private ISet <long> CollectGeneratedIds(ReplicatedIdGenerator idGenerator, long expectedIds)
{
ISet <long> idsGenerated = new HashSet <long>();
long nextId;
for (int i = 0; i < expectedIds; i++)
{
nextId = idGenerator.NextId();
assertThat(nextId, greaterThanOrEqualTo(0L));
idsGenerated.Add(nextId);
}
try
{
idGenerator.NextId();
fail("Too many ids produced, expected " + expectedIds);
}
catch (NoMoreIds)
{
// rock and roll!
}
return(idsGenerated);
}
private void ConsecutiveAllocationFromSeparateIdGeneratorsForSameIdTypeShouldNotDuplicateForGivenInitialHighId(long initialHighId)
{
ISet <long> idAllocations = new HashSet <long>();
int idRangeLength = 8;
FileSystemAbstraction fs = DefaultFileSystemRule.get();
File generatorFile1 = TestDirectory.file("gen1");
File generatorFile2 = TestDirectory.file("gen2");
using (ReplicatedIdGenerator generatorOne = CreateForMemberWithInitialIdAndRangeLength(_memberA, initialHighId, idRangeLength, fs, generatorFile1), ReplicatedIdGenerator generatorTwo = CreateForMemberWithInitialIdAndRangeLength(_memberB, initialHighId, idRangeLength, fs, generatorFile2), )
{
// First iteration is bootstrapping the set, so we do it outside the loop to avoid an if check in there
long newId = generatorOne.NextId();
idAllocations.Add(newId);
for (int i = 1; i < idRangeLength - initialHighId; i++)
{
newId = generatorOne.NextId();
bool wasNew = idAllocations.Add(newId);
assertTrue("Id " + newId + " has already been returned", wasNew);
assertTrue("Detected gap in id generation, missing " + (newId - 1), idAllocations.Contains(newId - 1));
}
for (int i = 0; i < idRangeLength; i++)
{
newId = generatorTwo.NextId();
bool wasNew = idAllocations.Add(newId);
assertTrue("Id " + newId + " has already been returned", wasNew);
assertTrue("Detected gap in id generation, missing " + (newId - 1), idAllocations.Contains(newId - 1));
}
}
}
