tests

Author: marvin-j97

src/range.rs

@@ -23,12 +23,15 @@ pub fn seqno_filter(item_seqno: SeqNo, seqno: SeqNo) -> bool {
     item_seqno < seqno
 }
 
+/// Calculates the prefix's upper range.
+///
+/// # Panics
+///
+/// Panics if the prefix is empty.
 pub(crate) fn prefix_upper_range(prefix: &[u8]) -> Bound<UserKey> {
     use std::ops::Bound::{Excluded, Unbounded};
 
-    if prefix.is_empty() {
-        return Unbounded;
-    }
+    assert!(!prefix.is_empty(), "prefix may not be empty");
 
     let mut end = prefix.to_vec();
     let len = end.len();

src/util.rs

@@ -23,7 +23,9 @@ pub fn prefixed_range<P: AsRef<[u8]>, K: AsRef<[u8]>, R: RangeBounds<K>>(
 
     let prefix = prefix.as_ref();
 
-    assert!(!prefix.is_empty(), "prefix may not be empty");
+    if prefix.is_empty() {
+        return (Unbounded, Unbounded);
+    }
 
     match (range.start_bound(), range.end_bound()) {
         (Unbounded, Unbounded) => prefix_to_range(prefix),

tests/blob_major_compact_gc_stats.rs

@@ -56,6 +56,7 @@ fn blob_tree_major_compact_gc_stats() -> lsm_tree::Result<()> {
             },
             &*gc_stats,
         );
+        assert_eq!(big_value.len() as u64, tree.stale_blob_bytes());
     }
 
     Ok(())