Mercurial > hg > orthanc
view UnitTestsSources/MemoryCacheTests.cpp @ 1131:ac6bd50a8c83
fix issue #16
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 08 Sep 2014 17:34:33 +0200 |
parents | dfc076546821 |
children | 6e7e5ed91c2d |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, * Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * In addition, as a special exception, the copyright holders of this * program give permission to link the code of its release with the * OpenSSL project's "OpenSSL" library (or with modified versions of it * that use the same license as the "OpenSSL" library), and distribute * the linked executables. You must obey the GNU General Public License * in all respects for all of the code used other than "OpenSSL". If you * modify file(s) with this exception, you may extend this exception to * your version of the file(s), but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source files * in the program, then also delete it here. * * This program 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "PrecompiledHeadersUnitTests.h" #include "gtest/gtest.h" #include <glog/logging.h> #include <memory> #include <boost/thread.hpp> #include <boost/lexical_cast.hpp> #include "../Core/IDynamicObject.h" #include "../Core/Cache/MemoryCache.h" TEST(LRU, Basic) { Orthanc::LeastRecentlyUsedIndex<std::string> r; r.Add("d"); r.Add("a"); r.Add("c"); r.Add("b"); r.MakeMostRecent("a"); r.MakeMostRecent("d"); r.MakeMostRecent("b"); r.MakeMostRecent("c"); r.MakeMostRecent("d"); r.MakeMostRecent("c"); ASSERT_EQ("a", r.GetOldest()); ASSERT_EQ("a", r.RemoveOldest()); ASSERT_EQ("b", r.GetOldest()); ASSERT_EQ("b", r.RemoveOldest()); ASSERT_EQ("d", r.GetOldest()); ASSERT_EQ("d", r.RemoveOldest()); ASSERT_EQ("c", r.GetOldest()); ASSERT_EQ("c", r.RemoveOldest()); ASSERT_TRUE(r.IsEmpty()); ASSERT_THROW(r.GetOldest(), Orthanc::OrthancException); ASSERT_THROW(r.RemoveOldest(), Orthanc::OrthancException); } TEST(LRU, Payload) { Orthanc::LeastRecentlyUsedIndex<std::string, int> r; r.Add("a", 420); r.Add("b", 421); r.Add("c", 422); r.Add("d", 423); r.MakeMostRecent("a"); r.MakeMostRecent("d"); r.MakeMostRecent("b"); r.MakeMostRecent("c"); r.MakeMostRecent("d"); r.MakeMostRecent("c"); ASSERT_TRUE(r.Contains("b")); ASSERT_EQ(421, r.Invalidate("b")); ASSERT_FALSE(r.Contains("b")); int p; ASSERT_TRUE(r.Contains("a", p)); ASSERT_EQ(420, p); ASSERT_TRUE(r.Contains("c", p)); ASSERT_EQ(422, p); ASSERT_TRUE(r.Contains("d", p)); ASSERT_EQ(423, p); ASSERT_EQ("a", r.GetOldest()); ASSERT_EQ(420, r.GetOldestPayload()); ASSERT_EQ("a", r.RemoveOldest(p)); ASSERT_EQ(420, p); ASSERT_EQ("d", r.GetOldest()); ASSERT_EQ(423, r.GetOldestPayload()); ASSERT_EQ("d", r.RemoveOldest(p)); ASSERT_EQ(423, p); ASSERT_EQ("c", r.GetOldest()); ASSERT_EQ(422, r.GetOldestPayload()); ASSERT_EQ("c", r.RemoveOldest(p)); ASSERT_EQ(422, p); ASSERT_TRUE(r.IsEmpty()); } TEST(LRU, PayloadUpdate) { Orthanc::LeastRecentlyUsedIndex<std::string, int> r; r.Add("a", 420); r.Add("b", 421); r.Add("d", 423); r.MakeMostRecent("a", 424); r.MakeMostRecent("d", 421); ASSERT_EQ("b", r.GetOldest()); ASSERT_EQ(421, r.GetOldestPayload()); r.RemoveOldest(); ASSERT_EQ("a", r.GetOldest()); ASSERT_EQ(424, r.GetOldestPayload()); r.RemoveOldest(); ASSERT_EQ("d", r.GetOldest()); ASSERT_EQ(421, r.GetOldestPayload()); r.RemoveOldest(); ASSERT_TRUE(r.IsEmpty()); } TEST(LRU, PayloadUpdateBis) { Orthanc::LeastRecentlyUsedIndex<std::string, int> r; r.AddOrMakeMostRecent("a", 420); r.AddOrMakeMostRecent("b", 421); r.AddOrMakeMostRecent("d", 423); r.AddOrMakeMostRecent("a", 424); r.AddOrMakeMostRecent("d", 421); ASSERT_EQ("b", r.GetOldest()); ASSERT_EQ(421, r.GetOldestPayload()); r.RemoveOldest(); ASSERT_EQ("a", r.GetOldest()); ASSERT_EQ(424, r.GetOldestPayload()); r.RemoveOldest(); ASSERT_EQ("d", r.GetOldest()); ASSERT_EQ(421, r.GetOldestPayload()); r.RemoveOldest(); ASSERT_TRUE(r.IsEmpty()); } namespace { class Integer : public Orthanc::IDynamicObject { private: std::string& log_; int value_; public: Integer(std::string& log, int v) : log_(log), value_(v) { } virtual ~Integer() { LOG(INFO) << "Removing cache entry for " << value_; log_ += boost::lexical_cast<std::string>(value_) + " "; } int GetValue() const { return value_; } }; class IntegerProvider : public Orthanc::ICachePageProvider { public: std::string log_; Orthanc::IDynamicObject* Provide(const std::string& s) { LOG(INFO) << "Providing " << s; return new Integer(log_, boost::lexical_cast<int>(s)); } }; } TEST(MemoryCache, Basic) { IntegerProvider provider; { Orthanc::MemoryCache cache(provider, 3); cache.Access("42"); // 42 -> exit cache.Access("43"); // 43, 42 -> exit cache.Access("45"); // 45, 43, 42 -> exit cache.Access("42"); // 42, 45, 43 -> exit cache.Access("43"); // 43, 42, 45 -> exit cache.Access("47"); // 45 is removed; 47, 43, 42 -> exit cache.Access("44"); // 42 is removed; 44, 47, 43 -> exit cache.Access("42"); // 43 is removed; 42, 44, 47 -> exit // Closing the cache: 47, 44, 42 are successively removed } ASSERT_EQ("45 42 43 47 44 42 ", provider.log_); }