def test_add_brackets(self):
tests = {
'x*x': '(x)(x)',
'2x^2+6x*4x+3': '2x^2+(6x)(4x)+3',
'2x^2+6x(4x)+3': '2x^2+(6x)(4x)+3',
'x*(x+3)(2x^2-4)+2(x^2-3)': '(x)(x+3)(2x^2-4)+(2)(x^2-3)',
'x*(x+3)(2x^2-4)+2x(x^2-3)3': '(x)(x+3)(2x^2-4)+(2x)(x^2-3)(3)',
}
for test in sorted(tests):
answer = main.add_brackets(test)
self.assertEqual(answer, tests[test])
def test_add_mul(self):
tests = {
'x': 'x',
'2x^2': '2x^2',
'2x(x)': '(2x)*(x)',
'2x(x+5)': '(2x)*(x+5)',
'2x(2x^2+5x-8)': '(2x)*(2x^2+5x-8)',
'(2x^2+2x)(x+5)': '(2x^2+2x)*(x+5)',
'(x+5)(2x^2+x(3x^3+5))': '(x+5)*(2x^2+(x)*(3x^3+5))',
}
for test in sorted(tests):
answer = main.add_mul_between_brackets(main.add_brackets(test))
self.assertEqual(answer, tests[test])