from typing import Tuple
from hypothesis import given
from tests.utils import Float
from . import strategies
@given(strategies.finite_floats_pairs)
def test_basic(pair: Tuple[Float, Float]) -> None:
first, second = pair
result = first + second
assert isinstance(result, type(first))
@given(strategies.finite_floats_pairs)
def test_commutativity(pair: Tuple[Float, Float]) -> None:
first, second = pair
result = first + second
assert result == second + first
@given(strategies.finite_floats_with_zeros)
def test_neutral_element(float_with_zero: Tuple[Float, Float]) -> None:
float_, zero = float_with_zero
assert float_ + zero == float_ == zero + float_