public void DeleteNodeTest1()
{
//[1] 2 3 4 5
node1.Delete();
Assert.IsNull(node2.Previous);
Assert.IsNull(node1.Next);
}
public void DeleteTest()
{
node1.AddAfter(node2);
node2.AddAfter(node3);
node3.AddAfter(node4);
node4.AddAfter(node5);
// [1] 2 3 4 5
node1.Delete();
Assert.IsNull(node2.Previous);
Assert.IsNull(node1.Next);
Assert.IsNull(node1.Previous);
//2 [3] 4 5
node3.Delete();
Assert.IsNull(node2.Previous);
Assert.AreEqual(node4, node2.Next);
Assert.AreEqual(node2, node4.Previous);
Assert.AreEqual(node5, node4.Next);
//2 [4] 5
node4.Delete();
Assert.IsNull(node2.Previous);
Assert.AreEqual(node5, node2.Next);
Assert.AreEqual(node2, node5.Previous);
Assert.IsNull(node5.Next);
//2 [5]
node5.Delete();
Assert.IsNull(node2.Previous);
Assert.IsNull(node2.Next);
Assert.AreEqual(null, node5.Previous);
Assert.IsNull(node5.Next);
}
public void DeleteTest()
{
// [1] 2 3 4 5 6
node1.Delete();
Assert.IsNull(node1.Previous);
Assert.IsNull(node1.Next);
Assert.AreEqual(node2, node3.Previous);
Assert.AreEqual(node3, node2.Next);
Assert.IsNull(node2.Previous);
// 2 3 4 5 [6]
node6.Delete();
Assert.IsNull(node6.Previous);
Assert.IsNull(node6.Next);
Assert.AreEqual(node4, node5.Previous);
Assert.AreEqual(node5, node4.Next);
Assert.IsNull(node5.Next);
// 2 3 [4] 5
node4.Delete();
Assert.IsNull(node4.Previous);
Assert.IsNull(node4.Next);
Assert.AreEqual(node3, node2.Next);
Assert.AreEqual(node2, node3.Previous);
Assert.AreEqual(node3, node5.Previous);
Assert.AreEqual(node5, node3.Next);
Assert.IsNull(node5.Next);
}
public void Delete()
{
// 1 2 3 原来的顺序
//[1] 2 3
node1.Delete(node1);
Assert.IsNull(node2.Previous);
Assert.AreEqual(node3, node2.Next);
Assert.AreEqual(node2, node3.Previous);
// 1 [2] 3
node2.Delete(node2);
Assert.IsNull(node1.Previous);
Assert.AreEqual(node3, node1.Next);
Assert.AreEqual(node1, node3.Previous);
// 1 2 [3]
node3.Delete(node3);
Assert.IsNull(node1.Previous);
Assert.AreEqual(node2, node1.Next);
Assert.AreEqual(node1, node2.Previous);
// 只有一个
node2.Delete(node2);
node3.Delete(node3);
Assert.IsNull(node1.Previous);
Assert.IsNull(node1.Next);
}
