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 super::*;
use crate::Flags;
#[test]
fn cases() {
case(Some(1), "A", TestFlags::from_name);
case(Some(1 << 1), "B", TestFlags::from_name);
case(Some(1 | 1 << 1 | 1 << 2), "ABC", TestFlags::from_name);
case(None, "", TestFlags::from_name);
case(None, "a", TestFlags::from_name);
case(None, "0x1", TestFlags::from_name);
case(None, "A | B", TestFlags::from_name);
case(Some(0), "ZERO", TestZero::from_name);
case(Some(2), "二", TestUnicode::from_name);
case(None, "_", TestExternal::from_name);
case(None, "", TestExternal::from_name);
}
#[track_caller]
fn case<T: Flags>(expected: Option<T::Bits>, input: &str, inherent: impl FnOnce(&str) -> Option<T>)
where
<T as Flags>::Bits: std::fmt::Debug + PartialEq,
{
assert_eq!(
expected,
inherent(input).map(|f| f.bits()),
"T::from_name({:?})",
input
);
assert_eq!(
expected,
T::from_name(input).map(|f| f.bits()),
"Flags::from_name({:?})",
input
);
}
|
