public static void DoTest()
{
var OAtable = new OpenAddressingHashTable <int, int>(7);
//testing Add for int
OAtable.Add(79, 1);
OAtable.Add(72, 2);
OAtable.Add(98, 3);
OAtable.Add(14, 4);
var one = OAtable[79];
Debug.Assert(one == 1);
var six = OAtable[72];
Debug.Assert(six == 2);
var three = OAtable[98];
Debug.Assert(three == 3);
var four = OAtable[14];
Debug.Assert(four == 4);
//test search for int
int two_search = OAtable.search(79);
int three_search = OAtable.search(72);
int zero = OAtable.search(98);
int six_search = OAtable.search(14);
int nil = OAtable.search(223);
Debug.Assert(two_search == 2);
Debug.Assert(three_search == 3);
Debug.Assert(zero == 0);
Debug.Assert(six_search == 6);
Debug.Assert(nil == -1);
//test ContainsKey
Debug.Assert(OAtable.ContainsKey(14));
Debug.Assert(OAtable.ContainsKey(98));
Debug.Assert(OAtable.ContainsKey(72));
Debug.Assert(!OAtable.ContainsKey(5));
//test expand
OAtable.Add(858, 5);
OAtable.Add(456, 6);
OAtable.Add(24, 7);
//expand and rehash after this insertion-- new size: 14
OAtable.Add(872234, 8);
//check each new value since the table was rehashed
int nine = OAtable.search(79);
int two_expand = OAtable.search(72);
int zero_expand = OAtable.search(98);
int six_expand = OAtable.search(14);
int four_expand = OAtable.search(858);
int eight = OAtable.search(456);
int ten = OAtable.search(24);
int five_expand = OAtable.search(872234);
Debug.Assert(nine == 9);
Debug.Assert(two_expand == 2);
Debug.Assert(zero_expand == 0);
Debug.Assert(six_expand == 6);
Debug.Assert(four_expand == 4);
Debug.Assert(eight == 8);
Debug.Assert(ten == 10);
Debug.Assert(five_expand == 5);
var five = OAtable[858];
Debug.Assert(five == 5);
var six_1 = OAtable[456];
Debug.Assert(six_1 == 6);
var seven = OAtable[24];
Debug.Assert(seven == 7);
var eight_2 = OAtable[872234];
Debug.Assert(eight_2 == 8);
var OAtableString = new OpenAddressingHashTable <string, string>(7);
//testing Add for string
OAtableString.Add("foo", "oof");
OAtableString.Add("bar", "rab");
OAtableString.Add("insert", "tresni");
OAtableString.Add("string", "gnirts");
var oof = OAtableString["foo"];
Debug.Assert(oof == "oof");
var rab = OAtableString["bar"];
Debug.Assert(rab == "rab");
var tresni = OAtableString["insert"];
Debug.Assert(tresni == "tresni");
var gnirts = OAtableString["string"];
Debug.Assert(gnirts == "gnirts");
//test search for string
int string_two = OAtableString.search("foo");
int string_one = OAtableString.search("bar");
int string_three = OAtableString.search("insert");
int string_five = OAtableString.search("string");
Debug.Assert(string_two == 2);
Debug.Assert(string_one == 1);
Debug.Assert(string_three == 3);
Debug.Assert(string_five == 5);
var OAtableChar = new OpenAddressingHashTable <char, char>(70);
//test Add for char
OAtableChar.Add('h', 'h');
OAtableChar.Add('e', 'e');
OAtableChar.Add('l', 'l');
OAtableChar.Add('l', 'l');
OAtableChar.Add('o', 'o');
OAtableChar.Add('_', '_');
OAtableChar.Add('w', 'w');
OAtableChar.Add('o', 'o');
OAtableChar.Add('r', 'r');
OAtableChar.Add('l', 'l');
OAtableChar.Add('d', 'd');
var h = OAtableChar['h'];
Debug.Assert(h == 'h');
var w = OAtableChar['w'];
Debug.Assert(w == 'w');
var l = OAtableChar['l'];
Debug.Assert(l == 'l');
var d = OAtableChar['d'];
Debug.Assert(d == 'd');
//test search for char
int char_threefour = OAtableChar.search('h');
int char_threeone = OAtableChar.search('e');
int char_threeeight = OAtableChar.search('l');
//l is duplicate
int char_fourone = OAtableChar.search('o');
int char_twofive = OAtableChar.search('_');
int char_fournine = OAtableChar.search('w');
//o is duplicate
int char_fourfour = OAtableChar.search('r');
//l is duplicate
int char_thirty = OAtableChar.search('d');
Debug.Assert(char_threefour == 34);
Debug.Assert(char_threeone == 31);
Debug.Assert(char_threeeight == 38);
//l is duplicate
Debug.Assert(char_fourone == 41);
Debug.Assert(char_twofive == 25);
Debug.Assert(char_fournine == 49);
//o is duplicate
Debug.Assert(char_fourfour == 44);
//l is duplicate
Debug.Assert(char_thirty == 30);
//test remove, clear, count, rehash and TryGetValue
var OAtable_2 = new OpenAddressingHashTable <int, int>(7);
//testing Add for int
OAtable_2.Add(79, 1);
OAtable_2.Add(72, 2);
OAtable_2.Add(98, 3);
OAtable_2.Add(14, 4);
var one_2 = OAtable_2[79];
Debug.Assert(one_2 == 1);
var six_2 = OAtable_2[72];
Debug.Assert(six_2 == 2);
var three_2 = OAtable_2[98];
Debug.Assert(three_2 == 3);
var four_2 = OAtable_2[14];
Debug.Assert(four_2 == 4);
int count = OAtable_2.Count();
Debug.Assert(count == 4);
Debug.Assert(OAtable_2.Remove(72));
count = OAtable_2.Count();
Debug.Assert(count == 3);
Debug.Assert(!OAtable_2.Remove(500));
Debug.Assert(OAtable_2.Remove(79));
count = OAtable_2.Count();
Debug.Assert(count == 2);
OAtable_2.Clear();
count = OAtable_2.Count();
Debug.Assert(count == 0);
//test KeyValuePair<> for Add, Remove, and Contains
var OAtable_3 = new OpenAddressingHashTable <int, int>(7);
var item = new KeyValuePair <int, int>(79, 10);
OAtable_3.Add(item);
var item1 = new KeyValuePair <int, int>(72, 11);
OAtable_3.Add(item1);
var item2 = new KeyValuePair <int, int>(98, 12);
OAtable_3.Add(item2);
var item3 = new KeyValuePair <int, int>(14, 13);
OAtable_3.Add(item3);
var item4 = new KeyValuePair <int, int>(200, 50);
var ten_3 = OAtable_3[79];
Debug.Assert(ten == 10);
var eleven = OAtable_3[72];
Debug.Assert(eleven == 11);
var twelve = OAtable_3[98];
Debug.Assert(twelve == 12);
var thirteen = OAtable_3[14];
Debug.Assert(thirteen == 13);
Debug.Assert(OAtable_3.Contains(item2));
Debug.Assert(!OAtable_3.Contains(item4));
OAtable_3.Remove(item1);
count = OAtable_3.Count();
Debug.Assert(count == 3);
}