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rust-bitcoin-unsafe-fast
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Test OutPoint edge case to kill mutant 

There is a mutant found in `FromStr for OutPoint`.

Add a test to check an edge case to kill the mutant.
This commit is contained in:
Jamil Lambert, PhD 2025-06-19 17:14:16 +01:00
parent 5743a81128
commit f3338655f1
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1 changed files with 13 additions and 2 deletions
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15
primitives/src/transaction.rs
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@ -729,9 +729,20 @@ mod tests {
// Check the number of bytes OutPoint contributes to the transaction is equal to SIZE // Check the number of bytes OutPoint contributes to the transaction is equal to SIZE
let outpoint_size = outpoint.txid.as_byte_array().len() + outpoint.vout.to_le_bytes().len(); let outpoint_size = outpoint.txid.as_byte_array().len() + outpoint.vout.to_le_bytes().len();
assert_eq!(outpoint_size, OutPoint::SIZE); assert_eq!(outpoint_size, OutPoint::SIZE);
}
// Check TooLong error #[test]
outpoint_str.push_str("0000000000"); #[cfg(feature = "hex")]
fn outpoint_from_str_too_long() {
// Check edge case: length exactly 75
let mut outpoint_str = "0".repeat(64);
outpoint_str.push_str(":1234567890");
assert_eq!(outpoint_str.len(), 75);
assert!(outpoint_str.parse::<OutPoint>().is_ok());
// Check TooLong error (length 76)
outpoint_str.push('0');
assert_eq!(outpoint_str.len(), 76);
let outpoint: Result<OutPoint, ParseOutPointError> = outpoint_str.parse(); let outpoint: Result<OutPoint, ParseOutPointError> = outpoint_str.parse();
assert_eq!(outpoint, Err(ParseOutPointError::TooLong)); assert_eq!(outpoint, Err(ParseOutPointError::TooLong));
} }