mapavl-driver.cpp

来自「The existed tree implementation」· C++ 代码 · 共 95 行

#include <string>    // For the STL string class
#include <stream.h>  // For the cout and the << operator

#include "MapAVL.h"


int main()
{
  MapAVL<string,int>  A;

  cout << "\nCreating a new map A from strings to integers.\n";

  cout << "A currently has " << A.size() << " <key,value> pair(s).\n";
  if (A.empty("blue"))   cout << "A[blue] does not exist.\n";   else  cout << "A[blue] = "   << A["blue"]   << endl;
  if (A.empty("green"))  cout << "A[green] does not exist.\n";  else  cout << "A[green] = "  << A["green"]  << endl;
  if (A.empty("yellow")) cout << "A[yellow] does not exist.\n"; else  cout << "A[yellow] = " << A["yellow"] << endl;
  if (A.empty("red"))    cout << "A[red] does not exist.\n";    else  cout << "A[red] = "    << A["red"]    << endl;

  A["red"] = 7;
  cout << "\nSetting A[red] to be 7.\n";

  cout << "A currently has " << A.size() << " <key,value> pair(s).\n";
  if (A.empty("blue"))   cout << "A[blue] does not exist.\n";   else  cout << "A[blue] = "   << A["blue"]   << endl;
  if (A.empty("green"))  cout << "A[green] does not exist.\n";  else  cout << "A[green] = "  << A["green"]  << endl;
  if (A.empty("yellow")) cout << "A[yellow] does not exist.\n"; else  cout << "A[yellow] = " << A["yellow"] << endl;
  if (A.empty("red"))    cout << "A[red] does not exist.\n";    else  cout << "A[red] = "    << A["red"]    << endl;

  A["yellow"] = 10;
  cout << "\nSetting A[yellow] to be 10.\n";

  cout << "A currently has " << A.size() << " <key,value> pair(s).\n";
  if (A.empty("blue"))   cout << "A[blue] does not exist.\n";   else  cout << "A[blue] = "   << A["blue"]   << endl;
  if (A.empty("green"))  cout << "A[green] does not exist.\n";  else  cout << "A[green] = "  << A["green"]  << endl;
  if (A.empty("yellow")) cout << "A[yellow] does not exist.\n"; else  cout << "A[yellow] = " << A["yellow"] << endl;
  if (A.empty("red"))    cout << "A[red] does not exist.\n";    else  cout << "A[red] = "    << A["red"]    << endl;

  A["blue"] = 9;
  cout << "\nSetting A[blue] to be 9.\n";

  cout << "A currently has " << A.size() << " <key,value> pair(s).\n";
  if (A.empty("blue"))   cout << "A[blue] does not exist.\n";   else  cout << "A[blue] = "   << A["blue"]   << endl;
  if (A.empty("green"))  cout << "A[green] does not exist.\n";  else  cout << "A[green] = "  << A["green"]  << endl;
  if (A.empty("yellow")) cout << "A[yellow] does not exist.\n"; else  cout << "A[yellow] = " << A["yellow"] << endl;
  if (A.empty("red"))    cout << "A[red] does not exist.\n";    else  cout << "A[red] = "    << A["red"]    << endl;

  A["red"] = 5;
  cout << "\nSetting A[red] to be 5.\n";

  cout << "A currently has " << A.size() << " <key,value> pair(s).\n";
  if (A.empty("blue"))   cout << "A[blue] does not exist.\n";   else  cout << "A[blue] = "   << A["blue"]   << endl;
  if (A.empty("green"))  cout << "A[green] does not exist.\n";  else  cout << "A[green] = "  << A["green"]  << endl;
  if (A.empty("yellow")) cout << "A[yellow] does not exist.\n"; else  cout << "A[yellow] = " << A["yellow"] << endl;
  if (A.empty("red"))    cout << "A[red] does not exist.\n";    else  cout << "A[red] = "    << A["red"]    << endl;

  A["green"] = 2;
  cout << "\nSetting A[green] to be 2.\n";

  cout << "A currently has " << A.size() << " <key,value> pair(s).\n";
  if (A.empty("blue"))   cout << "A[blue] does not exist.\n";   else  cout << "A[blue] = "   << A["blue"]   << endl;
  if (A.empty("green"))  cout << "A[green] does not exist.\n";  else  cout << "A[green] = "  << A["green"]  << endl;
  if (A.empty("yellow")) cout << "A[yellow] does not exist.\n"; else  cout << "A[yellow] = " << A["yellow"] << endl;
  if (A.empty("red"))    cout << "A[red] does not exist.\n";    else  cout << "A[red] = "    << A["red"]    << endl;

  A["yellow"] = -2;
  cout << "\nSetting A[yellow] to be -2.\n";

  cout << "A currently has " << A.size() << " <key,value> pair(s).\n";
  if (A.empty("blue"))   cout << "A[blue] does not exist.\n";   else  cout << "A[blue] = "   << A["blue"]   << endl;
  if (A.empty("green"))  cout << "A[green] does not exist.\n";  else  cout << "A[green] = "  << A["green"]  << endl;
  if (A.empty("yellow")) cout << "A[yellow] does not exist.\n"; else  cout << "A[yellow] = " << A["yellow"] << endl;
  if (A.empty("red"))    cout << "A[red] does not exist.\n";    else  cout << "A[red] = "    << A["red"]    << endl;

  A.erase("red");
  cout << "\nRemoving A[red]\n";

  cout << "A currently has " << A.size() << " <key,value> pair(s).\n";
  if (A.empty("blue"))   cout << "A[blue] does not exist.\n";   else  cout << "A[blue] = "   << A["blue"]   << endl;
  if (A.empty("green"))  cout << "A[green] does not exist.\n";  else  cout << "A[green] = "  << A["green"]  << endl;
  if (A.empty("yellow")) cout << "A[yellow] does not exist.\n"; else  cout << "A[yellow] = " << A["yellow"] << endl;
  if (A.empty("red"))    cout << "A[red] does not exist.\n";    else  cout << "A[red] = "    << A["red"]    << endl;

  cout << endl << "Testing the dump function:" << endl;

  Pair<string,int> array[10];
  A.dump(array);

  for(int i=0; i < A.size(); i++)
  {
    cout << "A[" << array[i].getLeft() << "] = " << array[i].getRight() << endl;
  }

  return 0;
}