//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void scanningRecordsShouldVisitEachInUseRecordOnce() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ScanningRecordsShouldVisitEachInUseRecordOnce()
{
// GIVEN we have a NodeStore with data that spans several pages...
EphemeralFileSystemAbstraction fs = _efs.get();
_nodeStore = NewNodeStore(fs);
ThreadLocalRandom rng = ThreadLocalRandom.current();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.eclipse.collections.api.set.primitive.MutableLongSet nextRelSet = new org.eclipse.collections.impl.set.mutable.primitive.LongHashSet();
MutableLongSet nextRelSet = new LongHashSet();
for (int i = 0; i < 10_000; i++)
{
// Enough records to span several pages
int nextRelCandidate = rng.Next(0, int.MaxValue);
if (nextRelSet.add(nextRelCandidate))
{
long nodeId = _nodeStore.nextId();
NodeRecord record = new NodeRecord(nodeId, false, nextRelCandidate, 20, true);
_nodeStore.updateRecord(record);
if (rng.Next(0, 10) < 3)
{
nextRelSet.remove(nextRelCandidate);
record.InUse = false;
_nodeStore.updateRecord(record);
}
}
}
// ...WHEN we now have an interesting set of node records, and we
// visit each and remove that node from our nextRelSet...
Visitor <NodeRecord, IOException> scanner = record =>
{
// ...THEN we should observe that no nextRel is ever removed twice...
assertTrue(nextRelSet.remove(record.NextRel));
return(false);
};
_nodeStore.scanAllRecords(scanner);
// ...NOR do we have anything left in the set afterwards.
assertTrue(nextRelSet.Empty);
}