tripwire-open-source/src/twtest/hashtable_t.cpp

216 lines
6.2 KiB
C++

//
// The developer of the original code and/or files is Tripwire, Inc.
// Portions created by Tripwire, Inc. are copyright (C) 2000-2021 Tripwire,
// Inc. Tripwire is a registered trademark of Tripwire, Inc. All rights
// reserved.
//
// This program is free software. The contents of this file are subject
// to the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2 of the License, or (at your
// option) any later version. You may redistribute it and/or modify it
// only in compliance with the GNU General Public License.
//
// This program is distributed in the hope that it will be useful.
// However, this program is distributed AS-IS WITHOUT ANY
// WARRANTY; INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
// FOR A PARTICULAR PURPOSE. Please see the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
//
// Nothing in the GNU General Public License or any other license to use
// the code or files shall permit you to use Tripwire's trademarks,
// service marks, or other intellectual property without Tripwire's
// prior written consent.
//
// If you have any questions, please contact Tripwire, Inc. at either
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//
//hashtable_t.cpp : Test suite for cHashTable.
#include "core/stdcore.h"
#include "core/hashtable.h"
#include <iostream>
#ifndef __TEST_H
#include "twtest/test.h"
#endif
//#include "dummy.h"
using namespace std;
void HashTest1()
{
//Test the Hash table with Key = TSTRING
cHashTable<TSTRING, void*> htable;
cDebug d("TestHashTable()::Test1");
d.TraceDetail("Entering ...\n");
//test data
TSTRING string = _T("test string");
TSTRING string2 = _T("another test string");
TSTRING string3 = _T("yet another test string");
void* data_ptr = NULL;
void* data_ptr2 = NULL;
void* data_ptr3 = NULL;
void* test_lookup = NULL;
int var = 32;
int var2 = 33;
int* test = &var;
int* test2 = &var2;
data_ptr = test;
data_ptr2 = test2;
//Test insert and lookup.
htable.Insert(string, data_ptr);
TEST(htable.Lookup(string, test_lookup));
//Make sure value is being stored and returned correctly
d.TraceDetail("Value returned from table is %i, and should be %i.\n", *((int*)test_lookup), var);
TEST(*((int*)test_lookup) == var);
//Check remove and lookup (lookup should fail)
TEST(htable.Remove(string));
TEST(!htable.Lookup(string, test_lookup));
//Has test_lookup's value changed? It shouldn't have...
TEST(*((int*)test_lookup) == var);
//Insert and Remove different string/key combo.
htable.Insert(string2, data_ptr2);
htable.Insert(string3, data_ptr3);
// test iteration
cHashTableIter<TSTRING, void*> iter(htable);
d.TraceDebug("Testing the iterator:\n");
for (iter.SeekBegin(); !iter.Done(); iter.Next())
{
d.TraceDebug(_T("Key=%s\tValue=%d\n"), iter.Key().c_str(), iter.Val());
}
// get statistics
#ifdef DEBUG
htable.TraceDiagnostics();
#endif
//Test IsEmpty()
TEST(!htable.IsEmpty());
//Test Clear(), IsEmpty()
TEST(htable.Clear());
TEST(htable.IsEmpty());
}
// TODO: Turn this into a working, useful test, or remove it.
void HashTest3()
{
/*
//Test the Hash table with arbitrary key
//Won't work with int!! (oops). I'll need to make one of our data types
// const TCHAR*() capable. Casting an int to a TCHAR* just returns an address,
// so there's no way to properly hash (no length, etc).
cHashTable<cDummy, void*> htable2;
cDummy key1, key2;
key1.SetInt(40);
key2.SetInt(50);
test_lookup = NULL;
//Test insert and lookup.
htable2.Insert(key1, data_ptr);
TEST(ret &= htable2.Lookup(key1, test_lookup));
//Make sure value is being stored and returned correctly
d.TraceDetail("Value returned from table is %i, and should be %i.\n", *((int*)test_lookup), var);
TEST(*((int*)test_lookup) == var);
//Check remove and lookup (lookup should fail)
TEST(ret &= htable2.Remove(key1));
TEST(ret &= !htable2.Lookup(key1, test_lookup));
//Has test_lookup's value changed? It shouldn't have...
TEST(*((int*)test_lookup) == var);
//Insert and different key/val combo.
htable2.Insert(key2, data_ptr2);
//Test IsEmpty()
ret &= !htable2.IsEmpty();
TEST(!htable2.IsEmpty());
//Test Clear(), IsEmpty()
ret &= htable2.Clear();
TEST(htable2.Clear());
ret &= htable2.IsEmpty();
TEST(htable2.IsEmpty());
*/
return;
}
void HashTest2()
{
cDebug d("TestHashTable()::Test2");
d.TraceDebug("entering...\n");
{
cHashTable<TSTRING, TSTRING> tbl;
// test insert and lookup
TEST(tbl.Insert(_T("foo"), _T("foo")) == false);
TSTRING val;
TEST(tbl.Lookup(_T("foo"), val));
TEST(val.compare(_T("foo")) == 0);
// check Empty() on non-empty list
TEST(tbl.IsEmpty() == false);
// test insertion with collision
TEST(tbl.Insert(_T("foo"), _T("bar")) == true);
TEST(tbl.Lookup(_T("foo"), val));
TEST(val.compare(_T("bar")) == 0);
// test removal
TEST(tbl.Remove(_T("foo")));
// make sure it's totally empty (confirms that hash table insertion worked!)
TEST(tbl.IsEmpty());
// test another insertion
TEST(tbl.Insert(_T("a"), _T("bcd")) == false);
TEST(tbl.Insert(_T("b"), _T("def")) == false);
TSTRING v1, v2;
TEST(tbl.Lookup(_T("a"), v1));
TEST(tbl.Lookup(_T("b"), v2));
TEST(v1.compare(_T("bcd")) == 0);
TEST(v2.compare(_T("def")) == 0);
// remove and test IsEmpty()
TEST(tbl.Remove(_T("a")));
TEST(tbl.IsEmpty() == false);
TEST(tbl.Remove(_T("b")));
TEST(tbl.IsEmpty() == true);
}
d.TraceDebug("PASSED!\n");
}
void RegisterSuite_HashTable()
{
RegisterTest("HashTable", "Basic 1", HashTest1);
RegisterTest("HashTable", "Basic 2", HashTest2);
}