def test_mul_minus(): result = m.mul(558, -55) assert result == 558 * -55
def test_mul_float(): result = m.mul(558, 221.555) assert result == 558 * 221.555
def test_mul_zero(): result = m.mul(558, 0) assert result == 558 * 0
def test_mul(): result = m.mul(558, 221) assert result == 558 * 221