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Diffstat (limited to '')
-rw-r--r-- | compiler/rustc_middle/src/mir/interpret/allocation/tests.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/compiler/rustc_middle/src/mir/interpret/allocation/tests.rs b/compiler/rustc_middle/src/mir/interpret/allocation/tests.rs new file mode 100644 index 000000000..c9c3c50c5 --- /dev/null +++ b/compiler/rustc_middle/src/mir/interpret/allocation/tests.rs @@ -0,0 +1,19 @@ +use super::*; + +#[test] +fn uninit_mask() { + let mut mask = InitMask::new(Size::from_bytes(500), false); + assert!(!mask.get(Size::from_bytes(499))); + mask.set_range(alloc_range(Size::from_bytes(499), Size::from_bytes(1)), true); + assert!(mask.get(Size::from_bytes(499))); + mask.set_range((100..256).into(), true); + for i in 0..100 { + assert!(!mask.get(Size::from_bytes(i)), "{i} should not be set"); + } + for i in 100..256 { + assert!(mask.get(Size::from_bytes(i)), "{i} should be set"); + } + for i in 256..499 { + assert!(!mask.get(Size::from_bytes(i)), "{i} should not be set"); + } +} |