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Apply Clippy suggestions for duration module
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@pitdicker
pitdicker committed Aug 29, 2023
1 parent bea2397 commit 4bf7a7c
Showing 1 changed file with 44 additions and 37 deletions.
81 changes: 44 additions & 37 deletions src/duration.rs
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Expand Up @@ -22,21 +22,21 @@ use rkyv::{Archive, Deserialize, Serialize};
/// The number of nanoseconds in a microsecond.
const NANOS_PER_MICRO: i32 = 1000;
/// The number of nanoseconds in a millisecond.
const NANOS_PER_MILLI: i32 = 1000_000;
const NANOS_PER_MILLI: i32 = 1_000_000;
/// The number of nanoseconds in seconds.
const NANOS_PER_SEC: i32 = 1_000_000_000;
/// The number of microseconds per second.
const MICROS_PER_SEC: i64 = 1000_000;
const MICROS_PER_SEC: i64 = 1_000_000;
/// The number of milliseconds per second.
const MILLIS_PER_SEC: i64 = 1000;
/// The number of seconds in a minute.
const SECS_PER_MINUTE: i64 = 60;
/// The number of seconds in an hour.
const SECS_PER_HOUR: i64 = 3600;
/// The number of (non-leap) seconds in days.
const SECS_PER_DAY: i64 = 86400;
const SECS_PER_DAY: i64 = 86_400;
/// The number of (non-leap) seconds in a week.
const SECS_PER_WEEK: i64 = 604800;
const SECS_PER_WEEK: i64 = 604_800;

macro_rules! try_opt {
($e:expr) => {
Expand Down Expand Up @@ -128,22 +128,22 @@ impl Duration {
pub const fn milliseconds(milliseconds: i64) -> Duration {
let (secs, millis) = div_mod_floor_64(milliseconds, MILLIS_PER_SEC);
let nanos = millis as i32 * NANOS_PER_MILLI;
Duration { secs: secs, nanos: nanos }
Duration { secs, nanos }
}

/// Makes a new `Duration` with given number of microseconds.
#[inline]
pub const fn microseconds(microseconds: i64) -> Duration {
let (secs, micros) = div_mod_floor_64(microseconds, MICROS_PER_SEC);
let nanos = micros as i32 * NANOS_PER_MICRO;
Duration { secs: secs, nanos: nanos }
Duration { secs, nanos }
}

/// Makes a new `Duration` with given number of nanoseconds.
#[inline]
pub const fn nanoseconds(nanos: i64) -> Duration {
let (secs, nanos) = div_mod_floor_64(nanos, NANOS_PER_SEC as i64);
Duration { secs: secs, nanos: nanos as i32 }
Duration { secs, nanos: nanos as i32 }
}

/// Returns the total number of whole weeks in the duration.
Expand Down Expand Up @@ -224,7 +224,7 @@ impl Duration {
nanos -= NANOS_PER_SEC;
secs = try_opt!(secs.checked_add(1));
}
let d = Duration { secs: secs, nanos: nanos };
let d = Duration { secs, nanos };
// Even if d is within the bounds of i64 seconds,
// it might still overflow i64 milliseconds.
if d < MIN || d > MAX {
Expand All @@ -243,7 +243,7 @@ impl Duration {
nanos += NANOS_PER_SEC;
secs = try_opt!(secs.checked_sub(1));
}
let d = Duration { secs: secs, nanos: nanos };
let d = Duration { secs, nanos };
// Even if d is within the bounds of i64 seconds,
// it might still overflow i64 milliseconds.
if d < MIN || d > MAX {
Expand Down Expand Up @@ -338,7 +338,7 @@ impl Add for Duration {
nanos -= NANOS_PER_SEC;
secs += 1;
}
Duration { secs: secs, nanos: nanos }
Duration { secs, nanos }
}
}

Expand All @@ -352,7 +352,7 @@ impl Sub for Duration {
nanos += NANOS_PER_SEC;
secs -= 1;
}
Duration { secs: secs, nanos: nanos }
Duration { secs, nanos }
}
}

Expand All @@ -364,7 +364,7 @@ impl Mul<i32> for Duration {
let total_nanos = self.nanos as i64 * rhs as i64;
let (extra_secs, nanos) = div_mod_floor_64(total_nanos, NANOS_PER_SEC as i64);
let secs = self.secs * rhs as i64 + extra_secs;
Duration { secs: secs, nanos: nanos as i32 }
Duration { secs, nanos: nanos as i32 }
}
}

Expand All @@ -384,7 +384,7 @@ impl Div<i32> for Duration {
nanos += NANOS_PER_SEC;
secs -= 1;
}
Duration { secs: secs, nanos: nanos }
Duration { secs, nanos }
}
}

Expand Down Expand Up @@ -491,19 +491,19 @@ mod tests {
assert!(Duration::seconds(1) != Duration::zero());
assert_eq!(Duration::seconds(1) + Duration::seconds(2), Duration::seconds(3));
assert_eq!(
Duration::seconds(86399) + Duration::seconds(4),
Duration::seconds(86_399) + Duration::seconds(4),
Duration::days(1) + Duration::seconds(3)
);
assert_eq!(Duration::days(10) - Duration::seconds(1000), Duration::seconds(863000));
assert_eq!(Duration::days(10) - Duration::seconds(1000000), Duration::seconds(-136000));
assert_eq!(Duration::days(10) - Duration::seconds(1000), Duration::seconds(863_000));
assert_eq!(Duration::days(10) - Duration::seconds(1_000_000), Duration::seconds(-136_000));
assert_eq!(
Duration::days(2) + Duration::seconds(86399) + Duration::nanoseconds(1234567890),
Duration::days(3) + Duration::nanoseconds(234567890)
Duration::days(2) + Duration::seconds(86_399) + Duration::nanoseconds(1_234_567_890),
Duration::days(3) + Duration::nanoseconds(234_567_890)
);
assert_eq!(-Duration::days(3), Duration::days(-3));
assert_eq!(
-(Duration::days(3) + Duration::seconds(70)),
Duration::days(-4) + Duration::seconds(86400 - 70)
Duration::days(-4) + Duration::seconds(86_400 - 70)
);
}

Expand All @@ -512,10 +512,10 @@ mod tests {
assert_eq!(Duration::zero().num_days(), 0);
assert_eq!(Duration::days(1).num_days(), 1);
assert_eq!(Duration::days(-1).num_days(), -1);
assert_eq!(Duration::seconds(86399).num_days(), 0);
assert_eq!(Duration::seconds(86401).num_days(), 1);
assert_eq!(Duration::seconds(-86399).num_days(), 0);
assert_eq!(Duration::seconds(-86401).num_days(), -1);
assert_eq!(Duration::seconds(86_399).num_days(), 0);
assert_eq!(Duration::seconds(86_401).num_days(), 1);
assert_eq!(Duration::seconds(-86_399).num_days(), 0);
assert_eq!(Duration::seconds(-86_401).num_days(), -1);
assert_eq!(Duration::days(i32::MAX as i64).num_days(), i32::MAX as i64);
assert_eq!(Duration::days(i32::MIN as i64).num_days(), i32::MIN as i64);
}
Expand Down Expand Up @@ -561,7 +561,7 @@ mod tests {
assert_eq!(MIN.num_microseconds(), None);

// overflow checks
const MICROS_PER_DAY: i64 = 86400_000_000;
const MICROS_PER_DAY: i64 = 86_400_000_000;
assert_eq!(
Duration::days(i64::MAX / MICROS_PER_DAY).num_microseconds(),
Some(i64::MAX / MICROS_PER_DAY * MICROS_PER_DAY)
Expand All @@ -585,7 +585,7 @@ mod tests {
assert_eq!(MIN.num_nanoseconds(), None);

// overflow checks
const NANOS_PER_DAY: i64 = 86400_000_000_000;
const NANOS_PER_DAY: i64 = 86_400_000_000_000;
assert_eq!(
Duration::days(i64::MAX / NANOS_PER_DAY).num_nanoseconds(),
Some(i64::MAX / NANOS_PER_DAY * NANOS_PER_DAY)
Expand Down Expand Up @@ -629,6 +629,7 @@ mod tests {
}

#[test]
#[allow(clippy::erasing_op)]
fn test_duration_mul() {
assert_eq!(Duration::zero() * i32::MAX, Duration::zero());
assert_eq!(Duration::zero() * i32::MIN, Duration::zero());
Expand Down Expand Up @@ -693,7 +694,7 @@ mod tests {
assert_eq!(Duration::microseconds(42).to_string(), "PT0.000042S");
assert_eq!(Duration::nanoseconds(42).to_string(), "PT0.000000042S");
assert_eq!((Duration::days(7) + Duration::milliseconds(6543)).to_string(), "P7DT6.543S");
assert_eq!(Duration::seconds(-86401).to_string(), "-P1DT1S");
assert_eq!(Duration::seconds(-86_401).to_string(), "-P1DT1S");
assert_eq!(Duration::nanoseconds(-1).to_string(), "-PT0.000000001S");

// the format specifier should have no effect on `Duration`
Expand All @@ -706,35 +707,41 @@ mod tests {
#[test]
fn test_to_std() {
assert_eq!(Duration::seconds(1).to_std(), Ok(StdDuration::new(1, 0)));
assert_eq!(Duration::seconds(86401).to_std(), Ok(StdDuration::new(86401, 0)));
assert_eq!(Duration::milliseconds(123).to_std(), Ok(StdDuration::new(0, 123000000)));
assert_eq!(Duration::milliseconds(123765).to_std(), Ok(StdDuration::new(123, 765000000)));
assert_eq!(Duration::seconds(86_401).to_std(), Ok(StdDuration::new(86_401, 0)));
assert_eq!(Duration::milliseconds(123).to_std(), Ok(StdDuration::new(0, 123_000_000)));
assert_eq!(
Duration::milliseconds(123_765).to_std(),
Ok(StdDuration::new(123, 765_000_000))
);
assert_eq!(Duration::nanoseconds(777).to_std(), Ok(StdDuration::new(0, 777)));
assert_eq!(MAX.to_std(), Ok(StdDuration::new(9223372036854775, 807000000)));
assert_eq!(MAX.to_std(), Ok(StdDuration::new(9_223_372_036_854_775, 807_000_000)));
assert_eq!(Duration::seconds(-1).to_std(), Err(OutOfRangeError(())));
assert_eq!(Duration::milliseconds(-1).to_std(), Err(OutOfRangeError(())));
}

#[test]
fn test_from_std() {
assert_eq!(Ok(Duration::seconds(1)), Duration::from_std(StdDuration::new(1, 0)));
assert_eq!(Ok(Duration::seconds(86401)), Duration::from_std(StdDuration::new(86401, 0)));
assert_eq!(Ok(Duration::seconds(86_401)), Duration::from_std(StdDuration::new(86_401, 0)));
assert_eq!(
Ok(Duration::milliseconds(123)),
Duration::from_std(StdDuration::new(0, 123000000))
Duration::from_std(StdDuration::new(0, 123_000_000))
);
assert_eq!(
Ok(Duration::milliseconds(123765)),
Duration::from_std(StdDuration::new(123, 765000000))
Ok(Duration::milliseconds(123_765)),
Duration::from_std(StdDuration::new(123, 765_000_000))
);
assert_eq!(Ok(Duration::nanoseconds(777)), Duration::from_std(StdDuration::new(0, 777)));
assert_eq!(Ok(MAX), Duration::from_std(StdDuration::new(9223372036854775, 807000000)));
assert_eq!(
Duration::from_std(StdDuration::new(9223372036854776, 0)),
Ok(MAX),
Duration::from_std(StdDuration::new(9_223_372_036_854_775, 807_000_000))
);
assert_eq!(
Duration::from_std(StdDuration::new(9_223_372_036_854_776, 0)),
Err(OutOfRangeError(()))
);
assert_eq!(
Duration::from_std(StdDuration::new(9223372036854775, 807000001)),
Duration::from_std(StdDuration::new(9_223_372_036_854_775, 807_000_001)),
Err(OutOfRangeError(()))
);
}
Expand Down

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