2015-02-21 23:25:57 +01:00
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#include "google/gtest/gtest.h"
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#include "../testutils/DataTreeTest.h"
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#include "../../../../../implementations/onblocks/datatreestore/DataTree.h"
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#include "../../../../../implementations/onblocks/datanodestore/DataLeafNode.h"
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#include "../../../../../implementations/onblocks/datanodestore/DataInnerNode.h"
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#include "messmer/blockstore/implementations/testfake/FakeBlockStore.h"
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#include "../../../../../implementations/onblocks/datatreestore/impl/algorithms.h"
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using ::testing::Test;
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using std::pair;
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using std::make_pair;
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using blobstore::onblocks::datanodestore::DataNodeStore;
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using blobstore::onblocks::datanodestore::DataNode;
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using blobstore::onblocks::datanodestore::DataInnerNode;
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using blockstore::testfake::FakeBlockStore;
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using blockstore::Key;
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using namespace blobstore::onblocks::datatreestore::algorithms;
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class GetLowestRightBorderNodeWithMoreThanOneChildOrNullTest: public DataTreeTest {
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public:
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struct TestData {
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Key rootNode;
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Key expectedResult;
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};
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void check(const TestData &testData) {
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2015-06-26 15:59:18 +02:00
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auto root = std::move(nodeStore->load(testData.rootNode).get());
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2015-02-24 22:44:10 +01:00
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auto result = GetLowestRightBorderNodeWithMoreThanOneChildOrNull(nodeStore, root.get());
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2015-02-21 23:25:57 +01:00
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EXPECT_EQ(testData.expectedResult, result->key());
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}
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Key CreateLeafOnlyTree() {
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return CreateLeaf()->key();
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2015-02-21 23:25:57 +01:00
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}
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Key CreateTwoRightBorderNodes() {
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2015-02-23 17:45:10 +01:00
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return CreateInner({CreateLeaf()})->key();
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2015-02-21 23:25:57 +01:00
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}
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Key CreateThreeRightBorderNodes() {
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2015-02-23 17:45:10 +01:00
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return CreateInner({CreateInner({CreateLeaf()})})->key();
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2015-02-21 23:25:57 +01:00
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}
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TestData CreateThreeRightBorderNodes_LastFull() {
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2015-02-23 17:45:10 +01:00
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auto node = CreateFullTwoLevel();
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auto root = CreateInner({node.get()});
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2015-06-21 14:40:52 +02:00
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return TestData{root->key(), node->key()};
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2015-02-21 23:25:57 +01:00
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}
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TestData CreateLargerTree() {
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2015-02-23 17:45:10 +01:00
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auto node = CreateInner({CreateLeaf(), CreateLeaf()});
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auto root = CreateInner({CreateFullTwoLevel().get(), node.get()});
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2015-06-21 14:40:52 +02:00
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return TestData{root->key(), node->key()};
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2015-02-21 23:25:57 +01:00
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}
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TestData CreateThreeLevelTreeWithRightBorderSingleNodeChain() {
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auto root = CreateInner({CreateFullTwoLevel(), CreateInner({CreateLeaf()})});
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2015-06-21 14:40:52 +02:00
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return TestData{root->key(), root->key()};
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2015-02-21 23:25:57 +01:00
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}
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TestData CreateThreeLevelTree() {
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2015-02-23 17:45:10 +01:00
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auto node = CreateInner({CreateLeaf(), CreateLeaf()});
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auto root = CreateInner({CreateFullTwoLevel().get(), node.get()});
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2015-06-21 14:40:52 +02:00
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return TestData{root->key(), node->key()};
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2015-02-21 23:25:57 +01:00
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}
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TestData CreateFullTwoLevelTree() {
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auto node = CreateFullTwoLevel();
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2015-06-21 14:40:52 +02:00
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return TestData{node->key(), node->key()};
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2015-02-21 23:25:57 +01:00
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}
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TestData CreateFullThreeLevelTree() {
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auto root = CreateFullThreeLevel();
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2015-06-21 14:40:52 +02:00
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return TestData{root->key(), root->LastChild()->key()};
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2015-02-21 23:25:57 +01:00
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}
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};
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TEST_F(GetLowestRightBorderNodeWithMoreThanOneChildOrNullTest, Leaf) {
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2015-06-26 15:59:18 +02:00
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auto leaf = std::move(nodeStore->load(CreateLeafOnlyTree()).get());
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2015-02-24 22:44:10 +01:00
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auto result = GetLowestRightBorderNodeWithMoreThanOneChildOrNull(nodeStore, leaf.get());
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2015-02-21 23:25:57 +01:00
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EXPECT_EQ(nullptr, result.get());
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}
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TEST_F(GetLowestRightBorderNodeWithMoreThanOneChildOrNullTest, TwoRightBorderNodes) {
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2015-06-26 15:59:18 +02:00
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auto node = std::move(nodeStore->load(CreateTwoRightBorderNodes()).get());
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2015-02-24 22:44:10 +01:00
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auto result = GetLowestRightBorderNodeWithMoreThanOneChildOrNull(nodeStore, node.get());
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2015-02-21 23:25:57 +01:00
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EXPECT_EQ(nullptr, result.get());
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}
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TEST_F(GetLowestRightBorderNodeWithMoreThanOneChildOrNullTest, ThreeRightBorderNodes) {
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2015-06-26 15:59:18 +02:00
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auto node = std::move(nodeStore->load(CreateThreeRightBorderNodes()).get());
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2015-02-24 22:44:10 +01:00
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auto result = GetLowestRightBorderNodeWithMoreThanOneChildOrNull(nodeStore, node.get());
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2015-02-21 23:25:57 +01:00
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EXPECT_EQ(nullptr, result.get());
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}
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TEST_F(GetLowestRightBorderNodeWithMoreThanOneChildOrNullTest, ThreeRightBorderNodes_LastFull) {
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auto testData = CreateThreeRightBorderNodes_LastFull();
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check(testData);
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}
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TEST_F(GetLowestRightBorderNodeWithMoreThanOneChildOrNullTest, LargerTree) {
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auto testData = CreateLargerTree();
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check(testData);
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}
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TEST_F(GetLowestRightBorderNodeWithMoreThanOneChildOrNullTest, FullTwoLevelTree) {
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auto testData = CreateFullTwoLevelTree();
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check(testData);
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}
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TEST_F(GetLowestRightBorderNodeWithMoreThanOneChildOrNullTest, FullThreeLevelTree) {
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auto testData = CreateFullThreeLevelTree();
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check(testData);
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}
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TEST_F(GetLowestRightBorderNodeWithMoreThanOneChildOrNullTest, ThreeLevelTreeWithRightBorderSingleNodeChain) {
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auto testData = CreateThreeLevelTreeWithRightBorderSingleNodeChain();
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check(testData);
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}
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TEST_F(GetLowestRightBorderNodeWithMoreThanOneChildOrNullTest, ThreeLevelTree) {
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auto testData = CreateThreeLevelTree();
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check(testData);
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}
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