private void construct_valid_cache_for_any_combination_of_params(int maxIndexEntries)
{
var rnd = new Random(123987);
for (int count = 0; count < maxIndexEntries; ++count)
{
for (int depth = 0; depth < 15; ++depth)
{
PTable ptable = null;
try
{
Log.Trace("Creating PTable with count {0}, depth {1}", count, depth);
ptable = ConstructPTable(GetFilePathFor(string.Format("{0}-{1}-indexv{2}.ptable", count, depth, _ptableVersion)), count, rnd, depth);
ValidateCache(ptable.GetMidPoints(), count, depth);
}
finally
{
if (ptable != null)
{
ptable.Dispose();
}
}
}
}
}
public override Task TestFixtureTearDown()
{
_oldTable.Dispose();
_newtable.Dispose();
return(base.TestFixtureTearDown());
}
public void when_ptable_hash_is_corrupted()
{
_ptable.Dispose();
_ptable = null;
using (var fs = File.Open(_ptableFileName, FileMode.Open))
{
fs.Seek(-PTable.MD5Size, SeekOrigin.End);
var b = (byte)fs.ReadByte();
b ^= 1;
fs.Seek(-PTable.MD5Size, SeekOrigin.End);
fs.WriteByte(b);
}
Assert.Throws <CorruptIndexException>(() => IndexMap.FromFile(_indexMapFileName, x => false, 2));
}
public override void TestFixtureTearDown()
{
_oldTable.Dispose();
_newtable.Dispose();
base.TestFixtureTearDown();
}
public override void SetUp()
{
base.SetUp();
_filename = GetTempFilePath();
_copiedfilename = GetTempFilePath();
var mtable = new HashListMemTable(_ptableVersion, maxSize: 1024);
long logPosition = 0;
long eventNumber = 1;
ulong streamId = 0x010100000000;
for (var i = 0; i < 1337; i++)
{
logPosition++;
if (i % 37 == 0)
{
streamId -= 0x1337;
eventNumber = 1;
}
else
{
eventNumber++;
}
mtable.Add(streamId, eventNumber, logPosition);
}
_table = PTable.FromMemtable(mtable, _filename, skipIndexVerify: _skipIndexVerify);
_table.Dispose();
File.Copy(_filename, _copiedfilename);
}
public override void TestFixtureTearDown()
{
_newtable.Dispose();
foreach (var ssTable in _tables)
{
ssTable.Dispose();
}
base.TestFixtureTearDown();
}
public override Task TestFixtureTearDown()
{
_newtable.Dispose();
foreach (var ssTable in _tables)
{
ssTable.Dispose();
}
return(base.TestFixtureTearDown());
}
public void throw_exception_if_index_entries_not_descending_during_ptable_get_range_2(byte version, bool skipIndexVerify)
{
string ptableFileName = ConstructPTable(version);
CorruptPTableFile(ptableFileName, version, "maxOutMiddleEntries");
//loading with a depth of 1 should load only 2 midpoints (first and last index entry)
PTable pTable = PTable.FromFile(ptableFileName, 1, skipIndexVerify);
Assert.Throws <MaybeCorruptIndexException>(() => pTable.GetRange(GetOriginalHash(numIndexEntries / 2, version), 1, 1));
pTable.Dispose();
}
public void Teardown()
{
_newtable.Dispose();
foreach (var ssTable in _tables)
{
ssTable.Dispose();
}
foreach (var f in _files)
{
File.Delete(f);
}
}
public void throw_exception_if_index_entries_not_descending_during_ptable_get_one_value_2(byte version,
bool skipIndexVerify)
{
string ptableFileName = ConstructPTable(version);
CorruptPTableFile(ptableFileName, version, "maxOutMiddleEntries");
//loading with a depth of 1 should load only 2 midpoints (first and last index entry)
PTable pTable = PTable.FromFile(ptableFileName, Constants.PTableInitialReaderCount, Constants.PTableMaxReaderCountDefault, 1, skipIndexVerify);
long position;
Assert.Throws <MaybeCorruptIndexException>(() =>
pTable.TryGetOneValue(GetOriginalHash(numIndexEntries / 2, version), 1, out position));
pTable.Dispose();
}
public void throw_exception_if_index_entries_not_descending_during_ptable_get_latest_entry(byte version,
bool skipIndexVerify)
{
string ptableFileName = ConstructPTable(version);
CorruptPTableFile(ptableFileName, version, "zeroOutMiddleEntries");
//loading with a depth of 1 should load only 2 midpoints (first and last index entry)
PTable pTable = PTable.FromFile(ptableFileName, Constants.PTableInitialReaderCount, Constants.PTableMaxReaderCountDefault, 1, skipIndexVerify);
IndexEntry entry;
Assert.Throws <MaybeCorruptIndexException>(() =>
// changed 2 to 4 here because the corruption actually removes the stream at /2, so it isn't in the bloom filter
pTable.TryGetLatestEntry(GetOriginalHash(numIndexEntries / 4, version), out entry));
pTable.Dispose();
}
public void Setup()
{
_filename = GetTempFilePath();
_copiedfilename = GetTempFilePath();
var mtable = new HashListMemTable(_ptableVersion, maxSize: 10);
mtable.Add(0x010100000000, 0x0001, 0x0001);
mtable.Add(0x010500000000, 0x0001, 0x0002);
_table = PTable.FromMemtable(mtable, _filename);
_table.Dispose();
File.Copy(_filename, _copiedfilename);
using (var f = new FileStream(_copiedfilename, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite)) {
f.Seek(22, SeekOrigin.Begin);
f.WriteByte(0x22);
}
}
public override async Task SetUp()
{
await base.SetUp();
_filename = GetTempFilePath();
_copiedfilename = GetTempFilePath();
var mtable = new HashListMemTable(_ptableVersion, maxSize: 10);
mtable.Add(0x010100000000, 0x0001, 0x0001);
mtable.Add(0x010500000000, 0x0001, 0x0002);
_table = PTable.FromMemtable(mtable, _filename, Constants.PTableInitialReaderCount, Constants.PTableMaxReaderCountDefault);
_table.Dispose();
File.Copy(_filename, _copiedfilename);
using (var f = new FileStream(_copiedfilename, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite)) {
f.Seek(130, SeekOrigin.Begin);
f.WriteByte(0x22);
}
}
public override void SetUp()
{
base.SetUp();
_filename = GetTempFilePath();
_copiedfilename = GetTempFilePath();
var mtable = new HashListMemTable(maxSize: 10);
mtable.Add(0x0101, 0x0001, 0x0001);
mtable.Add(0x0105, 0x0001, 0x0002);
_table = PTable.FromMemtable(mtable, _filename);
_table.Dispose();
File.Copy(_filename, _copiedfilename);
using (var f = new FileStream(_copiedfilename, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite))
{
f.Seek(130, SeekOrigin.Begin);
f.WriteByte(0x22);
}
_table = PTable.FromFile(_copiedfilename);
}
public override void TearDown()
{
PTable.Dispose();
base.TearDown();
}
public void Teardown()
{
PTable.Dispose();
File.Delete(_filename);
}