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from knot_resolver.utils.functional import all_matches, contains_element_matching, foldl
def test_foldl():
lst = list(range(10))
assert foldl(lambda x, y: x + y, 0, lst) == sum(range(10))
assert foldl(lambda x, y: x + y, 55, lst) == sum(range(10)) + 55
def test_containsElementMatching():
lst = list(range(10))
assert contains_element_matching(lambda e: e == 5, lst)
assert not contains_element_matching(lambda e: e == 11, lst)
def test_matches_all():
lst = list(range(10))
assert all_matches(lambda x: x >= 0, lst)
assert not all_matches(lambda x: x % 2 == 0, lst)
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