From c439accaeba1413c3ed8eaae443a787cbf902fbb Mon Sep 17 00:00:00 2001
From: Michal Nazarewicz <mina86@mina86.com>
Date: Sat, 5 Aug 2023 19:33:14 +0200
Subject: [PATCH] fix

---
 sealable-trie/src/bits.rs       | 3 +++
 sealable-trie/src/trie/tests.rs | 6 +++---
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/sealable-trie/src/bits.rs b/sealable-trie/src/bits.rs
index 3477e8df..61601aba 100644
--- a/sealable-trie/src/bits.rs
+++ b/sealable-trie/src/bits.rs
@@ -358,6 +358,9 @@ impl<'a> Slice<'a> {
     /// Returns `None` if the slice is empty or too long and won’t fit in the
     /// destination buffer.
     pub(crate) fn try_encode_into(&self, dest: &mut [u8; 36]) -> Option<usize> {
+        if self.length == 0 {
+            return None;
+        }
         let bytes = self.bytes();
         if bytes.is_empty() || bytes.len() > nodes::MAX_EXTENSION_KEY_SIZE {
             return None;
diff --git a/sealable-trie/src/trie/tests.rs b/sealable-trie/src/trie/tests.rs
index 532c4e6a..31150750 100644
--- a/sealable-trie/src/trie/tests.rs
+++ b/sealable-trie/src/trie/tests.rs
@@ -23,7 +23,7 @@ fn test_sanity() {
     trie.print();
     println!("----");
 
-    // trie.set(b"2", &make_hash(2), None).unwrap();
-    // trie.print();
-    // println!("----");
+    trie.set(b"2", &make_hash(2), None).unwrap();
+    trie.print();
+    println!("----");
 }