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>(() =>
pTable.TryGetLatestEntry(GetOriginalHash(numIndexEntries / 2, version), out entry));
pTable.Dispose();
}
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, 1, skipIndexVerify);
long position;
Assert.Throws <MaybeCorruptIndexException>(() =>
pTable.TryGetOneValue(GetOriginalHash(numIndexEntries / 2, version), 1, out position));
pTable.Dispose();
}
public override void TestFixtureSetUp()
{
base.TestFixtureSetUp();
var header = new PTableHeader(1);
using (var f = File.Open(Filename, FileMode.OpenOrCreate)) {
f.Seek(0, SeekOrigin.Begin);
var bytes = header.AsByteArray();
f.Write(bytes, 0, bytes.Length);
var size = (long)(uint.MaxValue + 10000000L) * (long)PTable.IndexEntrySize + PTableHeader.Size + PTable.MD5Size;
Console.WriteLine("allocating file " + Filename + " size is " + size);
f.SetLength(size);
Console.WriteLine("file allocated");
}
_ptable = PTable.FromFile(Filename, 22);
}
public void setup()
{
_filename = Path.GetRandomFileName();
_copiedfilename = Path.GetRandomFileName();
var mtable = new HashListMemTable(maxSize: 2000);
mtable.Add(0x0101, 0x0001, 0x0001);
mtable.Add(0x0105, 0x0001, 0x0002);
_table = PTable.FromMemtable(mtable, _filename);
File.Copy(_filename, _copiedfilename);
_table.MarkForDestruction();
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 void 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(22, SeekOrigin.Begin);
f.WriteByte(0x22);
}
_table = PTable.FromFile(_copiedfilename, 16);
}
public void same_midpoints_are_loaded_when_enabling_or_disabling_index_verification()
{
for (int depth = 2; depth <= 20; depth++)
{
var ptableWithMD5Verification = PTable.FromFile(_copiedfilename, depth, false);
var ptableWithoutVerification = PTable.FromFile(_copiedfilename, depth, true);
var midPoints1 = ptableWithMD5Verification.GetMidPoints();
var midPoints2 = ptableWithoutVerification.GetMidPoints();
Assert.AreEqual(midPoints1.Length, midPoints2.Length);
for (var i = 0; i < midPoints1.Length; i++)
{
Assert.AreEqual(midPoints1[i].ItemIndex, midPoints2[i].ItemIndex);
Assert.AreEqual(midPoints1[i].Key.Stream, midPoints2[i].Key.Stream);
Assert.AreEqual(midPoints1[i].Key.Version, midPoints2[i].Key.Version);
}
ptableWithMD5Verification.Dispose();
ptableWithoutVerification.Dispose();
}
}
public void the_hash_is_invalid()
{
var exc = Assert.Throws <CorruptIndexException>(() => PTable.FromFile(_copiedfilename, Constants.PTableInitialReaderCount, Constants.PTableMaxReaderCountDefault, 16, false));
Assert.IsInstanceOf <HashValidationException>(exc.InnerException);
}
public void the_invalid_file_exception_is_thrown()
{
var exc = Assert.Throws <CorruptIndexException>(() => PTable.FromFile(Filename, 16, false));
Assert.IsInstanceOf <InvalidFileException>(exc.InnerException);
}
public void no_error_if_index_verification_disabled()
{
Assert.DoesNotThrow(
() => _table = PTable.FromFile(_copiedfilename, 16, true)
);
}
public void the_hash_is_invalid()
{
var exc = Assert.Throws <CorruptIndexException>(() => _table = PTable.FromFile(_copiedfilename, 16, false));
Assert.IsInstanceOf <HashValidationException>(exc.InnerException);
}
public void no_error_if_index_verification_disabled()
{
Assert.DoesNotThrow(
() => _table = PTable.FromFile(_copiedfilename, Constants.PTableInitialReaderCount, Constants.PTableMaxReaderCountDefault, 16, true)
);
}
public void the_invalid_file_exception_is_thrown()
{
var exc = Assert.Throws <CorruptIndexException>(() => PTable.FromFile(Filename, Constants.PTableInitialReaderCount, Constants.PTableMaxReaderCountDefault, 16, false));
Assert.IsInstanceOf <InvalidFileException>(exc.InnerException);
}