From ae028e79872f166db8e514ca3b442c7807d6ebdb Mon Sep 17 00:00:00 2001 From: Richard Linden Date: Thu, 11 Apr 2013 19:08:57 -0700 Subject: removed unused data structures --- indra/test/lluuidhashmap_tut.cpp | 455 --------------------------------------- 1 file changed, 455 deletions(-) delete mode 100644 indra/test/lluuidhashmap_tut.cpp (limited to 'indra/test/lluuidhashmap_tut.cpp') diff --git a/indra/test/lluuidhashmap_tut.cpp b/indra/test/lluuidhashmap_tut.cpp deleted file mode 100644 index 9712a613f4..0000000000 --- a/indra/test/lluuidhashmap_tut.cpp +++ /dev/null @@ -1,455 +0,0 @@ -/** - * @file lluuidhashmap_tut.cpp - * @author Adroit - * @date 2007-02 - * @brief Test cases for LLUUIDHashMap - * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#include -#include "linden_common.h" -#include "lluuidhashmap.h" -#include "llsdserialize.h" -#include "lldir.h" -#include "stringize.h" -#include -#include - -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 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>() - { - set_test_name("stress test"); - // As of 2012-10-10, I (nat) have observed sporadic failures of this - // test: "set/get did not work." The trouble is that since test data - // are randomly generated with every run, it is impossible to debug a - // test failure. One is left with the uneasy suspicion that - // LLUUID::generate() can sometimes produce duplicates even within the - // moderately small number requested here. Since rerunning the test - // generally allows it to pass, it's too easy to shrug and forget it. - // The following code is intended to support reproducing such test - // failures. The idea is that, on test failure, we save the generated - // data to a canonical filename in a temp directory. Then on every - // subsequent run, we check for that filename. If it exists, we reload - // that specific data rather than generating fresh data -- which - // should presumably reproduce the same test failure. But we inform - // the user that to resume normal (random) test runs, s/he need only - // delete that file. And since it's in a temp directory, sooner or - // later the system will clean it up anyway. - const char* tempvar = "TEMP"; - const char* tempdir = getenv(tempvar); // Windows convention - if (! tempdir) - { - tempvar = "TMPDIR"; - tempdir = getenv(tempvar); // Mac convention - } - if (! tempdir) - { - // reset tempvar to the first var we check; it's just a - // recommendation - tempvar = "TEMP"; - tempdir = "/tmp"; // Posix in general - } - std::string savefile(gDirUtilp->add(tempdir, "lluuidhashmap_tut.save.txt")); - const int numElementsToCheck = 32*256*32; - std::vector idList; - if ((! getenv("TEAMCITY_PROJECT_NAME")) && gDirUtilp->fileExists(savefile)) - { - // This is not a TeamCity build, and we have saved data from a - // previous failed run. Reload that data. - std::ifstream inf(savefile.c_str()); - if (! inf.is_open()) - { - fail(STRINGIZE("Although save file '" << savefile << "' exists, it cannot be opened")); - } - std::string item; - while (std::getline(inf, item)) - { - idList.push_back(LLUUID(item)); - } - std::cout << "Reloaded " << idList.size() << " items from '" << savefile << "'"; - if (idList.size() != numElementsToCheck) - { - std::cout << " (expected " << numElementsToCheck << ")"; - } - std::cout << " -- delete this file to generate new data" << std::endl; - } - else - { - // This is a TeamCity build, or (normal case) savefile does not - // exist: regenerate idList from scratch. - for (int i = 0; i < numElementsToCheck; ++i) - { - LLUUID id; - id.generate(); - idList.push_back(id); - } - } - - LLUUIDHashMap hashTable(UUIDTableEntry::uuidEq, UUIDTableEntry()); - int i; - - for (i = 0; i < idList.size(); ++i) - { - UUIDTableEntry entry(idList[i], i); - hashTable.set(idList[i], entry); - } - - try - { - for (i = 0; i < idList.size(); i++) - { - LLUUID idToCheck = idList[i]; - UUIDTableEntry entryToCheck = hashTable.get(idToCheck); - ensure_equals(STRINGIZE("set/get ID (entry " << i << ")").c_str(), - entryToCheck.getID(), idToCheck); - ensure_equals(STRINGIZE("set/get value (ID " << idToCheck << ")").c_str(), - entryToCheck.getValue(), (size_t)i); - } - - for (i = 0; i < idList.size(); i++) - { - LLUUID idToCheck = idList[i]; - if (i % 2 != 0) - { - hashTable.remove(idToCheck); - } - } - - for (i = 0; i < idList.size(); i++) - { - LLUUID idToCheck = idList[i]; - ensure("remove or check did not work", (i % 2 == 0 && hashTable.check(idToCheck)) || (i % 2 != 0 && !hashTable.check(idToCheck))); - } - } - catch (const failure&) - { - // One of the above tests failed. Try to save idList to repro with - // a later run. - std::ofstream outf(savefile.c_str()); - if (! outf.is_open()) - { - // Sigh, don't use fail() here because we want to preserve - // the original test failure. - std::cout << "Cannot open file '" << savefile - << "' to save data -- check and fix " << tempvar << std::endl; - } - else - { - // outf.is_open() - for (int i = 0; i < idList.size(); ++i) - { - outf << idList[i] << std::endl; - } - std::cout << "Saved " << idList.size() << " entries to '" << savefile - << "' -- rerun test to debug with these" << std::endl; - } - // re-raise the same exception -- we WANT this test failure to - // be reported! We just needed to save the data on the way out. - throw; - } - } - - // test removing all but one element. - template<> template<> - void hash_index_object_t::test<2>() - { - LLUUIDHashMap hashTable(UUIDTableEntry::uuidEq, UUIDTableEntry()); - const int numElementsToCheck = 5; - std::vector 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 hashTable(UUIDTableEntry::uuidEq, UUIDTableEntry()); - const int numElementsToCheck = 10; - std::vector 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 hashTable(UUIDTableEntry::uuidEq, UUIDTableEntry()); - const int numElementsToCheck = 10; - std::vector 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 hashTable(UUIDTableEntry::uuidEq, UUIDTableEntry()); - const int numElementsToCheck = 256; - std::vector 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 hashTable(UUIDTableEntry::uuidEq, UUIDTableEntry()); - LLUUIDHashMapIter hashIter(&hashTable); - const int numElementsToCheck = 256; - std::vector 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 hashTable(UUIDTableEntry::uuidEq, UUIDTableEntry()); - LLUUIDHashMapIter hashIter(&hashTable); - const int numElementsToCheck = 256; - std::vector 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); - } -} -- cgit v1.2.3