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use super::*;
use crate::Flags;
#[test]
fn cases() {
case(
TestFlags::empty(),
&[
(TestFlags::A, 0),
(TestFlags::empty(), 0),
(TestFlags::from_bits_retain(1 << 3), 0),
],
TestFlags::remove,
TestFlags::set,
);
case(
TestFlags::A,
&[
(TestFlags::A, 0),
(TestFlags::empty(), 1),
(TestFlags::B, 1),
],
TestFlags::remove,
TestFlags::set,
);
case(
TestFlags::ABC,
&[
(TestFlags::A, 1 << 1 | 1 << 2),
(TestFlags::A | TestFlags::C, 1 << 1),
],
TestFlags::remove,
TestFlags::set,
);
}
#[track_caller]
fn case<T: Flags + std::fmt::Debug + Copy>(
value: T,
inputs: &[(T, T::Bits)],
mut inherent_remove: impl FnMut(&mut T, T),
mut inherent_set: impl FnMut(&mut T, T, bool),
) where
T::Bits: std::fmt::Debug + PartialEq + Copy,
{
for (input, expected) in inputs {
assert_eq!(
*expected,
{
let mut value = value;
inherent_remove(&mut value, *input);
value
}
.bits(),
"{:?}.remove({:?})",
value,
input
);
assert_eq!(
*expected,
{
let mut value = value;
Flags::remove(&mut value, *input);
value
}
.bits(),
"Flags::remove({:?}, {:?})",
value,
input
);
assert_eq!(
*expected,
{
let mut value = value;
inherent_set(&mut value, *input, false);
value
}
.bits(),
"{:?}.set({:?}, false)",
value,
input
);
assert_eq!(
*expected,
{
let mut value = value;
Flags::set(&mut value, *input, false);
value
}
.bits(),
"Flags::set({:?}, {:?}, false)",
value,
input
);
}
}