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uucore: add more tests to parse_size

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Jan Scheer 2021-06-01 10:22:44 +02:00
parent 84f2bff778
commit a3e047ff16
1 changed files with 18 additions and 14 deletions
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32
src/uucore/src/lib/parser/parse_size.rs
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@ -53,14 +53,14 @@ pub fn parse_size(size: &str) -> Result<usize, ParseSizeError> {
let (base, exponent): (u128, u32) = match unit {
"" => (1, 0),
"b" => (512, 1), // (`head` and `tail` use "b")
"KiB" | "K" | "k" => (1024, 1),
"MiB" | "M" | "m" => (1024, 2),
"GiB" | "G" | "g" => (1024, 3),
"TiB" | "T" | "t" => (1024, 4),
"PiB" | "P" | "p" => (1024, 5),
"EiB" | "E" | "e" => (1024, 6),
"ZiB" | "Z" | "z" => (1024, 7),
"YiB" | "Y" | "y" => (1024, 8),
"KiB" | "kiB" | "K" | "k" => (1024, 1),
"MiB" | "miB" | "M" | "m" => (1024, 2),
"GiB" | "giB" | "G" | "g" => (1024, 3),
"TiB" | "tiB" | "T" | "t" => (1024, 4),
"PiB" | "piB" | "P" | "p" => (1024, 5),
"EiB" | "eiB" | "E" | "e" => (1024, 6),
"ZiB" | "ziB" | "Z" | "z" => (1024, 7),
"YiB" | "yiB" | "Y" | "y" => (1024, 8),
"KB" | "kB" => (1000, 1),
"MB" | "mB" => (1000, 2),
"GB" | "gB" => (1000, 3),
@ -152,19 +152,23 @@ mod tests {
for &(c, exp) in &suffixes {
let s = format!("2{}B", c); // KB
assert_eq!(Ok((2 * (1000 as u128).pow(exp)) as usize), parse_size(&s));
assert_eq!(Ok((2 * (1000_u128).pow(exp)) as usize), parse_size(&s));
let s = format!("2{}", c); // K
assert_eq!(Ok((2 * (1024 as u128).pow(exp)) as usize), parse_size(&s));
assert_eq!(Ok((2 * (1024_u128).pow(exp)) as usize), parse_size(&s));
let s = format!("2{}iB", c); // KiB
assert_eq!(Ok((2 * (1024 as u128).pow(exp)) as usize), parse_size(&s));
assert_eq!(Ok((2 * (1024_u128).pow(exp)) as usize), parse_size(&s));
let s = format!("2{}iB", c.to_lowercase()); // kiB
assert_eq!(Ok((2 * (1024_u128).pow(exp)) as usize), parse_size(&s));
// suffix only
let s = format!("{}B", c); // KB
assert_eq!(Ok(((1000 as u128).pow(exp)) as usize), parse_size(&s));
assert_eq!(Ok(((1000_u128).pow(exp)) as usize), parse_size(&s));
let s = format!("{}", c); // K
assert_eq!(Ok(((1024 as u128).pow(exp)) as usize), parse_size(&s));
assert_eq!(Ok(((1024_u128).pow(exp)) as usize), parse_size(&s));
let s = format!("{}iB", c); // KiB
assert_eq!(Ok(((1024 as u128).pow(exp)) as usize), parse_size(&s));
assert_eq!(Ok(((1024_u128).pow(exp)) as usize), parse_size(&s));
let s = format!("{}iB", c.to_lowercase()); // kiB
assert_eq!(Ok(((1024_u128).pow(exp)) as usize), parse_size(&s));
}
}