PASS hand:simple replace
PASS hand:insert + delete mix
PASS hand:no newline at EOF
PASS hand:newline added at EOF
PASS hand:empty context lines
PASS hand:CRLF preserved
PASS hand:insert into empty file
PASS hand:create from /dev/null
PASS hand:delete to /dev/null
PASS hand:malformed hunk rejected
PASS hand:offset drift located
PASS hand:max_offset=0 rejects drift
PASS hand:fuzz=0 rejects mismatch
PASS hand:fuzz=1 recovers
PASS hand:round trip forward+reverse
PASS hand:multi-file patch
PASS hand:-p1 path strip
PASS hand:timestamps stripped
PASS hand:split_lines only splits on \n
PASS cli:-p0 patches a file on disk
PASS cli:-p1 patches a file on disk in place
PASS cli:unplaceable hunk exits nonzero, target intact
PASS cli:missing patch file is a clean error
PASS property: 117 randomised exact diffs apply (generated 120)
PASS property: GNU patch oracle agrees (117/117, 0 skipped)
PASS property: 80 randomised offset-drift diffs apply (generated 80)
PASS property: suite is deterministic
PASS mutation: no-search applier is killed (30 failures)
PASS mutation: first-hunk-only applier is killed (38 failures)
PASS mutation: sides-swapped applier is killed (117 failures)

30/30 checks passed
ALL CHECKS PASSED