1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
use clap_num::maybe_bin;
#[cfg(test)]
mod basic {
use super::*;
// positive path
macro_rules! pos {
($NAME:ident, $VAL:expr, $RESULT:expr) => {
#[test]
fn $NAME() {
assert_eq!(maybe_bin($VAL), Ok($RESULT));
}
};
}
// negative path
macro_rules! neg {
($NAME:ident, $VAL:expr, $RESULT:expr) => {
#[test]
fn $NAME() {
let val: Result<u64, String> = maybe_bin($VAL);
assert_eq!(val, Err(String::from($RESULT)));
}
};
}
pos!(simple, "123", 123u8);
pos!(zero_dec, "0", 0u16);
pos!(zero_bin, "0b0", 0u16);
pos!(one_dec, "1", 1u64);
pos!(one_bin, "0b1", 1u64);
pos!(aa, "0b10101010", 0xaau64);
pos!(leading_zero, "001", 1u64);
neg!(
missing_suffix,
"0b",
"cannot parse integer from empty string"
);
neg!(non_bin_digit, "0b12G", "invalid digit found in string");
}
|
