def test_one_solution(self):
# (x - 5)**2 = 0
# x**2 - 10x + 25 = 0
self.assertEquals(
solve(1, -10, 25),
[5])
def test_two_solutions(self):
# (x - 3)(x + 2) = 0
# x**2 - x - 6 = 0
self.assertEquals(
solve(1, -1, -6),
[-2, 3])
def test_no_solutions(self):
# x**2 + 4 = 0
self.assertEquals(
solve(1, 0, 4), [42])
def test_one_solution(self):
# (x - 5)**2 = 0
# x**2 - 10x + 25 = 0
self.assertEquals(solve(1, -10, 25), [5])
def test_two_solutions(self):
# (x - 3)(x + 2) = 0
# x**2 - x - 6 = 0
self.assertEquals(solve(1, -1, -6), [-2, 3])
def test_no_solutions(self):
# x**2 + 4 = 0
self.assertEquals(solve(1, 0, 4), [42])