public void TestIonWriterContractWriteValue()
{
IIonValue ionHashTests = loader.Load(file);
byte[] expected = ExerciseWriter(IonReaderBuilder.Build(ionHashTests), false, (r, w) => { r.MoveNext(); w.WriteValue(r); });
byte[] actual = ExerciseWriter(IonReaderBuilder.Build(ionHashTests), true, (r, w) => { r.MoveNext(); w.WriteValue(r); });
Assert.IsTrue(expected.Length > 10);
Assert.IsTrue(actual.Length > 10);
TestUtil.AssertEquals(expected, actual, "Byte arrays mismatch.");
}
public void TestUnresolvedSid()
{
// unresolved SIDs (such as SID 10 here) should result in an exception
IIonValue ionContainer = loader.Load("(0xd3 0x8a 0x21 0x01)");
byte[] ionBinary = IonHashTest.ContainerToBytes(ionContainer.GetElementAt(0));
IIonHashReader ihr = IonHashReaderBuilder
.Standard()
.WithHasherProvider(new IdentityIonHasherProvider())
.WithReader(IonReaderBuilder.Build(ionBinary))
.Build();
ihr.MoveNext();
Assert.ThrowsException <UnknownSymbolException>(() => ihr.MoveNext());
}
public Entity(Stream stream, int id, int type, ISymbolTable symbolTable, IonLoader loader)
{
using var reader = new BinaryReader(stream, Encoding.UTF8, true);
Signature = Encoding.ASCII.GetString(reader.ReadBytes(4));
if (Signature != EntitySignature)
{
throw new Exception("Invalid signature");
}
Version = reader.ReadUInt16();
if (!_allowedVersions.Contains(Version))
{
throw new Exception($"Version not supported ({Version})");
}
Length = reader.ReadUInt32();
if (Length < MinHeaderLength)
{
throw new Exception("Header too short");
}
// Duplicated in KfxContainer
// 10 = number of bytes read so far
var containerInfoData = new MemoryStream(stream.ReadBytes((int)Length - 10));
var entityInfo = loader.LoadSingle <IonStruct>(containerInfoData);
if (entityInfo == null)
{
throw new Exception("Bad container or something");
}
var compressionType = entityInfo.GetField(KfxSymbols.BcComprType).IntValue;
if (compressionType != KfxContainer.DefaultCompressionType)
{
throw new Exception($"Unexpected bcComprType ({compressionType})");
}
var drmScheme = entityInfo.GetField(KfxSymbols.BcDrmScheme).IntValue;
if (drmScheme != KfxContainer.DefaultDrmScheme)
{
throw new Exception($"Unexpected bcDRMScheme ({drmScheme})");
}
FragmentId = symbolTable.FindKnownSymbol(id);
FragmentType = symbolTable.FindKnownSymbol(type);
Value = RawFragmentTypes.Contains(FragmentType)
? new IonBlob(new ReadOnlySpan <byte>(stream.ReadToEnd()))
: ((IonDatagram)loader.Load(stream.ReadToEnd())).Single();
// Skipping annotation handling for now
//if ftype == fid and ftype in ROOT_FRAGMENT_TYPES and not self.pure:
//fid = "$348"
//return YJFragment(fid = fid if fid != "$348" else None, ftype = ftype, value = self.value)
}