memgraph/tests/unit/deferred_deleter.cpp
Mislav Bradac 11b2b83c96 Make gc more aggressive and optimise is_not_visible function
Reviewers: florijan, mferencevic

Reviewed By: florijan

Subscribers: buda, pullbot

Differential Revision: https://phabricator.memgraph.io/D849
2017-10-06 10:07:55 +02:00

62 lines
1.8 KiB
C++

#include "gtest/gtest.h"
#include "mvcc/record.hpp"
#include "storage/deferred_deleter.hpp"
#include "storage/vertex.hpp"
#include "mvcc_gc_common.hpp"
// Add and count objects.
TEST(DeferredDeleter, AddObjects) {
DeferredDeleter<Vertex> deleter;
for (int i = 0; i < 10; ++i) {
std::vector<DeferredDeleter<Vertex>::DeletedObject> v;
v.emplace_back(new Vertex, 5);
v.emplace_back(new Vertex, 5);
deleter.AddObjects(v);
EXPECT_EQ(deleter.Count(), (i + 1) * 2);
}
deleter.FreeExpiredObjects(tx::Transaction::MaxId());
}
// Check that the deleter can't be destroyed while it still has objects.
TEST(DeferredDeleter, Destructor) {
std::atomic<int> count{0};
DeferredDeleter<DestrCountRec> *deleter = new DeferredDeleter<DestrCountRec>;
for (int i = 0; i < 10; ++i) {
std::vector<DeferredDeleter<DestrCountRec>::DeletedObject> v;
v.emplace_back(new DestrCountRec(count), 5);
v.emplace_back(new DestrCountRec(count), 5);
deleter->AddObjects(v);
EXPECT_EQ(deleter->Count(), (i + 1) * 2);
}
EXPECT_EQ(0, count);
EXPECT_DEATH(delete deleter, "");
// We shouldn't leak memory.
deleter->FreeExpiredObjects(tx::Transaction::MaxId());
delete deleter;
}
// Check if deleter frees objects.
TEST(DeferredDeleter, FreeExpiredObjects) {
DeferredDeleter<DestrCountRec> deleter;
std::vector<DeferredDeleter<DestrCountRec>::DeletedObject> v;
std::atomic<int> count{0};
v.emplace_back(new DestrCountRec(count), 5);
v.emplace_back(new DestrCountRec(count), 5);
deleter.AddObjects(v);
deleter.FreeExpiredObjects(5);
EXPECT_EQ(deleter.Count(), 2);
EXPECT_EQ(count, 0);
deleter.FreeExpiredObjects(6);
EXPECT_EQ(deleter.Count(), 0);
EXPECT_EQ(count, 2);
}
int main(int argc, char **argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}