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import pytest
from ..calculator import Calculator
@pytest.fixture
def calculator():
return Calculator()
def test_add(calculator):
assert calculator.add(2, 3) == 5
assert calculator.add(10, -2) == 8
assert calculator.add(0, 0) == 0
def test_sub(calculator):
assert calculator.sub(2, 3) == -1
assert calculator.sub(10, -2) == 12
assert calculator.sub(0, 0) == 0
def test_mul(calculator):
assert calculator.mul(2, 3) == 6
assert calculator.mul(10, -2) == -20
assert calculator.mul(0, 0) == 0
def test_div(calculator):
assert calculator.div(2, 3) == 0.6666666666666666
assert calculator.div(10, -2) == -5
assert calculator.div(0, 1) == 0
def test_exp(calculator):
assert calculator.exp(2, 3) == 8
assert calculator.exp(10, -2) == 0.01
assert calculator.exp(0, 0) == 1
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