// 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 or the MIT license // , 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(unix)] extern crate libc; #[cfg(windows)] extern crate winapi; #[cfg(feature = "rustc-serialize")] extern crate rustc_serialize; #[cfg(target_os = "wasi")] extern crate wasi; #[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 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 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 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 for SteadyTime { type Output = SteadyTime; fn sub(self, other: Duration) -> SteadyTime { SteadyTime(self.0 - other) } } impl Add 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, 109 - 1] pub tm_nsec: i32, } impl Add 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 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 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 { 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, 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, 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 { 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>, } 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) } }