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use super::*;
use crate::Flags;
#[test]
fn cases() {
case(
TestFlags::empty(),
&[
(TestFlags::empty(), false),
(TestFlags::A, false),
(TestFlags::B, false),
(TestFlags::C, false),
(TestFlags::from_bits_retain(1 << 3), false),
],
TestFlags::intersects,
);
case(
TestFlags::A,
&[
(TestFlags::empty(), false),
(TestFlags::A, true),
(TestFlags::B, false),
(TestFlags::C, false),
(TestFlags::ABC, true),
(TestFlags::from_bits_retain(1 << 3), false),
(TestFlags::from_bits_retain(1 | (1 << 3)), true),
],
TestFlags::intersects,
);
case(
TestFlags::ABC,
&[
(TestFlags::empty(), false),
(TestFlags::A, true),
(TestFlags::B, true),
(TestFlags::C, true),
(TestFlags::ABC, true),
(TestFlags::from_bits_retain(1 << 3), false),
],
TestFlags::intersects,
);
case(
TestFlags::from_bits_retain(1 << 3),
&[
(TestFlags::empty(), false),
(TestFlags::A, false),
(TestFlags::B, false),
(TestFlags::C, false),
(TestFlags::from_bits_retain(1 << 3), true),
],
TestFlags::intersects,
);
case(
TestOverlapping::AB,
&[
(TestOverlapping::AB, true),
(TestOverlapping::BC, true),
(TestOverlapping::from_bits_retain(1 << 1), true),
],
TestOverlapping::intersects,
);
}
#[track_caller]
fn case<T: Flags + std::fmt::Debug + Copy>(
value: T,
inputs: &[(T, bool)],
mut inherent: impl FnMut(&T, T) -> bool,
) {
for (input, expected) in inputs {
assert_eq!(
*expected,
inherent(&value, *input),
"{:?}.intersects({:?})",
value,
input
);
assert_eq!(
*expected,
Flags::intersects(&value, *input),
"Flags::intersects({:?}, {:?})",
value,
input
);
}
}