thomas.wouters · thomas.wouters · commit 46e3a14c30fc · 2006-08-23T23:20:29.000Z
Fix buglet in slice assignment of bytesobjects: assigning to b[3:0] ('stop' being before 'start') would actually assign to b[0:0] (or whatever 'stop' was) git-svn-id: http://svn.python.org/projects/python/branches/p3yk@51531 6015fed2-1504-0410-9fe1-9d1591cc4771
diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
@@ -235,6 +235,9 @@ def test_setslice(self):
 
         b[3:5] = [3, 4, 5, 6]
         self.assertEqual(b, bytes(range(10)))
+        
+        b[3:0] = [42, 42, 42]
+        self.assertEqual(b, bytes([0, 1, 2, 42, 42, 42, 3, 4, 5, 6, 7, 8, 9]))
 
     def test_setslice_trap(self):
         # This test verifies that we correctly handle assigning self
diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
@@ -310,6 +310,8 @@ bytes_setslice(PyBytesObject *self, Py_ssize_t lo, Py_ssize_t hi,
 
     if (lo < 0)
         lo = 0;
+    if (hi < lo)
+        hi = lo;
     if (hi > self->ob_size)
         hi = self->ob_size;
 
