From 99ff8b902f6aa7b33932d78ec5a8c2edcf259d76 Mon Sep 17 00:00:00 2001
From: Matthew Honnibal <honnibal+gh@gmail.com>
Date: Sun, 23 Oct 2016 16:27:45 +0200
Subject: [PATCH] Test that huffman codec works with empty freqs dict

---
 spacy/tests/serialize/test_huffman.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/spacy/tests/serialize/test_huffman.py b/spacy/tests/serialize/test_huffman.py
index 34623bd98..af881d66a 100644
--- a/spacy/tests/serialize/test_huffman.py
+++ b/spacy/tests/serialize/test_huffman.py
@@ -48,6 +48,11 @@ def test1():
     py_codes = list(py_codes.items())
     py_codes.sort()
     assert codec.strings == [c for i, c in py_codes]
+
+
+def test_empty():
+    codec = HuffmanCodec({})
+    assert codec.strings == []
     
 
 def test_round_trip():