示例#1
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 def test_remove_same(self):
     head = ListNode.build_linked_list([1, 1, 1])
     self.assertIsNone(self.solution.remove_elements(head, 1))
示例#2
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 def test_remove_no_element(self):
     head = ListNode.build_linked_list([1, 2, 3, 4])
     self.assertEqual(self.solution.remove_elements(head, 5), head)
示例#3
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 def test_remove_tail(self):
     head = ListNode.build_linked_list([1, 2, 3, 4])
     expect = ListNode.build_linked_list([1, 2, 3])
     self.assertEqual(self.solution.remove_elements(head, 4), expect)
示例#4
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 def test_remove_multiple(self):
     head = ListNode.build_linked_list([1, 2, 6, 3, 4, 5, 6])
     expect = ListNode.build_linked_list([1, 2, 3, 4, 5])
     self.assertEqual(self.solution.remove_elements(head, 6), expect)