lluuidhashmap_tut.cpp
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- /**
- * @file lluuidhashmap_tut.cpp
- * @author Adroit
- * @date 2007-02
- * @brief Test cases for LLUUIDHashMap
- *
- * $LicenseInfo:firstyear=2007&license=viewergpl$
- *
- * Copyright (c) 2007-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #include <tut/tut.hpp>
- #include "linden_common.h"
- #include "lluuidhashmap.h"
- #include "llsdserialize.h"
- namespace tut
- {
- class UUIDTableEntry
- {
- public:
- UUIDTableEntry()
- {
- mID.setNull();
- mValue = 0;
- }
- UUIDTableEntry(const LLUUID& id, U32 value)
- {
- mID = id;
- mValue = value;
- }
- ~UUIDTableEntry(){};
- static BOOL uuidEq(const LLUUID &uuid, const UUIDTableEntry &id_pair)
- {
- if (uuid == id_pair.mID)
- {
- return TRUE;
- }
- return FALSE;
- }
- const LLUUID& getID() { return mID; }
- const U32& getValue() { return mValue; }
- protected:
- LLUUID mID;
- U32 mValue;
- };
- struct hashmap_test
- {
- };
- typedef test_group<hashmap_test> hash_index_t;
- typedef hash_index_t::object hash_index_object_t;
- tut::hash_index_t tut_hash_index("hashmap_test");
- // stress test
- template<> template<>
- void hash_index_object_t::test<1>()
- {
- LLUUIDHashMap<UUIDTableEntry, 32> hashTable(UUIDTableEntry::uuidEq, UUIDTableEntry());
- const int numElementsToCheck = 32*256*32;
- std::vector<LLUUID> idList(numElementsToCheck);
- int i;
- for (i = 0; i < numElementsToCheck; i++)
- {
- LLUUID id;
- id.generate();
- UUIDTableEntry entry(id, i);
- hashTable.set(id, entry);
- idList[i] = id;
- }
- for (i = 0; i < numElementsToCheck; i++)
- {
- LLUUID idToCheck = idList[i];
- UUIDTableEntry entryToCheck = hashTable.get(idToCheck);
- ensure("set/get did not work", entryToCheck.getID() == idToCheck && entryToCheck.getValue() == (size_t)i);
- }
- for (i = 0; i < numElementsToCheck; i++)
- {
- LLUUID idToCheck = idList[i];
- if (i % 2 != 0)
- {
- hashTable.remove(idToCheck);
- }
- }
- for (i = 0; i < numElementsToCheck; i++)
- {
- LLUUID idToCheck = idList[i];
- ensure("remove or check did not work", (i % 2 == 0 && hashTable.check(idToCheck)) || (i % 2 != 0 && !hashTable.check(idToCheck)));
- }
- }
- // test removing all but one element.
- template<> template<>
- void hash_index_object_t::test<2>()
- {
- LLUUIDHashMap<UUIDTableEntry, 2> hashTable(UUIDTableEntry::uuidEq, UUIDTableEntry());
- const int numElementsToCheck = 5;
- std::vector<LLUUID> idList(numElementsToCheck*10);
- int i;
- for (i = 0; i < numElementsToCheck; i++)
- {
- LLUUID id;
- id.generate();
- UUIDTableEntry entry(id, i);
- hashTable.set(id, entry);
- idList[i] = id;
- }
- ensure("getLength failed", hashTable.getLength() == numElementsToCheck);
- // remove all but the last element
- for (i = 0; i < numElementsToCheck-1; i++)
- {
- LLUUID idToCheck = idList[i];
- hashTable.remove(idToCheck);
- }
- // there should only be one element left now.
- ensure("getLength failed", hashTable.getLength() == 1);
- for (i = 0; i < numElementsToCheck; i++)
- {
- LLUUID idToCheck = idList[i];
- if (i != numElementsToCheck - 1)
- {
- ensure("remove did not work", hashTable.check(idToCheck) == FALSE);
- }
- else
- {
- UUIDTableEntry entryToCheck = hashTable.get(idToCheck);
- ensure("remove did not work", entryToCheck.getID() == idToCheck && entryToCheck.getValue() == (size_t)i);
- }
- }
- }
- // test overriding of value already set.
- template<> template<>
- void hash_index_object_t::test<3>()
- {
- LLUUIDHashMap<UUIDTableEntry, 5> hashTable(UUIDTableEntry::uuidEq, UUIDTableEntry());
- const int numElementsToCheck = 10;
- std::vector<LLUUID> idList(numElementsToCheck);
- int i;
- for (i = 0; i < numElementsToCheck; i++)
- {
- LLUUID id;
- id.generate();
- UUIDTableEntry entry(id, i);
- hashTable.set(id, entry);
- idList[i] = id;
- }
- for (i = 0; i < numElementsToCheck; i++)
- {
- LLUUID id = idList[i];
- // set new entry with value = i+numElementsToCheck
- UUIDTableEntry entry(id, i+numElementsToCheck);
- hashTable.set(id, entry);
- }
- for (i = 0; i < numElementsToCheck; i++)
- {
- LLUUID idToCheck = idList[i];
- UUIDTableEntry entryToCheck = hashTable.get(idToCheck);
- ensure("set/get did not work", entryToCheck.getID() == idToCheck && entryToCheck.getValue() == (size_t)(i+numElementsToCheck));
- }
- }
- // test removeAll()
- template<> template<>
- void hash_index_object_t::test<4>()
- {
- LLUUIDHashMap<UUIDTableEntry, 5> hashTable(UUIDTableEntry::uuidEq, UUIDTableEntry());
- const int numElementsToCheck = 10;
- std::vector<LLUUID> idList(numElementsToCheck);
- int i;
- for (i = 0; i < numElementsToCheck; i++)
- {
- LLUUID id;
- id.generate();
- UUIDTableEntry entry(id, i);
- hashTable.set(id, entry);
- idList[i] = id;
- }
- hashTable.removeAll();
- ensure("removeAll failed", hashTable.getLength() == 0);
- }
- // test sparse map - force it by creating 256 entries that fall into 256 different nodes
- template<> template<>
- void hash_index_object_t::test<5>()
- {
- LLUUIDHashMap<UUIDTableEntry, 2> hashTable(UUIDTableEntry::uuidEq, UUIDTableEntry());
- const int numElementsToCheck = 256;
- std::vector<LLUUID> idList(numElementsToCheck);
- int i;
- for (i = 0; i < numElementsToCheck; i++)
- {
- LLUUID id;
- id.generate();
- // LLUUIDHashMap uses mData[0] to pick the bucket
- // overwrite mData[0] so that it ranges from 0 to 255
- id.mData[0] = i;
- UUIDTableEntry entry(id, i);
- hashTable.set(id, entry);
- idList[i] = id;
- }
- for (i = 0; i < numElementsToCheck; i++)
- {
- LLUUID idToCheck = idList[i];
- UUIDTableEntry entryToCheck = hashTable.get(idToCheck);
- ensure("set/get did not work for sparse map", entryToCheck.getID() == idToCheck && entryToCheck.getValue() == (size_t)i);
- }
- for (i = 0; i < numElementsToCheck; i++)
- {
- LLUUID idToCheck = idList[i];
- if (i % 2 != 0)
- {
- hashTable.remove(idToCheck);
- }
- }
- for (i = 0; i < numElementsToCheck; i++)
- {
- LLUUID idToCheck = idList[i];
- ensure("remove or check did not work for sparse map", (i % 2 == 0 && hashTable.check(idToCheck)) || (i % 2 != 0 && !hashTable.check(idToCheck)));
- }
- }
- // iterator
- template<> template<>
- void hash_index_object_t::test<6>()
- {
- LLUUIDHashMap<UUIDTableEntry, 2> hashTable(UUIDTableEntry::uuidEq, UUIDTableEntry());
- LLUUIDHashMapIter<UUIDTableEntry, 2> hashIter(&hashTable);
- const int numElementsToCheck = 256;
- std::vector<LLUUID> idList(numElementsToCheck);
- int i;
- for (i = 0; i < numElementsToCheck; i++)
- {
- LLUUID id;
- id.generate();
- // LLUUIDHashMap uses mData[0] to pick the bucket
- // overwrite mData[0] so that it ranges from 0 to 255
- // to create a sparse map
- id.mData[0] = i;
- UUIDTableEntry entry(id, i);
- hashTable.set(id, entry);
- idList[i] = id;
- }
- hashIter.first();
- int numElementsIterated = 0;
- while(!hashIter.done())
- {
- numElementsIterated++;
- UUIDTableEntry tableEntry = *hashIter;
- LLUUID id = tableEntry.getID();
- hashIter.next();
- ensure("Iteration failed for sparse map", tableEntry.getValue() < (size_t)numElementsToCheck && idList[tableEntry.getValue()] == tableEntry.getID());
- }
- ensure("iteration count failed", numElementsIterated == numElementsToCheck);
- }
- // remove after middle of iteration
- template<> template<>
- void hash_index_object_t::test<7>()
- {
- LLUUIDHashMap<UUIDTableEntry, 2> hashTable(UUIDTableEntry::uuidEq, UUIDTableEntry());
- LLUUIDHashMapIter<UUIDTableEntry, 2> hashIter(&hashTable);
- const int numElementsToCheck = 256;
- std::vector<LLUUID> idList(numElementsToCheck);
- int i;
- LLUUID uuidtoSearch;
- for (i = 0; i < numElementsToCheck; i++)
- {
- LLUUID id;
- id.generate();
- // LLUUIDHashMap uses mData[0] to pick the bucket
- // overwrite mData[0] so that it ranges from 0 to 255
- // to create a sparse map
- id.mData[0] = i;
- UUIDTableEntry entry(id, i);
- hashTable.set(id, entry);
- idList[i] = id;
- // pick uuid somewhere in the middle
- if (i == 5)
- {
- uuidtoSearch = id;
- }
- }
- hashIter.first();
- int numElementsIterated = 0;
- while(!hashIter.done())
- {
- numElementsIterated++;
- UUIDTableEntry tableEntry = *hashIter;
- LLUUID id = tableEntry.getID();
- if (uuidtoSearch == id)
- {
- break;
- }
- hashIter.next();
- }
- // current iterator implementation will not allow any remove operations
- // until ALL elements have been iterated over. this seems to be
- // an unnecessary restriction. Iterator should have a method to
- // reset() its state so that further operations (inckuding remove)
- // can be performed on the HashMap without having to iterate thru
- // all the remaining nodes.
- // hashIter.reset();
- // hashTable.remove(uuidtoSearch);
- // ensure("remove after iteration reset failed", hashTable.check(uuidtoSearch) == FALSE);
- }
- }