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Add conversion from Bytes to Vec<u8> (#547)

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Signed-off-by: Jiahao XU <[email protected]>
Co-authored-by: Alice Ryhl <[email protected]>
This commit is contained in:
Jiahao XU
2022-07-13 09:04:23 +02:00
committed by GitHub
co-authored by Alice Ryhl
parent 10d1f6ec5c
commit cd188cbd67
5 changed files with 240 additions and 0 deletions
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tests/test_bytes_odd_alloc.rs
+29
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@@ -66,3 +66,32 @@ fn test_bytes_clone_drop() {
let b1 = Bytes::from(vec);
let _b2 = b1.clone();
}
#[test]
fn test_bytes_into_vec() {
let vec = vec![33u8; 1024];
// Test cases where kind == KIND_VEC
let b1 = Bytes::from(vec.clone());
assert_eq!(Vec::from(b1), vec);
// Test cases where kind == KIND_ARC, ref_cnt == 1
let b1 = Bytes::from(vec.clone());
drop(b1.clone());
assert_eq!(Vec::from(b1), vec);
// Test cases where kind == KIND_ARC, ref_cnt == 2
let b1 = Bytes::from(vec.clone());
let b2 = b1.clone();
assert_eq!(Vec::from(b1), vec);
// Test cases where vtable = SHARED_VTABLE, kind == KIND_ARC, ref_cnt == 1
assert_eq!(Vec::from(b2), vec);
// Test cases where offset != 0
let mut b1 = Bytes::from(vec.clone());
let b2 = b1.split_off(20);
assert_eq!(Vec::from(b2), vec[20..]);
assert_eq!(Vec::from(b1), vec[..20]);
}