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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-12 05:43:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-12 05:43:14 +0000 |
commit | 8dd16259287f58f9273002717ec4d27e97127719 (patch) | |
tree | 3863e62a53829a84037444beab3abd4ed9dfc7d0 /third_party/rust/bitflags/src/tests/symmetric_difference.rs | |
parent | Releasing progress-linux version 126.0.1-1~progress7.99u1. (diff) | |
download | firefox-8dd16259287f58f9273002717ec4d27e97127719.tar.xz firefox-8dd16259287f58f9273002717ec4d27e97127719.zip |
Merging upstream version 127.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | third_party/rust/bitflags/src/tests/symmetric_difference.rs | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/third_party/rust/bitflags/src/tests/symmetric_difference.rs b/third_party/rust/bitflags/src/tests/symmetric_difference.rs new file mode 100644 index 0000000000..75e9123ac5 --- /dev/null +++ b/third_party/rust/bitflags/src/tests/symmetric_difference.rs @@ -0,0 +1,110 @@ +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, + ); + } +} |