internal static Datatype Read( Hdf5Reader aReader, long?aLocalMessageSize, out long aBytes) { if (aLocalMessageSize.HasValue && aLocalMessageSize.Value < DatatypeHeader.HeaderSize) { throw new ArgumentException("Specified Local Message Size not long enough"); } DatatypeHeader fHeader = DatatypeHeader.Read(aReader); Datatype fMessage; long fAdditionalBytes; long? fBodySize = aLocalMessageSize.HasValue ? (long?)aLocalMessageSize.Value - DatatypeHeader.HeaderSize : null; switch (fHeader.Class) { case DatatypeClass.FixedPoint: fMessage = FixedPointDataType.ReadMessage( fHeader, aReader, fBodySize, out fAdditionalBytes); break; case DatatypeClass.FloatingPoint: fMessage = FloatingPointDataType.ReadMessage( fHeader, aReader, fBodySize, out fAdditionalBytes); break; case DatatypeClass.Time: fMessage = TimeDataType.ReadMessage( fHeader, aReader, fBodySize, out fAdditionalBytes); break; case DatatypeClass.String: fMessage = StringDataType.ReadMessage( fHeader, aReader, fBodySize, out fAdditionalBytes); break; case DatatypeClass.BitField: fMessage = BitFieldDataType.ReadMessage( fHeader, aReader, fBodySize, out fAdditionalBytes); break; case DatatypeClass.Opaque: fMessage = OpaqueDataType.ReadMessage( fHeader, aReader, fBodySize, out fAdditionalBytes); break; case DatatypeClass.Array: fMessage = ArrayDataType.ReadMessage( fHeader, aReader, fBodySize, out fAdditionalBytes); break; default: // We shoudl never git her, as header parsing should check // for known versions of the header throw new Exception("Unexpected Version Type"); } aBytes = DatatypeHeader.HeaderSize + fAdditionalBytes; return(fMessage); }
public void Test_Basic_Parsing( [Values] uMessages.DatatypeVersion aVersion, [Values((uint)0, (uint)0xffffffff), Random(1)] uint aSize, [Values("", "a", "A", ".", "abc123", "!@#$1234%^&*()67890")] string aName) { using (Stream fTestSource = new MemoryStream()) using (BinaryWriter fWriter = new BinaryWriter(fTestSource)) { byte[] fTagBytes = Encoding.ASCII.GetBytes(aName); int fPadding = 8 - (fTagBytes.Length & 0x7), fLength = fTagBytes.Length + fPadding; //Verifying this test Assert.That(fLength % 8, Is.EqualTo(0)); fWriter.Write((byte)(((byte)aVersion << 4) | (byte)0x05)); fWriter.Write((byte)fLength); fWriter.Write((byte)0); fWriter.Write((byte)0); fWriter.Write(aSize); fWriter.Write(fTagBytes); fWriter.Write(Enumerable.Repeat((byte)0, fPadding).ToArray()); fTestSource.Seek(0, SeekOrigin.Begin); Moq.Mock <ndf5.Metadata.ISuperBlock> fSuperblock = new Moq.Mock <ndf5.Metadata.ISuperBlock>( Moq.MockBehavior.Loose); using (Hdf5Reader fReader = new Hdf5Reader( fTestSource, fSuperblock.Object)) { long fReadBytes; uTest fExpected = new uTest( aSize, aName), fResult = ndf5.Messages.Message.Read( fReader, uMessages.MessageType.Datatype, uMessages.MessageAttributeFlag.None, null, out fReadBytes) as uTest; Assert.That( fResult, Is.Not.Null, "Incorrect Message Type returned"); Assert.That( fResult, Is.EqualTo(fExpected), "Equality check failed"); Assert.That( fResult, Is.Not.EqualTo(new uTest( aSize, aName + "Fail")), "Inequality Check Failed"); Assert.That( fResult, Is.Not.EqualTo(null), "Null Inequality Check Failed"); Assert.That( fResult.GetHashCode(), Is.EqualTo(fExpected.GetHashCode()), "Hash Code Equality check failed"); Assert.That( fReadBytes, Is.EqualTo(fLength + 8), "Wrong number of bytes read"); Assert.That( fTestSource.Position, Is.EqualTo(fLength + 8), "Wrong number of bytes read"); Assert.That( fReadBytes % 8, Is.EqualTo(0), "Read should be a mutiple of 8"); Assert.That( fResult.Size, Is.EqualTo(aSize), "Incorrect Data Element Size"); Assert.That( fResult.AsciiTag, Is.EqualTo(aName), "Incorrect Ascii Tag"); } } }