From f0f5fc9891d6967d6825016f4462575c5d787d9d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Renault?= <renault.cle@gmail.com>
Date: Wed, 29 Aug 2018 21:21:37 +0200
Subject: [PATCH] feat: Assert that query are not invalid ones

---
 raptor/src/levenshtein.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/raptor/src/levenshtein.rs b/raptor/src/levenshtein.rs
index e3acea8a0..bf6ddbf03 100644
--- a/raptor/src/levenshtein.rs
+++ b/raptor/src/levenshtein.rs
@@ -16,6 +16,8 @@ impl LevBuilder {
     }
 
     pub fn get_automaton(&self, query: &str) -> Levenshtein {
+        assert!(!query.is_empty());
+
         let dfa = if query.len() <= 4 {
             self.automatons[0].build_prefix_dfa(query)
         } else if query.len() <= 8 {