import pytest

from ..helpers import Suite


@pytest.mark.integration_test
@pytest.mark.parametrize('type_, in_put, exp_result', [
    ('bytes', b'Hello, world!', 13),
    # ('u8[4]', (1, 2, 3, 4), 4),  # FIXME: Implement this
])
def test_len(type_, in_put, exp_result):
    code_py = f"""
@exported
def testEntry(f: {type_}) -> u32:
    return len(f)
"""

    result = Suite(code_py).run_code(in_put)

    assert exp_result == result.returned_value