diff options
Diffstat (limited to 'library/core/tests/time.rs')
| -rw-r--r-- | library/core/tests/time.rs | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/library/core/tests/time.rs b/library/core/tests/time.rs index fe2d2f241..a05128de4 100644 --- a/library/core/tests/time.rs +++ b/library/core/tests/time.rs @@ -197,9 +197,31 @@ fn correct_sum() { #[test] fn debug_formatting_extreme_values() { assert_eq!( - format!("{:?}", Duration::new(18_446_744_073_709_551_615, 123_456_789)), + format!("{:?}", Duration::new(u64::MAX, 123_456_789)), "18446744073709551615.123456789s" ); + assert_eq!(format!("{:.0?}", Duration::MAX), "18446744073709551616s"); + assert_eq!(format!("{:.0?}", Duration::new(u64::MAX, 500_000_000)), "18446744073709551616s"); + assert_eq!(format!("{:.0?}", Duration::new(u64::MAX, 499_999_999)), "18446744073709551615s"); + assert_eq!( + format!("{:.3?}", Duration::new(u64::MAX, 999_500_000)), + "18446744073709551616.000s" + ); + assert_eq!( + format!("{:.3?}", Duration::new(u64::MAX, 999_499_999)), + "18446744073709551615.999s" + ); + assert_eq!( + format!("{:.8?}", Duration::new(u64::MAX, 999_999_995)), + "18446744073709551616.00000000s" + ); + assert_eq!( + format!("{:.8?}", Duration::new(u64::MAX, 999_999_994)), + "18446744073709551615.99999999s" + ); + assert_eq!(format!("{:21.0?}", Duration::MAX), "18446744073709551616s"); + assert_eq!(format!("{:22.0?}", Duration::MAX), "18446744073709551616s "); + assert_eq!(format!("{:24.0?}", Duration::MAX), "18446744073709551616s "); } #[test] @@ -445,3 +467,11 @@ fn duration_const() { const SATURATING_MUL: Duration = MAX.saturating_mul(2); assert_eq!(SATURATING_MUL, MAX); } + +#[test] +fn from_neg_zero() { + assert_eq!(Duration::try_from_secs_f32(-0.0), Ok(Duration::ZERO)); + assert_eq!(Duration::try_from_secs_f64(-0.0), Ok(Duration::ZERO)); + assert_eq!(Duration::from_secs_f32(-0.0), Duration::ZERO); + assert_eq!(Duration::from_secs_f64(-0.0), Duration::ZERO); +} |