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Improve core::ptr coverage #146488

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Merged
merged 1 commit into from
Sep 15, 2025
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Improve core::ptr coverage #146488

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8 changes: 8 additions & 0 deletions library/coretests/tests/ptr.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -489,6 +489,14 @@ fn is_aligned() {
assert_ne!(ptr.is_aligned_to(8), ptr.wrapping_add(1).is_aligned_to(8));
}

#[test]
#[should_panic = "is_aligned_to: align is not a power-of-two"]
fn invalid_is_aligned() {
let data = 42;
let ptr: *const i32 = &data;
assert!(ptr.is_aligned_to(3));
}

#[test]
fn offset_from() {
let mut a = [0; 5];
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