Mercurial > hg > orthanc
view UnitTestsSources/MemoryCache.cpp @ 800:ecedd89055db
generation of DICOM images from PNG files
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 06 May 2014 16:33:40 +0200 |
parents | 17815b9d4280 |
children | 3d6f9b7d0add |
line wrap: on
line source
#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_); }