1 use super::*;
2
3 use crate::Flags;
4
5 #[test]
cases()6 fn cases() {
7 case(Some(1), "A", TestFlags::from_name);
8 case(Some(1 << 1), "B", TestFlags::from_name);
9 case(Some(1 | 1 << 1 | 1 << 2), "ABC", TestFlags::from_name);
10
11 case(None, "", TestFlags::from_name);
12 case(None, "a", TestFlags::from_name);
13 case(None, "0x1", TestFlags::from_name);
14 case(None, "A | B", TestFlags::from_name);
15
16 case(Some(0), "ZERO", TestZero::from_name);
17
18 case(Some(2), "二", TestUnicode::from_name);
19
20 case(None, "_", TestExternal::from_name);
21
22 case(None, "", TestExternal::from_name);
23 }
24
25 #[track_caller]
case<T: Flags>(expected: Option<T::Bits>, input: &str, inherent: impl FnOnce(&str) -> Option<T>) where <T as Flags>::Bits: std::fmt::Debug + PartialEq,26 fn case<T: Flags>(expected: Option<T::Bits>, input: &str, inherent: impl FnOnce(&str) -> Option<T>)
27 where
28 <T as Flags>::Bits: std::fmt::Debug + PartialEq,
29 {
30 assert_eq!(
31 expected,
32 inherent(input).map(|f| f.bits()),
33 "T::from_name({:?})",
34 input
35 );
36 assert_eq!(
37 expected,
38 T::from_name(input).map(|f| f.bits()),
39 "Flags::from_name({:?})",
40 input
41 );
42 }
43