diff options
Diffstat (limited to 'third_party/rust/bitflags/src/tests/is_empty.rs')
-rw-r--r-- | third_party/rust/bitflags/src/tests/is_empty.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/third_party/rust/bitflags/src/tests/is_empty.rs b/third_party/rust/bitflags/src/tests/is_empty.rs new file mode 100644 index 0000000000..92165f18e3 --- /dev/null +++ b/third_party/rust/bitflags/src/tests/is_empty.rs @@ -0,0 +1,31 @@ +use super::*; + +use crate::Flags; + +#[test] +fn cases() { + case(true, TestFlags::empty(), TestFlags::is_empty); + + case(false, TestFlags::A, TestFlags::is_empty); + case(false, TestFlags::ABC, TestFlags::is_empty); + case( + false, + TestFlags::from_bits_retain(1 << 3), + TestFlags::is_empty, + ); + + case(true, TestZero::empty(), TestZero::is_empty); + + case(true, TestEmpty::empty(), TestEmpty::is_empty); +} + +#[track_caller] +fn case<T: Flags + std::fmt::Debug>(expected: bool, value: T, inherent: impl FnOnce(&T) -> bool) { + assert_eq!(expected, inherent(&value), "{:?}.is_empty()", value); + assert_eq!( + expected, + Flags::is_empty(&value), + "Flags::is_empty({:?})", + value + ); +} |