From f48e3e71545df143cac61cb7d24ce42fcd17a228 Mon Sep 17 00:00:00 2001
From: Tal Einat <taleinat@gmail.com>
Date: Sun, 11 May 2014 02:35:28 +0300
Subject: [PATCH] added empty subsequence test to subs-only hnm_byteslike

---
 fuzzysearch/_substitutions_only.c | 5 +++++
 tests/test_substitutions_only.py  | 4 +---
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/fuzzysearch/_substitutions_only.c b/fuzzysearch/_substitutions_only.c
index 9898cf6..e108aa3 100644
--- a/fuzzysearch/_substitutions_only.c
+++ b/fuzzysearch/_substitutions_only.c
@@ -27,6 +27,11 @@ substitutions_only_has_near_matches_byteslike(PyObject *self, PyObject *args)
         Py_RETURN_FALSE;
     }
 
+    if (subseq_len == 0) {
+        PyErr_SetString(PyExc_ValueError, "Given subsequence is empty!");
+        return NULL;
+    }
+
     sub_counts = (unsigned int *) malloc (sizeof(unsigned int) * subseq_len);
     if (sub_counts == NULL) {
         return PyErr_NoMemory();
diff --git a/tests/test_substitutions_only.py b/tests/test_substitutions_only.py
index b53cab0..0fda733 100644
--- a/tests/test_substitutions_only.py
+++ b/tests/test_substitutions_only.py
@@ -302,12 +302,10 @@ try:
 except ImportError:
     pass
 else:
-    class TestFindNearMatchesSubstitionsByteslike(
+    class TestHasNearMatchesSubstitionsByteslike(
             TestHasNearMatchSubstitionsOnlyBase,
             unittest.TestCase
     ):
         def search(self, subsequence, sequence, max_subs):
             return hnm_subs_byteslike(subsequence, sequence, max_subs)
 
-        def test_empty_subsequence_exeption(self):
-            pass