def test_reverse(self):
d = collections.deque([1, 2, 2, 3, 2])
d.reverse()
assert list(d) == [2, 3, 2, 2, 1]
d = collections.deque(range(100))
d.reverse()
assert list(d) == range(99, -1, -1)
def test_reverse(self):
d = collections.deque([1, 2, 2, 3, 2])
d.reverse()
assert list(d) == [2, 3, 2, 2, 1]
d = collections.deque(range(100))
d.reverse()
assert list(d) == range(99, -1, -1)
def test_remove_mutating(self):
class MutatingCmp(object):
def __eq__(self, other):
d.clear()
return True
d = collections.deque([MutatingCmp()])
py.test.raises(IndexError, d.remove, 1)
def test_remove_mutating(self):
class MutatingCmp(object):
def __eq__(self, other):
d.clear()
return True
d = collections.deque([MutatingCmp()])
py.test.raises(IndexError, d.remove, 1)
def test_maxlen(self):
d = collections.deque([], 3)
d.append(1); d.append(2); d.append(3); d.append(4)
assert list(d) == [2, 3, 4]
assert repr(d) == "deque([2, 3, 4], maxlen=3)"
import pickle
d2 = pickle.loads(pickle.dumps(d))
assert repr(d2) == "deque([2, 3, 4], maxlen=3)"
import copy
d3 = copy.copy(d)
assert repr(d3) == "deque([2, 3, 4], maxlen=3)"
def test_maxlen(self):
d = collections.deque([], 3)
d.append(1)
d.append(2)
d.append(3)
d.append(4)
assert list(d) == [2, 3, 4]
assert repr(d) == "deque([2, 3, 4], maxlen=3)"
import pickle
d2 = pickle.loads(pickle.dumps(d))
assert repr(d2) == "deque([2, 3, 4], maxlen=3)"
import copy
d3 = copy.copy(d)
assert repr(d3) == "deque([2, 3, 4], maxlen=3)"
def setup_method(self, method):
from lib_pypy._collections import deque
self.deque = deque
self.d = deque(range(n))
def test_remove_empty(self):
d = collections.deque([])
py.test.raises(ValueError, d.remove, 1)
def test_count(self):
d = collections.deque([1, 2, 2, 3, 2])
assert d.count(2) == 3
assert d.count(4) == 0
def test_remove_empty(self):
d = collections.deque([])
py.test.raises(ValueError, d.remove, 1)
def test_count(self):
d = collections.deque([1, 2, 2, 3, 2])
assert d.count(2) == 3
assert d.count(4) == 0
def setup_method(self,method):
from lib_pypy._collections import deque
self.deque = deque
self.d = deque(range(n))
