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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkHashTableTest.cxx,v $
Language: C++
Date: $Date: 2007-08-20 13:00:21 $
Version: $Revision: 1.14 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include "itk_hashtable.h"
#include "itk_hash_set.h"
#include "itk_hash_map.h"
#include <iostream>
/**
* Helper function to prevent compiler's unused variable warning.
*/
template <typename T>
void IgnoreUnusedVariable(const T&)
{
}
extern "C" {
#include "string.h"
}
struct eqstr
{
bool operator()(const char* s1, const char* s2) const
{
return strcmp(s1, s2) == 0;
}
};
void lookup(const itk::hash_set<const char*, itk::hash<const char*>, eqstr>& Set,
const char* word)
{
itk::hash_set<const char*, itk::hash<const char*>, eqstr>::const_iterator it
= Set.find(word);
std::cout << word << ": "
<< (it != Set.end() ? "present" : "not present")
<< std::endl;
}
inline void println(const char *s)
{ std::cout << std::endl << s << std::endl; }
int itkHashTableTest(int, char* [] )
{
println("Testing itk::hash");
itk::hash<const char*> H;
std::cout << "foo -> " << H("foo") << std::endl;
std::cout << "bar -> " << H("bar") << std::endl;
itk::hash<int> H1;
std::cout << "1 -> " << H1(1) << std::endl;
std::cout << "234 -> " << H1(234) << std::endl;
itk::hash<char> H2;
std::cout << "a -> " << H2('a') << std::endl;
std::cout << "Z -> " << H2('Z') << std::endl;
println("Testing itk::hash_set");
typedef itk::hash_set<const char*, itk::hash<const char*>, eqstr> HashSetType;
HashSetType Set;
Set.insert("kiwi");
Set.insert("plum");
Set.insert("apple");
Set.insert("mango");
Set.insert("apricot");
Set.insert("banana");
lookup(Set, "mango");
lookup(Set, "apple");
lookup(Set, "durian");
Set.begin();
Set.end();
Set.size();
Set.max_size();
Set.empty();
Set.bucket_count();
Set.resize(50);
Set.insert("the horror");
Set.count("apple");
Set.find("kiwi");
HashSetType::iterator hsh_it = Set.begin();
HashSetType::const_iterator hst_const_it;
hst_const_it = Set.end();
HashSetType SetCopy;
SetCopy = Set;
// SetCopy == Set; -- Removed until I can track down why the IRIX compiler
// does not find this during link phase. cates 3/20/01
println("Testing itk::hash_map");
typedef itk::hash_map<const char*, int, itk::hash<const char*>, eqstr>
HashMapType;
HashMapType months;
months["january"] = 31;
months["february"] = 28;
months["march"] = 31;
months["april"] = 30;
months["may"] = 31;
months["june"] = 30;
months["july"] = 31;
months["august"] = 31;
months["september"] = 30;
months["october"] = 31;
months["november"] = 30;
months["december"] = 31;
std::cout << "september -> " << months["september"] << std::endl;
std::cout << "april -> " << months["april"] << std::endl;
std::cout << "june -> " << months["june"] << std::endl;
std::cout << "november -> " << months["november"] << std::endl;
months.begin();
months.end();
months.size();
months.max_size();
months.empty();
months.bucket_count();
months.resize(50);
HashMapType::value_type p("psychotic break", 2);
months.insert(p);
months.count("january");
months.find("june");
HashMapType::iterator map_it = months.begin();
HashMapType::const_iterator map_const_it;
map_const_it = months.end();
HashMapType MapCopy;
MapCopy = months;
// MapCopy == months; -- Removed until I can track down why IRIX compiler
// does not find this during link phase. cates 3/20/01
IgnoreUnusedVariable(hsh_it);
IgnoreUnusedVariable(map_it);
return EXIT_SUCCESS;
}
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