a `PreciseTime` is the +/// calculation of the `Duration` of time that lies between them. +/// +/// # Examples +/// +/// Repeatedly call a function for 1 second: +/// +/// ```rust +/// use time::{Duration, PreciseTime}; +/// # fn do_some_work() {} +/// +/// let start = PreciseTime::now(); +/// +/// while start.to(PreciseTime::now()) < Duration::seconds(1) { +/// do_some_work(); +/// } +/// ``` +#[derive(Copy, Clone)] +pub struct PreciseTime(u64); + +impl PreciseTime { + /// Returns a `PreciseTime` representing the current moment in time. + pub fn now() -> PreciseTime { + PreciseTime(precise_time_ns()) + } + + /// Returns a `Duration` representing the span of time from the value of + /// `self` to the value of `later`. + /// + /// # Notes + /// + /// If `later` represents a time before `self`, the result of this method + /// is unspecified. + /// + /// If `later` represents a time more than 293 years after `self`, the + /// result of this method is unspecified. + #[inline] + pub fn to(&self, later: PreciseTime) -> Duration { + // NB: even if later is less than self due to overflow, this will work + // since the subtraction will underflow properly as well. + // + // We could deal with the overflow when casting to an i64, but all that + // gets us is the ability to handle intervals of up to 584 years, which + // seems not very useful :) + Duration::nanoseconds((later.0 - self.0) as i64) + } +} + +/// A structure representing a moment in time. +/// +/// `SteadyTime`s are generated by a "steady" clock, that is, a clock which +/// never experiences discontinuous jumps and for which time always flows at +/// the same rate. +/// +/// # Examples +/// +/// Repeatedly call a function for 1 second: +/// +/// ```rust +/// # use time::{Duration, SteadyTime}; +/// # fn do_some_work() {} +/// let start = SteadyTime::now(); +/// +/// while SteadyTime::now() - start < Duration::seconds(1) { +/// do_some_work(); +/// } +/// ``` +#[derive(Clone, Copy, PartialOrd, Ord, PartialEq, Eq, Debug)] +pub struct SteadyTime(sys::SteadyTime); + +impl SteadyTime { + /// Returns a `SteadyTime` representing the current moment in time. + pub fn now() -> SteadyTime { + SteadyTime(sys::SteadyTime::now()) + } +} + +impl fmt::Display for SteadyTime { + fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result { + // TODO: needs a display customization + fmt::Debug::fmt(self, fmt) + } +} + +impl Sub for SteadyTime { + type Output = Duration; + + fn sub(self, other: SteadyTime) -> Duration { + self.0 - other.0 + } +} + +impl Sub<Duration> for SteadyTime { + type Output = SteadyTime; + + fn sub(self, other: Duration) -> SteadyTime { + SteadyTime(self.0 - other) + } +} + +impl Add<Duration> for SteadyTime { + type Output = SteadyTime; + + fn add(self, other: Duration) -> SteadyTime { + SteadyTime(self.0 + other) + } +} + +#[cfg(not(any(windows, target_env = "sgx")))] +pub fn tzset() { + extern { fn tzset(); } + unsafe { tzset() } +} + + +#[cfg(any(windows, target_env = "sgx"))] +pub fn tzset() {} + +/// Holds a calendar date and time broken down into its components (year, month, +/// day, and so on), also called a broken-down time value. +// FIXME: use c_int instead of i32? +#[repr(C)] +#[derive(Copy, Clone, PartialEq, Eq, Debug, Hash)] +#[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))] +pub struct Tm { + /// Seconds after the minute - [0, 60] + pub tm_sec: i32, + + /// Minutes after the hour - [0, 59] + pub tm_min: i32, + + /// Hours after midnight - [0, 23] + pub tm_hour: i32, + + /// Day of the month - [1, 31] + pub tm_mday: i32, + + /// Months since January - [0, 11] + pub tm_mon: i32, + + /// Years since 1900 + pub tm_year: i32, + + /// Days since Sunday - [0, 6]. 0 = Sunday, 1 = Monday, ..., 6 = Saturday. + pub tm_wday: i32, + + /// Days since January 1 - [0, 365] + pub tm_yday: i32, + + /// Daylight Saving Time flag. + /// + /// This value is positive if Daylight Saving Time is in effect, zero if + /// Daylight Saving Time is not in effect, and negative if this information + /// is not available. + pub tm_isdst: i32, + + /// Identifies the time zone that was used to compute this broken-down time + /// value, including any adjustment for Daylight Saving Time. This is the + /// number of seconds east of UTC. For example, for U.S. Pacific Daylight + /// Time, the value is `-7*60*60 = -25200`. + pub tm_utcoff: i32, + + /// Nanoseconds after the second - [0, 10<sup>9</sup> - 1] + pub tm_nsec: i32, +} + +impl Add<Duration> for Tm { + type Output = Tm; + + /// The resulting Tm is in UTC. + // FIXME: The resulting Tm should have the same timezone as `self`; + // however, we need a function such as `at_tm(clock: Timespec, offset: i32)` + // for this. + fn add(self, other: Duration) -> Tm { + at_utc(self.to_timespec() + other) + } +} + +impl Sub<Duration> for Tm { + type Output = Tm; + + /// The resulting Tm is in UTC. + // FIXME: The resulting Tm should have the same timezone as `self`; + // however, we need a function such as `at_tm(clock: Timespec, offset: i32)` + // for this. + fn sub(self, other: Duration) -> Tm { + at_utc(self.to_timespec() - other) + } +} + +impl Sub<Tm> for Tm { + type Output = Duration; + + fn sub(self, other: Tm) -> Duration { + self.to_timespec() - other.to_timespec() + } +} + +impl PartialOrd for Tm { + fn partial_cmp(&self, other: &Tm) -> Option<Ordering> { + self.to_timespec().partial_cmp(&other.to_timespec()) + } +} + +impl Ord for Tm { + fn cmp(&self, other: &Tm) -> Ordering { + self.to_timespec().cmp(&other.to_timespec()) + } +} + +pub fn empty_tm() -> Tm { + Tm { + tm_sec: 0, + tm_min: 0, + tm_hour: 0, + tm_mday: 0, + tm_mon: 0, + tm_year: 0, + tm_wday: 0, + tm_yday: 0, + tm_isdst: 0, + tm_utcoff: 0, + tm_nsec: 0, + } +} + +/// Returns the specified time in UTC +pub fn at_utc(clock: Timespec) -> Tm { + let Timespec { sec, nsec } = clock; + let mut tm = empty_tm(); + sys::time_to_utc_tm(sec, &mut tm); + tm.tm_nsec = nsec; + tm +} + +/// Returns the current time in UTC +pub fn now_utc() -> Tm { + at_utc(get_time()) +} + +/// Returns the specified time in the local timezone +pub fn at(clock: Timespec) -> Tm { + let Timespec { sec, nsec } = clock; + let mut tm = empty_tm(); + sys::time_to_local_tm(sec, &mut tm); + tm.tm_nsec = nsec; + tm +} + +/// Returns the current time in the local timezone +pub fn now() -> Tm { + at(get_time()) +} + +impl Tm { + /// Convert time to the seconds from January 1, 1970 + pub fn to_timespec(&self) -> Timespec { + let sec = match self.tm_utcoff { + 0 => sys::utc_tm_to_time(self), + _ => sys::local_tm_to_time(self) + }; + + Timespec::new(sec, self.tm_nsec) + } + + /// Convert time to the local timezone + pub fn to_local(&self) -> Tm { + at(self.to_timespec()) + } + + /// Convert time to the UTC + pub fn to_utc(&self) -> Tm { + match self.tm_utcoff { + 0 => *self, + _ => at_utc(self.to_timespec()) + } + } + + /** + * Returns a TmFmt that outputs according to the `asctime` format in ISO + * C, in the local timezone. + * + * Example: "Thu Jan 1 00:00:00 1970" + */ + pub fn ctime(&self) -> TmFmt { + TmFmt { + tm: self, + format: Fmt::Ctime, + } + } + + /** + * Returns a TmFmt that outputs according to the `asctime` format in ISO + * C. + * + * Example: "Thu Jan 1 00:00:00 1970" + */ + pub fn asctime(&self) -> TmFmt { + TmFmt { + tm: self, + format: Fmt::Str("%c"), + } + } + + /// Formats the time according to the format string. + pub fn strftime<'a>(&'a self, format: &'a str) -> Result<TmFmt<'a>, ParseError> { + validate_format(TmFmt { + tm: self, + format: Fmt::Str(format), + }) + } + + /** + * Returns a TmFmt that outputs according to RFC 822. + * + * local: "Thu, 22 Mar 2012 07:53:18 PST" + * utc: "Thu, 22 Mar 2012 14:53:18 GMT" + */ + pub fn rfc822(&self) -> TmFmt { + let fmt = if self.tm_utcoff == 0 { + "%a, %d %b %Y %T GMT" + } else { + "%a, %d %b %Y %T %Z" + }; + TmFmt { + tm: self, + format: Fmt::Str(fmt), + } + } + + /** + * Returns a TmFmt that outputs according to RFC 822 with Zulu time. + * + * local: "Thu, 22 Mar 2012 07:53:18 -0700" + * utc: "Thu, 22 Mar 2012 14:53:18 -0000" + */ + pub fn rfc822z(&self) -> TmFmt { + TmFmt { + tm: self, + format: Fmt::Str("%a, %d %b %Y %T %z"), + } + } + + /** + * Returns a TmFmt that outputs according to RFC 3339. RFC 3339 is + * compatible with ISO 8601. + * + * local: "2012-02-22T07:53:18-07:00" + * utc: "2012-02-22T14:53:18Z" + */ + pub fn rfc3339<'a>(&'a self) -> TmFmt { + TmFmt { + tm: self, + format: Fmt::Rfc3339, + } + } +} + +#[derive(Copy, PartialEq, Debug, Clone)] +pub enum ParseError { + InvalidSecond, + InvalidMinute, + InvalidHour, + InvalidDay, + InvalidMonth, + InvalidYear, + InvalidDayOfWeek, + InvalidDayOfMonth, + InvalidDayOfYear, + InvalidZoneOffset, + InvalidTime, + InvalidSecondsSinceEpoch, + MissingFormatConverter, + InvalidFormatSpecifier(char), + UnexpectedCharacter(char, char), +} + +impl fmt::Display for ParseError { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + #[allow(deprecated)] + match *self { + InvalidFormatSpecifier(ch) => { + write!(f, "{}: %{}", self.description(), ch) + } + UnexpectedCharacter(a, b) => { + write!(f, "expected: `{}`, found: `{}`", a, b) + } + _ => write!(f, "{}", self.description()) + } + } +} + +impl Error for ParseError { + fn description(&self) -> &str { + match *self { + InvalidSecond => "Invalid second.", + InvalidMinute => "Invalid minute.", + InvalidHour => "Invalid hour.", + InvalidDay => "Invalid day.", + InvalidMonth => "Invalid month.", + InvalidYear => "Invalid year.", + InvalidDayOfWeek => "Invalid day of the week.", + InvalidDayOfMonth => "Invalid day of the month.", + InvalidDayOfYear => "Invalid day of the year.", + InvalidZoneOffset => "Invalid zone offset.", + InvalidTime => "Invalid time.", + InvalidSecondsSinceEpoch => "Invalid seconds since epoch.", + MissingFormatConverter => "missing format converter after `%`", + InvalidFormatSpecifier(..) => "invalid format specifier", + UnexpectedCharacter(..) => "Unexpected character.", + } + } +} + +/// A wrapper around a `Tm` and format string that implements Display. +#[derive(Debug)] +pub struct TmFmt<'a> { + tm: &'a Tm, + format: Fmt<'a> +} + +#[derive(Debug)] +enum Fmt<'a> { + Str(&'a str), + Rfc3339, + Ctime, +} + +fn validate_format<'a>(fmt: TmFmt<'a>) -> Result<TmFmt<'a>, ParseError> { + + match (fmt.tm.tm_wday, fmt.tm.tm_mon) { + (0...6, 0...11) => (), + (_wday, 0...11) => return Err(InvalidDayOfWeek), + (0...6, _mon) => return Err(InvalidMonth), + _ => return Err(InvalidDay) + } + match fmt.format { + Fmt::Str(ref s) => { + let mut chars = s.chars(); + loop { + match chars.next() { + Some('%') => { + match chars.next() { + Some('A') | Some('a') | Some('B') | Some('b') | + Some('C') | Some('c') | Some('D') | Some('d') | + Some('e') | Some('F') | Some('f') | Some('G') | + Some('g') | Some('H') | Some('h') | Some('I') | + Some('j') | Some('k') | Some('l') | Some('M') | + Some('m') | Some('n') | Some('P') | Some('p') | + Some('R') | Some('r') | Some('S') | Some('s') | + Some('T') | Some('t') | Some('U') | Some('u') | + Some('V') | Some('v') | Some('W') | Some('w') | + Some('X') | Some('x') | Some('Y') | Some('y') | + Some('Z') | Some('z') | Some('+') | Some('%') => (), + + Some(c) => return Err(InvalidFormatSpecifier(c)), + None => return Err(MissingFormatConverter), + } + }, + None => break, + _ => () + } + } + }, + _ => () + } + Ok(fmt) +} + +/// Formats the time according to the format string. +pub fn strftime(format: &str, tm: &Tm) -> Result<String, ParseError> { + tm.strftime(format).map(|fmt| fmt.to_string()) +} + +#[cfg(test)] +mod tests { + use super::{Timespec, get_time, precise_time_ns, precise_time_s, + at_utc, at, strptime, PreciseTime, SteadyTime, ParseError, Duration}; + use super::ParseError::{InvalidTime, InvalidYear, MissingFormatConverter, + InvalidFormatSpecifier}; + + #[allow(deprecated)] // `Once::new` is const starting in Rust 1.32 + use std::sync::ONCE_INIT; + use std::sync::{Once, Mutex, MutexGuard, LockResult}; + use std::i32; + use std::mem; + + struct TzReset { + _tzreset: ::sys::TzReset, + _lock: LockResult<MutexGuard<'static, ()>>, + } + + fn set_time_zone_la_or_london(london: bool) -> TzReset { + // Lock manages current timezone because some tests require LA some + // London + static mut LOCK: *mut Mutex<()> = 0 as *mut _; + #[allow(deprecated)] // `Once::new` is const starting in Rust 1.32 + static INIT: Once = ONCE_INIT; + + unsafe { + INIT.call_once(|| { + LOCK = mem::transmute(Box::new(Mutex::new(()))); + }); + + let timezone_lock = (*LOCK).lock(); + let reset_func = if london { + ::sys::set_london_with_dst_time_zone() + } else { + ::sys::set_los_angeles_time_zone() + }; + TzReset { + _lock: timezone_lock, + _tzreset: reset_func, + } + } + } + + fn set_time_zone() -> TzReset { + set_time_zone_la_or_london(false) + } + + fn set_time_zone_london_dst() -> TzReset { + set_time_zone_la_or_london(true) + } + + #[test] + fn test_get_time() { + static SOME_RECENT_DATE: i64 = 1577836800i64; // 2020-01-01T00:00:00Z + static SOME_FUTURE_DATE: i64 = i32::MAX as i64; // Y2038 + + let tv1 = get_time(); + debug!("tv1={} sec + {} nsec", tv1.sec, tv1.nsec); + + assert!(tv1.sec > SOME_RECENT_DATE); + assert!(tv1.nsec < 1000000000i32); + + let tv2 = get_time(); + debug!("tv2={} sec + {} nsec", tv2.sec, tv2.nsec); + + assert!(tv2.sec >= tv1.sec); + assert!(tv2.sec < SOME_FUTURE_DATE); + assert!(tv2.nsec < 1000000000i32); + if tv2.sec == tv1.sec { + assert!(tv2.nsec >= tv1.nsec); + } + } + + #[test] + fn test_precise_time() { + let s0 = precise_time_s(); + debug!("s0={} sec", s0); + assert!(s0 > 0.); + + let ns0 = precise_time_ns(); + let ns1 = precise_time_ns(); + debug!("ns0={} ns", ns0); + debug!("ns1={} ns", ns1); + assert!(ns1 >= ns0); + + let ns2 = precise_time_ns(); + debug!("ns2={} ns", ns2); + assert!(ns2 >= ns1); + } + + #[test] + fn test_precise_time_to() { + let t0 = PreciseTime(1000); + let t1 = PreciseTime(1023); + assert_eq!(Duration::nanoseconds(23), t0.to(t1)); + } + + #[test] + fn test_at_utc() { + let _reset = set_time_zone(); + + let time = Timespec::new(1234567890, 54321); + let utc = at_utc(time); + + assert_eq!(utc.tm_sec, 30); + assert_eq!(utc.tm_min, 31); + assert_eq!(utc.tm_hour, 23); + assert_eq!(utc.tm_mday, 13); + assert_eq!(utc.tm_mon, 1); + assert_eq!(utc.tm_year, 109); + assert_eq!(utc.tm_wday, 5); + assert_eq!(utc.tm_yday, 43); + assert_eq!(utc.tm_isdst, 0); + assert_eq!(utc.tm_utcoff, 0); + assert_eq!(utc.tm_nsec, 54321); + } + + #[test] + fn test_at() { + let _reset = set_time_zone(); + + let time = Timespec::new(1234567890, 54321); + let local = at(time); + + debug!("time_at: {:?}", local); + + assert_eq!(local.tm_sec, 30); + assert_eq!(local.tm_min, 31); + assert_eq!(local.tm_hour, 15); + assert_eq!(local.tm_mday, 13); + assert_eq!(local.tm_mon, 1); + assert_eq!(local.tm_year, 109); + assert_eq!(local.tm_wday, 5); + assert_eq!(local.tm_yday, 43); + assert_eq!(local.tm_isdst, 0); + assert_eq!(local.tm_utcoff, -28800); + assert_eq!(local.tm_nsec, 54321); + } + + #[test] + fn test_to_timespec() { + let _reset = set_time_zone(); + + let time = Timespec::new(1234567890, 54321); + let utc = at_utc(time); + + assert_eq!(utc.to_timespec(), time); + assert_eq!(utc.to_local().to_timespec(), time); + } + + #[test] + fn test_conversions() { + let _reset = set_time_zone(); + + let time = Timespec::new(1234567890, 54321); + let utc = at_utc(time); + let local = at(time); + + assert!(local.to_local() == local); + assert!(local.to_utc() == utc); + assert!(local.to_utc().to_local() == local); + assert!(utc.to_utc() == utc); + assert!(utc.to_local() == local); + assert!(utc.to_local().to_utc() == utc); + } + + #[test] + fn test_strptime() { + let _reset = set_time_zone(); + + match strptime("", "") { + Ok(ref tm) => { + assert!(tm.tm_sec == 0); + assert!(tm.tm_min == 0); + assert!(tm.tm_hour == 0); + assert!(tm.tm_mday == 0); + assert!(tm.tm_mon == 0); + assert!(tm.tm_year == 0); + assert!(tm.tm_wday == 0); + assert!(tm.tm_isdst == 0); + assert!(tm.tm_utcoff == 0); + assert!(tm.tm_nsec == 0); + } + Err(_) => () + } + + let format = "%a %b %e %T.%f %Y"; + assert_eq!(strptime("", format), Err(ParseError::InvalidDay)); + assert_eq!(strptime("Fri Feb 13 15:31:30", format), + Err(InvalidTime)); + + match strptime("Fri Feb 13 15:31:30.01234 2009", format) { + Err(e) => panic!("{}", e), + Ok(ref tm) => { + assert_eq!(tm.tm_sec, 30); + assert_eq!(tm.tm_min, 31); + assert_eq!(tm.tm_hour, 15); + assert_eq!(tm.tm_mday, 13); + assert_eq!(tm.tm_mon, 1); + assert_eq!(tm.tm_year, 109); + assert_eq!(tm.tm_wday, 5); + assert_eq!(tm.tm_yday, 0); + assert_eq!(tm.tm_isdst, 0); + assert_eq!(tm.tm_utcoff, 0); + assert_eq!(tm.tm_nsec, 12340000); + } + } + + fn test(s: &str, format: &str) -> bool { + match strptime(s, format) { + Ok(tm) => { + tm.strftime(format).unwrap().to_string() == s.to_string() + }, + Err(e) => panic!("{:?}, s={:?}, format={:?}", e, s, format) + } + } + + fn test_oneway(s : &str, format : &str) -> bool { + match strptime(s, format) { + Ok(_) => { + // oneway tests are used when reformatting the parsed Tm + // back into a string can generate a different string + // from the original (i.e. leading zeroes) + true + }, + Err(e) => panic!("{:?}, s={:?}, format={:?}", e, s, format) + } + } + + let days = [ + "Sunday".to_string(), + "Monday".to_string(), + "Tuesday".to_string(), + "Wednesday".to_string(), + "Thursday".to_string(), + "Friday".to_string(), + "Saturday".to_string() + ]; + for day in days.iter() { + assert!(test(&day, "%A")); + } + + let days = [ + "Sun".to_string(), + "Mon".to_string(), + "Tue".to_string(), + "Wed".to_string(), + "Thu".to_string(), + "Fri".to_string(), + "Sat".to_string() + ]; + for day in days.iter() { + assert!(test(&day, "%a")); + } + + let months = [ + "January".to_string(), + "February".to_string(), + "March".to_string(), + "April".to_string(), + "May".to_string(), + "June".to_string(), + "July".to_string(), + "August".to_string(), + "September".to_string(), + "October".to_string(), + "November".to_string(), + "December".to_string() + ]; + for day in months.iter() { + assert!(test(&day, "%B")); + } + + let months = [ + "Jan".to_string(), + "Feb".to_string(), + "Mar".to_string(), + "Apr".to_string(), + "May".to_string(), + "Jun".to_string(), + "Jul".to_string(), + "Aug".to_string(), + "Sep".to_string(), + "Oct".to_string(), + "Nov".to_string(), + "Dec".to_string() + ]; + for day in months.iter() { + assert!(test(&day, "%b")); + } + + assert!(test("19", "%C")); + assert!(test("Fri Feb 3 23:31:30 2009", "%c")); + assert!(test("Fri Feb 13 23:31:30 2009", "%c")); + assert!(test("02/13/09", "%D")); + assert!(test("03", "%d")); + assert!(test("13", "%d")); + assert!(test(" 3", "%e")); + assert!(test("13", "%e")); + assert!(test("2009-02-13", "%F")); + assert!(test("03", "%H")); + assert!(test("13", "%H")); + assert!(test("03", "%I")); // FIXME (#2350): flesh out + assert!(test("11", "%I")); // FIXME (#2350): flesh out + assert!(test("044", "%j")); + assert!(test(" 3", "%k")); + assert!(test("13", "%k")); + assert!(test(" 1", "%l")); + assert!(test("11", "%l")); + assert!(test("03", "%M")); + assert!(test("13", "%M")); + assert!(test("\n", "%n")); + assert!(test("am", "%P")); + assert!(test("pm", "%P")); + assert!(test("AM", "%p")); + assert!(test("PM", "%p")); + assert!(test("23:31", "%R")); + assert!(test("11:31:30 AM", "%r")); + assert!(test("11:31:30 PM", "%r")); + assert!(test("03", "%S")); + assert!(test("13", "%S")); + assert!(test("15:31:30", "%T")); + assert!(test("\t", "%t")); + assert!(test("1", "%u")); + assert!(test("7", "%u")); + assert!(test("13-Feb-2009", "%v")); + assert!(test("0", "%w")); + assert!(test("6", "%w")); + assert!(test("2009", "%Y")); + assert!(test("09", "%y")); + + assert!(test_oneway("3", "%d")); + assert!(test_oneway("3", "%H")); + assert!(test_oneway("3", "%e")); + assert!(test_oneway("3", "%M")); + assert!(test_oneway("3", "%S")); + + assert!(strptime("-0000", "%z").unwrap().tm_utcoff == 0); + assert!(strptime("-00:00", "%z").unwrap().tm_utcoff == 0); + assert!(strptime("Z", "%z").unwrap().tm_utcoff == 0); + assert_eq!(-28800, strptime("-0800", "%z").unwrap().tm_utcoff); + assert_eq!(-28800, strptime("-08:00", "%z").unwrap().tm_utcoff); + assert_eq!(28800, strptime("+0800", "%z").unwrap().tm_utcoff); + assert_eq!(28800, strptime("+08:00", "%z").unwrap().tm_utcoff); + assert_eq!(5400, strptime("+0130", "%z").unwrap().tm_utcoff); + assert_eq!(5400, strptime("+01:30", "%z").unwrap().tm_utcoff); + assert!(test("%", "%%")); + + // Test for #7256 + assert_eq!(strptime("360", "%Y-%m-%d"), Err(InvalidYear)); + + // Test for epoch seconds parsing + { + assert!(test("1428035610", "%s")); + let tm = strptime("1428035610", "%s").unwrap(); + assert_eq!(tm.tm_utcoff, 0); + assert_eq!(tm.tm_isdst, 0); + assert_eq!(tm.tm_yday, 92); + assert_eq!(tm.tm_wday, 5); + assert_eq!(tm.tm_year, 115); + assert_eq!(tm.tm_mon, 3); + assert_eq!(tm.tm_mday, 3); + assert_eq!(tm.tm_hour, 4); + } + } + + #[test] + fn test_asctime() { + let _reset = set_time_zone(); + + let time = Timespec::new(1234567890, 54321); + let utc = at_utc(time); + let local = at(time); + + debug!("test_ctime: {} {}", utc.asctime(), local.asctime()); + + assert_eq!(utc.asctime().to_string(), "Fri Feb 13 23:31:30 2009".to_string()); + assert_eq!(local.asctime().to_string(), "Fri Feb 13 15:31:30 2009".to_string()); + } + + #[test] + fn test_ctime() { + let _reset = set_time_zone(); + + let time = Timespec::new(1234567890, 54321); + let utc = at_utc(time); + let local = at(time); + + debug!("test_ctime: {} {}", utc.ctime(), local.ctime()); + + assert_eq!(utc.ctime().to_string(), "Fri Feb 13 15:31:30 2009".to_string()); + assert_eq!(local.ctime().to_string(), "Fri Feb 13 15:31:30 2009".to_string()); + } + + #[test] + fn test_strftime() { + let _reset = set_time_zone(); + + let time = Timespec::new(1234567890, 54321); + let utc = at_utc(time); + let local = at(time); + + assert_eq!(local.strftime("").unwrap().to_string(), "".to_string()); + assert_eq!(local.strftime("%A").unwrap().to_string(), "Friday".to_string()); + assert_eq!(local.strftime("%a").unwrap().to_string(), "Fri".to_string()); + assert_eq!(local.strftime("%B").unwrap().to_string(), "February".to_string()); + assert_eq!(local.strftime("%b").unwrap().to_string(), "Feb".to_string()); + assert_eq!(local.strftime("%C").unwrap().to_string(), "20".to_string()); + assert_eq!(local.strftime("%c").unwrap().to_string(), + "Fri Feb 13 15:31:30 2009".to_string()); + assert_eq!(local.strftime("%D").unwrap().to_string(), "02/13/09".to_string()); + assert_eq!(local.strftime("%d").unwrap().to_string(), "13".to_string()); + assert_eq!(local.strftime("%e").unwrap().to_string(), "13".to_string()); + assert_eq!(local.strftime("%F").unwrap().to_string(), "2009-02-13".to_string()); + assert_eq!(local.strftime("%f").unwrap().to_string(), "000054321".to_string()); + assert_eq!(local.strftime("%G").unwrap().to_string(), "2009".to_string()); + assert_eq!(local.strftime("%g").unwrap().to_string(), "09".to_string()); + assert_eq!(local.strftime("%H").unwrap().to_string(), "15".to_string()); + assert_eq!(local.strftime("%h").unwrap().to_string(), "Feb".to_string()); + assert_eq!(local.strftime("%I").unwrap().to_string(), "03".to_string()); + assert_eq!(local.strftime("%j").unwrap().to_string(), "044".to_string()); + assert_eq!(local.strftime("%k").unwrap().to_string(), "15".to_string()); + assert_eq!(local.strftime("%l").unwrap().to_string(), " 3".to_string()); + assert_eq!(local.strftime("%M").unwrap().to_string(), "31".to_string()); + assert_eq!(local.strftime("%m").unwrap().to_string(), "02".to_string()); + assert_eq!(local.strftime("%n").unwrap().to_string(), "\n".to_string()); + assert_eq!(local.strftime("%P").unwrap().to_string(), "pm".to_string()); + assert_eq!(local.strftime("%p").unwrap().to_string(), "PM".to_string()); + assert_eq!(local.strftime("%R").unwrap().to_string(), "15:31".to_string()); + assert_eq!(local.strftime("%r").unwrap().to_string(), "03:31:30 PM".to_string()); + assert_eq!(local.strftime("%S").unwrap().to_string(), "30".to_string()); + assert_eq!(local.strftime("%s").unwrap().to_string(), "1234567890".to_string()); + assert_eq!(local.strftime("%T").unwrap().to_string(), "15:31:30".to_string()); + assert_eq!(local.strftime("%t").unwrap().to_string(), "\t".to_string()); + assert_eq!(local.strftime("%U").unwrap().to_string(), "06".to_string()); + assert_eq!(local.strftime("%u").unwrap().to_string(), "5".to_string()); + assert_eq!(local.strftime("%V").unwrap().to_string(), "07".to_string()); + assert_eq!(local.strftime("%v").unwrap().to_string(), "13-Feb-2009".to_string()); + assert_eq!(local.strftime("%W").unwrap().to_string(), "06".to_string()); + assert_eq!(local.strftime("%w").unwrap().to_string(), "5".to_string()); + // FIXME (#2350): support locale + assert_eq!(local.strftime("%X").unwrap().to_string(), "15:31:30".to_string()); + // FIXME (#2350): support locale + assert_eq!(local.strftime("%x").unwrap().to_string(), "02/13/09".to_string()); + assert_eq!(local.strftime("%Y").unwrap().to_string(), "2009".to_string()); + assert_eq!(local.strftime("%y").unwrap().to_string(), "09".to_string()); + // FIXME (#2350): support locale + assert_eq!(local.strftime("%Z").unwrap().to_string(), "".to_string()); + assert_eq!(local.strftime("%z").unwrap().to_string(), "-0800".to_string()); + assert_eq!(local.strftime("%+").unwrap().to_string(), + "2009-02-13T15:31:30-08:00".to_string()); + assert_eq!(local.strftime("%%").unwrap().to_string(), "%".to_string()); + + let invalid_specifiers = ["%E", "%J", "%K", "%L", "%N", "%O", "%o", "%Q", "%q"]; + for &sp in invalid_specifiers.iter() { + assert_eq!(local.strftime(sp).unwrap_err(), + InvalidFormatSpecifier(sp[1..].chars().next().unwrap())); + } + assert_eq!(local.strftime("%").unwrap_err(), MissingFormatConverter); + assert_eq!(local.strftime("%A %").unwrap_err(), MissingFormatConverter); + + assert_eq!(local.asctime().to_string(), "Fri Feb 13 15:31:30 2009".to_string()); + assert_eq!(local.ctime().to_string(), "Fri Feb 13 15:31:30 2009".to_string()); + assert_eq!(local.rfc822z().to_string(), "Fri, 13 Feb 2009 15:31:30 -0800".to_string()); + assert_eq!(local.rfc3339().to_string(), "2009-02-13T15:31:30-08:00".to_string()); + + assert_eq!(utc.asctime().to_string(), "Fri Feb 13 23:31:30 2009".to_string()); + assert_eq!(utc.ctime().to_string(), "Fri Feb 13 15:31:30 2009".to_string()); + assert_eq!(utc.rfc822().to_string(), "Fri, 13 Feb 2009 23:31:30 GMT".to_string()); + assert_eq!(utc.rfc822z().to_string(), "Fri, 13 Feb 2009 23:31:30 -0000".to_string()); + assert_eq!(utc.rfc3339().to_string(), "2009-02-13T23:31:30Z".to_string()); + } + + #[test] + fn test_timespec_eq_ord() { + let a = &Timespec::new(-2, 1); + let b = &Timespec::new(-1, 2); + let c = &Timespec::new(1, 2); + let d = &Timespec::new(2, 1); + let e = &Timespec::new(2, 1); + + assert!(d.eq(e)); + assert!(c.ne(e)); + + assert!(a.lt(b)); + assert!(b.lt(c)); + assert!(c.lt(d)); + + assert!(a.le(b)); + assert!(b.le(c)); + assert!(c.le(d)); + assert!(d.le(e)); + assert!(e.le(d)); + + assert!(b.ge(a)); + assert!(c.ge(b)); + assert!(d.ge(c)); + assert!(e.ge(d)); + assert!(d.ge(e)); + + assert!(b.gt(a)); + assert!(c.gt(b)); + assert!(d.gt(c)); + } + + #[test] + #[allow(deprecated)] + fn test_timespec_hash() { + use std::hash::{Hash, Hasher}; + + let c = &Timespec::new(3, 2); + let d = &Timespec::new(2, 1); + let e = &Timespec::new(2, 1); + + let mut hasher = ::std::hash::SipHasher::new(); + + let d_hash:u64 = { + d.hash(&mut hasher); + hasher.finish() + }; + + hasher = ::std::hash::SipHasher::new(); + + let e_hash:u64 = { + e.hash(&mut hasher); + hasher.finish() + }; + + hasher = ::std::hash::SipHasher::new(); + + let c_hash:u64 = { + c.hash(&mut hasher); + hasher.finish() + }; + + assert_eq!(d_hash, e_hash); + assert!(c_hash != e_hash); + } + + #[test] + fn test_timespec_add() { + let a = Timespec::new(1, 2); + let b = Duration::seconds(2) + Duration::nanoseconds(3); + let c = a + b; + assert_eq!(c.sec, 3); + assert_eq!(c.nsec, 5); + + let p = Timespec::new(1, super::NSEC_PER_SEC - 2); + let q = Duration::seconds(2) + Duration::nanoseconds(2); + let r = p + q; + assert_eq!(r.sec, 4); + assert_eq!(r.nsec, 0); + + let u = Timespec::new(1, super::NSEC_PER_SEC - 2); + let v = Duration::seconds(2) + Duration::nanoseconds(3); + let w = u + v; + assert_eq!(w.sec, 4); + assert_eq!(w.nsec, 1); + + let k = Timespec::new(1, 0); + let l = Duration::nanoseconds(-1); + let m = k + l; + assert_eq!(m.sec, 0); + assert_eq!(m.nsec, 999_999_999); + } + + #[test] + fn test_timespec_sub() { + let a = Timespec::new(2, 3); + let b = Timespec::new(1, 2); + let c = a - b; + assert_eq!(c.num_nanoseconds(), Some(super::NSEC_PER_SEC as i64 + 1)); + + let p = Timespec::new(2, 0); + let q = Timespec::new(1, 2); + let r = p - q; + assert_eq!(r.num_nanoseconds(), Some(super::NSEC_PER_SEC as i64 - 2)); + + let u = Timespec::new(1, 2); + let v = Timespec::new(2, 3); + let w = u - v; + assert_eq!(w.num_nanoseconds(), Some(-super::NSEC_PER_SEC as i64 - 1)); + } + + #[test] + fn test_time_sub() { + let a = ::now(); + let b = at(a.to_timespec() + Duration::seconds(5)); + let c = b - a; + assert_eq!(c.num_nanoseconds(), Some(super::NSEC_PER_SEC as i64 * 5)); + } + + #[test] + fn test_steadytime_sub() { + let a = SteadyTime::now(); + let b = a + Duration::seconds(1); + assert_eq!(b - a, Duration::seconds(1)); + assert_eq!(a - b, Duration::seconds(-1)); + } + + #[test] + fn test_date_before_1970() { + let early = strptime("1901-01-06", "%F").unwrap(); + let late = strptime("2000-01-01", "%F").unwrap(); + assert!(early < late); + } + + #[test] + fn test_dst() { + let _reset = set_time_zone_london_dst(); + let utc_in_feb = strptime("2015-02-01Z", "%F%z").unwrap(); + let utc_in_jun = strptime("2015-06-01Z", "%F%z").unwrap(); + let utc_in_nov = strptime("2015-11-01Z", "%F%z").unwrap(); + let local_in_feb = utc_in_feb.to_local(); + let local_in_jun = utc_in_jun.to_local(); + let local_in_nov = utc_in_nov.to_local(); + + assert_eq!(local_in_feb.tm_mon, 1); + assert_eq!(local_in_feb.tm_hour, 0); + assert_eq!(local_in_feb.tm_utcoff, 0); + assert_eq!(local_in_feb.tm_isdst, 0); + + assert_eq!(local_in_jun.tm_mon, 5); + assert_eq!(local_in_jun.tm_hour, 1); + assert_eq!(local_in_jun.tm_utcoff, 3600); + assert_eq!(local_in_jun.tm_isdst, 1); + + assert_eq!(local_in_nov.tm_mon, 10); + assert_eq!(local_in_nov.tm_hour, 0); + assert_eq!(local_in_nov.tm_utcoff, 0); + assert_eq!(local_in_nov.tm_isdst, 0) + } +} |