def test_sorted_set_score(sorted_set):
sorted_set.zadd('test1', 100, 'test2', 200)
result = sorted_set.zrangebyscore(0, 150)
assert 1 == len(result)
assert 'test1' == result[0]
result = sorted_set.zrangebyscore(150, 250)
assert 1 == len(result)
assert 'test2' == result[0]
result = sorted_set.zrangebyscore('-inf', '+inf')
assert 2 == len(result)
assert 'test1' == result[0]
assert 'test2' == result[1]
def test_sorted_set_rem(sorted_set):
sorted_set.zadd('test1', 100, 'test2', 200)
assert sorted_set.zcard() == 2
sorted_set.zremrangebyscore(0, 300)
assert sorted_set.zcard() == 0
def test_sorted_set_add(sorted_set):
sorted_set.zadd('test1', 100, 'test2', 200)
assert 2 == sorted_set.zcard()
