| use core::time::Duration; |
| |
| #[test] |
| fn creation() { |
| assert_ne!(Duration::from_secs(1), Duration::from_secs(0)); |
| assert_eq!(Duration::from_secs(1) + Duration::from_secs(2), Duration::from_secs(3)); |
| assert_eq!( |
| Duration::from_millis(10) + Duration::from_secs(4), |
| Duration::new(4, 10 * 1_000_000) |
| ); |
| assert_eq!(Duration::from_millis(4000), Duration::new(4, 0)); |
| } |
| |
| #[test] |
| #[should_panic] |
| fn new_overflow() { |
| let _ = Duration::new(u64::MAX, 1_000_000_000); |
| } |
| |
| #[test] |
| #[should_panic] |
| fn from_mins_overflow() { |
| let overflow = u64::MAX / 60 + 1; |
| let _ = Duration::from_mins(overflow); |
| } |
| |
| #[test] |
| #[should_panic] |
| fn from_hours_overflow() { |
| let overflow = u64::MAX / (60 * 60) + 1; |
| let _ = Duration::from_hours(overflow); |
| } |
| |
| #[test] |
| #[should_panic] |
| fn from_days_overflow() { |
| let overflow = u64::MAX / (24 * 60 * 60) + 1; |
| let _ = Duration::from_days(overflow); |
| } |
| |
| #[test] |
| #[should_panic] |
| fn from_weeks_overflow() { |
| let overflow = u64::MAX / (7 * 24 * 60 * 60) + 1; |
| let _ = Duration::from_weeks(overflow); |
| } |
| |
| #[test] |
| fn constructors() { |
| assert_eq!(Duration::from_weeks(1), Duration::from_secs(7 * 24 * 60 * 60)); |
| assert_eq!(Duration::from_weeks(0), Duration::ZERO); |
| |
| assert_eq!(Duration::from_days(1), Duration::from_secs(86_400)); |
| assert_eq!(Duration::from_days(0), Duration::ZERO); |
| |
| assert_eq!(Duration::from_hours(1), Duration::from_secs(3_600)); |
| assert_eq!(Duration::from_hours(0), Duration::ZERO); |
| |
| assert_eq!(Duration::from_mins(1), Duration::from_secs(60)); |
| assert_eq!(Duration::from_mins(0), Duration::ZERO); |
| } |
| |
| #[test] |
| fn secs() { |
| assert_eq!(Duration::new(0, 0).as_secs(), 0); |
| assert_eq!(Duration::new(0, 500_000_005).as_secs(), 0); |
| assert_eq!(Duration::new(0, 1_050_000_001).as_secs(), 1); |
| assert_eq!(Duration::from_secs(1).as_secs(), 1); |
| assert_eq!(Duration::from_millis(999).as_secs(), 0); |
| assert_eq!(Duration::from_millis(1001).as_secs(), 1); |
| assert_eq!(Duration::from_micros(999_999).as_secs(), 0); |
| assert_eq!(Duration::from_micros(1_000_001).as_secs(), 1); |
| assert_eq!(Duration::from_nanos(999_999_999).as_secs(), 0); |
| assert_eq!(Duration::from_nanos(1_000_000_001).as_secs(), 1); |
| } |
| |
| #[test] |
| fn millis() { |
| assert_eq!(Duration::new(0, 0).subsec_millis(), 0); |
| assert_eq!(Duration::new(0, 500_000_005).subsec_millis(), 500); |
| assert_eq!(Duration::new(0, 1_050_000_001).subsec_millis(), 50); |
| assert_eq!(Duration::from_secs(1).subsec_millis(), 0); |
| assert_eq!(Duration::from_millis(999).subsec_millis(), 999); |
| assert_eq!(Duration::from_millis(1001).subsec_millis(), 1); |
| assert_eq!(Duration::from_micros(999_999).subsec_millis(), 999); |
| assert_eq!(Duration::from_micros(1_001_000).subsec_millis(), 1); |
| assert_eq!(Duration::from_nanos(999_999_999).subsec_millis(), 999); |
| assert_eq!(Duration::from_nanos(1_001_000_000).subsec_millis(), 1); |
| } |
| |
| #[test] |
| fn micros() { |
| assert_eq!(Duration::new(0, 0).subsec_micros(), 0); |
| assert_eq!(Duration::new(0, 500_000_005).subsec_micros(), 500_000); |
| assert_eq!(Duration::new(0, 1_050_000_001).subsec_micros(), 50_000); |
| assert_eq!(Duration::from_secs(1).subsec_micros(), 0); |
| assert_eq!(Duration::from_millis(999).subsec_micros(), 999_000); |
| assert_eq!(Duration::from_millis(1001).subsec_micros(), 1_000); |
| assert_eq!(Duration::from_micros(999_999).subsec_micros(), 999_999); |
| assert_eq!(Duration::from_micros(1_000_001).subsec_micros(), 1); |
| assert_eq!(Duration::from_nanos(999_999_999).subsec_micros(), 999_999); |
| assert_eq!(Duration::from_nanos(1_000_001_000).subsec_micros(), 1); |
| } |
| |
| #[test] |
| fn nanos() { |
| assert_eq!(Duration::new(0, 0).subsec_nanos(), 0); |
| assert_eq!(Duration::new(0, 5).subsec_nanos(), 5); |
| assert_eq!(Duration::new(0, 1_000_000_001).subsec_nanos(), 1); |
| assert_eq!(Duration::from_secs(1).subsec_nanos(), 0); |
| assert_eq!(Duration::from_millis(999).subsec_nanos(), 999_000_000); |
| assert_eq!(Duration::from_millis(1001).subsec_nanos(), 1_000_000); |
| assert_eq!(Duration::from_micros(999_999).subsec_nanos(), 999_999_000); |
| assert_eq!(Duration::from_micros(1_000_001).subsec_nanos(), 1000); |
| assert_eq!(Duration::from_nanos(999_999_999).subsec_nanos(), 999_999_999); |
| assert_eq!(Duration::from_nanos(1_000_000_001).subsec_nanos(), 1); |
| } |
| |
| #[test] |
| fn abs_diff() { |
| assert_eq!(Duration::new(2, 0).abs_diff(Duration::new(1, 0)), Duration::new(1, 0)); |
| assert_eq!(Duration::new(1, 0).abs_diff(Duration::new(2, 0)), Duration::new(1, 0)); |
| assert_eq!(Duration::new(1, 0).abs_diff(Duration::new(1, 0)), Duration::new(0, 0)); |
| assert_eq!(Duration::new(1, 1).abs_diff(Duration::new(0, 2)), Duration::new(0, 999_999_999)); |
| assert_eq!(Duration::new(1, 1).abs_diff(Duration::new(2, 1)), Duration::new(1, 0)); |
| assert_eq!(Duration::MAX.abs_diff(Duration::MAX), Duration::ZERO); |
| assert_eq!(Duration::ZERO.abs_diff(Duration::ZERO), Duration::ZERO); |
| assert_eq!(Duration::MAX.abs_diff(Duration::ZERO), Duration::MAX); |
| assert_eq!(Duration::ZERO.abs_diff(Duration::MAX), Duration::MAX); |
| } |
| |
| #[test] |
| fn add() { |
| assert_eq!(Duration::new(0, 0) + Duration::new(0, 1), Duration::new(0, 1)); |
| assert_eq!(Duration::new(0, 500_000_000) + Duration::new(0, 500_000_001), Duration::new(1, 1)); |
| } |
| |
| #[test] |
| fn checked_add() { |
| assert_eq!(Duration::new(0, 0).checked_add(Duration::new(0, 1)), Some(Duration::new(0, 1))); |
| assert_eq!( |
| Duration::new(0, 500_000_000).checked_add(Duration::new(0, 500_000_001)), |
| Some(Duration::new(1, 1)) |
| ); |
| assert_eq!(Duration::new(1, 0).checked_add(Duration::new(u64::MAX, 0)), None); |
| } |
| |
| #[test] |
| fn saturating_add() { |
| assert_eq!(Duration::new(0, 0).saturating_add(Duration::new(0, 1)), Duration::new(0, 1)); |
| assert_eq!( |
| Duration::new(0, 500_000_000).saturating_add(Duration::new(0, 500_000_001)), |
| Duration::new(1, 1) |
| ); |
| assert_eq!(Duration::new(1, 0).saturating_add(Duration::new(u64::MAX, 0)), Duration::MAX); |
| } |
| |
| #[test] |
| fn sub() { |
| assert_eq!(Duration::new(0, 1) - Duration::new(0, 0), Duration::new(0, 1)); |
| assert_eq!(Duration::new(0, 500_000_001) - Duration::new(0, 500_000_000), Duration::new(0, 1)); |
| assert_eq!(Duration::new(1, 0) - Duration::new(0, 1), Duration::new(0, 999_999_999)); |
| } |
| |
| #[test] |
| fn checked_sub() { |
| assert_eq!(Duration::NANOSECOND.checked_sub(Duration::ZERO), Some(Duration::NANOSECOND)); |
| assert_eq!( |
| Duration::SECOND.checked_sub(Duration::NANOSECOND), |
| Some(Duration::new(0, 999_999_999)) |
| ); |
| assert_eq!(Duration::ZERO.checked_sub(Duration::NANOSECOND), None); |
| assert_eq!(Duration::ZERO.checked_sub(Duration::SECOND), None); |
| } |
| |
| #[test] |
| fn saturating_sub() { |
| assert_eq!(Duration::NANOSECOND.saturating_sub(Duration::ZERO), Duration::NANOSECOND); |
| assert_eq!( |
| Duration::SECOND.saturating_sub(Duration::NANOSECOND), |
| Duration::new(0, 999_999_999) |
| ); |
| assert_eq!(Duration::ZERO.saturating_sub(Duration::NANOSECOND), Duration::ZERO); |
| assert_eq!(Duration::ZERO.saturating_sub(Duration::SECOND), Duration::ZERO); |
| } |
| |
| #[test] |
| #[should_panic] |
| fn sub_bad1() { |
| let _ = Duration::new(0, 0) - Duration::new(0, 1); |
| } |
| |
| #[test] |
| #[should_panic] |
| fn sub_bad2() { |
| let _ = Duration::new(0, 0) - Duration::new(1, 0); |
| } |
| |
| #[test] |
| fn mul() { |
| assert_eq!(Duration::new(0, 1) * 2, Duration::new(0, 2)); |
| assert_eq!(Duration::new(1, 1) * 3, Duration::new(3, 3)); |
| assert_eq!(Duration::new(0, 500_000_001) * 4, Duration::new(2, 4)); |
| assert_eq!(Duration::new(0, 500_000_001) * 4000, Duration::new(2000, 4000)); |
| } |
| |
| #[test] |
| fn checked_mul() { |
| assert_eq!(Duration::new(0, 1).checked_mul(2), Some(Duration::new(0, 2))); |
| assert_eq!(Duration::new(1, 1).checked_mul(3), Some(Duration::new(3, 3))); |
| assert_eq!(Duration::new(0, 500_000_001).checked_mul(4), Some(Duration::new(2, 4))); |
| assert_eq!(Duration::new(0, 500_000_001).checked_mul(4000), Some(Duration::new(2000, 4000))); |
| assert_eq!(Duration::new(u64::MAX - 1, 0).checked_mul(2), None); |
| } |
| |
| #[test] |
| fn saturating_mul() { |
| assert_eq!(Duration::new(0, 1).saturating_mul(2), Duration::new(0, 2)); |
| assert_eq!(Duration::new(1, 1).saturating_mul(3), Duration::new(3, 3)); |
| assert_eq!(Duration::new(0, 500_000_001).saturating_mul(4), Duration::new(2, 4)); |
| assert_eq!(Duration::new(0, 500_000_001).saturating_mul(4000), Duration::new(2000, 4000)); |
| assert_eq!(Duration::new(u64::MAX - 1, 0).saturating_mul(2), Duration::MAX); |
| } |
| |
| #[test] |
| fn div() { |
| assert_eq!(Duration::new(0, 1) / 2, Duration::new(0, 0)); |
| assert_eq!(Duration::new(1, 1) / 3, Duration::new(0, 333_333_333)); |
| assert_eq!(Duration::new(1, 1) / 7, Duration::new(0, 142_857_143)); |
| assert_eq!(Duration::new(99, 999_999_000) / 100, Duration::new(0, 999_999_990)); |
| } |
| |
| #[test] |
| fn div_duration_f32() { |
| assert_eq!(Duration::ZERO.div_duration_f32(Duration::MAX), 0.0); |
| assert_eq!(Duration::MAX.div_duration_f32(Duration::ZERO), f32::INFINITY); |
| assert_eq!((Duration::SECOND * 2).div_duration_f32(Duration::SECOND), 2.0); |
| assert!(Duration::ZERO.div_duration_f32(Duration::ZERO).is_nan()); |
| // These tests demonstrate it doesn't panic with extreme values. |
| // Accuracy of the computed value is not a huge concern, we know floats don't work well |
| // at these extremes. |
| assert!((Duration::MAX).div_duration_f32(Duration::NANOSECOND) > 10.0f32.powf(28.0)); |
| assert!((Duration::NANOSECOND).div_duration_f32(Duration::MAX) < 0.1); |
| } |
| |
| #[test] |
| fn div_duration_f64() { |
| assert_eq!(Duration::ZERO.div_duration_f64(Duration::MAX), 0.0); |
| assert_eq!(Duration::MAX.div_duration_f64(Duration::ZERO), f64::INFINITY); |
| assert_eq!((Duration::SECOND * 2).div_duration_f64(Duration::SECOND), 2.0); |
| assert!(Duration::ZERO.div_duration_f64(Duration::ZERO).is_nan()); |
| // These tests demonstrate it doesn't panic with extreme values. |
| // Accuracy of the computed value is not a huge concern, we know floats don't work well |
| // at these extremes. |
| assert!((Duration::MAX).div_duration_f64(Duration::NANOSECOND) > 10.0f64.powf(28.0)); |
| assert!((Duration::NANOSECOND).div_duration_f64(Duration::MAX) < 0.1); |
| } |
| |
| #[test] |
| fn checked_div() { |
| assert_eq!(Duration::new(2, 0).checked_div(2), Some(Duration::new(1, 0))); |
| assert_eq!(Duration::new(1, 0).checked_div(2), Some(Duration::new(0, 500_000_000))); |
| assert_eq!(Duration::new(2, 0).checked_div(0), None); |
| } |
| |
| #[test] |
| fn correct_sum() { |
| let durations = [ |
| Duration::new(1, 999_999_999), |
| Duration::new(2, 999_999_999), |
| Duration::new(0, 999_999_999), |
| Duration::new(0, 999_999_999), |
| Duration::new(0, 999_999_999), |
| Duration::new(5, 0), |
| ]; |
| let sum = durations.iter().sum::<Duration>(); |
| assert_eq!(sum, Duration::new(1 + 2 + 5 + 4, 1_000_000_000 - 5)); |
| } |
| |
| #[test] |
| fn debug_formatting_extreme_values() { |
| assert_eq!( |
| 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] |
| fn debug_formatting_secs() { |
| assert_eq!(format!("{:?}", Duration::new(7, 000_000_000)), "7s"); |
| assert_eq!(format!("{:?}", Duration::new(7, 100_000_000)), "7.1s"); |
| assert_eq!(format!("{:?}", Duration::new(7, 000_010_000)), "7.00001s"); |
| assert_eq!(format!("{:?}", Duration::new(7, 000_000_001)), "7.000000001s"); |
| assert_eq!(format!("{:?}", Duration::new(7, 123_456_789)), "7.123456789s"); |
| |
| assert_eq!(format!("{:?}", Duration::new(88, 000_000_000)), "88s"); |
| assert_eq!(format!("{:?}", Duration::new(88, 100_000_000)), "88.1s"); |
| assert_eq!(format!("{:?}", Duration::new(88, 000_010_000)), "88.00001s"); |
| assert_eq!(format!("{:?}", Duration::new(88, 000_000_001)), "88.000000001s"); |
| assert_eq!(format!("{:?}", Duration::new(88, 123_456_789)), "88.123456789s"); |
| |
| assert_eq!(format!("{:?}", Duration::new(999, 000_000_000)), "999s"); |
| assert_eq!(format!("{:?}", Duration::new(999, 100_000_000)), "999.1s"); |
| assert_eq!(format!("{:?}", Duration::new(999, 000_010_000)), "999.00001s"); |
| assert_eq!(format!("{:?}", Duration::new(999, 000_000_001)), "999.000000001s"); |
| assert_eq!(format!("{:?}", Duration::new(999, 123_456_789)), "999.123456789s"); |
| } |
| |
| #[test] |
| fn debug_formatting_millis() { |
| assert_eq!(format!("{:?}", Duration::new(0, 7_000_000)), "7ms"); |
| assert_eq!(format!("{:?}", Duration::new(0, 7_100_000)), "7.1ms"); |
| assert_eq!(format!("{:?}", Duration::new(0, 7_000_001)), "7.000001ms"); |
| assert_eq!(format!("{:?}", Duration::new(0, 7_123_456)), "7.123456ms"); |
| |
| assert_eq!(format!("{:?}", Duration::new(0, 88_000_000)), "88ms"); |
| assert_eq!(format!("{:?}", Duration::new(0, 88_100_000)), "88.1ms"); |
| assert_eq!(format!("{:?}", Duration::new(0, 88_000_001)), "88.000001ms"); |
| assert_eq!(format!("{:?}", Duration::new(0, 88_123_456)), "88.123456ms"); |
| |
| assert_eq!(format!("{:?}", Duration::new(0, 999_000_000)), "999ms"); |
| assert_eq!(format!("{:?}", Duration::new(0, 999_100_000)), "999.1ms"); |
| assert_eq!(format!("{:?}", Duration::new(0, 999_000_001)), "999.000001ms"); |
| assert_eq!(format!("{:?}", Duration::new(0, 999_123_456)), "999.123456ms"); |
| } |
| |
| #[test] |
| fn debug_formatting_micros() { |
| assert_eq!(format!("{:?}", Duration::new(0, 7_000)), "7µs"); |
| assert_eq!(format!("{:?}", Duration::new(0, 7_100)), "7.1µs"); |
| assert_eq!(format!("{:?}", Duration::new(0, 7_001)), "7.001µs"); |
| assert_eq!(format!("{:?}", Duration::new(0, 7_123)), "7.123µs"); |
| |
| assert_eq!(format!("{:?}", Duration::new(0, 88_000)), "88µs"); |
| assert_eq!(format!("{:?}", Duration::new(0, 88_100)), "88.1µs"); |
| assert_eq!(format!("{:?}", Duration::new(0, 88_001)), "88.001µs"); |
| assert_eq!(format!("{:?}", Duration::new(0, 88_123)), "88.123µs"); |
| |
| assert_eq!(format!("{:?}", Duration::new(0, 999_000)), "999µs"); |
| assert_eq!(format!("{:?}", Duration::new(0, 999_100)), "999.1µs"); |
| assert_eq!(format!("{:?}", Duration::new(0, 999_001)), "999.001µs"); |
| assert_eq!(format!("{:?}", Duration::new(0, 999_123)), "999.123µs"); |
| } |
| |
| #[test] |
| fn debug_formatting_nanos() { |
| assert_eq!(format!("{:?}", Duration::new(0, 0)), "0ns"); |
| assert_eq!(format!("{:?}", Duration::new(0, 1)), "1ns"); |
| assert_eq!(format!("{:?}", Duration::new(0, 88)), "88ns"); |
| assert_eq!(format!("{:?}", Duration::new(0, 999)), "999ns"); |
| } |
| |
| #[test] |
| fn debug_formatting_precision_zero() { |
| assert_eq!(format!("{:.0?}", Duration::new(0, 0)), "0ns"); |
| assert_eq!(format!("{:.0?}", Duration::new(0, 123)), "123ns"); |
| |
| assert_eq!(format!("{:.0?}", Duration::new(0, 1_001)), "1µs"); |
| assert_eq!(format!("{:.0?}", Duration::new(0, 1_499)), "1µs"); |
| assert_eq!(format!("{:.0?}", Duration::new(0, 1_500)), "2µs"); |
| assert_eq!(format!("{:.0?}", Duration::new(0, 1_999)), "2µs"); |
| |
| assert_eq!(format!("{:.0?}", Duration::new(0, 1_000_001)), "1ms"); |
| assert_eq!(format!("{:.0?}", Duration::new(0, 1_499_999)), "1ms"); |
| assert_eq!(format!("{:.0?}", Duration::new(0, 1_500_000)), "2ms"); |
| assert_eq!(format!("{:.0?}", Duration::new(0, 1_999_999)), "2ms"); |
| |
| assert_eq!(format!("{:.0?}", Duration::new(1, 000_000_001)), "1s"); |
| assert_eq!(format!("{:.0?}", Duration::new(1, 499_999_999)), "1s"); |
| assert_eq!(format!("{:.0?}", Duration::new(1, 500_000_000)), "2s"); |
| assert_eq!(format!("{:.0?}", Duration::new(1, 999_999_999)), "2s"); |
| } |
| |
| #[test] |
| fn debug_formatting_precision_two() { |
| assert_eq!(format!("{:.2?}", Duration::new(0, 0)), "0.00ns"); |
| assert_eq!(format!("{:.2?}", Duration::new(0, 123)), "123.00ns"); |
| |
| assert_eq!(format!("{:.2?}", Duration::new(0, 1_000)), "1.00µs"); |
| assert_eq!(format!("{:.2?}", Duration::new(0, 7_001)), "7.00µs"); |
| assert_eq!(format!("{:.2?}", Duration::new(0, 7_100)), "7.10µs"); |
| assert_eq!(format!("{:.2?}", Duration::new(0, 7_109)), "7.11µs"); |
| assert_eq!(format!("{:.2?}", Duration::new(0, 7_199)), "7.20µs"); |
| assert_eq!(format!("{:.2?}", Duration::new(0, 1_999)), "2.00µs"); |
| |
| assert_eq!(format!("{:.2?}", Duration::new(0, 1_000_000)), "1.00ms"); |
| assert_eq!(format!("{:.2?}", Duration::new(0, 3_001_000)), "3.00ms"); |
| assert_eq!(format!("{:.2?}", Duration::new(0, 3_100_000)), "3.10ms"); |
| assert_eq!(format!("{:.2?}", Duration::new(0, 1_999_999)), "2.00ms"); |
| |
| assert_eq!(format!("{:.2?}", Duration::new(1, 000_000_000)), "1.00s"); |
| assert_eq!(format!("{:.2?}", Duration::new(4, 001_000_000)), "4.00s"); |
| assert_eq!(format!("{:.2?}", Duration::new(2, 100_000_000)), "2.10s"); |
| assert_eq!(format!("{:.2?}", Duration::new(2, 104_990_000)), "2.10s"); |
| assert_eq!(format!("{:.2?}", Duration::new(2, 105_000_000)), "2.11s"); |
| assert_eq!(format!("{:.2?}", Duration::new(8, 999_999_999)), "9.00s"); |
| } |
| |
| #[test] |
| fn debug_formatting_padding() { |
| assert_eq!("0ns ", format!("{:<9?}", Duration::new(0, 0))); |
| assert_eq!(" 0ns", format!("{:>9?}", Duration::new(0, 0))); |
| assert_eq!(" 0ns ", format!("{:^9?}", Duration::new(0, 0))); |
| assert_eq!("123ns ", format!("{:<9.0?}", Duration::new(0, 123))); |
| assert_eq!(" 123ns", format!("{:>9.0?}", Duration::new(0, 123))); |
| assert_eq!(" 123ns ", format!("{:^9.0?}", Duration::new(0, 123))); |
| assert_eq!("123.0ns ", format!("{:<9.1?}", Duration::new(0, 123))); |
| assert_eq!(" 123.0ns", format!("{:>9.1?}", Duration::new(0, 123))); |
| assert_eq!(" 123.0ns ", format!("{:^9.1?}", Duration::new(0, 123))); |
| assert_eq!("7.1µs ", format!("{:<9?}", Duration::new(0, 7_100))); |
| assert_eq!(" 7.1µs", format!("{:>9?}", Duration::new(0, 7_100))); |
| assert_eq!(" 7.1µs ", format!("{:^9?}", Duration::new(0, 7_100))); |
| assert_eq!("999.123456ms", format!("{:<9?}", Duration::new(0, 999_123_456))); |
| assert_eq!("999.123456ms", format!("{:>9?}", Duration::new(0, 999_123_456))); |
| assert_eq!("999.123456ms", format!("{:^9?}", Duration::new(0, 999_123_456))); |
| assert_eq!("5s ", format!("{:<9?}", Duration::new(5, 0))); |
| assert_eq!(" 5s", format!("{:>9?}", Duration::new(5, 0))); |
| assert_eq!(" 5s ", format!("{:^9?}", Duration::new(5, 0))); |
| assert_eq!("5.000000000000s", format!("{:<9.12?}", Duration::new(5, 0))); |
| assert_eq!("5.000000000000s", format!("{:>9.12?}", Duration::new(5, 0))); |
| assert_eq!("5.000000000000s", format!("{:^9.12?}", Duration::new(5, 0))); |
| |
| // default alignment is left: |
| assert_eq!("5s ", format!("{:9?}", Duration::new(5, 0))); |
| } |
| |
| #[test] |
| fn debug_formatting_precision_high() { |
| assert_eq!(format!("{:.5?}", Duration::new(0, 23_678)), "23.67800µs"); |
| |
| assert_eq!(format!("{:.9?}", Duration::new(1, 000_000_000)), "1.000000000s"); |
| assert_eq!(format!("{:.10?}", Duration::new(4, 001_000_000)), "4.0010000000s"); |
| assert_eq!(format!("{:.20?}", Duration::new(4, 001_000_000)), "4.00100000000000000000s"); |
| } |
| |
| #[test] |
| fn duration_const() { |
| // test that the methods of `Duration` are usable in a const context |
| |
| const DURATION: Duration = Duration::new(0, 123_456_789); |
| |
| const SUB_SEC_MILLIS: u32 = DURATION.subsec_millis(); |
| assert_eq!(SUB_SEC_MILLIS, 123); |
| |
| const SUB_SEC_MICROS: u32 = DURATION.subsec_micros(); |
| assert_eq!(SUB_SEC_MICROS, 123_456); |
| |
| const SUB_SEC_NANOS: u32 = DURATION.subsec_nanos(); |
| assert_eq!(SUB_SEC_NANOS, 123_456_789); |
| |
| const IS_ZERO: bool = Duration::ZERO.is_zero(); |
| assert!(IS_ZERO); |
| |
| const SECONDS: u64 = Duration::SECOND.as_secs(); |
| assert_eq!(SECONDS, 1); |
| |
| const FROM_SECONDS: Duration = Duration::from_secs(1); |
| assert_eq!(FROM_SECONDS, Duration::SECOND); |
| |
| const SECONDS_F32: f32 = Duration::SECOND.as_secs_f32(); |
| assert_eq!(SECONDS_F32, 1.0); |
| |
| // FIXME(#110395) |
| // const FROM_SECONDS_F32: Duration = Duration::from_secs_f32(1.0); |
| // assert_eq!(FROM_SECONDS_F32, Duration::SECOND); |
| |
| const SECONDS_F64: f64 = Duration::SECOND.as_secs_f64(); |
| assert_eq!(SECONDS_F64, 1.0); |
| |
| // FIXME(#110395) |
| // const FROM_SECONDS_F64: Duration = Duration::from_secs_f64(1.0); |
| // assert_eq!(FROM_SECONDS_F64, Duration::SECOND); |
| |
| const MILLIS: u128 = Duration::SECOND.as_millis(); |
| assert_eq!(MILLIS, 1_000); |
| |
| const FROM_MILLIS: Duration = Duration::from_millis(1_000); |
| assert_eq!(FROM_MILLIS, Duration::SECOND); |
| |
| const MICROS: u128 = Duration::SECOND.as_micros(); |
| assert_eq!(MICROS, 1_000_000); |
| |
| const FROM_MICROS: Duration = Duration::from_micros(1_000_000); |
| assert_eq!(FROM_MICROS, Duration::SECOND); |
| |
| const NANOS: u128 = Duration::SECOND.as_nanos(); |
| assert_eq!(NANOS, 1_000_000_000); |
| |
| const FROM_NANOS: Duration = Duration::from_nanos(1_000_000_000); |
| assert_eq!(FROM_NANOS, Duration::SECOND); |
| |
| const MAX: Duration = Duration::new(u64::MAX, 999_999_999); |
| |
| const CHECKED_ADD: Option<Duration> = MAX.checked_add(Duration::SECOND); |
| assert_eq!(CHECKED_ADD, None); |
| |
| const CHECKED_SUB: Option<Duration> = Duration::ZERO.checked_sub(Duration::SECOND); |
| assert_eq!(CHECKED_SUB, None); |
| |
| const CHECKED_MUL: Option<Duration> = Duration::SECOND.checked_mul(1); |
| assert_eq!(CHECKED_MUL, Some(Duration::SECOND)); |
| |
| /* FIXME(#110395) |
| const MUL_F32: Duration = Duration::SECOND.mul_f32(1.0); |
| assert_eq!(MUL_F32, Duration::SECOND); |
| |
| const MUL_F64: Duration = Duration::SECOND.mul_f64(1.0); |
| assert_eq!(MUL_F64, Duration::SECOND); |
| |
| const CHECKED_DIV: Option<Duration> = Duration::SECOND.checked_div(1); |
| assert_eq!(CHECKED_DIV, Some(Duration::SECOND)); |
| |
| const DIV_F32: Duration = Duration::SECOND.div_f32(1.0); |
| assert_eq!(DIV_F32, Duration::SECOND); |
| |
| const DIV_F64: Duration = Duration::SECOND.div_f64(1.0); |
| assert_eq!(DIV_F64, Duration::SECOND); |
| */ |
| |
| const DIV_DURATION_F32: f32 = Duration::SECOND.div_duration_f32(Duration::SECOND); |
| assert_eq!(DIV_DURATION_F32, 1.0); |
| |
| const DIV_DURATION_F64: f64 = Duration::SECOND.div_duration_f64(Duration::SECOND); |
| assert_eq!(DIV_DURATION_F64, 1.0); |
| |
| const SATURATING_ADD: Duration = MAX.saturating_add(Duration::SECOND); |
| assert_eq!(SATURATING_ADD, MAX); |
| |
| const SATURATING_SUB: Duration = Duration::ZERO.saturating_sub(Duration::SECOND); |
| assert_eq!(SATURATING_SUB, Duration::ZERO); |
| |
| 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); |
| } |