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from __future__ import absolute_import, print_function
import random
import unittest
from .util import is_sorted, popper
class TestIsSorted(unittest.TestCase):
def test_is_sorted(self):
assert is_sorted([1])
assert is_sorted([1, 2])
assert is_sorted([1, 2, 3])
assert is_sorted([1, 2, 2])
assert is_sorted([2, 2, 2])
assert is_sorted([])
assert is_sorted((1, 2, 3))
assert is_sorted('abc')
assert is_sorted('123')
assert is_sorted('eggs')
assert is_sorted(iter([1, 2, 3]))
def test_is_not_sorted(self):
assert not is_sorted([3, 2, 1])
assert not is_sorted([2, 2, 1])
assert not is_sorted('spam')
class TestPopper(unittest.TestCase):
def test_popper(self):
for i in range(10):
x = list(range(i))
j = 0
for _ in popper(x):
j += 1
self.assertEqual(i, j)
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