def test_parse_list():
assert parse(['(', '1', '2', ')']) == List([1, 2])
assert parse(['(', '1', '(', '2', '3', ')', ')']) == \
List([1, List([2, 3])])
assert parse(['(', '(', '1', '2', ')', '3', ')']) == \
List([List([1, 2]), 3])
assert parse(['(', '1', '(', '2', ')', '3', ')']) == \
List([1, List([2]), 3])
assert parse(['(', '(', '1', ')', '(', '2', ')', ')']) == \
List([List([1]), List([2])])
def test_parse_unmatched():
with raises(SyntaxError):
assert parse(['('])
def test_parse_map():
assert parse(['{', '1', '2', '}']) == {1: 2}
assert parse(['{', '1', '2', '3', '4', '}']) == {1: 2, 3: 4}
assert parse(['{', '1', '2', '3', '}']) == {1: 2}
def test_parse_vector():
assert parse(['[', '1', '2', ']']) == [1, 2]
def test_bool():
assert parse(['true']) == True
assert parse(['true']) == parse(['true'])
assert not parse(['false'])
assert parse(['false']) == False
def test_read_atom():
assert parse(['1']) == 1
assert parse(['1/3']) == Fraction(1, 3)
assert parse(['true'])
assert parse(['nil']) == Nil()
