public void Test_SixteenBit_Example() { //Arrange using (Stream fTestSource = new MemoryStream()) using (BinaryWriter fWriter = new BinaryWriter(fTestSource)) { fWriter.Write(new byte[] { 0x14, 0x08, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, }); 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 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( fReadBytes, Is.EqualTo(12), "Wrong number of bytes read"); Assert.That( fTestSource.Position, Is.EqualTo(12), "Wrong number of bytes read"); Assert.That( fResult.Class, Is.EqualTo(uMessages.DatatypeClass.BitField), "Incorrect Data class"); Assert.That( fResult.ByteOrdering, Is.EqualTo(ByteOrdering.LittleEndian), "Incorrect byte ordering"); Assert.That( fResult.LowPaddingBit, Is.EqualTo(0), "Incorrect low bit padding"); Assert.That( fResult.HighPaddingBit, Is.EqualTo(0), "Incorrect high bit padding"); Assert.That( fResult.Size, Is.EqualTo(2), "Incorrect Data Element Size"); Assert.That( fResult.BitOffset, Is.EqualTo(0), "Incorrect bit offset"); Assert.That( fResult.BitPrecision, Is.EqualTo(16), "Incorrect bit precision"); } } }
public void Test_Basic_Parsing( [Values] uMessages.DatatypeVersion aVersion, [Values(ByteOrdering.BigEndian, ByteOrdering.LittleEndian)] ByteOrdering aByteOrdering, [Values(0, 1)] byte aLowPaddingBit, [Values(0, 1)] byte aHighPaddingBit, [Values((uint)0, (uint)0xffffffff), Random(1)] uint aSize, [Values((ushort)0, (ushort)0xffff), Random(1)] ushort aBitOffset, [Values((ushort)0, (ushort)0xffff), Random(1)] ushort aBitPrecision) { //Arrange using (Stream fTestSource = new MemoryStream()) using (BinaryWriter fWriter = new BinaryWriter(fTestSource)) { fWriter.Write((byte)(((byte)aVersion << 4) | (byte)0x04)); fWriter.Write( (byte)((aByteOrdering == ByteOrdering.BigEndian ? 1 : 0) | (aLowPaddingBit << 1) | (aHighPaddingBit << 2))); fWriter.Write((byte)0); fWriter.Write((byte)0); fWriter.Write(aSize); fWriter.Write(aBitOffset); fWriter.Write(aBitPrecision); 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, aByteOrdering, aHighPaddingBit, aLowPaddingBit, aBitOffset, aBitPrecision), 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, aByteOrdering, aHighPaddingBit, aLowPaddingBit, aBitOffset, (ushort)(aBitPrecision + 1))), "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(12), "Wrong number of bytes read"); Assert.That( fTestSource.Position, Is.EqualTo(12), "Wrong number of bytes read"); Assert.That( fResult.Class, Is.EqualTo(uMessages.DatatypeClass.BitField), "Incorrect Data class"); Assert.That( fResult.ByteOrdering, Is.EqualTo(aByteOrdering), "Incorrect byte ordering"); Assert.That( fResult.LowPaddingBit, Is.EqualTo(aLowPaddingBit), "Incorrect low bit padding"); Assert.That( fResult.HighPaddingBit, Is.EqualTo(aHighPaddingBit), "Incorrect high bit padding"); Assert.That( fResult.Size, Is.EqualTo(aSize), "Incorrect Data Element Size"); Assert.That( fResult.BitOffset, Is.EqualTo(aBitOffset), "Incorrect bit offset"); Assert.That( fResult.BitPrecision, Is.EqualTo(aBitPrecision), "Incorrect bit precision"); } } }
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); }