updated for version 7.4.063

Problem:    Crash when using invalid key in Python dictionary.
Solution:   Check for object to be NULL.  Add tests. (ZyX)

src/if_py_both.h

@@ -1624,6 +1624,9 @@ DictionaryContains(DictionaryObject *self, PyObject *keyObject)
     PyObject	*rObj = _DictionaryItem(self, keyObject, DICT_FLAG_RETURN_BOOL);
     int		ret;
 
+    if (rObj == NULL)
+	return -1;
+
     ret = (rObj == Py_True);
 
     Py_DECREF(rObj);

src/testdir/test86.in

@@ -1088,6 +1088,9 @@ ee('d.get("a", 2, 3)')
 stringtochars_test('d.get(%s)')
 ee('d.pop("a")')
 ee('dl.pop("a")')
+cb.append(">> DictionaryContains")
+ee('"" in d')
+ee('0 in d')
 cb.append(">> DictionaryIterNext")
 ee('for i in ned: ned["a"] = 1')
 del i

src/testdir/test86.ok

@@ -516,6 +516,9 @@ d.get("\0"):TypeError:('expected string without null bytes',)
 <<< Finished
 d.pop("a"):KeyError:('a',)
 dl.pop("a"):error:('dictionary is locked',)
+>> DictionaryContains
+"" in d:ValueError:('empty keys are not allowed',)
+0 in d:TypeError:('expected str() or unicode() instance, but got int',)
 >> DictionaryIterNext
 for i in ned: ned["a"] = 1:RuntimeError:('hashtab changed during iteration',)
 >> DictionaryAssItem

src/testdir/test87.in

@@ -1039,6 +1039,9 @@ ee('d.get("a", 2, 3)')
 stringtochars_test('d.get(%s)')
 ee('d.pop("a")')
 ee('dl.pop("a")')
+cb.append(">> DictionaryContains")
+ee('"" in d')
+ee('0 in d')
 cb.append(">> DictionaryIterNext")
 ee('for i in ned: ned["a"] = 1')
 del i

src/testdir/test87.ok

@@ -505,6 +505,9 @@ d.get("\0"):(<class 'TypeError'>, TypeError('expected bytes with no null',))
 <<< Finished
 d.pop("a"):(<class 'KeyError'>, KeyError('a',))
 dl.pop("a"):(<class 'vim.error'>, error('dictionary is locked',))
+>> DictionaryContains
+"" in d:(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+0 in d:(<class 'TypeError'>, TypeError('expected bytes() or str() instance, but got int',))
 >> DictionaryIterNext
 for i in ned: ned["a"] = 1:(<class 'RuntimeError'>, RuntimeError('hashtab changed during iteration',))
 >> DictionaryAssItem

src/version.c

@@ -738,6 +738,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    63,
 /**/
     62,
 /**/