111 lines
2.6 KiB
Rust
111 lines
2.6 KiB
Rust
use super::*;
|
|
|
|
use crate::Flags;
|
|
|
|
#[test]
|
|
fn cases() {
|
|
case(
|
|
TestFlags::empty(),
|
|
&[
|
|
(TestFlags::empty(), 0),
|
|
(TestFlags::all(), 1 | 1 << 1 | 1 << 2),
|
|
(TestFlags::from_bits_retain(1 << 3), 1 << 3),
|
|
],
|
|
TestFlags::symmetric_difference,
|
|
TestFlags::toggle,
|
|
);
|
|
|
|
case(
|
|
TestFlags::A,
|
|
&[
|
|
(TestFlags::empty(), 1),
|
|
(TestFlags::A, 0),
|
|
(TestFlags::all(), 1 << 1 | 1 << 2),
|
|
],
|
|
TestFlags::symmetric_difference,
|
|
TestFlags::toggle,
|
|
);
|
|
|
|
case(
|
|
TestFlags::A | TestFlags::B | TestFlags::from_bits_retain(1 << 3),
|
|
&[
|
|
(TestFlags::ABC, 1 << 2 | 1 << 3),
|
|
(TestFlags::from_bits_retain(1 << 3), 1 | 1 << 1),
|
|
],
|
|
TestFlags::symmetric_difference,
|
|
TestFlags::toggle,
|
|
);
|
|
}
|
|
|
|
#[track_caller]
|
|
fn case<T: Flags + std::fmt::Debug + std::ops::BitXor<Output = T> + std::ops::BitXorAssign + Copy>(
|
|
value: T,
|
|
inputs: &[(T, T::Bits)],
|
|
mut inherent_sym_diff: impl FnMut(T, T) -> T,
|
|
mut inherent_toggle: impl FnMut(&mut T, T),
|
|
) where
|
|
T::Bits: std::fmt::Debug + PartialEq + Copy,
|
|
{
|
|
for (input, expected) in inputs {
|
|
assert_eq!(
|
|
*expected,
|
|
inherent_sym_diff(value, *input).bits(),
|
|
"{:?}.symmetric_difference({:?})",
|
|
value,
|
|
input
|
|
);
|
|
assert_eq!(
|
|
*expected,
|
|
Flags::symmetric_difference(value, *input).bits(),
|
|
"Flags::symmetric_difference({:?}, {:?})",
|
|
value,
|
|
input
|
|
);
|
|
assert_eq!(
|
|
*expected,
|
|
(value ^ *input).bits(),
|
|
"{:?} ^ {:?}",
|
|
value,
|
|
input
|
|
);
|
|
assert_eq!(
|
|
*expected,
|
|
{
|
|
let mut value = value;
|
|
value ^= *input;
|
|
value
|
|
}
|
|
.bits(),
|
|
"{:?} ^= {:?}",
|
|
value,
|
|
input,
|
|
);
|
|
|
|
assert_eq!(
|
|
*expected,
|
|
{
|
|
let mut value = value;
|
|
inherent_toggle(&mut value, *input);
|
|
value
|
|
}
|
|
.bits(),
|
|
"{:?}.toggle({:?})",
|
|
value,
|
|
input,
|
|
);
|
|
|
|
assert_eq!(
|
|
*expected,
|
|
{
|
|
let mut value = value;
|
|
Flags::toggle(&mut value, *input);
|
|
value
|
|
}
|
|
.bits(),
|
|
"{:?}.toggle({:?})",
|
|
value,
|
|
input,
|
|
);
|
|
}
|
|
}
|