pub fn format_time_ms(ms: u64) -> String {
let total_secs = ms / 1000;
let hours = total_secs / 3600;
let minutes = (total_secs % 3600) / 60;
let seconds = total_secs % 60;
if hours > 0 {
format!("{}:{:02}:{:02}", hours, minutes, seconds)
} else {
format!("{}:{:02}", minutes, seconds)
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_format_seconds() {
assert_eq!(format_time_ms(0), "0:00");
assert_eq!(format_time_ms(5000), "0:05");
assert_eq!(format_time_ms(65000), "1:05");
assert_eq!(format_time_ms(3661000), "1:01:01");
}
}