def test_complex_numbers(self):
self.assertTrue(is_perfect_square(-4, complex=True))
self.assertTrue(is_perfect_square(-100, complex=True))
self.assertFalse(is_perfect_square(-1000, complex=True))
self.assertTrue(is_perfect_square(512j, complex=True))
self.assertFalse(is_perfect_square(100j, complex=True))
self.assertTrue(is_perfect_square(-5 + 12j, complex=True))
with self.assertRaises(TypeError):
is_perfect_square(-4, True) # complex must be a keyword argument
def test_really_big_numbers(self):
n = 838382848348234**2
m = n**2
m = 8383828483252752341748234**2
self.assertTrue(is_perfect_square(n))
self.assertFalse(is_perfect_square(n - 1))
self.assertFalse(is_perfect_square(n + 1))
self.assertTrue(is_perfect_square(m))
self.assertFalse(is_perfect_square(m - 1))
self.assertFalse(is_perfect_square(m + 1))
def test_small_number(self):
self.assertTrue(is_perfect_square(1))
self.assertTrue(is_perfect_square(4))
self.assertFalse(is_perfect_square(8))
self.assertFalse(is_perfect_square(35))
def test_negative_numbers(self):
square_number = -4
self.assertFalse(is_perfect_square(square_number))
self.assertFalse(is_perfect_square(square_number - 1))
self.assertFalse(is_perfect_square(square_number + 1))
def test_decimal_number(self):
square_number = Decimal('100')
self.assertTrue(is_perfect_square(square_number))
self.assertFalse(is_perfect_square(square_number - 1))
self.assertFalse(is_perfect_square(square_number + 1))
def test_non_real_numbers(self):
self.assertFalse(is_perfect_square(4.5))
with self.assertRaises(TypeError):
is_perfect_square(1j)
with self.assertRaises(TypeError):
is_perfect_square('hello')
def test_big_number(self):
self.assertTrue(is_perfect_square(1586375448590241))
self.assertFalse(is_perfect_square(1420958445736851))
def test_4_digit_number(self):
self.assertTrue(is_perfect_square(5776))
self.assertFalse(is_perfect_square(9306))