cpython/Lib/test/test_slice.py

17 lines
680 B
Python

# tests for slice objects; in particular the indices method.
from test.test_support import vereq
import sys
vereq(slice(None ).indices(10), (0, 10, 1))
vereq(slice(None, None, 2).indices(10), (0, 10, 2))
vereq(slice(1, None, 2).indices(10), (1, 10, 2))
vereq(slice(None, None, -1).indices(10), (9, -1, -1))
vereq(slice(None, None, -2).indices(10), (9, -1, -2))
vereq(slice(3, None, -2).indices(10), (3, -1, -2))
vereq(slice(-100, 100 ).indices(10), slice(None).indices(10))
vereq(slice(100, -100, -1).indices(10), slice(None, None, -1).indices(10))
vereq(slice(-100L, 100L, 2L).indices(10), (0, 10, 2))
vereq(range(10)[::sys.maxint - 1], [0])