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|
use clap::Parser;
use clap_num::si_number;
#[test]
fn utf8_byte_index_not_char_boundry() {
let _ = si_number::<u64>("˲TP");
}
#[test]
fn utf8_byte_index_not_char_boundry_with_decimal() {
let _ = si_number::<u64>("˲.E");
}
// standalone basic tests
#[cfg(test)]
mod basic {
use super::*;
macro_rules! pos {
($NAME:ident, $VAL:expr, $RESULT:expr) => {
#[test]
fn $NAME() {
assert_eq!(si_number($VAL), Ok($RESULT));
}
};
}
macro_rules! neg {
($NAME:ident, $VAL:expr, $TYPE:ident, $RESULT:expr) => {
#[test]
fn $NAME() {
let num: Result<$TYPE, String> = si_number($VAL);
assert_eq!(num, Err(String::from($RESULT)));
}
};
}
// basic positive path
pos!(zero, "0", 0u8);
pos!(one, "1", 1u8);
pos!(neg_one, "-1", -1i8);
pos!(limit, "255", 255u8);
pos!(underscores, "1_000_000", 1_000_000u32);
// basic positive path with Si suffix
pos!(kilo, "1k", 1_000u16);
pos!(kilo_caps, "1K", 1_000u16);
pos!(mega, "1M", 1_000_000u32);
pos!(giga, "1G", 1_000_000_000u64);
pos!(tera, "1T", 1_000_000_000_000u64);
pos!(peta, "1P", 1_000_000_000_000_000u64);
pos!(exa, "1E", 1_000_000_000_000_000_000u64);
pos!(zetta, "1Z", 1_000_000_000_000_000_000_000u128);
pos!(yotta, "1Y", 1_000_000_000_000_000_000_000_000u128);
pos!(trailing_1, "1k2", 1_200u16);
pos!(trailing_2, "1k23", 1_230u16);
pos!(trailing_3, "1k234", 1_234u16);
neg!(trailing_4, "1k2345", u16, "not an integer");
pos!(trailing_do_nothing, "1k000", 1_000u16);
pos!(negative_trailing, "-1k234", -1_234i16);
pos!(leading_2, "12k123", 12_123u16);
pos!(leading_3, "123k123", 123_123u32);
pos!(leading_4, "1234k123", 1_234_123i32);
pos!(negative_leading, "-123k123", -123_123i32);
pos!(dec_1, "1.2k", 1_200u16);
pos!(dec_2, "1.23k", 1_230u16);
pos!(dec_3, "1.234k", 1_234u16);
neg!(dec_4, "1.2345k", u16, "not an integer");
pos!(dec_do_nothing, "1.000k", 1_000u16);
pos!(dec_ending_si, "1.k", 1_000u16);
neg!(mixed_1, "1K23.45", u16, "not an integer");
neg!(mixed_2, "1.23k45", u16, "invalid digit found in string");
neg!(trailing_dec, "1.", u8, "invalid digit found in string");
pos!(
big,
"1Y123456789987654321",
1_123_456_789_987_654_321_000_000u128
);
neg!(leading_si, "k1", u16, "no value found before SI symbol");
neg!(overflow, "1k", u8, "number too large to fit in target type");
neg!(
normal_overflow,
"300",
u8,
"number too large to fit in target type"
);
neg!(multiple_suffix, "1kk", u16, "invalid digit found in string");
}
// integration tests with clap
#[cfg(test)]
mod integration {
use super::*;
#[derive(Parser)]
struct Args {
#[clap(long, value_parser=si_number::<u128>)]
resistance: u128,
}
// positive path
macro_rules! pos {
($NAME:ident, $VAL:expr, $RESULT:expr) => {
#[test]
fn $NAME() {
let opt = Args::parse_from(&["", "--resistance", $VAL]);
assert_eq!(opt.resistance, $RESULT);
}
};
}
// negative path
macro_rules! neg {
($NAME:ident, $VAL:expr, $RESULT:expr) => {
#[test]
fn $NAME() {
let opt = Args::try_parse_from(&["", "--resistance", $VAL]);
match opt {
Err(e) => {
assert!(format!("{:?}", e).contains($RESULT));
}
_ => unreachable!(),
};
}
};
}
pos!(simple_0, "1k123", 1123);
pos!(simple_1, "456789k123", 456789123);
pos!(simple_2, "1M1", 1_100_000);
neg!(big, "999999999999999999999Y", "too large");
neg!(invalid, "1k1k", "invalid digit");
neg!(precise, "1k1111", "not an integer");
neg!(leading_prefix, "k123", "no value found before SI symbol");
}
|
