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test: encode SQLite fixture serial types & overflow offsets correctly

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Co-authored-by: Codex <noreply@openai.com>
This commit is contained in:
Adrian D'souza
2026-10-09 00:05:35 +05:30
co-authored by Codex
parent 37cfc46e0d
commit 1e6035d9db
1 changed files with 9 additions and 3 deletions
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crates/engine/src/lightroom_sqlite.rs
+9 -3
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@@ -907,7 +907,8 @@ mod tests {
main[56..60].copy_from_slice(&1u32.to_be_bytes());
let sql = "CREATE TABLE \"t\" (\"id_local\" INTEGER PRIMARY KEY, \"name\" TEXT)";
// rootpage is an integer field, so replace fourth text value with a compact record.
let mut header = vec![23, 15, 15, 1, u8::try_from(13 + 2 * sql.len()).unwrap_or(0)];
let mut header = vec![23, 15, 15, 1];
header.extend(varint((13 + 2 * sql.len()) as u64));
let mut body = b"tablett".to_vec();
body.push(2);
body.extend(sql.as_bytes());
@@ -1021,10 +1022,13 @@ mod tests {
rowid_aliases: HashMap::new(),
};
let mut cell_page = vec![b'x'; 512];
cell_page[100..104].copy_from_slice(&2u32.to_be_bytes());
// For a 512-byte table leaf & 600-byte payload, SQLite stores 92
// payload bytes locally, followed by the overflow page pointer.
cell_page[92..96].copy_from_slice(&2u32.to_be_bytes());
let inline_page = vec![b'i'; 512];
assert_eq!(db.payload(&inline_page, 0, 110).unwrap(), vec![b'i'; 110]);
let overflow_page = vec![b'y'; 512];
let mut overflow_page = vec![b'y'; 512];
overflow_page[..4].copy_from_slice(&0u32.to_be_bytes());
let mut db = db;
db.main[512..].copy_from_slice(&overflow_page);
let mut with_overflow = db.overlay;
@@ -1032,6 +1036,8 @@ mod tests {
db.overlay = with_overflow;
let bytes = db.payload(&cell_page, 0, 600).unwrap();
assert_eq!(bytes.len(), 600);
assert_eq!(&bytes[..92], &[b'x'; 92]);
assert_eq!(&bytes[92..], &[b'y'; 508]);
}
#[test]