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Use _PyEval_SliceIndex to handle list.index() calls with

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huge start and stop arguments. Add tests.
This commit is contained in:
Walter Dörwald 2003-06-17 19:27:39 +00:00
parent 8e9b80fd56
commit e8049befdf
2 changed files with 12 additions and 1 deletions
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9
Lib/test/test_types.py
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@ -374,6 +374,15 @@ if a.index(0,3) != 3: raise TestFailed, 'list index, start argument'
if a.index(0,-3) != 3: raise TestFailed, 'list index, -start argument'
if a.index(0,3,4) != 3: raise TestFailed, 'list index, stop argument'
if a.index(0,-3,-2) != 3: raise TestFailed, 'list index, -stop argument'
if a.index(0,-4*sys.maxint,4*sys.maxint) != 2:
raise TestFailed, 'list index, -maxint, maxint argument'
try:
a.index(0, 4*sys.maxint,-4*sys.maxint)
except ValueError:
pass
else:
raise TestFailed, 'list index, maxint,-maxint argument'
try:
a.index(2,0,-10)
except ValueError:

4
Objects/listobject.c
View file

@ -1832,7 +1832,9 @@ listindex(PyListObject *self, PyObject *args)
int i, start=0, stop=self->ob_size;
PyObject *v;
if (!PyArg_ParseTuple(args, "O|ii:index", &v, &start, &stop))
if (!PyArg_ParseTuple(args, "O|O&O&:index", &v,
_PyEval_SliceIndex, &start,
_PyEval_SliceIndex, &stop))
return NULL;
if (start < 0) {
start += self->ob_size;