def test_normal(self): self.assertEqual(countingValleys((8), ('UDDDUDUU')), (1))
def test_allu(self): self.assertEqual(countingValleys((10), ('UUUUUUUUUU')), (0))
def test_lowca(self): self.assertEqual(countingValleys((10), ('ududududud')), (0))
def test_du(self): self.assertEqual(countingValleys((10), ('UDUDUDUDUD')), (0))
def test_alld(self): self.assertEqual(countingValleys((8), ('DDDDDDDD')), (0))
def test_sum_testcase1(self): self.assertEqual(countingValleys(12,'DDUUDDUDUUUD'),2)
def test_sum_testcase0(self): self.assertEqual(countingValleys(8,'UDDDUDUU'),1)