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Add some tests to DataTree

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This commit is contained in:
Sebastian Messmer 2015-01-27 16:54:46 +01:00
parent 95e4a7a335
commit 1b15af4a3c
1 changed files with 66 additions and 0 deletions
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66
src/test/blobstore/implementations/onblocks/datatreestore/DataTreeTest.cpp
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@ -51,6 +51,27 @@ public:
return key; return key;
} }
Key CreateTreeAddThreeLeavesReturnRootKey() {
auto tree = CreateLeafOnlyTree();
auto key = tree->key();
tree->addDataLeaf();
tree->addDataLeaf();
tree->addDataLeaf();
return key;
}
Key CreateThreeNodeChainedTreeReturnRootKey() {
auto leaf = nodeStore.createNewLeafNode();
auto node = nodeStore.createNewInnerNode(*leaf);
auto root = nodeStore.createNewInnerNode(*node);
return root->key();
}
void AddLeafTo(const Key &key) {
DataTree tree(&nodeStore, nodeStore.load(key));
tree.addDataLeaf();
}
unique_ptr<DataInnerNode> LoadInnerNode(const Key &key) { unique_ptr<DataInnerNode> LoadInnerNode(const Key &key) {
auto node = nodeStore.load(key); auto node = nodeStore.load(key);
return dynamic_pointer_move<DataInnerNode>(node); return dynamic_pointer_move<DataInnerNode>(node);
@ -112,6 +133,51 @@ TEST_F(DataTreeTest, GrowATwoNodeTree_Structure) {
EXPECT_IS_LEAF_NODE(root->getChild(2)->key()); EXPECT_IS_LEAF_NODE(root->getChild(2)->key());
} }
TEST_F(DataTreeTest, GrowAThreeNodeTree_KeyDoesntChange) {
auto tree = CreateLeafOnlyTree();
auto key = tree->key();
tree->addDataLeaf();
tree->addDataLeaf();
tree->addDataLeaf();
EXPECT_EQ(key, tree->key());
}
TEST_F(DataTreeTest, GrowAThreeNodeTree_Structure) {
auto key = CreateTreeAddThreeLeavesReturnRootKey();
EXPECT_IS_INNER_NODE(key);
auto root = LoadInnerNode(key);
EXPECT_EQ(4u, root->numChildren());
EXPECT_IS_LEAF_NODE(root->getChild(0)->key());
EXPECT_IS_LEAF_NODE(root->getChild(1)->key());
EXPECT_IS_LEAF_NODE(root->getChild(2)->key());
EXPECT_IS_LEAF_NODE(root->getChild(3)->key());
}
TEST_F(DataTreeTest, GrowAThreeNodeChainedTree_KeyDoesntChange) {
auto root_key = CreateThreeNodeChainedTreeReturnRootKey();
DataTree tree(&nodeStore, nodeStore.load(root_key));
tree.addDataLeaf();
EXPECT_EQ(root_key, tree.key());
}
TEST_F(DataTreeTest, GrowAThreeNodeChainedTree_Structure) {
auto key = CreateThreeNodeChainedTreeReturnRootKey();
AddLeafTo(key);
EXPECT_IS_INNER_NODE(key);
auto root = LoadInnerNode(key);
EXPECT_EQ(1u, root->numChildren());
EXPECT_IS_INNER_NODE(root->getChild(0)->key());
auto node = LoadInnerNode(root->getChild(0)->key());
EXPECT_EQ(2u, node->numChildren());
EXPECT_IS_LEAF_NODE(node->getChild(0)->key());
EXPECT_IS_LEAF_NODE(node->getChild(1)->key());
}
//TODO Grow a full two-level tree //TODO Grow a full two-level tree
//TODO Grow a three-level tree //TODO Grow a three-level tree
//TODO Go through some cases where the right border node chosen is special //TODO Go through some cases where the right border node chosen is special