gem5/test/lru_test.cc

/*
 * Copyright (c) 2003-2005 The Regents of The University of Michigan
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 */

#include <iostream>
#include "bhgp.hh"

int main(void)
{
  typedef AssociativeTable<unsigned int, unsigned int> tableType;
  tableType table(10, 4);  // 40 entry table

  std::cout << "Initial state:" << std::endl;
  table.dump();

  std::cout << "Inserting (2, 1)" << std::endl;
  table[2] = 1;
  table.dump();

  std::cout << "Inserting (5, 2)" << std::endl;
  table[5] = 2;
  table.dump();

  std::cout << "Inserting (10 + 2, 3)" << std::endl;
  table[10 + 2] = 3;
  table.dump();

  tableType::const_iterator i = table.find(2);
  assert(i != table.end());
  std::cout << "Accessed 2: " << *i << std::endl;
  table.dump();

  i = table.find(10 + 2);
  assert(i != table.end());
  std::cout << "Accessed 10 + 2: " << *i << std::endl;
  table.dump();

  i = table.find(34);
  assert(i == table.end());

  std::cout << "Inserting (2 * 10 + 2, 4)" << std::endl;
  table[2 * 10 + 2] = 4;
  table.dump();

  std::cout << "Replacing (10 + 2) with 5" << std::endl;
  table[10 + 2] = 5;
  table.dump();

  std::cout << "Inserting (3 * 10 + 2, 6)" << std::endl;
  table[3 * 10 + 2] = 6;
  table.dump();

  std::cout << "Inserting (4 * 10 + 2, 7)" << std::endl;
  table[4 * 10 + 2] = 7;
  table.dump();

  return(0);
}