mirror of
https://github.com/RustPython/RustPython.git
synced 2026-10-28 10:44:36 +08:00
102 lines
2.4 KiB
Python
102 lines
2.4 KiB
Python
from testutils import assert_raises
|
|
from collections import deque
|
|
from typing import Deque
|
|
|
|
|
|
def test_deque_iterator__new__():
|
|
klass = type(iter(deque()))
|
|
s = "abcd"
|
|
d = klass(deque(s))
|
|
assert list(d) == list(s)
|
|
|
|
|
|
test_deque_iterator__new__()
|
|
|
|
|
|
def test_deque_iterator__new__positional_index():
|
|
klass = type(iter(deque()))
|
|
|
|
# index between 0 and len
|
|
for s in ("abcd", range(200)):
|
|
for i in range(len(s)):
|
|
d = klass(deque(s), i)
|
|
assert list(d) == list(s)[i:]
|
|
|
|
# negative index
|
|
for s in ("abcd", range(200)):
|
|
for i in range(-100, 0):
|
|
d = klass(deque(s), i)
|
|
assert list(d) == list(s)
|
|
|
|
# index ge len
|
|
for s in ("abcd", range(200)):
|
|
for i in range(len(s), 400):
|
|
d = klass(deque(s), i)
|
|
assert list(d) == list()
|
|
|
|
|
|
test_deque_iterator__new__positional_index()
|
|
|
|
|
|
def test_deque_iterator__new__not_using_keyword_index():
|
|
klass = type(iter(deque()))
|
|
|
|
for s in ("abcd", range(200)):
|
|
for i in range(-100, 400):
|
|
d = klass(deque(s), index=i)
|
|
assert list(d) == list(s)
|
|
|
|
|
|
test_deque_iterator__new__not_using_keyword_index()
|
|
|
|
|
|
def test_deque_reverse_iterator__new__positional_index():
|
|
klass = type(reversed(deque()))
|
|
|
|
# index between 0 and len
|
|
for s in ("abcd", range(200)):
|
|
for i in range(len(s)):
|
|
d = klass(deque(s), i)
|
|
assert list(d) == list(reversed(s))[i:]
|
|
|
|
# negative index
|
|
for s in ("abcd", range(200)):
|
|
for i in range(-100, 0):
|
|
d = klass(deque(s), i)
|
|
assert list(d) == list(reversed(s))
|
|
|
|
# index ge len
|
|
for s in ("abcd", range(200)):
|
|
for i in range(len(s), 400):
|
|
d = klass(deque(s), i)
|
|
assert list(d) == list()
|
|
|
|
|
|
test_deque_reverse_iterator__new__positional_index()
|
|
|
|
|
|
def test_deque_reverse_iterator__new__not_using_keyword_index():
|
|
klass = type(reversed(deque()))
|
|
|
|
for s in ("abcd", range(200)):
|
|
for i in range(-100, 400):
|
|
d = klass(deque(s), index=i)
|
|
assert list(d) == list(reversed(s))
|
|
|
|
|
|
test_deque_reverse_iterator__new__not_using_keyword_index()
|
|
|
|
assert repr(deque()) == "deque([])"
|
|
assert repr(deque([1, 2, 3])) == "deque([1, 2, 3])"
|
|
|
|
|
|
class D(deque):
|
|
pass
|
|
|
|
|
|
assert repr(D()) == "D([])"
|
|
assert repr(D([1, 2, 3])) == "D([1, 2, 3])"
|
|
|
|
|
|
assert_raises(ValueError, lambda: deque().index(10, 0, 10000000000000000000000000))
|