Beispiel #1
0
    def test_shortListAddAndDeleteAscendingTrue(self):
        ordList = OrderedList(True)
        ordList.add(0)
        ordList.add(10)
        ordList.add(4)

        self.assertEqual(ordList.head.value, 0)
        self.assertEqual(ordList.tail.value, 10)
        self.assertEqual(ordList.len(), 3)

        delEl = ordList.delete(10)
        self.assertEqual(ordList.head.value, 0)
        self.assertEqual(ordList.tail.value, 4)
        self.assertEqual(ordList.len(), 2)

        ordList.add(11)
        ordList.add(15)
        self.assertEqual(ordList.head.value, 0)
        self.assertEqual(ordList.tail.value, 15)
        self.assertEqual(ordList.len(), 4)

        delEl = ordList.delete(11)
        self.assertEqual(ordList.head.value, 0)
        self.assertEqual(ordList.tail.value, 15)
        self.assertEqual(ordList.len(), 3)

        ordList.add(-8)
        delEl = ordList.delete(15)
        self.assertEqual(ordList.head.value, -8)
        self.assertEqual(ordList.tail.value, 4)
        self.assertEqual(ordList.len(), 3)
Beispiel #2
0
    def test_delete_desc(self):
        orderedList = OrderedList(False)
        orderedList.add(2)
        orderedList.add(4)
        orderedList.add(6)
        orderedList.add(8)
        orderedList.add(10)
        orderedList.add(10)
        orderedList.add(2)
        self.assertEqual(orderedList.get_all_values(), [10, 10, 8, 6, 4, 2, 2])
        self.assertEqual(orderedList.len(), 7)

        orderedList.delete(1)
        self.assertEqual(orderedList.get_all_values(), [10, 10, 8, 6, 4, 2, 2])
        self.assertEqual(orderedList.len(), 7)

        orderedList.delete(8)
        self.assertEqual(orderedList.get_all_values(), [10, 10, 6, 4, 2, 2])
        self.assertEqual(orderedList.len(), 6)

        orderedList.delete(4)
        self.assertEqual(orderedList.get_all_values(), [10, 10, 6, 2, 2])
        self.assertEqual(orderedList.len(), 5)

        orderedList.delete(2)
        self.assertEqual(orderedList.get_all_values(), [10, 10, 6, 2])
        self.assertEqual(orderedList.len(), 4)

        orderedList.delete(10)
        self.assertEqual(orderedList.get_all_values(), [10, 6, 2])
        self.assertEqual(orderedList.len(), 3)

        orderedList.delete(6)
        self.assertEqual(orderedList.get_all_values(), [10, 2])
        self.assertEqual(orderedList.len(), 2)
Beispiel #3
0
    def test_delete(self):
        orderedList = OrderedList(True)
        orderedList.add(2)
        orderedList.add(4)
        orderedList.add(6)
        orderedList.add(8)
        orderedList.add(10)
        orderedList.add(2)
        self.assertEqual(orderedList.get_all_values(), [2, 2, 4, 6, 8, 10])
        self.assertEqual(orderedList.len(), 6)

        orderedList.delete(2)
        self.assertEqual(orderedList.get_all_values(), [2, 4, 6, 8, 10])
        self.assertEqual(orderedList.len(), 5)

        orderedList.delete(10)
        self.assertEqual(orderedList.get_all_values(), [2, 4, 6, 8])
        self.assertEqual(orderedList.len(), 4)

        orderedList.delete(3)
        self.assertEqual(orderedList.get_all_values(), [2, 4, 6, 8])
        self.assertEqual(orderedList.len(), 4)

        orderedList.delete(6)
        self.assertEqual(orderedList.get_all_values(), [2, 4, 8])
        self.assertEqual(orderedList.len(), 3)

        orderedList.delete(8)
        self.assertEqual(orderedList.get_all_values(), [2, 4])
        self.assertEqual(orderedList.len(), 2)

        orderedList.add(4)
        self.assertEqual(orderedList.get_all_values(), [2, 4, 4])
        self.assertEqual(orderedList.len(), 3)

        orderedList.delete(4)
        self.assertEqual(orderedList.get_all_values(), [2, 4])
        self.assertEqual(orderedList.len(), 2)
Beispiel #4
0
    def test_shortListDeleteAscendingFalse(self):
        ordList = OrderedList(False)
        ordList.add(0)
        ordList.add(10)
        ordList.add(4)
        ordList.add(-1)
        ordList.add(16)
        ordList.add(9)
        ordList.add(11)        

        delEl = ordList.delete(444)
        self.assertEqual(delEl, False)
        self.assertEqual(ordList.len(), 7)

        delEl = ordList.delete(-1)
        self.assertEqual(delEl, True)
        self.assertEqual(ordList.head.value, 16)
        self.assertEqual(ordList.head.next.value, 11)
        self.assertEqual(ordList.tail.value, 0)
        self.assertEqual(ordList.tail.prev.value, 4)
        self.assertEqual(ordList.len(), 6)

        delEl = ordList.delete(16)
        self.assertEqual(delEl, True)
        self.assertEqual(ordList.head.value, 11)
        self.assertEqual(ordList.head.next.value, 10)
        self.assertEqual(ordList.tail.value, 0)
        self.assertEqual(ordList.tail.prev.value, 4)
        self.assertEqual(ordList.len(), 5)

        delEl = ordList.delete(9)
        self.assertEqual(delEl, True)
        self.assertEqual(ordList.head.value, 11)
        self.assertEqual(ordList.head.next.value, 10)
        self.assertEqual(ordList.tail.value, 0)
        self.assertEqual(ordList.tail.prev.value, 4)
        self.assertEqual(ordList.len(), 4)

        delEl = ordList.delete(10)
        self.assertEqual(delEl, True)
        self.assertEqual(ordList.head.value, 11)
        self.assertEqual(ordList.head.next.value, 4)
        self.assertEqual(ordList.tail.value, 0)
        self.assertEqual(ordList.tail.prev.value, 4)
        self.assertEqual(ordList.len(), 3)

        delEl = ordList.delete(11)
        self.assertEqual(delEl, True)
        self.assertEqual(ordList.head.value, 4)
        self.assertEqual(ordList.head.next.value, 0)
        self.assertEqual(ordList.tail.value, 0)
        self.assertEqual(ordList.tail.prev.value, 4)
        self.assertEqual(ordList.len(), 2)

        delEl = ordList.delete(4)
        self.assertEqual(delEl, True)
        self.assertEqual(ordList.head.value, 0)
        self.assertEqual(ordList.head.next, None)
        self.assertEqual(ordList.tail.value, 0)
        self.assertEqual(ordList.tail.prev, None)
        self.assertEqual(ordList.len(), 1)

        delEl = ordList.delete(0)
        self.assertEqual(delEl, True)
        self.assertEqual(ordList.head, None)
        self.assertEqual(ordList.tail, None)
        self.assertEqual(ordList.len(), 0)