Exemple #1
0
        public void SearchForIndexTest5()
        {
            RedBlackTreeWithIndexAccess tree = new RedBlackTreeWithIndexAccess();

            tree.RB_Insert("zhu0");
            tree.RB_Insert("zhu1");
            tree.RB_Insert("zhu2");
            tree.RB_Insert("zhu3");
            tree.RB_Insert("zhu4");
            tree.RB_Insert("zhu5");
            tree.RB_Insert("zhu6");
            tree.RB_Insert("zhu7");
            tree.RB_Insert("zhu8");
            tree.RB_Insert("zhu9");
            //Trace.WriteLine("_______before deleting of zhu0______");
            //tree.InorderPrint();
            //Trace.WriteLine("_______deleting of zhu0___");
            tree.RB_Delete("zhu0");
            //tree.InorderPrint();
            //Trace.WriteLine("____________________________________");
            //Trace.WriteLine("_______inserting of SergZ___");
            tree.RB_Insert("SergZ");
            //tree.InorderPrint();
            //Trace.WriteLine("____________________________________");
            //Trace.WriteLine("_______deleting of zhu1___");
            tree.RB_Delete("zhu1");
            //tree.InorderPrint();

            Assert.AreEqual("zhu2", tree.OS_Select(1));
        }
Exemple #2
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        public void OS_Rank_AfterDeletingTest()
        {
            RedBlackTreeWithIndexAccess tree = new RedBlackTreeWithIndexAccess();
            int NUMBER = 1000;
            int HALF   = NUMBER / 2;

            for (int i = 0; i < NUMBER; i++)
            {
                tree.RB_Insert(i);
            }
            for (int i = HALF; i < NUMBER; i++)
            {
                tree.RB_Delete(i);
            }

            for (int i = 0; i < HALF; i++)
            {
                Assert.AreEqual(i, tree.OS_Rank(i));
            }

            for (int i = HALF; i < NUMBER; i++)
            {
                tree.RB_Insert(i);
            }
            for (int i = 0; i < NUMBER; i++)
            {
                Assert.AreEqual(i, tree.OS_Rank(i));
            }
        }
Exemple #3
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        public void InsertingAfterDeletingTest1()
        {
            RedBlackTreeWithIndexAccess tree = new RedBlackTreeWithIndexAccess();
            int NUMBER = 6;
            int HALF   = NUMBER / 2;

            for (int i = 0; i < NUMBER; i++)
            {
                tree.RB_Insert(i);
            }
            for (int i = HALF; i < NUMBER; i++)
            {
                tree.RB_Delete(i);
            }

            int test = tree.SearchForIndex(4);

            if (test.Equals(4))
            {
                Assert.Fail("test.Key == 4");
            }
            for (int i = HALF; i < NUMBER; i++)
            {
                tree.RB_Insert(i);
            }

            //RBNode testNode = tree.GetMinimum();
            //Assert.AreEqual( 0, testNode.Key );
            for (int i = 0; i < NUMBER; i++)
            {
                Assert.AreEqual(i, tree.OS_Rank(i));
                //testNode = tree.GetSuccessor( testNode );
            }
        }
Exemple #4
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        public void InsertingAfterDeletingTest1000()
        {
            RedBlackTreeWithIndexAccess tree = new RedBlackTreeWithIndexAccess();
            int NUMBER = 1000;
            int HALF   = NUMBER / 2;

            for (int i = 0; i < NUMBER; i++)
            {
                tree.RB_Insert(i);
            }
            for (int i = HALF; i < NUMBER; i++)
            {
                tree.RB_Delete(i);
            }
            for (int i = HALF; i < NUMBER; i++)
            {
                tree.RB_Insert(i);
            }

            //RBNode testNode = tree.GetMinimum();
            //Assert.AreEqual( 0, testNode.Key );
            for (int i = 0; i < NUMBER; i++)
            {
                Assert.AreEqual(i, tree.OS_Rank(i));
                //testNode = tree.GetSuccessor( testNode );
            }
        }
Exemple #5
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        public void SearchForIndexTest4()
        {
            RedBlackTreeWithIndexAccess tree = new RedBlackTreeWithIndexAccess();

            tree.RB_Insert("zhu0");
            tree.RB_Insert("zhu1");
            tree.RB_Insert("zhu2");
            tree.RB_Delete("zhu1");
            int i = ~tree.SearchForIndex("zhu1");

            Assert.AreEqual(1, i);
        }
Exemple #6
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        public void SearchForIndexTest3()
        {
            RedBlackTreeWithIndexAccess tree = new RedBlackTreeWithIndexAccess();

            tree.RB_Insert("zhu0");
            tree.RB_Insert("zhu1");
            tree.RB_Insert("zhu2");
            tree.RB_Insert("zhu3");
            tree.RB_Insert("zhu4");
            tree.RB_Insert("zhu5");
            tree.RB_Insert("zhu6");
            tree.RB_Insert("zhu7");
            tree.RB_Insert("zhu8");
            tree.RB_Insert("zhu9");
            tree.RB_Delete("zhu4");
            tree.RB_Delete("zhu0");
            tree.RB_Delete("zhu1");
            tree.RB_Delete("zhu2");
            tree.RB_Delete("zhu3");
            tree.SearchForIndex("zhu4");
        }
Exemple #7
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        public void DeletingTest()
        {
            RedBlackTreeWithIndexAccess tree = new RedBlackTreeWithIndexAccess();

            for (int i = 0; i < 1000; i++)
            {
                tree.RB_Insert(i);
            }
            for (int i = 0; i < 1000; i++)
            {
                tree.RB_Delete(i);
            }
        }
Exemple #8
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        public void OS_SelectTest()
        {
            RedBlackTreeWithIndexAccess tree = new RedBlackTreeWithIndexAccess();
            int NUMBER = 40;

            //int TEST_NUM = 8;
            for (int i = 0; i < NUMBER; i++)
            {
                tree.RB_Insert(i);
            }

            Assert.AreEqual(NUMBER, tree.Count);
            //Trace.WriteLine( "______________________________" );

            try
            {
                //Trace.WriteLine( "________delete 8______________________" );
                tree.RB_Delete(8);
                //Trace.WriteLine( "________delete 9______________________" );
                tree.RB_Delete(9);
                //Trace.WriteLine( "________delete 10______________________" );
                tree.RB_Delete(10);
                //Trace.WriteLine( "________delete 11______________________" );
                tree.RB_Delete(11);
                //Trace.WriteLine( "________delete 12______________________" );
                tree.RB_Delete(12);
                //Trace.WriteLine( "________delete 13______________________" );
                tree.RB_Delete(13);
                //Trace.WriteLine( "________delete 14______________________" );
                tree.RB_Delete(14);
                //Trace.WriteLine( "______________________________" );
                //tree.InorderPrint();
                tree.RB_Delete(15);
                for (int j = 0; j < 32; j++)
                {
                    tree.OS_Select(j);
                    //Assert.AreEqual( i, found );
                }
            }
            catch (InvalidCastException ex)
            {
                Trace.WriteLine(ex.Message);
                Trace.WriteLine("______________________________");
                tree.InorderPrint();
                Trace.WriteLine("tree.Count: " + tree.Count);
                throw ex;
            }
        }
Exemple #9
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        public void SearchAfterDeletingTest()
        {
            RedBlackTreeWithIndexAccess tree = new RedBlackTreeWithIndexAccess();

            for (int i = 0; i < 1000; i++)
            {
                tree.RB_Insert(i);
            }
            for (int i = 0; i < 1000; i = i + 2)
            {
                tree.RB_Delete(i);
            }
            for (int i = 0; i < 499; i++)
            {
                int found = (int)tree.OS_Select(i);
                Assert.AreEqual(i * 2 + 1, found);
            }
        }
Exemple #10
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        public void StressTestForGetMinimum()
        {
            RedBlackTreeWithIndexAccess tree = new RedBlackTreeWithIndexAccess();

            for (int i = 0; i < 1000000; i++)
            {
                tree.RB_Insert(new TestObject(4));
            }
            tree.RB_Insert(new TestObject(1));
            RBNodeIndexAccess node = null;
            int key = 0;

            while (key != 1)
            {
                node = tree.GetMinimumNode();
                key  = ((TestObject)node.Key)._value;
                tree.RB_Delete(node);
            }
        }
Exemple #11
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        public void GetEqualOrMoreTest4()
        {
            RedBlackTreeWithIndexAccess tree = new RedBlackTreeWithIndexAccess();

            for (int i = 0; i < 100000; i++)
            {
                tree.RB_Insert(i);
            }

            for (int i = 10000; i < 10010; i++)
            {
                tree.RB_Delete(i);
                RBNodeIndexAccess node = tree.GetEqualOrMore(i, null);
                Assert.AreEqual(i + 1, (int)node.Key);
                for (int j = i + 2; j < 100000; j++)
                {
                    node = tree.GetNext(node);
                    Assert.AreEqual(j, (int)node.Key);
                }
            }
        }
Exemple #12
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        public void CountTest()
        {
            RedBlackTreeWithIndexAccess tree = new RedBlackTreeWithIndexAccess();

            tree.RB_Insert(3);
            Assert.AreEqual(0, tree.SearchForIndex(3));
            Assert.AreEqual(1, tree.Count);
            tree.RB_Delete(3);
            Assert.AreEqual(0, tree.Count);
            Assert.AreEqual(-1, tree.SearchForIndex(3));

            tree.RB_Insert(2);
            tree.RB_Insert(4);
            tree.RB_Insert(5);
            tree.RB_Insert(6);
            tree.RB_Insert(7);
            tree.RB_Insert(8);
            tree.RB_Insert(9);
            tree.RB_Insert(10);
            tree.RB_Insert(11);
            tree.RB_Insert(12);
            Assert.AreEqual(10, tree.Count);
            tree.RB_Delete(8);
            Assert.AreEqual(9, tree.Count);
            tree.RB_Delete(4);
            Assert.AreEqual(8, tree.Count);
            tree.RB_Delete(2);
            Assert.AreEqual(7, tree.Count);
            tree.RB_Delete(10);
            Assert.AreEqual(6, tree.Count);
            tree.RB_Delete(12);
            Assert.AreEqual(5, tree.Count);
            tree.RB_Delete(6);
            Assert.AreEqual(4, tree.Count);
            tree.RB_Delete(7);
            Assert.AreEqual(3, tree.Count);
            tree.RB_Delete(5);
            Assert.AreEqual(2, tree.Count);
            tree.RB_Delete(11);
            Assert.AreEqual(1, tree.Count);
            tree.RB_Delete(9);
            Assert.AreEqual(0, tree.Count);
        }