def testListTrips(self):
self.assertEqual(0, LoopFun.listTrips([]))
self.assertEqual(0, LoopFun.listTrips([5]))
self.assertEqual(0, LoopFun.listTrips([5, 5]))
self.assertEqual(1, LoopFun.listTrips([5, 5, 5]))
self.assertEqual(2, LoopFun.listTrips([4, 4, 4, 4]))
self.assertEqual(2, LoopFun.listTrips([5, 5, 5, -1, -1, -1]))
self.assertEqual(4, LoopFun.listTrips([-5, -5, -5, -5, -5, -5]))
self.assertEqual(5, LoopFun.listTrips([5, 5, 5, 5, 5, 5, 5]))
def testCharPairs(self):
self.assertEqual(0, LoopFun.charPairs(''))
self.assertEqual(0, LoopFun.charPairs('a'))
self.assertEqual(1, LoopFun.charPairs('aa'))
self.assertEqual(2, LoopFun.charPairs('aaa'))
self.assertEqual(3, LoopFun.charPairs('aaaa'))
self.assertEqual(2, LoopFun.charPairs('aabaa'))
self.assertEqual(0, LoopFun.charPairs('aAaA'))
self.assertEqual(5, LoopFun.charPairs('...x....'))
def testListRage(self):
self.assertEqual(0, LoopFun.listRange([]))
self.assertEqual(0, LoopFun.listRange([1]))
self.assertEqual(0, LoopFun.listRange([1, 1, 1]))
self.assertEqual(7, LoopFun.listRange([5, 9, 2, 6]))
self.assertEqual(9, LoopFun.listRange([-10, -5, -3, -1]))
self.assertEqual(100, LoopFun.listRange([100, 0]))
self.assertEqual(100, LoopFun.listRange([0, 100]))
def testZipZap(self):
self.assertEqual('zpXzp', LoopFun.zipZap('zipXzap'))
self.assertEqual('zpzp', LoopFun.zipZap('zopzop'))
self.assertEqual('zzzpzp', LoopFun.zipZap('zzzopzop'))
self.assertEqual('zzz', LoopFun.zipZap('zzz'))
self.assertEqual('ppp', LoopFun.zipZap('ppp'))
self.assertEqual('zp', LoopFun.zipZap('zXp'))
self.assertEqual('zp', LoopFun.zipZap('zp'))
def testStringSplosion(self):
self.assertEqual('', LoopFun.stringSplosion(''))
self.assertEqual('a', LoopFun.stringSplosion('a'))
self.assertEqual('aab', LoopFun.stringSplosion('ab'))
self.assertEqual('aababc', LoopFun.stringSplosion('abc'))
self.assertEqual('CCoCodCode', LoopFun.stringSplosion('Code'))
self.assertEqual('xxxxxx', LoopFun.stringSplosion('xxx'))
def testIsPalindromeWhenItIs(self):
self.assertTrue(LoopFun.isPalindrome('1234321'))
self.assertTrue(LoopFun.isPalindrome('racecar'))
self.assertTrue(LoopFun.isPalindrome('amanaplanacanalpanama'))
self.assertTrue(LoopFun.isPalindrome('abba'))
self.assertTrue(LoopFun.isPalindrome('b'))
self.assertTrue(LoopFun.isPalindrome(''))
def testSumFactorial(self):
self.assertEqual(1, LoopFun.factorial(0))
self.assertEqual(1, LoopFun.factorial(1))
self.assertEqual(2, LoopFun.factorial(2))
self.assertEqual(6, LoopFun.factorial(3))
self.assertEqual(24, LoopFun.factorial(4))
self.assertEqual(120, LoopFun.factorial(5))
def testListSum(self):
self.assertEqual(0, LoopFun.listSum([]))
self.assertEqual(6, LoopFun.listSum([1, 2, 3]))
self.assertEqual(-1, LoopFun.listSum([-1]))
self.assertEqual(15, LoopFun.listSum([1, 2, 3, 4, 5, 0]))
self.assertEqual(-5, LoopFun.listSum([-1, -2, 1, -3]))
def testIsPalindromeWhenItIsNot(self):
self.assertFalse(LoopFun.isPalindrome('234321'))
self.assertFalse(LoopFun.isPalindrome('race car'))
self.assertFalse(LoopFun.isPalindrome('a man a plan a canal panama'))
self.assertFalse(LoopFun.isPalindrome('not'))
self.assertFalse(LoopFun.isPalindrome('12'))
def testReverseString(self):
self.assertEqual('1', LoopFun.stringReverse('1'))
self.assertEqual('', LoopFun.stringReverse(''))
self.assertEqual('cb', LoopFun.stringReverse('bc'))
self.assertEqual('xyz', LoopFun.stringReverse('zyx'))
self.assertEqual('oiuyt', LoopFun.stringReverse('tyuio'))
def testSumFirstN(self):
self.assertEqual(1, LoopFun.firstN(1))
self.assertEqual(3, LoopFun.firstN(2))
self.assertEqual(6, LoopFun.firstN(3))
self.assertEqual(10, LoopFun.firstN(4))
self.assertEqual(15, LoopFun.firstN(5))
