Index: net/base/expiring_cache_unittest.cc |
diff --git a/net/base/expiring_cache_unittest.cc b/net/base/expiring_cache_unittest.cc |
deleted file mode 100644 |
index 74b069dd8d826da1ef7f22e2161ac52e45c8e988..0000000000000000000000000000000000000000 |
--- a/net/base/expiring_cache_unittest.cc |
+++ /dev/null |
@@ -1,311 +0,0 @@ |
-// Copyright (c) 2012 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#include "net/base/expiring_cache.h" |
- |
-#include <functional> |
-#include <string> |
- |
-#include "base/stl_util.h" |
-#include "base/strings/stringprintf.h" |
-#include "base/time/time.h" |
-#include "testing/gmock/include/gmock/gmock.h" |
-#include "testing/gtest/include/gtest/gtest.h" |
- |
-using testing::Pointee; |
-using testing::StrEq; |
- |
-namespace net { |
- |
-namespace { |
- |
-const int kMaxCacheEntries = 10; |
-typedef ExpiringCache<std::string, std::string, base::TimeTicks, |
- std::less<base::TimeTicks> > Cache; |
- |
-struct TestFunctor { |
- bool operator()(const std::string& now, |
- const std::string& expiration) const { |
- return now != expiration; |
- } |
-}; |
- |
-} // namespace |
- |
-TEST(ExpiringCacheTest, Basic) { |
- const base::TimeDelta kTTL = base::TimeDelta::FromSeconds(10); |
- |
- Cache cache(kMaxCacheEntries); |
- |
- // Start at t=0. |
- base::TimeTicks now; |
- EXPECT_EQ(0U, cache.size()); |
- |
- // Add an entry at t=0 |
- EXPECT_FALSE(cache.Get("entry1", now)); |
- cache.Put("entry1", "test1", now, now + kTTL); |
- EXPECT_THAT(cache.Get("entry1", now), Pointee(StrEq("test1"))); |
- EXPECT_EQ(1U, cache.size()); |
- |
- // Advance to t=5. |
- now += base::TimeDelta::FromSeconds(5); |
- |
- // Add an entry at t=5. |
- EXPECT_FALSE(cache.Get("entry2", now)); |
- cache.Put("entry2", "test2", now, now + kTTL); |
- EXPECT_THAT(cache.Get("entry2", now), Pointee(StrEq("test2"))); |
- EXPECT_EQ(2U, cache.size()); |
- |
- // Advance to t=9. |
- now += base::TimeDelta::FromSeconds(4); |
- |
- // Verify that the entries added are still retrievable and usable. |
- EXPECT_THAT(cache.Get("entry1", now), Pointee(StrEq("test1"))); |
- EXPECT_THAT(cache.Get("entry2", now), Pointee(StrEq("test2"))); |
- |
- // Advance to t=10; entry1 is now expired. |
- now += base::TimeDelta::FromSeconds(1); |
- |
- EXPECT_FALSE(cache.Get("entry1", now)); |
- EXPECT_THAT(cache.Get("entry2", now), Pointee(StrEq("test2"))); |
- |
- // The expired element should no longer be in the cache. |
- EXPECT_EQ(1U, cache.size()); |
- |
- // Update entry1 so it is no longer expired. |
- cache.Put("entry1", "test1", now, now + kTTL); |
- |
- // Both entries should be retrievable and usable. |
- EXPECT_EQ(2U, cache.size()); |
- EXPECT_THAT(cache.Get("entry1", now), Pointee(StrEq("test1"))); |
- EXPECT_THAT(cache.Get("entry2", now), Pointee(StrEq("test2"))); |
- |
- // Advance to t=20; both entries are now expired. |
- now += base::TimeDelta::FromSeconds(10); |
- |
- EXPECT_FALSE(cache.Get("entry1", now)); |
- EXPECT_FALSE(cache.Get("entry2", now)); |
-} |
- |
-TEST(ExpiringCacheTest, Compact) { |
- const base::TimeDelta kTTL = base::TimeDelta::FromSeconds(10); |
- |
- Cache cache(kMaxCacheEntries); |
- |
- // Start at t=0. |
- base::TimeTicks now; |
- EXPECT_EQ(0U, cache.size()); |
- |
- // Add five valid entries at t=10 that expire at t=20. |
- base::TimeTicks t10 = now + kTTL; |
- for (int i = 0; i < 5; ++i) { |
- std::string name = base::StringPrintf("valid%d", i); |
- cache.Put(name, "I'm valid!", t10, t10 + kTTL); |
- } |
- EXPECT_EQ(5U, cache.size()); |
- |
- // Add three entries at t=0 that expire at t=10. |
- for (int i = 0; i < 3; ++i) { |
- std::string name = base::StringPrintf("expired%d", i); |
- cache.Put(name, "I'm expired.", now, t10); |
- } |
- EXPECT_EQ(8U, cache.size()); |
- |
- // Add two negative (instantly expired) entries at t=0 that expire at t=0. |
- for (int i = 0; i < 2; ++i) { |
- std::string name = base::StringPrintf("negative%d", i); |
- cache.Put(name, "I was never valid.", now, now); |
- } |
- EXPECT_EQ(10U, cache.size()); |
- |
- EXPECT_TRUE(ContainsKey(cache.entries_, "valid0")); |
- EXPECT_TRUE(ContainsKey(cache.entries_, "valid1")); |
- EXPECT_TRUE(ContainsKey(cache.entries_, "valid2")); |
- EXPECT_TRUE(ContainsKey(cache.entries_, "valid3")); |
- EXPECT_TRUE(ContainsKey(cache.entries_, "valid4")); |
- EXPECT_TRUE(ContainsKey(cache.entries_, "expired0")); |
- EXPECT_TRUE(ContainsKey(cache.entries_, "expired1")); |
- EXPECT_TRUE(ContainsKey(cache.entries_, "expired2")); |
- EXPECT_TRUE(ContainsKey(cache.entries_, "negative0")); |
- EXPECT_TRUE(ContainsKey(cache.entries_, "negative1")); |
- |
- // Shrink the new max constraints bound and compact. The "negative" and |
- // "expired" entries should be dropped. |
- cache.max_entries_ = 6; |
- cache.Compact(now); |
- EXPECT_EQ(5U, cache.size()); |
- |
- EXPECT_TRUE(ContainsKey(cache.entries_, "valid0")); |
- EXPECT_TRUE(ContainsKey(cache.entries_, "valid1")); |
- EXPECT_TRUE(ContainsKey(cache.entries_, "valid2")); |
- EXPECT_TRUE(ContainsKey(cache.entries_, "valid3")); |
- EXPECT_TRUE(ContainsKey(cache.entries_, "valid4")); |
- EXPECT_FALSE(ContainsKey(cache.entries_, "expired0")); |
- EXPECT_FALSE(ContainsKey(cache.entries_, "expired1")); |
- EXPECT_FALSE(ContainsKey(cache.entries_, "expired2")); |
- EXPECT_FALSE(ContainsKey(cache.entries_, "negative0")); |
- EXPECT_FALSE(ContainsKey(cache.entries_, "negative1")); |
- |
- // Shrink further -- this time the compact will start dropping valid entries |
- // to make space. |
- cache.max_entries_ = 4; |
- cache.Compact(now); |
- EXPECT_EQ(3U, cache.size()); |
-} |
- |
-// Add entries while the cache is at capacity, causing evictions. |
-TEST(ExpiringCacheTest, SetWithCompact) { |
- const base::TimeDelta kTTL = base::TimeDelta::FromSeconds(10); |
- |
- Cache cache(3); |
- |
- // t=10 |
- base::TimeTicks now = base::TimeTicks() + kTTL; |
- |
- cache.Put("test1", "test1", now, now + kTTL); |
- cache.Put("test2", "test2", now, now + kTTL); |
- cache.Put("expired", "expired", now, now); |
- |
- EXPECT_EQ(3U, cache.size()); |
- |
- // Should all be retrievable except "expired". |
- EXPECT_THAT(cache.Get("test1", now), Pointee(StrEq("test1"))); |
- EXPECT_THAT(cache.Get("test2", now), Pointee(StrEq("test2"))); |
- EXPECT_FALSE(cache.Get("expired", now)); |
- |
- // Adding the fourth entry will cause "expired" to be evicted. |
- cache.Put("test3", "test3", now, now + kTTL); |
- EXPECT_EQ(3U, cache.size()); |
- |
- EXPECT_FALSE(cache.Get("expired", now)); |
- EXPECT_THAT(cache.Get("test1", now), Pointee(StrEq("test1"))); |
- EXPECT_THAT(cache.Get("test2", now), Pointee(StrEq("test2"))); |
- EXPECT_THAT(cache.Get("test3", now), Pointee(StrEq("test3"))); |
- |
- // Add two more entries. Something should be evicted, however "test5" |
- // should definitely be in there (since it was last inserted). |
- cache.Put("test4", "test4", now, now + kTTL); |
- EXPECT_EQ(3U, cache.size()); |
- cache.Put("test5", "test5", now, now + kTTL); |
- EXPECT_EQ(3U, cache.size()); |
- EXPECT_THAT(cache.Get("test5", now), Pointee(StrEq("test5"))); |
-} |
- |
-TEST(ExpiringCacheTest, Clear) { |
- const base::TimeDelta kTTL = base::TimeDelta::FromSeconds(10); |
- |
- Cache cache(kMaxCacheEntries); |
- |
- // Start at t=0. |
- base::TimeTicks now; |
- EXPECT_EQ(0U, cache.size()); |
- |
- // Add three entries. |
- cache.Put("test1", "foo", now, now + kTTL); |
- cache.Put("test2", "foo", now, now + kTTL); |
- cache.Put("test3", "foo", now, now + kTTL); |
- EXPECT_EQ(3U, cache.size()); |
- |
- cache.Clear(); |
- |
- EXPECT_EQ(0U, cache.size()); |
-} |
- |
-TEST(ExpiringCacheTest, GetTruncatesExpiredEntries) { |
- const base::TimeDelta kTTL = base::TimeDelta::FromSeconds(10); |
- |
- Cache cache(kMaxCacheEntries); |
- |
- // Start at t=0. |
- base::TimeTicks now; |
- EXPECT_EQ(0U, cache.size()); |
- |
- // Add three entries at t=0. |
- cache.Put("test1", "foo1", now, now + kTTL); |
- cache.Put("test2", "foo2", now, now + kTTL); |
- cache.Put("test3", "foo3", now, now + kTTL); |
- EXPECT_EQ(3U, cache.size()); |
- |
- // Ensure the entries were added. |
- EXPECT_THAT(cache.Get("test1", now), Pointee(StrEq("foo1"))); |
- EXPECT_THAT(cache.Get("test2", now), Pointee(StrEq("foo2"))); |
- EXPECT_THAT(cache.Get("test3", now), Pointee(StrEq("foo3"))); |
- |
- // Add five entries at t=10. |
- now += kTTL; |
- for (int i = 0; i < 5; ++i) { |
- std::string name = base::StringPrintf("valid%d", i); |
- cache.Put(name, name, now, now + kTTL); // Expire at t=20. |
- } |
- EXPECT_EQ(8U, cache.size()); |
- |
- // Now access two expired entries and ensure the cache size goes down. |
- EXPECT_FALSE(cache.Get("test1", now)); |
- EXPECT_FALSE(cache.Get("test2", now)); |
- EXPECT_EQ(6U, cache.size()); |
- |
- // Accessing non-expired entries should return entries and not adjust the |
- // cache size. |
- for (int i = 0; i < 5; ++i) { |
- std::string name = base::StringPrintf("valid%d", i); |
- EXPECT_THAT(cache.Get(name, now), Pointee(StrEq(name))); |
- } |
- EXPECT_EQ(6U, cache.size()); |
-} |
- |
-TEST(ExpiringCacheTest, CustomFunctor) { |
- ExpiringCache<std::string, std::string, std::string, TestFunctor> cache(5); |
- |
- const std::string kNow("Now"); |
- const std::string kLater("A little bit later"); |
- const std::string kMuchLater("Much later"); |
- const std::string kHeatDeath("The heat death of the universe"); |
- |
- EXPECT_EQ(0u, cache.size()); |
- |
- // Add three entries at t=kNow that expire at kLater. |
- cache.Put("test1", "foo1", kNow, kLater); |
- cache.Put("test2", "foo2", kNow, kLater); |
- cache.Put("test3", "foo3", kNow, kLater); |
- EXPECT_EQ(3U, cache.size()); |
- |
- // Add two entries at t=kNow that expire at kMuchLater |
- cache.Put("test4", "foo4", kNow, kMuchLater); |
- cache.Put("test5", "foo5", kNow, kMuchLater); |
- EXPECT_EQ(5U, cache.size()); |
- |
- // Ensure the entries were added. |
- EXPECT_THAT(cache.Get("test1", kNow), Pointee(StrEq("foo1"))); |
- EXPECT_THAT(cache.Get("test2", kNow), Pointee(StrEq("foo2"))); |
- EXPECT_THAT(cache.Get("test3", kNow), Pointee(StrEq("foo3"))); |
- EXPECT_THAT(cache.Get("test4", kNow), Pointee(StrEq("foo4"))); |
- EXPECT_THAT(cache.Get("test5", kNow), Pointee(StrEq("foo5"))); |
- |
- // Add one entry at t=kLater that expires at kHeatDeath, which will expire |
- // one of test1-3. |
- cache.Put("test6", "foo6", kLater, kHeatDeath); |
- EXPECT_THAT(cache.Get("test6", kLater), Pointee(StrEq("foo6"))); |
- EXPECT_EQ(3U, cache.size()); |
- |
- // Now compact at kMuchLater, which should remove all but "test6". |
- cache.max_entries_ = 2; |
- cache.Compact(kMuchLater); |
- |
- EXPECT_EQ(1U, cache.size()); |
- EXPECT_THAT(cache.Get("test6", kMuchLater), Pointee(StrEq("foo6"))); |
- |
- // Finally, "test6" should not be valid at the end of the universe. |
- EXPECT_FALSE(cache.Get("test6", kHeatDeath)); |
- |
- // Because comparison is based on equality, not strict weak ordering, we |
- // should be able to add something at kHeatDeath that expires at kMuchLater. |
- cache.Put("test7", "foo7", kHeatDeath, kMuchLater); |
- EXPECT_EQ(1U, cache.size()); |
- EXPECT_THAT(cache.Get("test7", kNow), Pointee(StrEq("foo7"))); |
- EXPECT_THAT(cache.Get("test7", kLater), Pointee(StrEq("foo7"))); |
- EXPECT_THAT(cache.Get("test7", kHeatDeath), Pointee(StrEq("foo7"))); |
- EXPECT_FALSE(cache.Get("test7", kMuchLater)); |
-} |
- |
-} // namespace net |