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CLang: Improve locking in StringCache

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If there is no mutex we can skip some calls.

Change-Id: I3f2cc2d8da142bab28ace496a59711346aa1b5a0
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
This commit is contained in:
Marco Bubke
2019-08-15 14:26:35 +02:00
parent be7927b359
commit e0ca44e7bc
3 changed files with 334 additions and 229 deletions
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43
src/libs/clangsupport/stringcache.h
View File

@@ -25,9 +25,9 @@
#pragma once
#include "filepathstoragesources.h"
#include "set_algorithm.h"
#include "stringcachealgorithms.h"
#include "stringcacheentry.h"
#include "stringcachefwd.h"
#include <utils/algorithm.h>
@@ -105,7 +105,11 @@ class StringCache
template<typename T, typename V, typename I, typename M, typename C, C c, typename CE>
friend class StringCache;
using StringResultType = std::
conditional_t<std::is_base_of<NonLockingMutex, Mutex>::value, StringViewType, StringType>;
public:
using MutexType = Mutex;
using CacheEntries = std::vector<CacheEntry>;
using const_iterator = typename CacheEntries::const_iterator;
using Found = ClangBackEnd::Found<const_iterator>;
@@ -238,6 +242,7 @@ public:
sharedLock.unlock();
std::lock_guard<Mutex> exclusiveLock(m_mutex);
if (!std::is_base_of<NonLockingMutex, Mutex>::value)
found = find(stringView);
if (!found.wasFound) {
IndexType index = insertString(found.iterator, stringView, IndexType(m_indices.size()));
@@ -261,12 +266,33 @@ public:
return ids;
}
template<typename Container, typename Function>
std::vector<IndexType> stringIds(const Container &strings, Function storageFunction)
{
std::vector<IndexType> ids;
ids.reserve(strings.size());
std::transform(strings.begin(),
strings.end(),
std::back_inserter(ids),
[&](const auto &string) { return this->stringId(string, storageFunction); });
return ids;
}
std::vector<IndexType> stringIds(std::initializer_list<StringType> strings)
{
return stringIds<std::initializer_list<StringType>>(strings);
}
StringType string(IndexType id) const
template<typename Function>
std::vector<IndexType> stringIds(std::initializer_list<StringType> strings,
Function storageFunction)
{
return stringIds<std::initializer_list<StringType>>(strings, storageFunction);
}
StringResultType string(IndexType id) const
{
std::shared_lock<Mutex> sharedLock(m_mutex);
@@ -274,7 +300,7 @@ public:
}
template<typename Function>
StringType string(IndexType id, Function storageFunction)
StringResultType string(IndexType id, Function storageFunction)
{
std::shared_lock<Mutex> sharedLock(m_mutex);
@@ -292,17 +318,15 @@ public:
return m_strings[index].string;
}
std::vector<StringType> strings(const std::vector<IndexType> &ids) const
std::vector<StringResultType> strings(const std::vector<IndexType> &ids) const
{
std::shared_lock<Mutex> sharedLock(m_mutex);
std::vector<StringType> strings;
std::vector<StringResultType> strings;
strings.reserve(ids.size());
std::transform(ids.begin(),
ids.end(),
std::back_inserter(strings),
[&] (IndexType id) { return m_strings.at(m_indices.at(id)).string; });
for (IndexType id : ids)
strings.emplace_back(m_strings.at(m_indices.at(id)).string);
return strings;
}
@@ -325,6 +349,7 @@ public:
sharedLock.unlock();
std::lock_guard<Mutex> exclusiveLock(m_mutex);
if (!std::is_base_of<NonLockingMutex, Mutex>::value)
found = find(stringView);
if (!found.wasFound) {
IndexType index = insertString(found.iterator, stringView, storageFunction(stringView));

13
tests/unit/unittest/mockmutex.h
View File

@@ -27,6 +27,8 @@
#include "googletest.h"
#include <stringcache.h>
class MockMutex
{
public:
@@ -37,3 +39,14 @@ public:
MOCK_METHOD0(lock_shared, void ());
MOCK_METHOD0(unlock_shared, void ());
};
class MockMutexNonLocking : public ClangBackEnd::NonLockingMutex
{
public:
using MutexType = MockMutexNonLocking;
MOCK_METHOD0(lock, void());
MOCK_METHOD0(unlock, void());
MOCK_METHOD0(lock_shared, void());
MOCK_METHOD0(unlock_shared, void());
};

489
tests/unit/unittest/stringcache-test.cpp
View File

@@ -45,14 +45,21 @@ using ClangBackEnd::findInSorted;
using StorageIdFunction = std::function<int(Utils::SmallStringView)>;
using StorageStringFunction = std::function<Utils::PathString(int)>;
using Cache = ClangBackEnd::StringCache<Utils::PathString,
using CacheWithMockLocking = ClangBackEnd::StringCache<Utils::PathString,
Utils::SmallStringView,
int,
NiceMock<MockMutex>,
decltype(&Utils::reverseCompare),
Utils::reverseCompare>;
using CacheEntries = Cache::CacheEntries;
using CacheWithoutLocking = ClangBackEnd::StringCache<Utils::PathString,
Utils::SmallStringView,
int,
NiceMock<MockMutexNonLocking>,
decltype(&Utils::reverseCompare),
Utils::reverseCompare>;
template<typename Cache>
class StringCache : public testing::Test
{
protected:
@@ -65,11 +72,11 @@ protected:
return reverseCompare(f, l) < 0;
});
ON_CALL(mockStorage, fetchDirectoryId(Eq("foo"))).WillByDefault(Return(42));
ON_CALL(mockStorage, fetchDirectoryId(Eq("bar"))).WillByDefault(Return(43));
ON_CALL(mockStorage, fetchDirectoryId(Eq("poo"))).WillByDefault(Return(44));
ON_CALL(mockStorage, fetchDirectoryId(Eq("taa"))).WillByDefault(Return(45));
ON_CALL(mockStorage, fetchDirectoryPath(41)).WillByDefault(Return(Utils::PathString("bar")));
ON_CALL(this->mockStorage, fetchDirectoryId(Eq("foo"))).WillByDefault(Return(42));
ON_CALL(this->mockStorage, fetchDirectoryId(Eq("bar"))).WillByDefault(Return(43));
ON_CALL(this->mockStorage, fetchDirectoryId(Eq("poo"))).WillByDefault(Return(44));
ON_CALL(this->mockStorage, fetchDirectoryId(Eq("taa"))).WillByDefault(Return(45));
ON_CALL(this->mockStorage, fetchDirectoryPath(41)).WillByDefault(Return(Utils::PathString("bar")));
}
protected:
@@ -82,7 +89,7 @@ protected:
return mockStorage.fetchDirectoryPath(id);
};
Cache cache;
NiceMock<MockMutex> &mockMutex = cache.mutex();
typename Cache::MutexType &mockMutex = cache.mutex();
Utils::PathString filePath1{"/file/pathOne"};
Utils::PathString filePath2{"/file/pathTwo"};
Utils::PathString filePath3{"/file/pathThree"};
@@ -100,463 +107,523 @@ protected:
filePath5};
};
TEST_F(StringCache, AddFilePath)
using CacheTypes = ::testing::Types<CacheWithMockLocking, CacheWithoutLocking>;
TYPED_TEST_SUITE(StringCache, CacheTypes);
TYPED_TEST(StringCache, AddFilePath)
{
auto id = cache.stringId(filePath1);
auto id = this->cache.stringId(this->filePath1);
ASSERT_THAT(id, 0);
}
TEST_F(StringCache, AddSecondFilePath)
TYPED_TEST(StringCache, AddSecondFilePath)
{
cache.stringId(filePath1);
this->cache.stringId(this->filePath1);
auto id = cache.stringId(filePath2);
auto id = this->cache.stringId(this->filePath2);
ASSERT_THAT(id, 1);
}
TEST_F(StringCache, AddDuplicateFilePath)
TYPED_TEST(StringCache, AddDuplicateFilePath)
{
cache.stringId(filePath1);
this->cache.stringId(this->filePath1);
auto id = cache.stringId(filePath1);
auto id = this->cache.stringId(this->filePath1);
ASSERT_THAT(id, 0);
}
TEST_F(StringCache, AddDuplicateFilePathBetweenOtherEntries)
TYPED_TEST(StringCache, AddDuplicateFilePathBetweenOtherEntries)
{
cache.stringId(filePath1);
cache.stringId(filePath2);
cache.stringId(filePath3);
cache.stringId(filePath4);
this->cache.stringId(this->filePath1);
this->cache.stringId(this->filePath2);
this->cache.stringId(this->filePath3);
this->cache.stringId(this->filePath4);
auto id = cache.stringId(filePath3);
auto id = this->cache.stringId(this->filePath3);
ASSERT_THAT(id, 2);
}
TEST_F(StringCache, ThrowForGettingPathForNoEntry)
TYPED_TEST(StringCache, ThrowForGettingPathForNoEntry)
{
EXPECT_ANY_THROW(cache.string(0));
EXPECT_ANY_THROW(this->cache.string(0));
}
TEST_F(StringCache, GetFilePathForIdWithOneEntry)
TYPED_TEST(StringCache, GetFilePathForIdWithOneEntry)
{
cache.stringId(filePath1);
this->cache.stringId(this->filePath1);
auto filePath = cache.string(0);
auto filePath = this->cache.string(0);
ASSERT_THAT(filePath, filePath1);
ASSERT_THAT(filePath, this->filePath1);
}
TEST_F(StringCache, GetFilePathForIdWithSomeEntries)
TYPED_TEST(StringCache, GetFilePathForIdWithSomeEntries)
{
cache.stringId(filePath1);
cache.stringId(filePath2);
cache.stringId(filePath3);
cache.stringId(filePath4);
this->cache.stringId(this->filePath1);
this->cache.stringId(this->filePath2);
this->cache.stringId(this->filePath3);
this->cache.stringId(this->filePath4);
auto filePath = cache.string(2);
auto filePath = this->cache.string(2);
ASSERT_THAT(filePath, filePath3);
ASSERT_THAT(filePath, this->filePath3);
}
TEST_F(StringCache, GetAllFilePaths)
TYPED_TEST(StringCache, GetAllFilePaths)
{
cache.stringId(filePath1);
cache.stringId(filePath2);
cache.stringId(filePath3);
cache.stringId(filePath4);
this->cache.stringId(this->filePath1);
this->cache.stringId(this->filePath2);
this->cache.stringId(this->filePath3);
this->cache.stringId(this->filePath4);
const auto &filePaths = cache.strings({0, 1, 2, 3});
auto filePaths = this->cache.strings({0, 1, 2, 3});
ASSERT_THAT(filePaths, ElementsAre(filePath1, filePath2, filePath3, filePath4));
ASSERT_THAT(filePaths,
ElementsAre(this->filePath1, this->filePath2, this->filePath3, this->filePath4));
}
TEST_F(StringCache, AddFilePaths)
TYPED_TEST(StringCache, AddFilePaths)
{
auto ids = cache.stringIds({filePath1, filePath2, filePath3, filePath4});
auto ids = this->cache.stringIds(
{this->filePath1, this->filePath2, this->filePath3, this->filePath4});
ASSERT_THAT(ids, ElementsAre(0, 1, 2, 3));
}
TEST_F(StringCache, IsEmpty)
TYPED_TEST(StringCache, AddFilePathsWithStorageFunction)
{
auto isEmpty = cache.isEmpty();
auto ids = this->cache.stringIds({"foo", "taa", "poo", "bar"}, this->mockStorageFetchDirectyId);
ASSERT_THAT(ids, UnorderedElementsAre(42, 43, 44, 45));
}
TYPED_TEST(StringCache, IsEmpty)
{
auto isEmpty = this->cache.isEmpty();
ASSERT_TRUE(isEmpty);
}
TEST_F(StringCache, IsNotEmpty)
TYPED_TEST(StringCache, IsNotEmpty)
{
cache.stringId(filePath1);
this->cache.stringId(this->filePath1);
auto isEmpty = cache.isEmpty();
auto isEmpty = this->cache.isEmpty();
ASSERT_FALSE(isEmpty);
}
TEST_F(StringCache, PopulateWithEmptyVector)
TYPED_TEST(StringCache, PopulateWithEmptyVector)
{
CacheEntries entries;
typename TypeParam::CacheEntries entries;
cache.uncheckedPopulate(std::move(entries));
this->cache.uncheckedPopulate(std::move(entries));
ASSERT_TRUE(cache.isEmpty());
ASSERT_TRUE(this->cache.isEmpty());
}
TEST_F(StringCache, IsNotEmptyAfterPopulateWithSomeEntries)
TYPED_TEST(StringCache, IsNotEmptyAfterPopulateWithSomeEntries)
{
CacheEntries entries{{filePath1.clone(), 0},
{filePath2.clone(), 3},
{filePath3.clone(), 2},
{filePath4.clone(), 5}};
typename TypeParam::CacheEntries entries{{this->filePath1.clone(), 0},
{this->filePath2.clone(), 3},
{this->filePath3.clone(), 2},
{this->filePath4.clone(), 5}};
cache.uncheckedPopulate(std::move(entries));
this->cache.uncheckedPopulate(std::move(entries));
ASSERT_TRUE(!cache.isEmpty());
ASSERT_TRUE(!this->cache.isEmpty());
}
TEST_F(StringCache, GetEntryAfterPopulateWithSomeEntries)
TYPED_TEST(StringCache, GetEntryAfterPopulateWithSomeEntries)
{
CacheEntries entries{{filePath1.clone(), 0},
{filePath2.clone(), 1},
{filePath3.clone(), 7},
{filePath4.clone(), 3}};
cache.uncheckedPopulate(std::move(entries));
typename TypeParam::CacheEntries entries{{this->filePath1.clone(), 0},
{this->filePath2.clone(), 1},
{this->filePath3.clone(), 7},
{this->filePath4.clone(), 3}};
this->cache.uncheckedPopulate(std::move(entries));
auto string = cache.string(7);
auto string = this->cache.string(7);
ASSERT_THAT(string, filePath3);
ASSERT_THAT(string, this->filePath3);
}
TEST_F(StringCache, EntriesHaveUniqueIds)
TYPED_TEST(StringCache, EntriesHaveUniqueIds)
{
CacheEntries entries{{filePath1.clone(), 0},
{filePath2.clone(), 1},
{filePath3.clone(), 2},
{filePath4.clone(), 2}};
typename TypeParam::CacheEntries entries{{this->filePath1.clone(), 0},
{this->filePath2.clone(), 1},
{this->filePath3.clone(), 2},
{this->filePath4.clone(), 2}};
ASSERT_THROW(cache.populate(std::move(entries)), StringCacheException);
ASSERT_THROW(this->cache.populate(std::move(entries)), StringCacheException);
}
TEST_F(StringCache, MultipleEntries)
TYPED_TEST(StringCache, MultipleEntries)
{
CacheEntries entries{{filePath1.clone(), 0},
{filePath1.clone(), 1},
{filePath3.clone(), 2},
{filePath4.clone(), 3}};
typename TypeParam::CacheEntries entries{{this->filePath1.clone(), 0},
{this->filePath1.clone(), 1},
{this->filePath3.clone(), 2},
{this->filePath4.clone(), 3}};
ASSERT_THROW(cache.populate(std::move(entries)), StringCacheException);
ASSERT_THROW(this->cache.populate(std::move(entries)), StringCacheException);
}
TEST_F(StringCache, DontFindInSorted)
TYPED_TEST(StringCache, DontFindInSorted)
{
auto found = findInSorted(filePaths.cbegin(), filePaths.cend(), "/file/pathFoo", compare);
auto found = findInSorted(this->filePaths.cbegin(), this->filePaths.cend(), "/file/pathFoo", compare);
ASSERT_FALSE(found.wasFound);
}
TEST_F(StringCache, FindInSortedOne)
TYPED_TEST(StringCache, FindInSortedOne)
{
auto found = findInSorted(filePaths.cbegin(), filePaths.cend(), "/file/pathOne", compare);
auto found = findInSorted(this->filePaths.cbegin(), this->filePaths.cend(), "/file/pathOne", compare);
ASSERT_TRUE(found.wasFound);
}
TEST_F(StringCache, FindInSortedTwo)
TYPED_TEST(StringCache, FindInSortedTwo)
{
auto found = findInSorted(filePaths.cbegin(), filePaths.cend(), "/file/pathTwo", compare);
auto found = findInSorted(this->filePaths.cbegin(), this->filePaths.cend(), "/file/pathTwo", compare);
ASSERT_TRUE(found.wasFound);
}
TEST_F(StringCache, FindInSortedTree)
TYPED_TEST(StringCache, FindInSortedTree)
{
auto found = findInSorted(filePaths.cbegin(), filePaths.cend(), "/file/pathThree", compare);
auto found = findInSorted(this->filePaths.cbegin(),
this->filePaths.cend(),
"/file/pathThree",
compare);
ASSERT_TRUE(found.wasFound);
}
TEST_F(StringCache, FindInSortedFour)
TYPED_TEST(StringCache, FindInSortedFour)
{
auto found = findInSorted(filePaths.cbegin(), filePaths.cend(), "/file/pathFour", compare);
auto found = findInSorted(this->filePaths.cbegin(), this->filePaths.cend(), "/file/pathFour", compare);
ASSERT_TRUE(found.wasFound);
}
TEST_F(StringCache, FindInSortedFife)
TYPED_TEST(StringCache, FindInSortedFife)
{
auto found = findInSorted(filePaths.cbegin(), filePaths.cend(), "/file/pathFife", compare);
auto found = findInSorted(this->filePaths.cbegin(), this->filePaths.cend(), "/file/pathFife", compare);
ASSERT_TRUE(found.wasFound);
}
TEST_F(StringCache, DontFindInSortedReverse)
TYPED_TEST(StringCache, DontFindInSortedReverse)
{
auto found = findInSorted(reverseFilePaths.cbegin(), reverseFilePaths.cend(), "/file/pathFoo", reverseCompare);
auto found = findInSorted(this->reverseFilePaths.cbegin(),
this->reverseFilePaths.cend(),
"/file/pathFoo",
reverseCompare);
ASSERT_FALSE(found.wasFound);
}
TEST_F(StringCache, FindInSortedOneReverse)
TYPED_TEST(StringCache, FindInSortedOneReverse)
{
auto found = findInSorted(reverseFilePaths.cbegin(), reverseFilePaths.cend(), "/file/pathOne", reverseCompare);
auto found = findInSorted(this->reverseFilePaths.cbegin(),
this->reverseFilePaths.cend(),
"/file/pathOne",
reverseCompare);
ASSERT_TRUE(found.wasFound);
}
TEST_F(StringCache, FindInSortedTwoReverse)
TYPED_TEST(StringCache, FindInSortedTwoReverse)
{
auto found = findInSorted(reverseFilePaths.cbegin(), reverseFilePaths.cend(), "/file/pathTwo", reverseCompare);
auto found = findInSorted(this->reverseFilePaths.cbegin(),
this->reverseFilePaths.cend(),
"/file/pathTwo",
reverseCompare);
ASSERT_TRUE(found.wasFound);
}
TEST_F(StringCache, FindInSortedTreeReverse)
TYPED_TEST(StringCache, FindInSortedTreeReverse)
{
auto found = findInSorted(reverseFilePaths.cbegin(), reverseFilePaths.cend(), "/file/pathThree", reverseCompare);
auto found = findInSorted(this->reverseFilePaths.cbegin(),
this->reverseFilePaths.cend(),
"/file/pathThree",
reverseCompare);
ASSERT_TRUE(found.wasFound);
}
TEST_F(StringCache, FindInSortedFourReverse)
TYPED_TEST(StringCache, FindInSortedFourReverse)
{
auto found = findInSorted(reverseFilePaths.cbegin(), reverseFilePaths.cend(), "/file/pathFour", reverseCompare);
auto found = findInSorted(this->reverseFilePaths.cbegin(),
this->reverseFilePaths.cend(),
"/file/pathFour",
reverseCompare);
ASSERT_TRUE(found.wasFound);
}
TEST_F(StringCache, FindInSortedFifeReverse)
TYPED_TEST(StringCache, FindInSortedFifeReverse)
{
auto found = findInSorted(reverseFilePaths.cbegin(), reverseFilePaths.cend(), "/file/pathFife", reverseCompare);
auto found = findInSorted(this->reverseFilePaths.cbegin(),
this->reverseFilePaths.cend(),
"/file/pathFife",
reverseCompare);
ASSERT_TRUE(found.wasFound);
}
TEST_F(StringCache, StringIdIsReadAndWriteLockedForUnknownEntry)
TYPED_TEST(StringCache, StringIdIsReadAndWriteLockedForUnknownEntry)
{
InSequence s;
EXPECT_CALL(mockMutex, lock_shared());
EXPECT_CALL(mockMutex, unlock_shared());
EXPECT_CALL(mockMutex, lock());
EXPECT_CALL(mockMutex, unlock());
EXPECT_CALL(this->mockMutex, lock_shared());
EXPECT_CALL(this->mockMutex, unlock_shared());
EXPECT_CALL(this->mockMutex, lock());
EXPECT_CALL(this->mockMutex, unlock());
cache.stringId("foo");
this->cache.stringId("foo");
}
TEST_F(StringCache, StringIdWithStorageFunctionIsReadAndWriteLockedForUnknownEntry)
TYPED_TEST(StringCache, StringIdWithStorageFunctionIsReadAndWriteLockedForUnknownEntry)
{
InSequence s;
EXPECT_CALL(mockMutex, lock_shared());
EXPECT_CALL(mockMutex, unlock_shared());
EXPECT_CALL(mockMutex, lock());
EXPECT_CALL(mockStorage, fetchDirectoryId(Eq("foo")));
EXPECT_CALL(mockMutex, unlock());
EXPECT_CALL(this->mockMutex, lock_shared());
EXPECT_CALL(this->mockMutex, unlock_shared());
EXPECT_CALL(this->mockMutex, lock());
EXPECT_CALL(this->mockStorage, fetchDirectoryId(Eq("foo")));
EXPECT_CALL(this->mockMutex, unlock());
cache.stringId("foo", mockStorageFetchDirectyId);
this->cache.stringId("foo", this->mockStorageFetchDirectyId);
}
TEST_F(StringCache, StringIdWithStorageFunctionIsReadLockedForKnownEntry)
TYPED_TEST(StringCache, StringIdWithStorageFunctionIsReadLockedForKnownEntry)
{
InSequence s;
cache.stringId("foo", mockStorageFetchDirectyId);
this->cache.stringId("foo", this->mockStorageFetchDirectyId);
EXPECT_CALL(mockMutex, lock_shared());
EXPECT_CALL(mockMutex, unlock_shared());
EXPECT_CALL(mockMutex, lock()).Times(0);
EXPECT_CALL(mockStorage, fetchDirectoryId(Eq("foo"))).Times(0);
EXPECT_CALL(mockMutex, unlock()).Times(0);
EXPECT_CALL(this->mockMutex, lock_shared());
EXPECT_CALL(this->mockMutex, unlock_shared());
EXPECT_CALL(this->mockMutex, lock()).Times(0);
EXPECT_CALL(this->mockStorage, fetchDirectoryId(Eq("foo"))).Times(0);
EXPECT_CALL(this->mockMutex, unlock()).Times(0);
cache.stringId("foo", mockStorageFetchDirectyId);
this->cache.stringId("foo", this->mockStorageFetchDirectyId);
}
TEST_F(StringCache, StringIdIsReadLockedForKnownEntry)
TYPED_TEST(StringCache, StringIdIsReadLockedForKnownEntry)
{
cache.stringId("foo");
this->cache.stringId("foo");
EXPECT_CALL(mockMutex, lock_shared());
EXPECT_CALL(mockMutex, unlock_shared());
EXPECT_CALL(mockMutex, lock()).Times(0);
EXPECT_CALL(mockMutex, unlock()).Times(0);
EXPECT_CALL(this->mockMutex, lock_shared());
EXPECT_CALL(this->mockMutex, unlock_shared());
EXPECT_CALL(this->mockMutex, lock()).Times(0);
EXPECT_CALL(this->mockMutex, unlock()).Times(0);
cache.stringId("foo");
this->cache.stringId("foo");
}
TEST_F(StringCache, StringIdsIsLocked)
TYPED_TEST(StringCache, StringIdsIsLocked)
{
EXPECT_CALL(mockMutex, lock_shared());
EXPECT_CALL(mockMutex, unlock_shared());
EXPECT_CALL(this->mockMutex, lock_shared());
EXPECT_CALL(this->mockMutex, unlock_shared());
cache.stringIds({"foo"});
this->cache.stringIds({"foo"});
}
TEST_F(StringCache, StringIsLocked)
TYPED_TEST(StringCache, StringIdsWithStorageIsLocked)
{
auto id = cache.stringId("foo");
EXPECT_CALL(this->mockMutex, lock_shared());
EXPECT_CALL(this->mockMutex, unlock_shared());
EXPECT_CALL(mockMutex, lock_shared());
EXPECT_CALL(mockMutex, unlock_shared());
cache.string(id);
this->cache.stringIds({"foo"}, this->mockStorageFetchDirectyId);
}
TEST_F(StringCache, StringsIsLocked)
TYPED_TEST(StringCache, StringIsLocked)
{
auto ids = cache.stringIds({"foo", "bar"});
auto id = this->cache.stringId("foo");
EXPECT_CALL(mockMutex, lock_shared());
EXPECT_CALL(mockMutex, unlock_shared());
EXPECT_CALL(this->mockMutex, lock_shared());
EXPECT_CALL(this->mockMutex, unlock_shared());
cache.strings(ids);
this->cache.string(id);
}
TEST_F(StringCache, StringWithStorageFunctionIsReadAndWriteLockedForUnknownId)
TYPED_TEST(StringCache, StringsIsLocked)
{
auto ids = this->cache.stringIds({"foo", "bar"});
EXPECT_CALL(this->mockMutex, lock_shared());
EXPECT_CALL(this->mockMutex, unlock_shared());
this->cache.strings(ids);
}
TYPED_TEST(StringCache, StringWithStorageFunctionIsReadAndWriteLockedForUnknownId)
{
InSequence s;
EXPECT_CALL(mockMutex, lock_shared());
EXPECT_CALL(mockMutex, unlock_shared());
EXPECT_CALL(mockMutex, lock());
EXPECT_CALL(mockStorage, fetchDirectoryPath(Eq(41)));
EXPECT_CALL(mockMutex, unlock());
EXPECT_CALL(this->mockMutex, lock_shared());
EXPECT_CALL(this->mockMutex, unlock_shared());
EXPECT_CALL(this->mockMutex, lock());
EXPECT_CALL(this->mockStorage, fetchDirectoryPath(Eq(41)));
EXPECT_CALL(this->mockMutex, unlock());
cache.string(41, mockStorageFetchDirectyPath);
this->cache.string(41, this->mockStorageFetchDirectyPath);
}
TEST_F(StringCache, StringWithStorageFunctionIsReadLockedForKnownId)
TYPED_TEST(StringCache, StringWithStorageFunctionIsReadLockedForKnownId)
{
InSequence s;
cache.string(41, mockStorageFetchDirectyPath);
this->cache.string(41, this->mockStorageFetchDirectyPath);
EXPECT_CALL(mockMutex, lock_shared());
EXPECT_CALL(mockMutex, unlock_shared());
EXPECT_CALL(mockMutex, lock()).Times(0);
EXPECT_CALL(mockStorage, fetchDirectoryPath(Eq(41))).Times(0);
EXPECT_CALL(mockMutex, unlock()).Times(0);
EXPECT_CALL(this->mockMutex, lock_shared());
EXPECT_CALL(this->mockMutex, unlock_shared());
EXPECT_CALL(this->mockMutex, lock()).Times(0);
EXPECT_CALL(this->mockStorage, fetchDirectoryPath(Eq(41))).Times(0);
EXPECT_CALL(this->mockMutex, unlock()).Times(0);
cache.string(41, mockStorageFetchDirectyPath);
this->cache.string(41, this->mockStorageFetchDirectyPath);
}
TEST_F(StringCache, StringIdWithStorageFunctionWhichHasNoEntryIsCallingStorageFunction)
TYPED_TEST(StringCache, StringIdWithStorageFunctionWhichHasNoEntryIsCallingStorageFunction)
{
EXPECT_CALL(mockStorage, fetchDirectoryId(Eq("foo")));
EXPECT_CALL(this->mockStorage, fetchDirectoryId(Eq("foo")));
cache.stringId("foo", mockStorageFetchDirectyId);
this->cache.stringId("foo", this->mockStorageFetchDirectyId);
}
TEST_F(StringCache, StringIdWithStorageFunctionWhichHasEntryIsNotCallingStorageFunction)
TYPED_TEST(StringCache, StringIdWithStorageFunctionWhichHasEntryIsNotCallingStorageFunction)
{
cache.stringId("foo", mockStorageFetchDirectyId);
this->cache.stringId("foo", this->mockStorageFetchDirectyId);
EXPECT_CALL(mockStorage, fetchDirectoryId(Eq("foo"))).Times(0);
EXPECT_CALL(this->mockStorage, fetchDirectoryId(Eq("foo"))).Times(0);
cache.stringId("foo", mockStorageFetchDirectyId);
this->cache.stringId("foo", this->mockStorageFetchDirectyId);
}
TEST_F(StringCache, IndexOfStringIdWithStorageFunctionWhichHasEntry)
TYPED_TEST(StringCache, IndexOfStringIdWithStorageFunctionWhichHasEntry)
{
cache.stringId("foo", mockStorageFetchDirectyId);
this->cache.stringId("foo", this->mockStorageFetchDirectyId);
auto index = cache.stringId("foo", mockStorageFetchDirectyId);
auto index = this->cache.stringId("foo", this->mockStorageFetchDirectyId);
ASSERT_THAT(index, 42);
}
TEST_F(StringCache, IndexOfStringIdWithStorageFunctionWhichHasNoEntry)
TYPED_TEST(StringCache, IndexOfStringIdWithStorageFunctionWhichHasNoEntry)
{
auto index = cache.stringId("foo", mockStorageFetchDirectyId);
auto index = this->cache.stringId("foo", this->mockStorageFetchDirectyId);
ASSERT_THAT(index, 42);
}
TEST_F(StringCache, GetEntryByIndexAfterInsertingByCustomIndex)
TYPED_TEST(StringCache, GetEntryByIndexAfterInsertingByCustomIndex)
{
auto index = cache.stringId("foo", mockStorageFetchDirectyId);
auto index = this->cache.stringId("foo", this->mockStorageFetchDirectyId);
auto string = cache.string(index, mockStorageFetchDirectyPath);
auto string = this->cache.string(index, this->mockStorageFetchDirectyPath);
ASSERT_THAT(string, Eq("foo"));
}
TEST_F(StringCache, CallFetchDirectoryPathForLowerIndex)
TYPED_TEST(StringCache, CallFetchDirectoryPathForLowerIndex)
{
auto index = cache.stringId("foo", mockStorageFetchDirectyId);
auto index = this->cache.stringId("foo", this->mockStorageFetchDirectyId);
EXPECT_CALL(mockStorage, fetchDirectoryPath(Eq(index - 1)));
EXPECT_CALL(this->mockStorage, fetchDirectoryPath(Eq(index - 1)));
cache.string(index - 1, mockStorageFetchDirectyPath);
this->cache.string(index - 1, this->mockStorageFetchDirectyPath);
}
TEST_F(StringCache, CallFetchDirectoryPathForUnknownIndex)
TYPED_TEST(StringCache, CallFetchDirectoryPathForUnknownIndex)
{
EXPECT_CALL(mockStorage, fetchDirectoryPath(Eq(0)));
EXPECT_CALL(this->mockStorage, fetchDirectoryPath(Eq(0)));
cache.string(0, mockStorageFetchDirectyPath);
this->cache.string(0, this->mockStorageFetchDirectyPath);
}
TEST_F(StringCache, FetchDirectoryPathForUnknownIndex)
TYPED_TEST(StringCache, FetchDirectoryPathForUnknownIndex)
{
auto string = cache.string(41, mockStorageFetchDirectyPath);
auto string = this->cache.string(41, this->mockStorageFetchDirectyPath);
ASSERT_THAT(string, Eq("bar"));
}
TEST_F(StringCache, AddStringCalls)
TYPED_TEST(StringCache, AddStringCalls)
{
EXPECT_CALL(mockStorage, fetchDirectoryId(Eq("foo")));
EXPECT_CALL(mockStorage, fetchDirectoryId(Eq("bar")));
EXPECT_CALL(mockStorage, fetchDirectoryId(Eq("poo")));
EXPECT_CALL(this->mockStorage, fetchDirectoryId(Eq("foo")));
EXPECT_CALL(this->mockStorage, fetchDirectoryId(Eq("bar")));
EXPECT_CALL(this->mockStorage, fetchDirectoryId(Eq("poo")));
cache.addStrings({"foo", "bar", "poo"}, mockStorageFetchDirectyId);
this->cache.addStrings({"foo", "bar", "poo"}, this->mockStorageFetchDirectyId);
}
TEST_F(StringCache, AddStringCallsOnlyForNewStrings)
TYPED_TEST(StringCache, AddStringCallsOnlyForNewStrings)
{
cache.addStrings({"foo", "poo"}, mockStorageFetchDirectyId);
this->cache.addStrings({"foo", "poo"}, this->mockStorageFetchDirectyId);
EXPECT_CALL(mockStorage, fetchDirectoryId(Eq("taa")));
EXPECT_CALL(mockStorage, fetchDirectoryId(Eq("bar")));
EXPECT_CALL(this->mockStorage, fetchDirectoryId(Eq("taa")));
EXPECT_CALL(this->mockStorage, fetchDirectoryId(Eq("bar")));
cache.addStrings({"foo", "bar", "poo", "taa"}, mockStorageFetchDirectyId);
this->cache.addStrings({"foo", "bar", "poo", "taa"}, this->mockStorageFetchDirectyId);
}
TEST_F(StringCache, GetStringIdAfterAddingStrings)
TYPED_TEST(StringCache, GetStringIdAfterAddingStrings)
{
cache.addStrings({"foo", "bar", "poo", "taa"}, mockStorageFetchDirectyId);
this->cache.addStrings({"foo", "bar", "poo", "taa"}, this->mockStorageFetchDirectyId);
ASSERT_THAT(cache.string(cache.stringId("taa")), Eq("taa"));
ASSERT_THAT(this->cache.string(this->cache.stringId("taa")), Eq("taa"));
}
TEST_F(StringCache, GetStringAfterAddingStrings)
TYPED_TEST(StringCache, GetStringAfterAddingStrings)
{
cache.addStrings({"foo", "bar", "poo", "taa"}, mockStorageFetchDirectyId);
this->cache.addStrings({"foo", "bar", "poo", "taa"}, this->mockStorageFetchDirectyId);
ASSERT_THAT(cache.string(cache.stringId("taa")), Eq("taa"));
ASSERT_THAT(this->cache.string(this->cache.stringId("taa")), Eq("taa"));
}
TEST_F(StringCache, GetStringIdAfterAddingStringsMultipleTimes)
TYPED_TEST(StringCache, GetStringIdAfterAddingStringsMultipleTimes)
{
cache.addStrings({"foo", "taa"}, mockStorageFetchDirectyId);
this->cache.addStrings({"foo", "taa"}, this->mockStorageFetchDirectyId);
cache.addStrings({"foo", "bar", "poo", "taa"}, mockStorageFetchDirectyId);
this->cache.addStrings({"foo", "bar", "poo", "taa"}, this->mockStorageFetchDirectyId);
ASSERT_THAT(cache.string(cache.stringId("taa")), Eq("taa"));
ASSERT_THAT(this->cache.string(this->cache.stringId("taa")), Eq("taa"));
}
TEST_F(StringCache, GetStringIdAfterAddingTheSameStringsMultipleTimes)
TYPED_TEST(StringCache, GetStringIdAfterAddingTheSameStringsMultipleTimes)
{
cache.addStrings({"foo", "taa", "poo", "taa", "bar", "taa"}, mockStorageFetchDirectyId);
this->cache.addStrings({"foo", "taa", "poo", "taa", "bar", "taa"},
this->mockStorageFetchDirectyId);
ASSERT_THAT(cache.string(cache.stringId("taa")), Eq("taa"));
ASSERT_THAT(this->cache.string(this->cache.stringId("taa")), Eq("taa"));
}
TEST_F(StringCache, AddingEmptyStrings)
TYPED_TEST(StringCache, AddingEmptyStrings)
{
cache.addStrings({}, mockStorageFetchDirectyId);
this->cache.addStrings({}, this->mockStorageFetchDirectyId);
}
TYPED_TEST(StringCache, FetchStringIdsFromStorageCalls)
{
InSequence s;
EXPECT_CALL(this->mockMutex, lock_shared());
EXPECT_CALL(this->mockMutex, unlock_shared());
EXPECT_CALL(this->mockMutex, lock());
EXPECT_CALL(this->mockStorage, fetchDirectoryId(Eq("foo")));
EXPECT_CALL(this->mockMutex, unlock());
EXPECT_CALL(this->mockMutex, lock_shared());
EXPECT_CALL(this->mockMutex, unlock_shared());
EXPECT_CALL(this->mockMutex, lock());
EXPECT_CALL(this->mockStorage, fetchDirectoryId(Eq("bar")));
EXPECT_CALL(this->mockMutex, unlock());
this->cache.stringIds({"foo", "bar"}, this->mockStorageFetchDirectyId);
}
} // namespace