本文整理汇总了Python中linkedlist.LinkedList.peek方法的典型用法代码示例。如果您正苦于以下问题：Python LinkedList.peek方法的具体用法？Python LinkedList.peek怎么用？Python LinkedList.peek使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类linkedlist.LinkedList的用法示例。
在下文中一共展示了LinkedList.peek方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_reverse_single
# 需要导入模块: from linkedlist import LinkedList [as 别名]
# 或者: from linkedlist.LinkedList import peek [as 别名]
def test_reverse_single(self):
ll = LinkedList(358)
self.assertEqual(358, ll.peek())
self.assertEqual(1, len(ll))
ll.reverse()
self.assertEqual(358, ll.peek())
self.assertEqual(1, len(ll))示例2: test_reverse
# 需要导入模块: from linkedlist import LinkedList [as 别名]
# 或者: from linkedlist.LinkedList import peek [as 别名]
def test_reverse(self):
ll = LinkedList(7)
ll.append(8)
ll.append(9)
self.assertEqual(3, len(ll))
self.assertEqual(7, ll.peek())
self.assertEqual("7->8->9", str(ll))
ll.reverse()
self.assertEqual("9->8->7", str(ll))
self.assertEqual(9, ll.peek())示例3: test_prepend
# 需要导入模块: from linkedlist import LinkedList [as 别名]
# 或者: from linkedlist.LinkedList import peek [as 别名]
def test_prepend(self):
ll = LinkedList(3)
self.assertEqual(1, len(ll))
self.assertEqual(3, ll.peek())
ll.prepend(2)
self.assertEqual(2, len(ll))
self.assertEqual(2, ll.peek())
ll.prepend(1)
self.assertEqual(3, len(ll))
self.assertEqual(1, ll.peek())示例4: test_reverse_double
# 需要导入模块: from linkedlist import LinkedList [as 别名]
# 或者: from linkedlist.LinkedList import peek [as 别名]
def test_reverse_double(self):
ll = LinkedList(45)
ll.append(46)
self.assertEqual(2, len(ll))
self.assertEqual(45, ll.peek())
self.assertEqual("45->46", str(ll))
ll.reverse()
self.assertEqual(2, len(ll))
self.assertEqual(46, ll.peek())
self.assertEqual("46->45", str(ll))示例5: Test_LinkedList
# 需要导入模块: from linkedlist import LinkedList [as 别名]
# 或者: from linkedlist.LinkedList import peek [as 别名]
class Test_LinkedList(unittest.TestCase):
def setUp(self):
self.ll = LinkedList(4)
self.ll.prepend(5)
def test_simple(self):
self.assertEqual(5, self.ll.peek())
self.assertEqual(2, len(self.ll))
def test_prepend(self):
ll = LinkedList(3)
self.assertEqual(1, len(ll))
self.assertEqual(3, ll.peek())
ll.prepend(2)
self.assertEqual(2, len(ll))
self.assertEqual(2, ll.peek())
ll.prepend(1)
self.assertEqual(3, len(ll))
self.assertEqual(1, ll.peek())
def test_append(self):
self.ll.append(6)
self.assertEqual(5, self.ll.peek())
self.assertEqual(3, len(self.ll))
self.assertEqual(4, self.ll.next.peek())
self.assertEqual(6, self.ll.next.next.peek())
def test_len(self):
self.ll.append(6)
self.assertEqual(3, len(self.ll))
def test_len_uninitialized(self):
ll = LinkedList()
ll.prepend(5)
self.assertEqual(1, len(ll))
def test_pop(self):
head_value = self.ll.pop()
self.assertEqual(5, head_value)
self.assertEqual(1, len(self.ll))
self.assertEqual(4, self.ll.peek())
def test_pop_to_empty(self):
ll = LinkedList(5)
self.assertEqual(1, len(ll))
self.assertEqual(ll.next, None)
self.assertFalse(ll.isEmpty())
head_value = ll.pop()
self.assertEqual(head_value, 5)
self.assertEqual(0, len(ll))
self.assertEqual(ll.next, None)
self.assertTrue(ll.isEmpty())
def test_isEmpty(self):
ll = LinkedList()
self.assertTrue(ll.isEmpty())
def test_pop_empty(self):
ll = LinkedList()
self.assertRaises(ListEmptyError, ll.pop)
def test_add(self):
ll = LinkedList(4)
ll.append(6)
ll2 = LinkedList(10)
ll2.append(12)
ll2.append(13)
ll = ll + ll2
self.assertEqual(5, len(ll))
def test_clear(self):
self.assertFalse(self.ll.isEmpty())
self.assertTrue(len(self.ll) == 2)
self.ll.clear()
self.assertTrue(self.ll.isEmpty())
def test_clear_empty_list(self):
ll = LinkedList()
ll.clear()
self.assertTrue(ll.isEmpty())
def test_reversed(self):
ll = LinkedList(7)
ll.append(8)
ll.append(9)
self.assertEqual(3, len(ll))
self.assertEqual(7, ll.peek())
self.assertEqual("7->8->9", str(ll))
rev = ll.reversed()
self.assertEqual("9->8->7", str(rev))
self.assertEqual(9, rev.peek())
self.assertEqual(3, len(ll))
self.assertEqual(7, ll.peek())
self.assertEqual("7->8->9", str(ll))
def test_reverse(self):
ll = LinkedList(7)
ll.append(8)
ll.append(9)
self.assertEqual(3, len(ll))
#.........这里部分代码省略.........