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-rw-r--r--third_party/rust/nix/src/sys/time.rs811
1 files changed, 811 insertions, 0 deletions
diff --git a/third_party/rust/nix/src/sys/time.rs b/third_party/rust/nix/src/sys/time.rs
new file mode 100644
index 0000000000..0042c45084
--- /dev/null
+++ b/third_party/rust/nix/src/sys/time.rs
@@ -0,0 +1,811 @@
+#[cfg_attr(target_env = "musl", allow(deprecated))]
+// https://github.com/rust-lang/libc/issues/1848
+pub use libc::{suseconds_t, time_t};
+use libc::{timespec, timeval};
+use std::convert::From;
+use std::time::Duration;
+use std::{cmp, fmt, ops};
+
+const fn zero_init_timespec() -> timespec {
+ // `std::mem::MaybeUninit::zeroed()` is not yet a const fn
+ // (https://github.com/rust-lang/rust/issues/91850) so we will instead initialize an array of
+ // the appropriate size to zero and then transmute it to a timespec value.
+ unsafe { std::mem::transmute([0u8; std::mem::size_of::<timespec>()]) }
+}
+
+#[cfg(any(
+ all(feature = "time", any(target_os = "android", target_os = "linux")),
+ all(
+ any(
+ target_os = "freebsd",
+ target_os = "illumos",
+ target_os = "linux",
+ target_os = "netbsd"
+ ),
+ feature = "time",
+ feature = "signal"
+ )
+))]
+pub(crate) mod timer {
+ use crate::sys::time::{zero_init_timespec, TimeSpec};
+ use bitflags::bitflags;
+
+ #[derive(Debug, Clone, Copy)]
+ pub(crate) struct TimerSpec(libc::itimerspec);
+
+ impl TimerSpec {
+ pub const fn none() -> Self {
+ Self(libc::itimerspec {
+ it_interval: zero_init_timespec(),
+ it_value: zero_init_timespec(),
+ })
+ }
+ }
+
+ impl AsMut<libc::itimerspec> for TimerSpec {
+ fn as_mut(&mut self) -> &mut libc::itimerspec {
+ &mut self.0
+ }
+ }
+
+ impl AsRef<libc::itimerspec> for TimerSpec {
+ fn as_ref(&self) -> &libc::itimerspec {
+ &self.0
+ }
+ }
+
+ impl From<Expiration> for TimerSpec {
+ fn from(expiration: Expiration) -> TimerSpec {
+ match expiration {
+ Expiration::OneShot(t) => TimerSpec(libc::itimerspec {
+ it_interval: zero_init_timespec(),
+ it_value: *t.as_ref(),
+ }),
+ Expiration::IntervalDelayed(start, interval) => {
+ TimerSpec(libc::itimerspec {
+ it_interval: *interval.as_ref(),
+ it_value: *start.as_ref(),
+ })
+ }
+ Expiration::Interval(t) => TimerSpec(libc::itimerspec {
+ it_interval: *t.as_ref(),
+ it_value: *t.as_ref(),
+ }),
+ }
+ }
+ }
+
+ /// An enumeration allowing the definition of the expiration time of an alarm,
+ /// recurring or not.
+ #[derive(Debug, Clone, Copy, Eq, PartialEq)]
+ pub enum Expiration {
+ /// Alarm will trigger once after the time given in `TimeSpec`
+ OneShot(TimeSpec),
+ /// Alarm will trigger after a specified delay and then every interval of
+ /// time.
+ IntervalDelayed(TimeSpec, TimeSpec),
+ /// Alarm will trigger every specified interval of time.
+ Interval(TimeSpec),
+ }
+
+ #[cfg(any(target_os = "android", target_os = "linux"))]
+ bitflags! {
+ /// Flags that are used for arming the timer.
+ pub struct TimerSetTimeFlags: libc::c_int {
+ const TFD_TIMER_ABSTIME = libc::TFD_TIMER_ABSTIME;
+ }
+ }
+ #[cfg(any(
+ target_os = "freebsd",
+ target_os = "netbsd",
+ target_os = "dragonfly",
+ target_os = "illumos"
+ ))]
+ bitflags! {
+ /// Flags that are used for arming the timer.
+ pub struct TimerSetTimeFlags: libc::c_int {
+ const TFD_TIMER_ABSTIME = libc::TIMER_ABSTIME;
+ }
+ }
+
+ impl From<TimerSpec> for Expiration {
+ fn from(timerspec: TimerSpec) -> Expiration {
+ match timerspec {
+ TimerSpec(libc::itimerspec {
+ it_interval:
+ libc::timespec {
+ tv_sec: 0,
+ tv_nsec: 0,
+ ..
+ },
+ it_value: ts,
+ }) => Expiration::OneShot(ts.into()),
+ TimerSpec(libc::itimerspec {
+ it_interval: int_ts,
+ it_value: val_ts,
+ }) => {
+ if (int_ts.tv_sec == val_ts.tv_sec)
+ && (int_ts.tv_nsec == val_ts.tv_nsec)
+ {
+ Expiration::Interval(int_ts.into())
+ } else {
+ Expiration::IntervalDelayed(
+ val_ts.into(),
+ int_ts.into(),
+ )
+ }
+ }
+ }
+ }
+ }
+}
+
+pub trait TimeValLike: Sized {
+ #[inline]
+ fn zero() -> Self {
+ Self::seconds(0)
+ }
+
+ #[inline]
+ fn hours(hours: i64) -> Self {
+ let secs = hours
+ .checked_mul(SECS_PER_HOUR)
+ .expect("TimeValLike::hours ouf of bounds");
+ Self::seconds(secs)
+ }
+
+ #[inline]
+ fn minutes(minutes: i64) -> Self {
+ let secs = minutes
+ .checked_mul(SECS_PER_MINUTE)
+ .expect("TimeValLike::minutes out of bounds");
+ Self::seconds(secs)
+ }
+
+ fn seconds(seconds: i64) -> Self;
+ fn milliseconds(milliseconds: i64) -> Self;
+ fn microseconds(microseconds: i64) -> Self;
+ fn nanoseconds(nanoseconds: i64) -> Self;
+
+ #[inline]
+ fn num_hours(&self) -> i64 {
+ self.num_seconds() / 3600
+ }
+
+ #[inline]
+ fn num_minutes(&self) -> i64 {
+ self.num_seconds() / 60
+ }
+
+ fn num_seconds(&self) -> i64;
+ fn num_milliseconds(&self) -> i64;
+ fn num_microseconds(&self) -> i64;
+ fn num_nanoseconds(&self) -> i64;
+}
+
+#[repr(C)]
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
+pub struct TimeSpec(timespec);
+
+const NANOS_PER_SEC: i64 = 1_000_000_000;
+const SECS_PER_MINUTE: i64 = 60;
+const SECS_PER_HOUR: i64 = 3600;
+
+#[cfg(target_pointer_width = "64")]
+const TS_MAX_SECONDS: i64 = (i64::MAX / NANOS_PER_SEC) - 1;
+
+#[cfg(target_pointer_width = "32")]
+const TS_MAX_SECONDS: i64 = isize::MAX as i64;
+
+const TS_MIN_SECONDS: i64 = -TS_MAX_SECONDS;
+
+// x32 compatibility
+// See https://sourceware.org/bugzilla/show_bug.cgi?id=16437
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
+type timespec_tv_nsec_t = i64;
+#[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
+type timespec_tv_nsec_t = libc::c_long;
+
+impl From<timespec> for TimeSpec {
+ fn from(ts: timespec) -> Self {
+ Self(ts)
+ }
+}
+
+impl From<Duration> for TimeSpec {
+ fn from(duration: Duration) -> Self {
+ Self::from_duration(duration)
+ }
+}
+
+impl From<TimeSpec> for Duration {
+ fn from(timespec: TimeSpec) -> Self {
+ Duration::new(timespec.0.tv_sec as u64, timespec.0.tv_nsec as u32)
+ }
+}
+
+impl AsRef<timespec> for TimeSpec {
+ fn as_ref(&self) -> &timespec {
+ &self.0
+ }
+}
+
+impl AsMut<timespec> for TimeSpec {
+ fn as_mut(&mut self) -> &mut timespec {
+ &mut self.0
+ }
+}
+
+impl Ord for TimeSpec {
+ // The implementation of cmp is simplified by assuming that the struct is
+ // normalized. That is, tv_nsec must always be within [0, 1_000_000_000)
+ fn cmp(&self, other: &TimeSpec) -> cmp::Ordering {
+ if self.tv_sec() == other.tv_sec() {
+ self.tv_nsec().cmp(&other.tv_nsec())
+ } else {
+ self.tv_sec().cmp(&other.tv_sec())
+ }
+ }
+}
+
+impl PartialOrd for TimeSpec {
+ fn partial_cmp(&self, other: &TimeSpec) -> Option<cmp::Ordering> {
+ Some(self.cmp(other))
+ }
+}
+
+impl TimeValLike for TimeSpec {
+ #[inline]
+ #[cfg_attr(target_env = "musl", allow(deprecated))]
+ // https://github.com/rust-lang/libc/issues/1848
+ fn seconds(seconds: i64) -> TimeSpec {
+ assert!(
+ (TS_MIN_SECONDS..=TS_MAX_SECONDS).contains(&seconds),
+ "TimeSpec out of bounds; seconds={}",
+ seconds
+ );
+ let mut ts = zero_init_timespec();
+ ts.tv_sec = seconds as time_t;
+ TimeSpec(ts)
+ }
+
+ #[inline]
+ fn milliseconds(milliseconds: i64) -> TimeSpec {
+ let nanoseconds = milliseconds
+ .checked_mul(1_000_000)
+ .expect("TimeSpec::milliseconds out of bounds");
+
+ TimeSpec::nanoseconds(nanoseconds)
+ }
+
+ /// Makes a new `TimeSpec` with given number of microseconds.
+ #[inline]
+ fn microseconds(microseconds: i64) -> TimeSpec {
+ let nanoseconds = microseconds
+ .checked_mul(1_000)
+ .expect("TimeSpec::milliseconds out of bounds");
+
+ TimeSpec::nanoseconds(nanoseconds)
+ }
+
+ /// Makes a new `TimeSpec` with given number of nanoseconds.
+ #[inline]
+ #[cfg_attr(target_env = "musl", allow(deprecated))]
+ // https://github.com/rust-lang/libc/issues/1848
+ fn nanoseconds(nanoseconds: i64) -> TimeSpec {
+ let (secs, nanos) = div_mod_floor_64(nanoseconds, NANOS_PER_SEC);
+ assert!(
+ (TS_MIN_SECONDS..=TS_MAX_SECONDS).contains(&secs),
+ "TimeSpec out of bounds"
+ );
+ let mut ts = zero_init_timespec();
+ ts.tv_sec = secs as time_t;
+ ts.tv_nsec = nanos as timespec_tv_nsec_t;
+ TimeSpec(ts)
+ }
+
+ // The cast is not unnecessary on all platforms.
+ #[allow(clippy::unnecessary_cast)]
+ fn num_seconds(&self) -> i64 {
+ if self.tv_sec() < 0 && self.tv_nsec() > 0 {
+ (self.tv_sec() + 1) as i64
+ } else {
+ self.tv_sec() as i64
+ }
+ }
+
+ fn num_milliseconds(&self) -> i64 {
+ self.num_nanoseconds() / 1_000_000
+ }
+
+ fn num_microseconds(&self) -> i64 {
+ self.num_nanoseconds() / 1_000
+ }
+
+ // The cast is not unnecessary on all platforms.
+ #[allow(clippy::unnecessary_cast)]
+ fn num_nanoseconds(&self) -> i64 {
+ let secs = self.num_seconds() * 1_000_000_000;
+ let nsec = self.nanos_mod_sec();
+ secs + nsec as i64
+ }
+}
+
+impl TimeSpec {
+ /// Construct a new `TimeSpec` from its components
+ #[cfg_attr(target_env = "musl", allow(deprecated))] // https://github.com/rust-lang/libc/issues/1848
+ pub const fn new(seconds: time_t, nanoseconds: timespec_tv_nsec_t) -> Self {
+ let mut ts = zero_init_timespec();
+ ts.tv_sec = seconds;
+ ts.tv_nsec = nanoseconds;
+ Self(ts)
+ }
+
+ fn nanos_mod_sec(&self) -> timespec_tv_nsec_t {
+ if self.tv_sec() < 0 && self.tv_nsec() > 0 {
+ self.tv_nsec() - NANOS_PER_SEC as timespec_tv_nsec_t
+ } else {
+ self.tv_nsec()
+ }
+ }
+
+ #[cfg_attr(target_env = "musl", allow(deprecated))] // https://github.com/rust-lang/libc/issues/1848
+ pub const fn tv_sec(&self) -> time_t {
+ self.0.tv_sec
+ }
+
+ pub const fn tv_nsec(&self) -> timespec_tv_nsec_t {
+ self.0.tv_nsec
+ }
+
+ #[cfg_attr(target_env = "musl", allow(deprecated))]
+ // https://github.com/rust-lang/libc/issues/1848
+ pub const fn from_duration(duration: Duration) -> Self {
+ let mut ts = zero_init_timespec();
+ ts.tv_sec = duration.as_secs() as time_t;
+ ts.tv_nsec = duration.subsec_nanos() as timespec_tv_nsec_t;
+ TimeSpec(ts)
+ }
+
+ pub const fn from_timespec(timespec: timespec) -> Self {
+ Self(timespec)
+ }
+}
+
+impl ops::Neg for TimeSpec {
+ type Output = TimeSpec;
+
+ fn neg(self) -> TimeSpec {
+ TimeSpec::nanoseconds(-self.num_nanoseconds())
+ }
+}
+
+impl ops::Add for TimeSpec {
+ type Output = TimeSpec;
+
+ fn add(self, rhs: TimeSpec) -> TimeSpec {
+ TimeSpec::nanoseconds(self.num_nanoseconds() + rhs.num_nanoseconds())
+ }
+}
+
+impl ops::Sub for TimeSpec {
+ type Output = TimeSpec;
+
+ fn sub(self, rhs: TimeSpec) -> TimeSpec {
+ TimeSpec::nanoseconds(self.num_nanoseconds() - rhs.num_nanoseconds())
+ }
+}
+
+impl ops::Mul<i32> for TimeSpec {
+ type Output = TimeSpec;
+
+ fn mul(self, rhs: i32) -> TimeSpec {
+ let usec = self
+ .num_nanoseconds()
+ .checked_mul(i64::from(rhs))
+ .expect("TimeSpec multiply out of bounds");
+
+ TimeSpec::nanoseconds(usec)
+ }
+}
+
+impl ops::Div<i32> for TimeSpec {
+ type Output = TimeSpec;
+
+ fn div(self, rhs: i32) -> TimeSpec {
+ let usec = self.num_nanoseconds() / i64::from(rhs);
+ TimeSpec::nanoseconds(usec)
+ }
+}
+
+impl fmt::Display for TimeSpec {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ let (abs, sign) = if self.tv_sec() < 0 {
+ (-*self, "-")
+ } else {
+ (*self, "")
+ };
+
+ let sec = abs.tv_sec();
+
+ write!(f, "{}", sign)?;
+
+ if abs.tv_nsec() == 0 {
+ if abs.tv_sec() == 1 {
+ write!(f, "{} second", sec)?;
+ } else {
+ write!(f, "{} seconds", sec)?;
+ }
+ } else if abs.tv_nsec() % 1_000_000 == 0 {
+ write!(f, "{}.{:03} seconds", sec, abs.tv_nsec() / 1_000_000)?;
+ } else if abs.tv_nsec() % 1_000 == 0 {
+ write!(f, "{}.{:06} seconds", sec, abs.tv_nsec() / 1_000)?;
+ } else {
+ write!(f, "{}.{:09} seconds", sec, abs.tv_nsec())?;
+ }
+
+ Ok(())
+ }
+}
+
+#[repr(transparent)]
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
+pub struct TimeVal(timeval);
+
+const MICROS_PER_SEC: i64 = 1_000_000;
+
+#[cfg(target_pointer_width = "64")]
+const TV_MAX_SECONDS: i64 = (i64::MAX / MICROS_PER_SEC) - 1;
+
+#[cfg(target_pointer_width = "32")]
+const TV_MAX_SECONDS: i64 = isize::MAX as i64;
+
+const TV_MIN_SECONDS: i64 = -TV_MAX_SECONDS;
+
+impl AsRef<timeval> for TimeVal {
+ fn as_ref(&self) -> &timeval {
+ &self.0
+ }
+}
+
+impl AsMut<timeval> for TimeVal {
+ fn as_mut(&mut self) -> &mut timeval {
+ &mut self.0
+ }
+}
+
+impl Ord for TimeVal {
+ // The implementation of cmp is simplified by assuming that the struct is
+ // normalized. That is, tv_usec must always be within [0, 1_000_000)
+ fn cmp(&self, other: &TimeVal) -> cmp::Ordering {
+ if self.tv_sec() == other.tv_sec() {
+ self.tv_usec().cmp(&other.tv_usec())
+ } else {
+ self.tv_sec().cmp(&other.tv_sec())
+ }
+ }
+}
+
+impl PartialOrd for TimeVal {
+ fn partial_cmp(&self, other: &TimeVal) -> Option<cmp::Ordering> {
+ Some(self.cmp(other))
+ }
+}
+
+impl TimeValLike for TimeVal {
+ #[inline]
+ fn seconds(seconds: i64) -> TimeVal {
+ assert!(
+ (TV_MIN_SECONDS..=TV_MAX_SECONDS).contains(&seconds),
+ "TimeVal out of bounds; seconds={}",
+ seconds
+ );
+ #[cfg_attr(target_env = "musl", allow(deprecated))]
+ // https://github.com/rust-lang/libc/issues/1848
+ TimeVal(timeval {
+ tv_sec: seconds as time_t,
+ tv_usec: 0,
+ })
+ }
+
+ #[inline]
+ fn milliseconds(milliseconds: i64) -> TimeVal {
+ let microseconds = milliseconds
+ .checked_mul(1_000)
+ .expect("TimeVal::milliseconds out of bounds");
+
+ TimeVal::microseconds(microseconds)
+ }
+
+ /// Makes a new `TimeVal` with given number of microseconds.
+ #[inline]
+ fn microseconds(microseconds: i64) -> TimeVal {
+ let (secs, micros) = div_mod_floor_64(microseconds, MICROS_PER_SEC);
+ assert!(
+ (TV_MIN_SECONDS..=TV_MAX_SECONDS).contains(&secs),
+ "TimeVal out of bounds"
+ );
+ #[cfg_attr(target_env = "musl", allow(deprecated))]
+ // https://github.com/rust-lang/libc/issues/1848
+ TimeVal(timeval {
+ tv_sec: secs as time_t,
+ tv_usec: micros as suseconds_t,
+ })
+ }
+
+ /// Makes a new `TimeVal` with given number of nanoseconds. Some precision
+ /// will be lost
+ #[inline]
+ fn nanoseconds(nanoseconds: i64) -> TimeVal {
+ let microseconds = nanoseconds / 1000;
+ let (secs, micros) = div_mod_floor_64(microseconds, MICROS_PER_SEC);
+ assert!(
+ (TV_MIN_SECONDS..=TV_MAX_SECONDS).contains(&secs),
+ "TimeVal out of bounds"
+ );
+ #[cfg_attr(target_env = "musl", allow(deprecated))]
+ // https://github.com/rust-lang/libc/issues/1848
+ TimeVal(timeval {
+ tv_sec: secs as time_t,
+ tv_usec: micros as suseconds_t,
+ })
+ }
+
+ // The cast is not unnecessary on all platforms.
+ #[allow(clippy::unnecessary_cast)]
+ fn num_seconds(&self) -> i64 {
+ if self.tv_sec() < 0 && self.tv_usec() > 0 {
+ (self.tv_sec() + 1) as i64
+ } else {
+ self.tv_sec() as i64
+ }
+ }
+
+ fn num_milliseconds(&self) -> i64 {
+ self.num_microseconds() / 1_000
+ }
+
+ // The cast is not unnecessary on all platforms.
+ #[allow(clippy::unnecessary_cast)]
+ fn num_microseconds(&self) -> i64 {
+ let secs = self.num_seconds() * 1_000_000;
+ let usec = self.micros_mod_sec();
+ secs + usec as i64
+ }
+
+ fn num_nanoseconds(&self) -> i64 {
+ self.num_microseconds() * 1_000
+ }
+}
+
+impl TimeVal {
+ /// Construct a new `TimeVal` from its components
+ #[cfg_attr(target_env = "musl", allow(deprecated))] // https://github.com/rust-lang/libc/issues/1848
+ pub const fn new(seconds: time_t, microseconds: suseconds_t) -> Self {
+ Self(timeval {
+ tv_sec: seconds,
+ tv_usec: microseconds,
+ })
+ }
+
+ fn micros_mod_sec(&self) -> suseconds_t {
+ if self.tv_sec() < 0 && self.tv_usec() > 0 {
+ self.tv_usec() - MICROS_PER_SEC as suseconds_t
+ } else {
+ self.tv_usec()
+ }
+ }
+
+ #[cfg_attr(target_env = "musl", allow(deprecated))] // https://github.com/rust-lang/libc/issues/1848
+ pub const fn tv_sec(&self) -> time_t {
+ self.0.tv_sec
+ }
+
+ pub const fn tv_usec(&self) -> suseconds_t {
+ self.0.tv_usec
+ }
+}
+
+impl ops::Neg for TimeVal {
+ type Output = TimeVal;
+
+ fn neg(self) -> TimeVal {
+ TimeVal::microseconds(-self.num_microseconds())
+ }
+}
+
+impl ops::Add for TimeVal {
+ type Output = TimeVal;
+
+ fn add(self, rhs: TimeVal) -> TimeVal {
+ TimeVal::microseconds(self.num_microseconds() + rhs.num_microseconds())
+ }
+}
+
+impl ops::Sub for TimeVal {
+ type Output = TimeVal;
+
+ fn sub(self, rhs: TimeVal) -> TimeVal {
+ TimeVal::microseconds(self.num_microseconds() - rhs.num_microseconds())
+ }
+}
+
+impl ops::Mul<i32> for TimeVal {
+ type Output = TimeVal;
+
+ fn mul(self, rhs: i32) -> TimeVal {
+ let usec = self
+ .num_microseconds()
+ .checked_mul(i64::from(rhs))
+ .expect("TimeVal multiply out of bounds");
+
+ TimeVal::microseconds(usec)
+ }
+}
+
+impl ops::Div<i32> for TimeVal {
+ type Output = TimeVal;
+
+ fn div(self, rhs: i32) -> TimeVal {
+ let usec = self.num_microseconds() / i64::from(rhs);
+ TimeVal::microseconds(usec)
+ }
+}
+
+impl fmt::Display for TimeVal {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ let (abs, sign) = if self.tv_sec() < 0 {
+ (-*self, "-")
+ } else {
+ (*self, "")
+ };
+
+ let sec = abs.tv_sec();
+
+ write!(f, "{}", sign)?;
+
+ if abs.tv_usec() == 0 {
+ if abs.tv_sec() == 1 {
+ write!(f, "{} second", sec)?;
+ } else {
+ write!(f, "{} seconds", sec)?;
+ }
+ } else if abs.tv_usec() % 1000 == 0 {
+ write!(f, "{}.{:03} seconds", sec, abs.tv_usec() / 1000)?;
+ } else {
+ write!(f, "{}.{:06} seconds", sec, abs.tv_usec())?;
+ }
+
+ Ok(())
+ }
+}
+
+impl From<timeval> for TimeVal {
+ fn from(tv: timeval) -> Self {
+ TimeVal(tv)
+ }
+}
+
+#[inline]
+fn div_mod_floor_64(this: i64, other: i64) -> (i64, i64) {
+ (div_floor_64(this, other), mod_floor_64(this, other))
+}
+
+#[inline]
+fn div_floor_64(this: i64, other: i64) -> i64 {
+ match div_rem_64(this, other) {
+ (d, r) if (r > 0 && other < 0) || (r < 0 && other > 0) => d - 1,
+ (d, _) => d,
+ }
+}
+
+#[inline]
+fn mod_floor_64(this: i64, other: i64) -> i64 {
+ match this % other {
+ r if (r > 0 && other < 0) || (r < 0 && other > 0) => r + other,
+ r => r,
+ }
+}
+
+#[inline]
+fn div_rem_64(this: i64, other: i64) -> (i64, i64) {
+ (this / other, this % other)
+}
+
+#[cfg(test)]
+mod test {
+ use super::{TimeSpec, TimeVal, TimeValLike};
+ use std::time::Duration;
+
+ #[test]
+ pub fn test_timespec() {
+ assert_ne!(TimeSpec::seconds(1), TimeSpec::zero());
+ assert_eq!(
+ TimeSpec::seconds(1) + TimeSpec::seconds(2),
+ TimeSpec::seconds(3)
+ );
+ assert_eq!(
+ TimeSpec::minutes(3) + TimeSpec::seconds(2),
+ TimeSpec::seconds(182)
+ );
+ }
+
+ #[test]
+ pub fn test_timespec_from() {
+ let duration = Duration::new(123, 123_456_789);
+ let timespec = TimeSpec::nanoseconds(123_123_456_789);
+
+ assert_eq!(TimeSpec::from(duration), timespec);
+ assert_eq!(Duration::from(timespec), duration);
+ }
+
+ #[test]
+ pub fn test_timespec_neg() {
+ let a = TimeSpec::seconds(1) + TimeSpec::nanoseconds(123);
+ let b = TimeSpec::seconds(-1) + TimeSpec::nanoseconds(-123);
+
+ assert_eq!(a, -b);
+ }
+
+ #[test]
+ pub fn test_timespec_ord() {
+ assert_eq!(TimeSpec::seconds(1), TimeSpec::nanoseconds(1_000_000_000));
+ assert!(TimeSpec::seconds(1) < TimeSpec::nanoseconds(1_000_000_001));
+ assert!(TimeSpec::seconds(1) > TimeSpec::nanoseconds(999_999_999));
+ assert!(TimeSpec::seconds(-1) < TimeSpec::nanoseconds(-999_999_999));
+ assert!(TimeSpec::seconds(-1) > TimeSpec::nanoseconds(-1_000_000_001));
+ }
+
+ #[test]
+ pub fn test_timespec_fmt() {
+ assert_eq!(TimeSpec::zero().to_string(), "0 seconds");
+ assert_eq!(TimeSpec::seconds(42).to_string(), "42 seconds");
+ assert_eq!(TimeSpec::milliseconds(42).to_string(), "0.042 seconds");
+ assert_eq!(TimeSpec::microseconds(42).to_string(), "0.000042 seconds");
+ assert_eq!(
+ TimeSpec::nanoseconds(42).to_string(),
+ "0.000000042 seconds"
+ );
+ assert_eq!(TimeSpec::seconds(-86401).to_string(), "-86401 seconds");
+ }
+
+ #[test]
+ pub fn test_timeval() {
+ assert_ne!(TimeVal::seconds(1), TimeVal::zero());
+ assert_eq!(
+ TimeVal::seconds(1) + TimeVal::seconds(2),
+ TimeVal::seconds(3)
+ );
+ assert_eq!(
+ TimeVal::minutes(3) + TimeVal::seconds(2),
+ TimeVal::seconds(182)
+ );
+ }
+
+ #[test]
+ pub fn test_timeval_ord() {
+ assert_eq!(TimeVal::seconds(1), TimeVal::microseconds(1_000_000));
+ assert!(TimeVal::seconds(1) < TimeVal::microseconds(1_000_001));
+ assert!(TimeVal::seconds(1) > TimeVal::microseconds(999_999));
+ assert!(TimeVal::seconds(-1) < TimeVal::microseconds(-999_999));
+ assert!(TimeVal::seconds(-1) > TimeVal::microseconds(-1_000_001));
+ }
+
+ #[test]
+ pub fn test_timeval_neg() {
+ let a = TimeVal::seconds(1) + TimeVal::microseconds(123);
+ let b = TimeVal::seconds(-1) + TimeVal::microseconds(-123);
+
+ assert_eq!(a, -b);
+ }
+
+ #[test]
+ pub fn test_timeval_fmt() {
+ assert_eq!(TimeVal::zero().to_string(), "0 seconds");
+ assert_eq!(TimeVal::seconds(42).to_string(), "42 seconds");
+ assert_eq!(TimeVal::milliseconds(42).to_string(), "0.042 seconds");
+ assert_eq!(TimeVal::microseconds(42).to_string(), "0.000042 seconds");
+ assert_eq!(TimeVal::nanoseconds(1402).to_string(), "0.000001 seconds");
+ assert_eq!(TimeVal::seconds(-86401).to_string(), "-86401 seconds");
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 05:24:53 +0000