Mercurial > hg > orthanc
annotate UnitTests/MemoryCache.cpp @ 285:4031f73fe0e4
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 12 Dec 2012 17:53:14 +0100 |
| parents | 06aa7b7b6723 |
| children | f59e4518fd57 |
| rev | line source |
|---|---|
| 282 | 1 #include "gtest/gtest.h" |
| 2 | |
| 283 | 3 #include <glog/logging.h> |
| 282 | 4 #include <memory> |
| 283 | 5 #include <boost/thread.hpp> |
| 6 #include <boost/lexical_cast.hpp> | |
| 282 | 7 #include "../Core/IDynamicObject.h" |
|
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implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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8 #include "../Core/Cache/MemoryCache.h" |
| 282 | 9 |
| 10 | |
| 11 TEST(CacheIndex, Basic) | |
| 12 { | |
| 13 Orthanc::CacheIndex<std::string> r; | |
| 14 | |
| 15 r.Add("d"); | |
| 16 r.Add("a"); | |
| 17 r.Add("c"); | |
| 18 r.Add("b"); | |
| 19 | |
| 20 r.TagAsMostRecent("a"); | |
| 21 r.TagAsMostRecent("d"); | |
| 22 r.TagAsMostRecent("b"); | |
| 23 r.TagAsMostRecent("c"); | |
| 24 r.TagAsMostRecent("d"); | |
| 25 r.TagAsMostRecent("c"); | |
| 26 | |
| 27 ASSERT_EQ("a", r.RemoveOldest()); | |
| 28 ASSERT_EQ("b", r.RemoveOldest()); | |
| 29 ASSERT_EQ("d", r.RemoveOldest()); | |
| 30 ASSERT_EQ("c", r.RemoveOldest()); | |
| 31 | |
| 32 ASSERT_TRUE(r.IsEmpty()); | |
| 33 } | |
| 34 | |
| 35 | |
| 36 TEST(CacheIndex, Payload) | |
| 37 { | |
| 38 Orthanc::CacheIndex<std::string, int> r; | |
| 39 | |
| 40 r.Add("a", 420); | |
| 41 r.Add("b", 421); | |
| 42 r.Add("c", 422); | |
| 43 r.Add("d", 423); | |
| 44 | |
| 45 r.TagAsMostRecent("a"); | |
| 46 r.TagAsMostRecent("d"); | |
| 47 r.TagAsMostRecent("b"); | |
| 48 r.TagAsMostRecent("c"); | |
| 49 r.TagAsMostRecent("d"); | |
| 50 r.TagAsMostRecent("c"); | |
| 51 | |
| 52 ASSERT_TRUE(r.Contains("b")); | |
| 53 ASSERT_EQ(421, r.Invalidate("b")); | |
| 54 ASSERT_FALSE(r.Contains("b")); | |
| 55 | |
| 56 int p; | |
| 283 | 57 ASSERT_TRUE(r.Contains("a", p)); ASSERT_EQ(420, p); |
| 58 ASSERT_TRUE(r.Contains("c", p)); ASSERT_EQ(422, p); | |
| 59 ASSERT_TRUE(r.Contains("d", p)); ASSERT_EQ(423, p); | |
| 60 | |
| 282 | 61 ASSERT_EQ("a", r.RemoveOldest(p)); ASSERT_EQ(420, p); |
| 62 ASSERT_EQ("d", r.RemoveOldest(p)); ASSERT_EQ(423, p); | |
| 63 ASSERT_EQ("c", r.RemoveOldest(p)); ASSERT_EQ(422, p); | |
| 64 | |
| 65 ASSERT_TRUE(r.IsEmpty()); | |
| 66 } | |
| 67 | |
| 68 | |
| 283 | 69 |
| 70 | |
| 71 namespace | |
| 72 { | |
| 73 class Integer : public Orthanc::IDynamicObject | |
| 74 { | |
| 75 private: | |
| 76 std::string& log_; | |
| 77 int value_; | |
| 282 | 78 |
| 79 public: | |
| 283 | 80 Integer(std::string& log, int v) : log_(log), value_(v) |
| 81 { | |
| 82 } | |
| 83 | |
| 84 virtual ~Integer() | |
| 85 { | |
| 86 LOG(INFO) << "Removing cache entry for " << value_; | |
| 87 log_ += boost::lexical_cast<std::string>(value_) + " "; | |
| 88 } | |
| 89 | |
| 90 int GetValue() const | |
| 91 { | |
| 92 return value_; | |
| 93 } | |
| 94 }; | |
| 95 | |
|
284
06aa7b7b6723
implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
283
diff
changeset
|
96 class IntegerProvider : public Orthanc::ICachePageProvider |
| 283 | 97 { |
| 98 public: | |
| 99 std::string log_; | |
| 100 | |
| 101 Orthanc::IDynamicObject* Provide(const std::string& s) | |
| 102 { | |
| 103 LOG(INFO) << "Providing " << s; | |
| 104 return new Integer(log_, boost::lexical_cast<int>(s)); | |
| 105 } | |
| 282 | 106 }; |
| 107 } | |
| 283 | 108 |
| 109 | |
| 110 TEST(MemoryCache, Basic) | |
| 111 { | |
| 112 IntegerProvider provider; | |
| 113 | |
| 114 { | |
| 115 Orthanc::MemoryCache cache(provider, 3); | |
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4031f73fe0e4
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
284
diff
changeset
|
116 cache.Access("42"); // 42 -> exit |
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4031f73fe0e4
access to the raw dicom tags
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
284
diff
changeset
|
117 cache.Access("43"); // 43, 42 -> exit |
|
4031f73fe0e4
access to the raw dicom tags
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
284
diff
changeset
|
118 cache.Access("45"); // 45, 43, 42 -> exit |
|
4031f73fe0e4
access to the raw dicom tags
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
284
diff
changeset
|
119 cache.Access("42"); // 42, 45, 43 -> exit |
|
4031f73fe0e4
access to the raw dicom tags
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
284
diff
changeset
|
120 cache.Access("43"); // 43, 42, 45 -> exit |
|
4031f73fe0e4
access to the raw dicom tags
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
284
diff
changeset
|
121 cache.Access("47"); // 45 is removed; 47, 43, 42 -> exit |
|
4031f73fe0e4
access to the raw dicom tags
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
284
diff
changeset
|
122 cache.Access("44"); // 42 is removed; 44, 47, 43 -> exit |
|
4031f73fe0e4
access to the raw dicom tags
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
284
diff
changeset
|
123 cache.Access("42"); // 43 is removed; 42, 44, 47 -> exit |
| 283 | 124 // Closing the cache: 47, 44, 42 are successively removed |
| 125 } | |
| 126 | |
| 127 ASSERT_EQ("45 42 43 47 44 42 ", provider.log_); | |
| 128 } |