1 use core::time::Duration;
5 assert_ne!(Duration::from_secs(1), Duration::from_secs(0));
6 assert_eq!(Duration::from_secs(1) + Duration::from_secs(2), Duration::from_secs(3));
8 Duration::from_millis(10) + Duration::from_secs(4),
9 Duration::new(4, 10 * 1_000_000)
11 assert_eq!(Duration::from_millis(4000), Duration::new(4, 0));
17 let _ = Duration::new(::core::u64::MAX, 1_000_000_000);
22 assert_eq!(Duration::new(0, 0).as_secs(), 0);
23 assert_eq!(Duration::new(0, 500_000_005).as_secs(), 0);
24 assert_eq!(Duration::new(0, 1_050_000_001).as_secs(), 1);
25 assert_eq!(Duration::from_secs(1).as_secs(), 1);
26 assert_eq!(Duration::from_millis(999).as_secs(), 0);
27 assert_eq!(Duration::from_millis(1001).as_secs(), 1);
28 assert_eq!(Duration::from_micros(999_999).as_secs(), 0);
29 assert_eq!(Duration::from_micros(1_000_001).as_secs(), 1);
30 assert_eq!(Duration::from_nanos(999_999_999).as_secs(), 0);
31 assert_eq!(Duration::from_nanos(1_000_000_001).as_secs(), 1);
36 assert_eq!(Duration::new(0, 0).subsec_millis(), 0);
37 assert_eq!(Duration::new(0, 500_000_005).subsec_millis(), 500);
38 assert_eq!(Duration::new(0, 1_050_000_001).subsec_millis(), 50);
39 assert_eq!(Duration::from_secs(1).subsec_millis(), 0);
40 assert_eq!(Duration::from_millis(999).subsec_millis(), 999);
41 assert_eq!(Duration::from_millis(1001).subsec_millis(), 1);
42 assert_eq!(Duration::from_micros(999_999).subsec_millis(), 999);
43 assert_eq!(Duration::from_micros(1_001_000).subsec_millis(), 1);
44 assert_eq!(Duration::from_nanos(999_999_999).subsec_millis(), 999);
45 assert_eq!(Duration::from_nanos(1_001_000_000).subsec_millis(), 1);
50 assert_eq!(Duration::new(0, 0).subsec_micros(), 0);
51 assert_eq!(Duration::new(0, 500_000_005).subsec_micros(), 500_000);
52 assert_eq!(Duration::new(0, 1_050_000_001).subsec_micros(), 50_000);
53 assert_eq!(Duration::from_secs(1).subsec_micros(), 0);
54 assert_eq!(Duration::from_millis(999).subsec_micros(), 999_000);
55 assert_eq!(Duration::from_millis(1001).subsec_micros(), 1_000);
56 assert_eq!(Duration::from_micros(999_999).subsec_micros(), 999_999);
57 assert_eq!(Duration::from_micros(1_000_001).subsec_micros(), 1);
58 assert_eq!(Duration::from_nanos(999_999_999).subsec_micros(), 999_999);
59 assert_eq!(Duration::from_nanos(1_000_001_000).subsec_micros(), 1);
64 assert_eq!(Duration::new(0, 0).subsec_nanos(), 0);
65 assert_eq!(Duration::new(0, 5).subsec_nanos(), 5);
66 assert_eq!(Duration::new(0, 1_000_000_001).subsec_nanos(), 1);
67 assert_eq!(Duration::from_secs(1).subsec_nanos(), 0);
68 assert_eq!(Duration::from_millis(999).subsec_nanos(), 999_000_000);
69 assert_eq!(Duration::from_millis(1001).subsec_nanos(), 1_000_000);
70 assert_eq!(Duration::from_micros(999_999).subsec_nanos(), 999_999_000);
71 assert_eq!(Duration::from_micros(1_000_001).subsec_nanos(), 1000);
72 assert_eq!(Duration::from_nanos(999_999_999).subsec_nanos(), 999_999_999);
73 assert_eq!(Duration::from_nanos(1_000_000_001).subsec_nanos(), 1);
78 assert_eq!(Duration::new(0, 0) + Duration::new(0, 1), Duration::new(0, 1));
79 assert_eq!(Duration::new(0, 500_000_000) + Duration::new(0, 500_000_001), Duration::new(1, 1));
84 assert_eq!(Duration::new(0, 0).checked_add(Duration::new(0, 1)), Some(Duration::new(0, 1)));
86 Duration::new(0, 500_000_000).checked_add(Duration::new(0, 500_000_001)),
87 Some(Duration::new(1, 1))
89 assert_eq!(Duration::new(1, 0).checked_add(Duration::new(::core::u64::MAX, 0)), None);
94 assert_eq!(Duration::new(0, 1) - Duration::new(0, 0), Duration::new(0, 1));
95 assert_eq!(Duration::new(0, 500_000_001) - Duration::new(0, 500_000_000), Duration::new(0, 1));
96 assert_eq!(Duration::new(1, 0) - Duration::new(0, 1), Duration::new(0, 999_999_999));
101 let zero = Duration::new(0, 0);
102 let one_nano = Duration::new(0, 1);
103 let one_sec = Duration::new(1, 0);
104 assert_eq!(one_nano.checked_sub(zero), Some(Duration::new(0, 1)));
105 assert_eq!(one_sec.checked_sub(one_nano), Some(Duration::new(0, 999_999_999)));
106 assert_eq!(zero.checked_sub(one_nano), None);
107 assert_eq!(zero.checked_sub(one_sec), None);
113 let _ = Duration::new(0, 0) - Duration::new(0, 1);
119 let _ = Duration::new(0, 0) - Duration::new(1, 0);
124 assert_eq!(Duration::new(0, 1) * 2, Duration::new(0, 2));
125 assert_eq!(Duration::new(1, 1) * 3, Duration::new(3, 3));
126 assert_eq!(Duration::new(0, 500_000_001) * 4, Duration::new(2, 4));
127 assert_eq!(Duration::new(0, 500_000_001) * 4000, Duration::new(2000, 4000));
132 assert_eq!(Duration::new(0, 1).checked_mul(2), Some(Duration::new(0, 2)));
133 assert_eq!(Duration::new(1, 1).checked_mul(3), Some(Duration::new(3, 3)));
134 assert_eq!(Duration::new(0, 500_000_001).checked_mul(4), Some(Duration::new(2, 4)));
135 assert_eq!(Duration::new(0, 500_000_001).checked_mul(4000), Some(Duration::new(2000, 4000)));
136 assert_eq!(Duration::new(::core::u64::MAX - 1, 0).checked_mul(2), None);
141 assert_eq!(Duration::new(0, 1) / 2, Duration::new(0, 0));
142 assert_eq!(Duration::new(1, 1) / 3, Duration::new(0, 333_333_333));
143 assert_eq!(Duration::new(99, 999_999_000) / 100, Duration::new(0, 999_999_990));
148 assert_eq!(Duration::new(2, 0).checked_div(2), Some(Duration::new(1, 0)));
149 assert_eq!(Duration::new(1, 0).checked_div(2), Some(Duration::new(0, 500_000_000)));
150 assert_eq!(Duration::new(2, 0).checked_div(0), None);
156 Duration::new(1, 999_999_999),
157 Duration::new(2, 999_999_999),
158 Duration::new(0, 999_999_999),
159 Duration::new(0, 999_999_999),
160 Duration::new(0, 999_999_999),
163 let sum = durations.iter().sum::<Duration>();
164 assert_eq!(sum, Duration::new(1 + 2 + 5 + 4, 1_000_000_000 - 5));
168 fn debug_formatting_extreme_values() {
170 format!("{:?}", Duration::new(18_446_744_073_709_551_615, 123_456_789)),
171 "18446744073709551615.123456789s"
176 fn debug_formatting_secs() {
177 assert_eq!(format!("{:?}", Duration::new(7, 000_000_000)), "7s");
178 assert_eq!(format!("{:?}", Duration::new(7, 100_000_000)), "7.1s");
179 assert_eq!(format!("{:?}", Duration::new(7, 000_010_000)), "7.00001s");
180 assert_eq!(format!("{:?}", Duration::new(7, 000_000_001)), "7.000000001s");
181 assert_eq!(format!("{:?}", Duration::new(7, 123_456_789)), "7.123456789s");
183 assert_eq!(format!("{:?}", Duration::new(88, 000_000_000)), "88s");
184 assert_eq!(format!("{:?}", Duration::new(88, 100_000_000)), "88.1s");
185 assert_eq!(format!("{:?}", Duration::new(88, 000_010_000)), "88.00001s");
186 assert_eq!(format!("{:?}", Duration::new(88, 000_000_001)), "88.000000001s");
187 assert_eq!(format!("{:?}", Duration::new(88, 123_456_789)), "88.123456789s");
189 assert_eq!(format!("{:?}", Duration::new(999, 000_000_000)), "999s");
190 assert_eq!(format!("{:?}", Duration::new(999, 100_000_000)), "999.1s");
191 assert_eq!(format!("{:?}", Duration::new(999, 000_010_000)), "999.00001s");
192 assert_eq!(format!("{:?}", Duration::new(999, 000_000_001)), "999.000000001s");
193 assert_eq!(format!("{:?}", Duration::new(999, 123_456_789)), "999.123456789s");
197 fn debug_formatting_millis() {
198 assert_eq!(format!("{:?}", Duration::new(0, 7_000_000)), "7ms");
199 assert_eq!(format!("{:?}", Duration::new(0, 7_100_000)), "7.1ms");
200 assert_eq!(format!("{:?}", Duration::new(0, 7_000_001)), "7.000001ms");
201 assert_eq!(format!("{:?}", Duration::new(0, 7_123_456)), "7.123456ms");
203 assert_eq!(format!("{:?}", Duration::new(0, 88_000_000)), "88ms");
204 assert_eq!(format!("{:?}", Duration::new(0, 88_100_000)), "88.1ms");
205 assert_eq!(format!("{:?}", Duration::new(0, 88_000_001)), "88.000001ms");
206 assert_eq!(format!("{:?}", Duration::new(0, 88_123_456)), "88.123456ms");
208 assert_eq!(format!("{:?}", Duration::new(0, 999_000_000)), "999ms");
209 assert_eq!(format!("{:?}", Duration::new(0, 999_100_000)), "999.1ms");
210 assert_eq!(format!("{:?}", Duration::new(0, 999_000_001)), "999.000001ms");
211 assert_eq!(format!("{:?}", Duration::new(0, 999_123_456)), "999.123456ms");
215 fn debug_formatting_micros() {
216 assert_eq!(format!("{:?}", Duration::new(0, 7_000)), "7µs");
217 assert_eq!(format!("{:?}", Duration::new(0, 7_100)), "7.1µs");
218 assert_eq!(format!("{:?}", Duration::new(0, 7_001)), "7.001µs");
219 assert_eq!(format!("{:?}", Duration::new(0, 7_123)), "7.123µs");
221 assert_eq!(format!("{:?}", Duration::new(0, 88_000)), "88µs");
222 assert_eq!(format!("{:?}", Duration::new(0, 88_100)), "88.1µs");
223 assert_eq!(format!("{:?}", Duration::new(0, 88_001)), "88.001µs");
224 assert_eq!(format!("{:?}", Duration::new(0, 88_123)), "88.123µs");
226 assert_eq!(format!("{:?}", Duration::new(0, 999_000)), "999µs");
227 assert_eq!(format!("{:?}", Duration::new(0, 999_100)), "999.1µs");
228 assert_eq!(format!("{:?}", Duration::new(0, 999_001)), "999.001µs");
229 assert_eq!(format!("{:?}", Duration::new(0, 999_123)), "999.123µs");
233 fn debug_formatting_nanos() {
234 assert_eq!(format!("{:?}", Duration::new(0, 0)), "0ns");
235 assert_eq!(format!("{:?}", Duration::new(0, 1)), "1ns");
236 assert_eq!(format!("{:?}", Duration::new(0, 88)), "88ns");
237 assert_eq!(format!("{:?}", Duration::new(0, 999)), "999ns");
241 fn debug_formatting_precision_zero() {
242 assert_eq!(format!("{:.0?}", Duration::new(0, 0)), "0ns");
243 assert_eq!(format!("{:.0?}", Duration::new(0, 123)), "123ns");
245 assert_eq!(format!("{:.0?}", Duration::new(0, 1_001)), "1µs");
246 assert_eq!(format!("{:.0?}", Duration::new(0, 1_499)), "1µs");
247 assert_eq!(format!("{:.0?}", Duration::new(0, 1_500)), "2µs");
248 assert_eq!(format!("{:.0?}", Duration::new(0, 1_999)), "2µs");
250 assert_eq!(format!("{:.0?}", Duration::new(0, 1_000_001)), "1ms");
251 assert_eq!(format!("{:.0?}", Duration::new(0, 1_499_999)), "1ms");
252 assert_eq!(format!("{:.0?}", Duration::new(0, 1_500_000)), "2ms");
253 assert_eq!(format!("{:.0?}", Duration::new(0, 1_999_999)), "2ms");
255 assert_eq!(format!("{:.0?}", Duration::new(1, 000_000_001)), "1s");
256 assert_eq!(format!("{:.0?}", Duration::new(1, 499_999_999)), "1s");
257 assert_eq!(format!("{:.0?}", Duration::new(1, 500_000_000)), "2s");
258 assert_eq!(format!("{:.0?}", Duration::new(1, 999_999_999)), "2s");
262 fn debug_formatting_precision_two() {
263 assert_eq!(format!("{:.2?}", Duration::new(0, 0)), "0.00ns");
264 assert_eq!(format!("{:.2?}", Duration::new(0, 123)), "123.00ns");
266 assert_eq!(format!("{:.2?}", Duration::new(0, 1_000)), "1.00µs");
267 assert_eq!(format!("{:.2?}", Duration::new(0, 7_001)), "7.00µs");
268 assert_eq!(format!("{:.2?}", Duration::new(0, 7_100)), "7.10µs");
269 assert_eq!(format!("{:.2?}", Duration::new(0, 7_109)), "7.11µs");
270 assert_eq!(format!("{:.2?}", Duration::new(0, 7_199)), "7.20µs");
271 assert_eq!(format!("{:.2?}", Duration::new(0, 1_999)), "2.00µs");
273 assert_eq!(format!("{:.2?}", Duration::new(0, 1_000_000)), "1.00ms");
274 assert_eq!(format!("{:.2?}", Duration::new(0, 3_001_000)), "3.00ms");
275 assert_eq!(format!("{:.2?}", Duration::new(0, 3_100_000)), "3.10ms");
276 assert_eq!(format!("{:.2?}", Duration::new(0, 1_999_999)), "2.00ms");
278 assert_eq!(format!("{:.2?}", Duration::new(1, 000_000_000)), "1.00s");
279 assert_eq!(format!("{:.2?}", Duration::new(4, 001_000_000)), "4.00s");
280 assert_eq!(format!("{:.2?}", Duration::new(2, 100_000_000)), "2.10s");
281 assert_eq!(format!("{:.2?}", Duration::new(2, 104_990_000)), "2.10s");
282 assert_eq!(format!("{:.2?}", Duration::new(2, 105_000_000)), "2.11s");
283 assert_eq!(format!("{:.2?}", Duration::new(8, 999_999_999)), "9.00s");
287 fn debug_formatting_precision_high() {
288 assert_eq!(format!("{:.5?}", Duration::new(0, 23_678)), "23.67800µs");
290 assert_eq!(format!("{:.9?}", Duration::new(1, 000_000_000)), "1.000000000s");
291 assert_eq!(format!("{:.10?}", Duration::new(4, 001_000_000)), "4.0010000000s");
292 assert_eq!(format!("{:.20?}", Duration::new(4, 001_000_000)), "4.00100000000000000000s");