test_format/
test_format.rs

1use rstime::{DateTime, Date, Time, TimeFormat};
2
3fn main() {
4    println!("=== rstime 格式化测试 ===\n");
5
6    let dt = DateTime::from_ymd_hms_milli(2026, 5, 10, 14, 5, 9, 37);
7    let d = Date::new(2026, 5, 10);
8    let t = Time::new(14, 5, 9, 37);
9
10    println!("DateTime 格式化:");
11    println!("  YYYY-MM-DD HH:mm:ss    → {}", dt.format("{YYYY}-{MM}-{DD} {HH}:{mm}:{ss}"));
12    println!("  YYYY/MM/DD             → {}", dt.format("{YYYY}/{MM}/{DD}"));
13    println!("  YY-M-D                  → {}", dt.format("{YY}-{M}-{D}"));
14    println!("  12h                     → {}", dt.format("{hh}:{mm} {AMPM}"));
15    println!("  12h lowercase           → {}", dt.format("{h}:{m} {ampm}"));
16    println!("  With millis             → {}", dt.format("{HH}:{mm}:{ss}.{SSS}"));
17    println!("  Weekday short           → {}", dt.format("{W}"));
18    println!("  Weekday full            → {}", dt.format("{WW}"));
19    println!("  Literal text            → {}", dt.format("Today is {YYYY}-{MM}-{DD}!"));
20    println!();
21
22    println!("Date 格式化:");
23    println!("  YYYY-MM-DD              → {}", d.format("{YYYY}-{MM}-{DD}"));
24    println!("  Chinese date            → {}", d.format("{YYYY}年{MM}月{DD}日"));
25    println!("  Year only               → {}", d.format("{YYYY}"));
26    println!();
27
28    println!("Time 格式化:");
29    println!("  HH:mm:ss                → {}", t.format("{HH}:{mm}:{ss}"));
30    println!("  12h with AM/PM          → {}", t.format("{hh}:{mm} {AMPM}"));
31    println!("  With millis             → {}", t.format("{HH}:{mm}:{ss}.{SSS}"));
32    println!();
33
34    println!("预置格式:");
35    println!("  ISO8601:      {}", dt.format("{YYYY}-{MM}-{DD}T{HH}:{mm}:{ss}"));
36    println!("  RFC2822-ish:  {}", dt.format("{W}, {DD} {MM} {YYYY} {HH}:{mm}:{ss}"));
37    println!();
38
39    println!("边界值测试:");
40    let midnight = Time::MIDNIGHT;
41    let noon = Time::NOON;
42    let max = Time::MAX;
43    println!("  Midnight  → {}", midnight.format("{HH}:{mm}:{ss} {AMPM}"));
44    println!("  Noon      → {}", noon.format("{HH}:{mm}:{ss} {AMPM}"));
45    println!("  Max       → {}", max.format("{HH}:{mm}:{ss}.{SSS}"));
46    println!();
47
48    println!("✅ 格式化测试完成！");
49}
test_format/test_format.rs

test_format/
test_format.rs
