1 // Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 #[crate_id = "time#0.10-pre"];
12 #[crate_type = "rlib"];
13 #[crate_type = "dylib"];
14 #[license = "MIT/ASL2"];
15 #[doc(html_logo_url = "http://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
16 html_favicon_url = "http://www.rust-lang.org/favicon.ico",
17 html_root_url = "http://static.rust-lang.org/doc/master")];
20 #[allow(deprecated_owned_vector)];
22 #[cfg(test)] #[phase(syntax, link)] extern crate log;
23 extern crate serialize;
25 use std::io::BufReader;
30 static NSEC_PER_SEC: i32 = 1_000_000_000_i32;
37 pub fn rust_gmtime(sec: i64, nsec: i32, result: &mut Tm);
38 pub fn rust_localtime(sec: i64, nsec: i32, result: &mut Tm);
39 pub fn rust_timegm(tm: &Tm) -> i64;
40 pub fn rust_mktime(tm: &Tm) -> i64;
44 #[cfg(unix, not(target_os = "macos"))]
46 use std::libc::{c_int, timespec};
48 // Apparently android provides this in some other library?
49 #[cfg(not(target_os = "android"))]
54 pub fn clock_gettime(clk_id: c_int, tp: *mut timespec) -> c_int;
58 #[cfg(target_os = "macos")]
60 use std::libc::{timeval, timezone, c_int, mach_timebase_info};
63 pub fn gettimeofday(tp: *mut timeval, tzp: *mut timezone) -> c_int;
64 pub fn mach_absolute_time() -> u64;
65 pub fn mach_timebase_info(info: *mut mach_timebase_info) -> c_int;
69 /// A record specifying a time value in seconds and nanoseconds.
70 #[deriving(Clone, Eq, TotalEq, Ord, TotalOrd, Encodable, Decodable, Show)]
71 pub struct Timespec { sec: i64, nsec: i32 }
73 * Timespec assumes that pre-epoch Timespecs have negative sec and positive
74 * nsec fields. Darwin's and Linux's struct timespec functions handle pre-
75 * epoch timestamps using a "two steps back, one step forward" representation,
76 * though the man pages do not actually document this. For example, the time
77 * -1.2 seconds before the epoch is represented by `Timespec { sec: -2_i64,
78 * nsec: 800_000_000_i32 }`.
81 pub fn new(sec: i64, nsec: i32) -> Timespec {
82 assert!(nsec >= 0 && nsec < NSEC_PER_SEC);
83 Timespec { sec: sec, nsec: nsec }
88 * Returns the current time as a `timespec` containing the seconds and
89 * nanoseconds since 1970-01-01T00:00:00Z.
91 pub fn get_time() -> Timespec {
93 let (sec, nsec) = os_get_time();
94 return Timespec::new(sec, nsec);
98 unsafe fn os_get_time() -> (i64, i32) {
99 static NANOSECONDS_FROM_1601_TO_1970: u64 = 11644473600000000;
101 let mut time = libc::FILETIME {
105 libc::GetSystemTimeAsFileTime(&mut time);
107 // A FILETIME contains a 64-bit value representing the number of
108 // hectonanosecond (100-nanosecond) intervals since 1601-01-01T00:00:00Z.
109 // http://support.microsoft.com/kb/167296/en-us
110 let ns_since_1601 = ((time.dwHighDateTime as u64 << 32) |
111 (time.dwLowDateTime as u64 << 0)) / 10;
112 let ns_since_1970 = ns_since_1601 - NANOSECONDS_FROM_1601_TO_1970;
114 ((ns_since_1970 / 1000000) as i64,
115 ((ns_since_1970 % 1000000) * 1000) as i32)
118 #[cfg(target_os = "macos")]
119 unsafe fn os_get_time() -> (i64, i32) {
121 let mut tv = libc::timeval { tv_sec: 0, tv_usec: 0 };
122 imp::gettimeofday(&mut tv, ptr::mut_null());
123 (tv.tv_sec as i64, tv.tv_usec * 1000)
126 #[cfg(not(target_os = "macos"), not(windows))]
127 unsafe fn os_get_time() -> (i64, i32) {
128 let mut tv = libc::timespec { tv_sec: 0, tv_nsec: 0 };
129 imp::clock_gettime(libc::CLOCK_REALTIME, &mut tv);
130 (tv.tv_sec as i64, tv.tv_nsec as i32)
136 * Returns the current value of a high-resolution performance counter
137 * in nanoseconds since an unspecified epoch.
139 pub fn precise_time_ns() -> u64 {
140 return os_precise_time_ns();
143 fn os_precise_time_ns() -> u64 {
144 let mut ticks_per_s = 0;
146 libc::QueryPerformanceFrequency(&mut ticks_per_s)
148 let ticks_per_s = if ticks_per_s == 0 {1} else {ticks_per_s};
151 libc::QueryPerformanceCounter(&mut ticks)
154 return (ticks as u64 * 1000000000) / (ticks_per_s as u64);
157 #[cfg(target_os = "macos")]
158 fn os_precise_time_ns() -> u64 {
159 let time = unsafe { imp::mach_absolute_time() };
160 let mut info = libc::mach_timebase_info { numer: 0, denom: 0 };
161 unsafe { imp::mach_timebase_info(&mut info); }
162 return time * ((info.numer / info.denom) as u64);
165 #[cfg(not(windows), not(target_os = "macos"))]
166 fn os_precise_time_ns() -> u64 {
167 let mut ts = libc::timespec { tv_sec: 0, tv_nsec: 0 };
169 imp::clock_gettime(libc::CLOCK_MONOTONIC, &mut ts);
171 return (ts.tv_sec as u64) * 1000000000 + (ts.tv_nsec as u64)
177 * Returns the current value of a high-resolution performance counter
178 * in seconds since an unspecified epoch.
180 pub fn precise_time_s() -> f64 {
181 return (precise_time_ns() as f64) / 1000000000.;
186 rustrt::rust_tzset();
190 #[deriving(Clone, Eq, Encodable, Decodable, Show)]
192 tm_sec: i32, // seconds after the minute ~[0-60]
193 tm_min: i32, // minutes after the hour ~[0-59]
194 tm_hour: i32, // hours after midnight ~[0-23]
195 tm_mday: i32, // days of the month ~[1-31]
196 tm_mon: i32, // months since January ~[0-11]
197 tm_year: i32, // years since 1900
198 tm_wday: i32, // days since Sunday ~[0-6]
199 tm_yday: i32, // days since January 1 ~[0-365]
200 tm_isdst: i32, // Daylight Savings Time flag
201 tm_gmtoff: i32, // offset from UTC in seconds
202 tm_zone: ~str, // timezone abbreviation
203 tm_nsec: i32, // nanoseconds
206 pub fn empty_tm() -> Tm {
207 // 64 is the max size of the timezone buffer allocated on windows
208 // in rust_localtime. In glibc the max timezone size is supposedly 3.
209 let zone = str::with_capacity(64);
226 /// Returns the specified time in UTC
227 pub fn at_utc(clock: Timespec) -> Tm {
229 let Timespec { sec, nsec } = clock;
230 let mut tm = empty_tm();
231 rustrt::rust_gmtime(sec, nsec, &mut tm);
236 /// Returns the current time in UTC
237 pub fn now_utc() -> Tm {
241 /// Returns the specified time in the local timezone
242 pub fn at(clock: Timespec) -> Tm {
244 let Timespec { sec, nsec } = clock;
245 let mut tm = empty_tm();
246 rustrt::rust_localtime(sec, nsec, &mut tm);
251 /// Returns the current time in the local timezone
258 /// Convert time to the seconds from January 1, 1970
259 pub fn to_timespec(&self) -> Timespec {
261 let sec = match self.tm_gmtoff {
262 0_i32 => rustrt::rust_timegm(self),
263 _ => rustrt::rust_mktime(self)
266 Timespec::new(sec, self.tm_nsec)
270 /// Convert time to the local timezone
271 pub fn to_local(&self) -> Tm {
272 at(self.to_timespec())
275 /// Convert time to the UTC
276 pub fn to_utc(&self) -> Tm {
277 at_utc(self.to_timespec())
281 * Return a string of the current time in the form
282 * "Thu Jan 1 00:00:00 1970".
284 pub fn ctime(&self) -> ~str { self.strftime("%c") }
286 /// Formats the time according to the format string.
287 pub fn strftime(&self, format: &str) -> ~str {
288 strftime(format, self)
292 * Returns a time string formatted according to RFC 822.
294 * local: "Thu, 22 Mar 2012 07:53:18 PST"
295 * utc: "Thu, 22 Mar 2012 14:53:18 UTC"
297 pub fn rfc822(&self) -> ~str {
298 if self.tm_gmtoff == 0_i32 {
299 self.strftime("%a, %d %b %Y %T GMT")
301 self.strftime("%a, %d %b %Y %T %Z")
306 * Returns a time string formatted according to RFC 822 with Zulu time.
308 * local: "Thu, 22 Mar 2012 07:53:18 -0700"
309 * utc: "Thu, 22 Mar 2012 14:53:18 -0000"
311 pub fn rfc822z(&self) -> ~str {
312 self.strftime("%a, %d %b %Y %T %z")
316 * Returns a time string formatted according to ISO 8601.
318 * local: "2012-02-22T07:53:18-07:00"
319 * utc: "2012-02-22T14:53:18Z"
321 pub fn rfc3339(&self) -> ~str {
322 if self.tm_gmtoff == 0_i32 {
323 self.strftime("%Y-%m-%dT%H:%M:%SZ")
325 let s = self.strftime("%Y-%m-%dT%H:%M:%S");
326 let sign = if self.tm_gmtoff > 0_i32 { '+' } else { '-' };
327 let mut m = num::abs(self.tm_gmtoff) / 60_i32;
330 s + format!("{}{:02d}:{:02d}", sign, h as int, m as int)
335 /// Parses the time from the string according to the format string.
336 pub fn strptime(s: &str, format: &str) -> Result<Tm, ~str> {
337 fn match_str(s: &str, pos: uint, needle: &str) -> bool {
339 for ch in needle.bytes() {
348 fn match_strs(ss: &str, pos: uint, strs: &[(~str, i32)])
349 -> Option<(i32, uint)> {
351 let len = strs.len();
353 match strs[i] { // can't use let due to let-pattern bugs
354 (ref needle, value) => {
355 if match_str(ss, pos, *needle) {
356 return Some((value, pos + needle.len()));
366 fn match_digits(ss: &str, pos: uint, digits: uint, ws: bool)
367 -> Option<(i32, uint)> {
370 let mut value = 0_i32;
377 let range = ss.char_range_at(pos);
382 value = value * 10_i32 + (range.ch as i32 - '0' as i32);
393 fn match_fractional_seconds(ss: &str, pos: uint) -> (i32, uint) {
395 let mut value = 0_i32;
396 let mut multiplier = NSEC_PER_SEC / 10;
403 let range = ss.char_range_at(pos);
408 // This will drop digits after the nanoseconds place
409 let digit = range.ch as i32 - '0' as i32;
410 value += digit * multiplier;
420 fn match_digits_in_range(ss: &str, pos: uint, digits: uint, ws: bool,
421 min: i32, max: i32) -> Option<(i32, uint)> {
422 match match_digits(ss, pos, digits, ws) {
423 Some((val, pos)) if val >= min && val <= max => {
430 fn parse_char(s: &str, pos: uint, c: char) -> Result<uint, ~str> {
431 let range = s.char_range_at(pos);
436 Err(format!("Expected {}, found {}",
438 str::from_char(range.ch)))
442 fn parse_type(s: &str, pos: uint, ch: char, tm: &mut Tm)
443 -> Result<uint, ~str> {
445 'A' => match match_strs(s, pos, [
449 (~"Wednesday", 3_i32),
450 (~"Thursday", 4_i32),
454 Some(item) => { let (v, pos) = item; tm.tm_wday = v; Ok(pos) }
455 None => Err(~"Invalid day")
457 'a' => match match_strs(s, pos, [
466 Some(item) => { let (v, pos) = item; tm.tm_wday = v; Ok(pos) }
467 None => Err(~"Invalid day")
469 'B' => match match_strs(s, pos, [
471 (~"February", 1_i32),
478 (~"September", 8_i32),
480 (~"November", 10_i32),
481 (~"December", 11_i32)
483 Some(item) => { let (v, pos) = item; tm.tm_mon = v; Ok(pos) }
484 None => Err(~"Invalid month")
486 'b' | 'h' => match match_strs(s, pos, [
500 Some(item) => { let (v, pos) = item; tm.tm_mon = v; Ok(pos) }
501 None => Err(~"Invalid month")
503 'C' => match match_digits_in_range(s, pos, 2u, false, 0_i32,
507 tm.tm_year += (v * 100_i32) - 1900_i32;
510 None => Err(~"Invalid year")
513 parse_type(s, pos, 'a', &mut *tm)
514 .and_then(|pos| parse_char(s, pos, ' '))
515 .and_then(|pos| parse_type(s, pos, 'b', &mut *tm))
516 .and_then(|pos| parse_char(s, pos, ' '))
517 .and_then(|pos| parse_type(s, pos, 'e', &mut *tm))
518 .and_then(|pos| parse_char(s, pos, ' '))
519 .and_then(|pos| parse_type(s, pos, 'T', &mut *tm))
520 .and_then(|pos| parse_char(s, pos, ' '))
521 .and_then(|pos| parse_type(s, pos, 'Y', &mut *tm))
524 parse_type(s, pos, 'm', &mut *tm)
525 .and_then(|pos| parse_char(s, pos, '/'))
526 .and_then(|pos| parse_type(s, pos, 'd', &mut *tm))
527 .and_then(|pos| parse_char(s, pos, '/'))
528 .and_then(|pos| parse_type(s, pos, 'y', &mut *tm))
530 'd' => match match_digits_in_range(s, pos, 2u, false, 1_i32,
532 Some(item) => { let (v, pos) = item; tm.tm_mday = v; Ok(pos) }
533 None => Err(~"Invalid day of the month")
535 'e' => match match_digits_in_range(s, pos, 2u, true, 1_i32,
537 Some(item) => { let (v, pos) = item; tm.tm_mday = v; Ok(pos) }
538 None => Err(~"Invalid day of the month")
541 let (val, pos) = match_fractional_seconds(s, pos);
546 parse_type(s, pos, 'Y', &mut *tm)
547 .and_then(|pos| parse_char(s, pos, '-'))
548 .and_then(|pos| parse_type(s, pos, 'm', &mut *tm))
549 .and_then(|pos| parse_char(s, pos, '-'))
550 .and_then(|pos| parse_type(s, pos, 'd', &mut *tm))
553 match match_digits_in_range(s, pos, 2u, false, 0_i32, 23_i32) {
554 Some(item) => { let (v, pos) = item; tm.tm_hour = v; Ok(pos) }
555 None => Err(~"Invalid hour")
559 match match_digits_in_range(s, pos, 2u, false, 1_i32, 12_i32) {
562 tm.tm_hour = if v == 12_i32 { 0_i32 } else { v };
565 None => Err(~"Invalid hour")
569 match match_digits_in_range(s, pos, 3u, false, 1_i32, 366_i32) {
572 tm.tm_yday = v - 1_i32;
575 None => Err(~"Invalid day of year")
579 match match_digits_in_range(s, pos, 2u, true, 0_i32, 23_i32) {
580 Some(item) => { let (v, pos) = item; tm.tm_hour = v; Ok(pos) }
581 None => Err(~"Invalid hour")
585 match match_digits_in_range(s, pos, 2u, true, 1_i32, 12_i32) {
588 tm.tm_hour = if v == 12_i32 { 0_i32 } else { v };
591 None => Err(~"Invalid hour")
595 match match_digits_in_range(s, pos, 2u, false, 0_i32, 59_i32) {
596 Some(item) => { let (v, pos) = item; tm.tm_min = v; Ok(pos) }
597 None => Err(~"Invalid minute")
601 match match_digits_in_range(s, pos, 2u, false, 1_i32, 12_i32) {
604 tm.tm_mon = v - 1_i32;
607 None => Err(~"Invalid month")
610 'n' => parse_char(s, pos, '\n'),
611 'P' => match match_strs(s, pos,
612 [(~"am", 0_i32), (~"pm", 12_i32)]) {
614 Some(item) => { let (v, pos) = item; tm.tm_hour += v; Ok(pos) }
615 None => Err(~"Invalid hour")
617 'p' => match match_strs(s, pos,
618 [(~"AM", 0_i32), (~"PM", 12_i32)]) {
620 Some(item) => { let (v, pos) = item; tm.tm_hour += v; Ok(pos) }
621 None => Err(~"Invalid hour")
624 parse_type(s, pos, 'H', &mut *tm)
625 .and_then(|pos| parse_char(s, pos, ':'))
626 .and_then(|pos| parse_type(s, pos, 'M', &mut *tm))
629 parse_type(s, pos, 'I', &mut *tm)
630 .and_then(|pos| parse_char(s, pos, ':'))
631 .and_then(|pos| parse_type(s, pos, 'M', &mut *tm))
632 .and_then(|pos| parse_char(s, pos, ':'))
633 .and_then(|pos| parse_type(s, pos, 'S', &mut *tm))
634 .and_then(|pos| parse_char(s, pos, ' '))
635 .and_then(|pos| parse_type(s, pos, 'p', &mut *tm))
638 match match_digits_in_range(s, pos, 2u, false, 0_i32, 60_i32) {
644 None => Err(~"Invalid second")
649 parse_type(s, pos, 'H', &mut *tm)
650 .and_then(|pos| parse_char(s, pos, ':'))
651 .and_then(|pos| parse_type(s, pos, 'M', &mut *tm))
652 .and_then(|pos| parse_char(s, pos, ':'))
653 .and_then(|pos| parse_type(s, pos, 'S', &mut *tm))
655 't' => parse_char(s, pos, '\t'),
657 match match_digits_in_range(s, pos, 1u, false, 1_i32, 7_i32) {
660 tm.tm_wday = if v == 7 { 0 } else { v };
663 None => Err(~"Invalid day of week")
667 parse_type(s, pos, 'e', &mut *tm)
668 .and_then(|pos| parse_char(s, pos, '-'))
669 .and_then(|pos| parse_type(s, pos, 'b', &mut *tm))
670 .and_then(|pos| parse_char(s, pos, '-'))
671 .and_then(|pos| parse_type(s, pos, 'Y', &mut *tm))
675 match match_digits_in_range(s, pos, 1u, false, 0_i32, 6_i32) {
676 Some(item) => { let (v, pos) = item; tm.tm_wday = v; Ok(pos) }
677 None => Err(~"Invalid day of week")
681 match match_digits(s, pos, 4u, false) {
684 tm.tm_year = v - 1900_i32;
687 None => Err(~"Invalid year")
691 match match_digits_in_range(s, pos, 2u, false, 0_i32, 99_i32) {
697 None => Err(~"Invalid year")
701 if match_str(s, pos, "UTC") || match_str(s, pos, "GMT") {
702 tm.tm_gmtoff = 0_i32;
706 // It's odd, but to maintain compatibility with c's
707 // strptime we ignore the timezone.
711 let range = s.char_range_at(pos);
713 if range.ch == ' ' { break; }
720 let range = s.char_range_at(pos);
722 if range.ch == '+' || range.ch == '-' {
723 match match_digits(s, range.next, 4u, false) {
727 tm.tm_gmtoff = 0_i32;
733 None => Err(~"Invalid zone offset")
736 Err(~"Invalid zone offset")
739 '%' => parse_char(s, pos, '%'),
741 Err(format!("unknown formatting type: {}", str::from_char(ch)))
746 let mut rdr = BufReader::new(format.as_bytes());
763 let mut result = Err(~"Invalid time");
766 let range = s.char_range_at(pos);
768 let next = range.next;
771 let c = match rdr.read(buf) {
772 Ok(..) => buf[0] as char,
777 let ch = match rdr.read(buf) {
778 Ok(..) => buf[0] as char,
781 match parse_type(s, pos, ch, &mut tm) {
782 Ok(next) => pos = next,
783 Err(e) => { result = Err(e); break; }
793 if pos == len && rdr.tell().unwrap() == format.len() as u64 {
803 tm_isdst: tm.tm_isdst,
804 tm_gmtoff: tm.tm_gmtoff,
805 tm_zone: tm.tm_zone.clone(),
811 /// Formats the time according to the format string.
812 pub fn strftime(format: &str, tm: &Tm) -> ~str {
813 fn days_in_year(year: int) -> i32 {
814 if (year % 4 == 0) && ((year % 100 != 0) || (year % 400 == 0)) {
815 366 /* Days in a leap year */
817 365 /* Days in a non-leap year */
821 fn iso_week_days(yday: i32, wday: i32) -> int {
822 /* The number of days from the first day of the first ISO week of this
823 * year to the year day YDAY with week day WDAY.
824 * ISO weeks start on Monday. The first ISO week has the year's first
826 * YDAY may be as small as yday_minimum.
828 let yday: int = yday as int;
829 let wday: int = wday as int;
830 let iso_week_start_wday: int = 1; /* Monday */
831 let iso_week1_wday: int = 4; /* Thursday */
832 let yday_minimum: int = 366;
833 /* Add enough to the first operand of % to make it nonnegative. */
834 let big_enough_multiple_of_7: int = (yday_minimum / 7 + 2) * 7;
836 yday - (yday - wday + iso_week1_wday + big_enough_multiple_of_7) % 7
837 + iso_week1_wday - iso_week_start_wday
840 fn iso_week(ch:char, tm: &Tm) -> ~str {
841 let mut year: int = tm.tm_year as int + 1900;
842 let mut days: int = iso_week_days (tm.tm_yday, tm.tm_wday);
845 /* This ISO week belongs to the previous year. */
847 days = iso_week_days (tm.tm_yday + (days_in_year(year)), tm.tm_wday);
849 let d: int = iso_week_days (tm.tm_yday - (days_in_year(year)),
852 /* This ISO week belongs to the next year. */
859 'G' => format!("{}", year),
860 'g' => format!("{:02d}", (year % 100 + 100) % 100),
861 'V' => format!("{:02d}", days / 7 + 1),
866 fn parse_type(ch: char, tm: &Tm) -> ~str {
867 let die = || format!("strftime: can't understand this format {} ", ch);
869 'A' => match tm.tm_wday as int {
879 'a' => match tm.tm_wday as int {
889 'B' => match tm.tm_mon as int {
904 'b' | 'h' => match tm.tm_mon as int {
919 'C' => format!("{:02d}", (tm.tm_year as int + 1900) / 100),
921 format!("{} {} {} {} {}",
934 'd' => format!("{:02d}", tm.tm_mday),
935 'e' => format!("{:2d}", tm.tm_mday),
936 'f' => format!("{:09d}", tm.tm_nsec),
943 'G' => iso_week('G', tm),
944 'g' => iso_week('g', tm),
945 'H' => format!("{:02d}", tm.tm_hour),
947 let mut h = tm.tm_hour;
949 if h > 12 { h -= 12 }
952 'j' => format!("{:03d}", tm.tm_yday + 1),
953 'k' => format!("{:2d}", tm.tm_hour),
955 let mut h = tm.tm_hour;
957 if h > 12 { h -= 12 }
960 'M' => format!("{:02d}", tm.tm_min),
961 'm' => format!("{:02d}", tm.tm_mon + 1),
963 'P' => if (tm.tm_hour as int) < 12 { ~"am" } else { ~"pm" },
964 'p' => if (tm.tm_hour as int) < 12 { ~"AM" } else { ~"PM" },
971 format!("{}:{}:{} {}",
977 'S' => format!("{:02d}", tm.tm_sec),
978 's' => format!("{}", tm.to_timespec().sec),
986 'U' => format!("{:02d}", (tm.tm_yday - tm.tm_wday + 7) / 7),
988 let i = tm.tm_wday as int;
989 (if i == 0 { 7 } else { i }).to_str()
991 'V' => iso_week('V', tm),
998 'W' => format!("{:02d}", (tm.tm_yday - (tm.tm_wday - 1 + 7) % 7 + 7)
1000 'w' => (tm.tm_wday as int).to_str(),
1001 'Y' => (tm.tm_year as int + 1900).to_str(),
1002 'y' => format!("{:02d}", (tm.tm_year as int + 1900) % 100),
1003 'Z' => tm.tm_zone.clone(),
1005 let sign = if tm.tm_gmtoff > 0_i32 { '+' } else { '-' };
1006 let mut m = num::abs(tm.tm_gmtoff) / 60_i32;
1009 format!("{}{:02d}{:02d}", sign, h, m)
1011 '+' => tm.rfc3339(),
1019 let mut rdr = BufReader::new(format.as_bytes());
1022 let ch = match rdr.read(b) {
1028 rdr.read(b).unwrap();
1029 let s = parse_type(b[0] as char, tm);
1030 buf.push_all(s.as_bytes());
1032 ch => buf.push(ch as u8)
1036 str::from_utf8_owned(buf).unwrap()
1041 use super::{Timespec, get_time, precise_time_ns, precise_time_s, tzset,
1042 at_utc, at, strptime};
1045 use std::result::{Err, Ok};
1048 fn set_time_zone() {
1050 // Windows crt doesn't see any environment variable set by
1051 // `SetEnvironmentVariable`, which `os::setenv` internally uses.
1052 // It is why we use `putenv` here.
1054 fn _putenv(envstring: *libc::c_char) -> libc::c_int;
1058 // Windows does not understand "America/Los_Angeles".
1059 // PST+08 may look wrong, but not! "PST" indicates
1060 // the name of timezone. "+08" means UTC = local + 08.
1061 "TZ=PST+08".with_c_str(|env| {
1067 #[cfg(not(windows))]
1068 fn set_time_zone() {
1070 os::setenv("TZ", "America/Los_Angeles");
1074 fn test_get_time() {
1075 static SOME_RECENT_DATE: i64 = 1325376000i64; // 2012-01-01T00:00:00Z
1076 static SOME_FUTURE_DATE: i64 = 1577836800i64; // 2020-01-01T00:00:00Z
1078 let tv1 = get_time();
1079 debug!("tv1={:?} sec + {:?} nsec", tv1.sec as uint, tv1.nsec as uint);
1081 assert!(tv1.sec > SOME_RECENT_DATE);
1082 assert!(tv1.nsec < 1000000000i32);
1084 let tv2 = get_time();
1085 debug!("tv2={:?} sec + {:?} nsec", tv2.sec as uint, tv2.nsec as uint);
1087 assert!(tv2.sec >= tv1.sec);
1088 assert!(tv2.sec < SOME_FUTURE_DATE);
1089 assert!(tv2.nsec < 1000000000i32);
1090 if tv2.sec == tv1.sec {
1091 assert!(tv2.nsec >= tv1.nsec);
1095 fn test_precise_time() {
1096 let s0 = precise_time_s();
1097 debug!("s0={} sec", f64::to_str_digits(s0, 9u));
1100 let ns0 = precise_time_ns();
1101 let ns1 = precise_time_ns();
1102 debug!("ns0={:?} ns", ns0);
1103 debug!("ns1={:?} ns", ns1);
1104 assert!(ns1 >= ns0);
1106 let ns2 = precise_time_ns();
1107 debug!("ns2={:?} ns", ns2);
1108 assert!(ns2 >= ns1);
1114 let time = Timespec::new(1234567890, 54321);
1115 let utc = at_utc(time);
1117 assert_eq!(utc.tm_sec, 30_i32);
1118 assert_eq!(utc.tm_min, 31_i32);
1119 assert_eq!(utc.tm_hour, 23_i32);
1120 assert_eq!(utc.tm_mday, 13_i32);
1121 assert_eq!(utc.tm_mon, 1_i32);
1122 assert_eq!(utc.tm_year, 109_i32);
1123 assert_eq!(utc.tm_wday, 5_i32);
1124 assert_eq!(utc.tm_yday, 43_i32);
1125 assert_eq!(utc.tm_isdst, 0_i32);
1126 assert_eq!(utc.tm_gmtoff, 0_i32);
1127 assert_eq!(utc.tm_zone, ~"UTC");
1128 assert_eq!(utc.tm_nsec, 54321_i32);
1134 let time = Timespec::new(1234567890, 54321);
1135 let local = at(time);
1137 debug!("time_at: {:?}", local);
1139 assert_eq!(local.tm_sec, 30_i32);
1140 assert_eq!(local.tm_min, 31_i32);
1141 assert_eq!(local.tm_hour, 15_i32);
1142 assert_eq!(local.tm_mday, 13_i32);
1143 assert_eq!(local.tm_mon, 1_i32);
1144 assert_eq!(local.tm_year, 109_i32);
1145 assert_eq!(local.tm_wday, 5_i32);
1146 assert_eq!(local.tm_yday, 43_i32);
1147 assert_eq!(local.tm_isdst, 0_i32);
1148 assert_eq!(local.tm_gmtoff, -28800_i32);
1150 // FIXME (#2350): We should probably standardize on the timezone
1152 let zone = &local.tm_zone;
1153 assert!(*zone == ~"PST" || *zone == ~"Pacific Standard Time");
1155 assert_eq!(local.tm_nsec, 54321_i32);
1158 fn test_to_timespec() {
1161 let time = Timespec::new(1234567890, 54321);
1162 let utc = at_utc(time);
1164 assert_eq!(utc.to_timespec(), time);
1165 assert_eq!(utc.to_local().to_timespec(), time);
1168 fn test_conversions() {
1171 let time = Timespec::new(1234567890, 54321);
1172 let utc = at_utc(time);
1173 let local = at(time);
1175 assert!(local.to_local() == local);
1176 assert!(local.to_utc() == utc);
1177 assert!(local.to_utc().to_local() == local);
1178 assert!(utc.to_utc() == utc);
1179 assert!(utc.to_local() == local);
1180 assert!(utc.to_local().to_utc() == utc);
1183 fn test_strptime() {
1186 match strptime("", "") {
1188 assert!(tm.tm_sec == 0_i32);
1189 assert!(tm.tm_min == 0_i32);
1190 assert!(tm.tm_hour == 0_i32);
1191 assert!(tm.tm_mday == 0_i32);
1192 assert!(tm.tm_mon == 0_i32);
1193 assert!(tm.tm_year == 0_i32);
1194 assert!(tm.tm_wday == 0_i32);
1195 assert!(tm.tm_isdst == 0_i32);
1196 assert!(tm.tm_gmtoff == 0_i32);
1197 assert!(tm.tm_zone == ~"");
1198 assert!(tm.tm_nsec == 0_i32);
1203 let format = "%a %b %e %T.%f %Y";
1204 assert_eq!(strptime("", format), Err(~"Invalid time"));
1205 assert!(strptime("Fri Feb 13 15:31:30", format)
1206 == Err(~"Invalid time"));
1208 match strptime("Fri Feb 13 15:31:30.01234 2009", format) {
1211 assert!(tm.tm_sec == 30_i32);
1212 assert!(tm.tm_min == 31_i32);
1213 assert!(tm.tm_hour == 15_i32);
1214 assert!(tm.tm_mday == 13_i32);
1215 assert!(tm.tm_mon == 1_i32);
1216 assert!(tm.tm_year == 109_i32);
1217 assert!(tm.tm_wday == 5_i32);
1218 assert!(tm.tm_yday == 0_i32);
1219 assert!(tm.tm_isdst == 0_i32);
1220 assert!(tm.tm_gmtoff == 0_i32);
1221 assert!(tm.tm_zone == ~"");
1222 assert!(tm.tm_nsec == 12340000_i32);
1226 fn test(s: &str, format: &str) -> bool {
1227 match strptime(s, format) {
1228 Ok(ref tm) => tm.strftime(format) == s.to_owned(),
1242 for day in days.iter() {
1243 assert!(test(*day, "%A"));
1255 for day in days.iter() {
1256 assert!(test(*day, "%a"));
1273 for day in months.iter() {
1274 assert!(test(*day, "%B"));
1291 for day in months.iter() {
1292 assert!(test(*day, "%b"));
1295 assert!(test("19", "%C"));
1296 assert!(test("Fri Feb 13 23:31:30 2009", "%c"));
1297 assert!(test("02/13/09", "%D"));
1298 assert!(test("03", "%d"));
1299 assert!(test("13", "%d"));
1300 assert!(test(" 3", "%e"));
1301 assert!(test("13", "%e"));
1302 assert!(test("2009-02-13", "%F"));
1303 assert!(test("03", "%H"));
1304 assert!(test("13", "%H"));
1305 assert!(test("03", "%I")); // FIXME (#2350): flesh out
1306 assert!(test("11", "%I")); // FIXME (#2350): flesh out
1307 assert!(test("044", "%j"));
1308 assert!(test(" 3", "%k"));
1309 assert!(test("13", "%k"));
1310 assert!(test(" 1", "%l"));
1311 assert!(test("11", "%l"));
1312 assert!(test("03", "%M"));
1313 assert!(test("13", "%M"));
1314 assert!(test("\n", "%n"));
1315 assert!(test("am", "%P"));
1316 assert!(test("pm", "%P"));
1317 assert!(test("AM", "%p"));
1318 assert!(test("PM", "%p"));
1319 assert!(test("23:31", "%R"));
1320 assert!(test("11:31:30 AM", "%r"));
1321 assert!(test("11:31:30 PM", "%r"));
1322 assert!(test("03", "%S"));
1323 assert!(test("13", "%S"));
1324 assert!(test("15:31:30", "%T"));
1325 assert!(test("\t", "%t"));
1326 assert!(test("1", "%u"));
1327 assert!(test("7", "%u"));
1328 assert!(test("13-Feb-2009", "%v"));
1329 assert!(test("0", "%w"));
1330 assert!(test("6", "%w"));
1331 assert!(test("2009", "%Y"));
1332 assert!(test("09", "%y"));
1333 assert!(strptime("UTC", "%Z").unwrap().tm_zone ==
1335 assert!(strptime("PST", "%Z").unwrap().tm_zone ==
1337 assert!(strptime("-0000", "%z").unwrap().tm_gmtoff ==
1339 assert!(strptime("-0800", "%z").unwrap().tm_gmtoff ==
1341 assert!(test("%", "%%"));
1344 assert_eq!(strptime("360", "%Y-%m-%d"), Err(~"Invalid year"))
1350 let time = Timespec::new(1234567890, 54321);
1351 let utc = at_utc(time);
1352 let local = at(time);
1354 debug!("test_ctime: {:?} {:?}", utc.ctime(), local.ctime());
1356 assert_eq!(utc.ctime(), ~"Fri Feb 13 23:31:30 2009");
1357 assert_eq!(local.ctime(), ~"Fri Feb 13 15:31:30 2009");
1360 fn test_strftime() {
1363 let time = Timespec::new(1234567890, 54321);
1364 let utc = at_utc(time);
1365 let local = at(time);
1367 assert_eq!(local.strftime(""), ~"");
1368 assert_eq!(local.strftime("%A"), ~"Friday");
1369 assert_eq!(local.strftime("%a"), ~"Fri");
1370 assert_eq!(local.strftime("%B"), ~"February");
1371 assert_eq!(local.strftime("%b"), ~"Feb");
1372 assert_eq!(local.strftime("%C"), ~"20");
1373 assert_eq!(local.strftime("%c"), ~"Fri Feb 13 15:31:30 2009");
1374 assert_eq!(local.strftime("%D"), ~"02/13/09");
1375 assert_eq!(local.strftime("%d"), ~"13");
1376 assert_eq!(local.strftime("%e"), ~"13");
1377 assert_eq!(local.strftime("%f"), ~"000054321");
1378 assert_eq!(local.strftime("%F"), ~"2009-02-13");
1379 assert_eq!(local.strftime("%G"), ~"2009");
1380 assert_eq!(local.strftime("%g"), ~"09");
1381 assert_eq!(local.strftime("%H"), ~"15");
1382 assert_eq!(local.strftime("%I"), ~"03");
1383 assert_eq!(local.strftime("%j"), ~"044");
1384 assert_eq!(local.strftime("%k"), ~"15");
1385 assert_eq!(local.strftime("%l"), ~" 3");
1386 assert_eq!(local.strftime("%M"), ~"31");
1387 assert_eq!(local.strftime("%m"), ~"02");
1388 assert_eq!(local.strftime("%n"), ~"\n");
1389 assert_eq!(local.strftime("%P"), ~"pm");
1390 assert_eq!(local.strftime("%p"), ~"PM");
1391 assert_eq!(local.strftime("%R"), ~"15:31");
1392 assert_eq!(local.strftime("%r"), ~"03:31:30 PM");
1393 assert_eq!(local.strftime("%S"), ~"30");
1394 assert_eq!(local.strftime("%s"), ~"1234567890");
1395 assert_eq!(local.strftime("%T"), ~"15:31:30");
1396 assert_eq!(local.strftime("%t"), ~"\t");
1397 assert_eq!(local.strftime("%U"), ~"06");
1398 assert_eq!(local.strftime("%u"), ~"5");
1399 assert_eq!(local.strftime("%V"), ~"07");
1400 assert_eq!(local.strftime("%v"), ~"13-Feb-2009");
1401 assert_eq!(local.strftime("%W"), ~"06");
1402 assert_eq!(local.strftime("%w"), ~"5");
1403 assert_eq!(local.strftime("%X"), ~"15:31:30"); // FIXME (#2350): support locale
1404 assert_eq!(local.strftime("%x"), ~"02/13/09"); // FIXME (#2350): support locale
1405 assert_eq!(local.strftime("%Y"), ~"2009");
1406 assert_eq!(local.strftime("%y"), ~"09");
1407 assert_eq!(local.strftime("%+"), ~"2009-02-13T15:31:30-08:00");
1409 // FIXME (#2350): We should probably standardize on the timezone
1411 let zone = local.strftime("%Z");
1412 assert!(zone == ~"PST" || zone == ~"Pacific Standard Time");
1414 assert_eq!(local.strftime("%z"), ~"-0800");
1415 assert_eq!(local.strftime("%%"), ~"%");
1417 // FIXME (#2350): We should probably standardize on the timezone
1419 let rfc822 = local.rfc822();
1420 let prefix = ~"Fri, 13 Feb 2009 15:31:30 ";
1421 assert!(rfc822 == prefix + "PST" || rfc822 == prefix + "Pacific Standard Time");
1423 assert_eq!(local.ctime(), ~"Fri Feb 13 15:31:30 2009");
1424 assert_eq!(local.rfc822z(), ~"Fri, 13 Feb 2009 15:31:30 -0800");
1425 assert_eq!(local.rfc3339(), ~"2009-02-13T15:31:30-08:00");
1427 assert_eq!(utc.ctime(), ~"Fri Feb 13 23:31:30 2009");
1428 assert_eq!(utc.rfc822(), ~"Fri, 13 Feb 2009 23:31:30 GMT");
1429 assert_eq!(utc.rfc822z(), ~"Fri, 13 Feb 2009 23:31:30 -0000");
1430 assert_eq!(utc.rfc3339(), ~"2009-02-13T23:31:30Z");
1433 fn test_timespec_eq_ord() {
1434 let a = &Timespec::new(-2, 1);
1435 let b = &Timespec::new(-1, 2);
1436 let c = &Timespec::new(1, 2);
1437 let d = &Timespec::new(2, 1);
1438 let e = &Timespec::new(2, 1);
1465 #[ignore(cfg(target_os = "android"))] // FIXME #10958
1467 // The tests race on tzset. So instead of having many independent
1468 // tests, we will just call the functions now.
1470 test_precise_time();
1478 test_timespec_eq_ord();