Beispiel #1
0
 private void AssertSiblingPointerGeneration(long currentRightmostNode, long currentRightmostNodeGeneration, long currentRightmostRightSiblingPointer, long currentRightmostRightSiblingPointerGeneration, long newRightmostNode, long newRightmostNodeGeneration, long newRightmostLeftSiblingPointer, long newRightmostLeftSiblingPointerGeneration, GBPTreeConsistencyCheckVisitor visitor)
 {
     if (currentRightmostNodeGeneration > newRightmostLeftSiblingPointerGeneration && currentRightmostNode != NO_NODE_FLAG)
     {
         // Generation of left sibling is larger than that of the pointer from right sibling
         // Left siblings view:  {_(9)}-(_)->{_}
         // Right siblings view: {_}<-(5)-{_(_)}
         visitor.pointerHasLowerGenerationThanNode(GBPTreePointerType.leftSibling(), newRightmostNode, newRightmostLeftSiblingPointerGeneration, newRightmostLeftSiblingPointer, currentRightmostNodeGeneration, _file);
     }
     if (currentRightmostRightSiblingPointerGeneration < newRightmostNodeGeneration && currentRightmostRightSiblingPointer != NO_NODE_FLAG)
     {
         // Generation of right sibling is larger than that of the pointer from left sibling
         // Left siblings view:  {_(_)}-(5)->{_}
         // Right siblings view: {_}<-(_)-{_(9)}
         visitor.pointerHasLowerGenerationThanNode(GBPTreePointerType.rightSibling(), currentRightmostNode, currentRightmostRightSiblingPointerGeneration, currentRightmostRightSiblingPointer, newRightmostNodeGeneration, _file);
     }
 }
Beispiel #2
0
 public static PageCorruption <KEY, VALUE> RightSiblingPointToNonExisting <KEY, VALUE>()
 {
     return((cursor, layout, node, treeState) => overwriteGSPP(cursor, GBPTreePointerType.rightSibling().offset(node), treeState.stableGeneration(), GenerationSafePointer.MAX_POINTER));
 }
Beispiel #3
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void crashPointer() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void CrashPointer()
        {
            Setup(GraphDatabaseSettings.SchemaIndex.NATIVE_BTREE10);
            MutableObject <long> targetNode = new MutableObject <long>();

            File[] indexFiles = SchemaIndexFiles();
            CorruptIndexes(false, (tree, inspection) =>
            {
                targetNode.Value = inspection.RootNode;
                tree.@unsafe(GBPTreeCorruption.pageSpecificCorruption(targetNode.Value, GBPTreeCorruption.crashed(GBPTreePointerType.rightSibling())));
            }, indexFiles);

            ConsistencyCheckService.Result result = RunConsistencyCheck();

            assertFalse("Expected store to be considered inconsistent.", result.Successful);
            AssertResultContainsMessage(result, "Crashed pointer found in tree node " + targetNode.Value);
        }
Beispiel #4
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void pointerHasLowerGenerationThanNode() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void PointerHasLowerGenerationThanNode()
        {
            Setup(GraphDatabaseSettings.SchemaIndex.NATIVE_BTREE10);
            MutableObject <long> targetNode   = new MutableObject <long>();
            MutableObject <long> rightSibling = new MutableObject <long>();

            File[] indexFiles = SchemaIndexFiles();
            CorruptIndexes(true, (tree, inspection) =>
            {
                ImmutableLongList leafNodes = inspection.LeafNodes;
                targetNode.Value            = leafNodes.get(0);
                rightSibling.Value          = leafNodes.get(1);
                tree.@unsafe(GBPTreeCorruption.pageSpecificCorruption(targetNode.Value, GBPTreeCorruption.rightSiblingPointerHasTooLowGeneration()));
            }, indexFiles);

            ConsistencyCheckService.Result result = RunConsistencyCheck();

            assertFalse("Expected store to be considered inconsistent.", result.Successful);
            AssertResultContainsMessage(result, string.Format("Pointer ({0}) in tree node {1:D} has pointer generation {2:D}, but target node {3:D} has a higher generation {4:D}.", GBPTreePointerType.rightSibling(), targetNode.Value, 1, rightSibling.Value, 4));
        }
Beispiel #5
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void rightmostNodeHasRightSibling() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void RightmostNodeHasRightSibling()
        {
            Setup(GraphDatabaseSettings.SchemaIndex.NATIVE_BTREE10);
            File[] indexFiles = SchemaIndexFiles();
            CorruptIndexes(true, (tree, inspection) =>
            {
                long root = inspection.RootNode;
                tree.@unsafe(GBPTreeCorruption.pageSpecificCorruption(root, GBPTreeCorruption.setPointer(GBPTreePointerType.rightSibling(), 10)));
            }, indexFiles);

            ConsistencyCheckService.Result result = RunConsistencyCheck();

            assertFalse("Expected store to be considered inconsistent.", result.Successful);
            AssertResultContainsMessage(result, "Expected rightmost node to have no right sibling but was 10");
        }
Beispiel #6
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldCleanMultipleCrashPerPage() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void ShouldCleanMultipleCrashPerPage()
        {
            // GIVEN
            Page[] pages = With(LeafWith(GBPTreeCorruption.Crashed(GBPTreePointerType.leftSibling()), GBPTreeCorruption.Crashed(GBPTreePointerType.rightSibling()), GBPTreeCorruption.Crashed(GBPTreePointerType.successor())), InternalWith(GBPTreeCorruption.Crashed(GBPTreePointerType.leftSibling()), GBPTreeCorruption.Crashed(GBPTreePointerType.rightSibling()), GBPTreeCorruption.Crashed(GBPTreePointerType.successor()), GBPTreeCorruption.Crashed(GBPTreePointerType.child(0))));
            InitializeFile(_pagedFile, pages);

            // WHEN
            SimpleCleanupMonitor monitor = new SimpleCleanupMonitor();

            CrashGenerationCleaner(_pagedFile, 0, pages.Length, monitor).clean(_executor);

            // THEN
            AssertPagesVisited(monitor, pages.Length);
            AssertCleanedCrashPointers(monitor, 7);
        }