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+[dev-dependencies] +tempfile = "3.0" diff --git a/src/new_index/db.rs b/src/new_index/db.rs index a5fd4d6..e1b0eee 100644 --- a/src/new_index/db.rs +++ b/src/new_index/db.rs @@ -6,6 +6,7 @@ use crate::util::Bytes; static DB_VERSION: u32 = 1; +#[derive(Debug, Eq, PartialEq)] pub struct DBRow { pub key: Vec, pub value: Vec, @@ -135,3 +136,35 @@ impl DB { } } } + +#[cfg(test)] +mod tests { + + use crate::new_index::db::{DBRow, DB}; + use tempfile; + + #[test] + fn test_db_iterator() { + let dir = tempfile::tempdir().unwrap(); + let db = DB::open(dir.path()); + let rows = vec![ + DBRow { + key: b"X11".to_vec(), + value: b"a".to_vec(), + }, + DBRow { + key: b"X22".to_vec(), + value: b"b".to_vec(), + }, + DBRow { + key: b"X33".to_vec(), + value: b"c".to_vec(), + }, + ]; + for row in &rows { + db.put(&row.key, &row.value); + } + let actual: Vec = db.iter_scan(b"X").collect(); + assert_eq!(rows, actual); + } +}