from testutils import assert_raises
assert min(0, 0) == 0
assert min(1, 0) == 0
assert min(1., 0.) == 0.
assert min(-1, 0) == -1
assert min(1, 2, 3) == 1
assert min([1, 2, 3]) == 1
assert min((1, 2, 3)) == 1
assert min({
"a": 0,
"b": 1,
}) == "a"
assert min([1, 2], default=0) == 1
assert min([], default=0) == 0
assert_raises(ValueError, lambda: min([]))
assert min(1, 2, -3, key=abs) == 1
assert min([1, 2, -3], key=abs) == 1
assert_raises(TypeError, lambda: min())
assert_raises(TypeError, lambda: min(1))
class MyComparable():
nb = 0
def __init__(self):
self.my_nb = MyComparable.nb
MyComparable.nb += 1
def __gt__(self, other):
return self.my_nb > other.my_nb
first = MyComparable()
second = MyComparable()
assert min(first, second) == first
assert min([first, second]) == first
class MyNotComparable():
pass
assert_raises(TypeError, lambda: min(MyNotComparable(), MyNotComparable()))