private static void TestSet()
{
AvlTreeList <string> list = new AvlTreeList <string>();
for (int i = 0; i < 10; i++)
{
list.Add(null);
}
list[0] = "zero";
list[1] = "ten";
list[2] = "twenty";
list[3] = "thirty";
list[4] = "forty";
list[5] = "fifty";
list[6] = "sixty";
list[7] = "seventy";
list[8] = "eighty";
list[9] = "ninety";
AssertEquals(list.Count, 10);
AssertEquals(list[0], "zero");
AssertEquals(list[1], "ten");
AssertEquals(list[2], "twenty");
AssertEquals(list[3], "thirty");
AssertEquals(list[4], "forty");
AssertEquals(list[5], "fifty");
AssertEquals(list[6], "sixty");
AssertEquals(list[7], "seventy");
AssertEquals(list[8], "eighty");
AssertEquals(list[9], "ninety");
}
private void AddValues(AvlTreeList <int> tree)
{
for (int i = 0; i < _values.Length; i++)
{
var number = _values[i];
tree.Add(number);
}
}
private static void TestClear()
{
AvlTreeList <int> list = new AvlTreeList <int>();
for (int i = 0; i < 20; i++)
{
list.Add(i * i);
}
list.Clear();
AssertEquals(list.Count, 0);
list.Add(-1);
list.Add(-8);
list.Add(-27);
AssertEquals(list.Count, 3);
AssertEquals(list[0], -1);
AssertEquals(list[1], -8);
AssertEquals(list[2], -27);
}
// Stresses the self-balancing mechanism
private static void TestInsertManyBeginning()
{
AvlTreeList <int> list = new AvlTreeList <int>();
for (int i = 0; i < 300000; i++)
{
list.Add(i);
}
for (int i = 0; i < list.Count; i++)
{
AssertEquals(list[i], i);
}
}
// Adds in a weird binary pattern to stress arrays and linked lists
private static void TestInsertManyEverywhere()
{
const int N = 18;
AvlTreeList <int> list = new AvlTreeList <int>();
list.Add(0);
for (int i = N - 1; i >= 0; i--)
{
for (int j = 1 << i, k = 1; j < (1 << N); j += 2 << i, k += 2)
{
list.Insert(k, j);
}
}
for (int i = 0; i < list.Count; i++)
{
AssertEquals(list[i], i);
}
}
private static void TestAdd()
{
AvlTreeList <string> list = new AvlTreeList <string>();
list.Add("January");
list.Add("February");
list.Add("March");
list.Add("April");
list.Add("May");
list.Add("June");
list.CheckStructure();
AssertEquals(list.Count, 6);
AssertEquals(list[0], "January");
AssertEquals(list[1], "February");
AssertEquals(list[2], "March");
AssertEquals(list[3], "April");
AssertEquals(list[4], "May");
AssertEquals(list[5], "June");
}
private static void TestRemoveAt()
{
AvlTreeList <char> list = new AvlTreeList <char>();
{
string str = "the quick brown fox jumped over the lazy dog";
for (int i = 0; i < str.Length; i++)
{
list.Add(str[i]);
}
AssertEquals(list.Count, str.Length);
}
AssertEquals(list[2], 'e'); list.RemoveAt(2);
AssertEquals(list[4], 'u'); list.RemoveAt(4);
AssertEquals(list[3], 'q'); list.RemoveAt(3);
AssertEquals(list[2], ' '); list.RemoveAt(2);
AssertEquals(list[12], 'f'); list.RemoveAt(12);
AssertEquals(list[11], ' '); list.RemoveAt(11);
AssertEquals(list[10], 'n'); list.RemoveAt(10);
AssertEquals(list[9], 'w'); list.RemoveAt(9);
AssertEquals(list[11], ' '); list.RemoveAt(11);
AssertEquals(list[11], 'j'); list.RemoveAt(11);
AssertEquals(list[11], 'u'); list.RemoveAt(11);
AssertEquals(list[10], 'x'); list.RemoveAt(10);
AssertEquals(list[11], 'p'); list.RemoveAt(11);
AssertEquals(list[12], 'd'); list.RemoveAt(12);
AssertEquals(list[11], 'e'); list.RemoveAt(11);
AssertEquals(list[13], 'v'); list.RemoveAt(13);
AssertEquals(list[13], 'e'); list.RemoveAt(13);
AssertEquals(list[19], 'l'); list.RemoveAt(19);
AssertEquals(list[20], 'z'); list.RemoveAt(20);
AssertEquals(list[19], 'a'); list.RemoveAt(19);
AssertEquals(list[18], ' '); list.RemoveAt(18);
AssertEquals(list[22], 'g'); list.RemoveAt(22);
{
String str = "thick broom or they do";
AssertEquals(list.Count, str.Length);
for (int i = 0; i < str.Length; i++)
{
AssertEquals(list[i], str[i]);
}
}
AssertEquals(list[0], 't'); list.RemoveAt(0);
AssertEquals(list[2], 'c'); list.RemoveAt(2);
AssertEquals(list[2], 'k'); list.RemoveAt(2);
AssertEquals(list[2], ' '); list.RemoveAt(2);
AssertEquals(list[2], 'b'); list.RemoveAt(2);
AssertEquals(list[2], 'r'); list.RemoveAt(2);
AssertEquals(list[2], 'o'); list.RemoveAt(2);
AssertEquals(list[2], 'o'); list.RemoveAt(2);
AssertEquals(list[4], 'o'); list.RemoveAt(4);
AssertEquals(list[7], 'h'); list.RemoveAt(7);
AssertEquals(list[5], ' '); list.RemoveAt(5);
AssertEquals(list[5], 't'); list.RemoveAt(5);
AssertEquals(list[9], 'o'); list.RemoveAt(9);
AssertEquals(list[7], ' '); list.RemoveAt(7);
AssertEquals(list[6], 'y'); list.RemoveAt(6);
{
String str = "him red";
AssertEquals(list.Count, str.Length);
for (int i = 0; i < str.Length; i++)
{
AssertEquals(list[i], str[i]);
}
}
}
