461ea65ad4
Summary: Add tests. Merge branch 'dev' into remove_locks Everything works. Refactor complete. Documentation: https://phabricator.memgraph.io/w/memgraph_implementation/indexing/ Reviewers: buda, mislav.bradac, florijan Reviewed By: florijan Subscribers: pullbot Differential Revision: https://phabricator.memgraph.io/D258
86 lines
1.9 KiB
C++
86 lines
1.9 KiB
C++
#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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#include "mvcc/id.hpp"
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#include "mvcc/record.hpp"
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#include "mvcc/version_list.hpp"
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#include "storage/vertex.hpp"
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#include "transactions/engine.hpp"
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#include "gc_common.hpp"
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TEST(MVCC, Case1Test3) {
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tx::Engine engine;
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auto t1 = engine.begin();
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mvcc::VersionList<Prop> version_list(*t1);
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t1->commit();
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auto t2 = engine.begin();
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version_list.update(*t2);
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t2->commit();
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auto t3 = engine.begin();
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auto t4 = engine.begin();
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version_list.update(*t4);
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t4->commit();
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EXPECT_THROW(version_list.remove(*t3), SerializationError);
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}
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TEST(MVCC, InSnapshotSerializationError) {
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tx::Engine engine;
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auto t1 = engine.begin();
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mvcc::VersionList<Prop> version_list(*t1);
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t1->commit();
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auto t2 = engine.begin();
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version_list.update(*t2);
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auto t3 = engine.begin(); // t2 is in snapshot of t3
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t2->commit();
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EXPECT_THROW(version_list.update(*t3), SerializationError);
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}
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// Check that we don't delete records when we re-link.
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TEST(MVCC, UpdateDontDelete) {
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std::atomic<int> count{0};
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{
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tx::Engine engine;
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auto t1 = engine.begin();
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mvcc::VersionList<PropCount> version_list(*t1, count);
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t1->commit();
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auto t2 = engine.begin();
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version_list.update(*t2);
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t2->abort();
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EXPECT_EQ(count, 0);
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auto t3 = engine.begin();
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// Update re-links the node and shouldn't clear it yet.
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version_list.update(*t3);
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EXPECT_EQ(count, 0);
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t3->commit();
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}
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EXPECT_EQ(count, 3);
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}
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// Check that we get the oldest record.
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TEST(MVCC, Oldest) {
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tx::Engine engine;
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auto t1 = engine.begin();
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mvcc::VersionList<Prop> version_list(*t1);
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auto first = version_list.Oldest();
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EXPECT_NE(first, nullptr);
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for (int i = 0; i < 10; ++i) {
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engine.advance(t1->id);
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version_list.update(*t1);
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EXPECT_EQ(version_list.Oldest(), first);
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}
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}
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int main(int argc, char **argv) {
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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