Fix a bug in num_in_numbits.

Bachmann1234 · Aug 1, 2019 · 2d7ad50 · 2d7ad50
1 parent 666d5ca
commit 2d7ad50
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/coverage/numbits.py b/coverage/numbits.py
@@ -51,6 +51,6 @@ def numbits_any_intersection(numbits1, numbits2):
 def num_in_numbits(num, numbits):
     """Does the integer `num` appear in `numbits`?"""
     nbyte, nbit = divmod(num, 8)
-    if nbyte > len(numbits):
+    if nbyte >= len(numbits):
         return False
     return bool(byte_to_int(numbits[nbyte]) & (1 << nbit))
diff --git a/tests/test_numbits.py b/tests/test_numbits.py
@@ -3,7 +3,7 @@
 
 """Tests for coverage.numbits"""
 
-from hypothesis import given, settings
+from hypothesis import example, given, settings
 from hypothesis.strategies import sets, integers
 
 from coverage import env
@@ -52,6 +52,7 @@ def test_any_intersection(self, nums1, nums2):
 
     @given(line_numbers, line_number_sets)
     @settings(default_settings)
+    @example(152, {144})
     def test_num_in_numbits(self, num, nums):
         numbits = nums_to_numbits(nums)
         is_in = num_in_numbits(num, numbits)