public void Test_Data_Space_V2_Special_Parsing(
[Values(uObjects.DataSpaceType.Null,
uObjects.DataSpaceType.Scaler)]
uObjects.DataSpaceType aType)
{
using (Stream fTestSource = new MemoryStream())
using (BinaryWriter fWriter = new BinaryWriter(fTestSource))
{
fWriter.Write((byte)2); //Version 2
fWriter.Write((byte)0); //Dimensionality
fWriter.Write((byte)0x1); //Flags, Has Max
fWriter.Write((byte)aType);
fTestSource.Seek(0, SeekOrigin.Begin);
Mock <ndf5.Metadata.ISuperBlock>
fSuperBlock = new Mock <ndf5.Metadata.ISuperBlock>(MockBehavior.Loose);
fSuperBlock.SetupGet(a => a.SizeOfOffsets).Returns((byte)8);
fSuperBlock.SetupGet(a => a.SizeOfLengths).Returns((byte)8);
Hdf5Reader
fReader = new Hdf5Reader(fTestSource, fSuperBlock.Object);
//Act
long fRead;
uMessages.Message fTest = ndf5.Messages.Message.Read(
fReader,
uMessages.MessageType.Dataspace,
uMessages.MessageAttributeFlag.None,
null,
out fRead);
uMessages.Dataspace
fResult = fTest as uMessages.Dataspace;
//Assert
Assert.That(fResult,
Is.Not.Null,
"Incorrect Message Type returned");
Assert.That(fResult.Dimensions.Count,
Is.EqualTo(0),
"Incorrect Dimensions");
Assert.That(fRead,
Is.EqualTo(fTestSource.Position),
"Incorrect Read Bytes");
Assert.That(fResult.DataSpaceType,
Is.EqualTo(aType),
"Incorrect object type");
}
}
/// <summary>
/// Reads the message at the current location of an Hdf5Reader
/// </summary>
/// <returns>The message.</returns>
/// <param name="aReader">A reader.</param>
/// <param name="aReadFlags">Flags that describe how to handle this message</param>
/// <param name="aMessageType">Type of message to read</param>
/// <param name="aLocalMessageSize">Number of bytes to read</param>
/// <param name="aBytes">Number of bytes that were actually read</param>
public static Message Read(
Hdf5Reader aReader,
MessageType aMessageType,
MessageAttributeFlag aReadFlags,
long?aLocalMessageSize,
out long aBytes)
{
switch (aMessageType)
{
case MessageType.NIL:
aBytes = 0;
return(new Nil());
case MessageType.Dataspace:
return(Dataspace.Read(
aReader,
aLocalMessageSize,
out aBytes));
case MessageType.LinkInfo:
return(LinkInfo.Read(
aReader,
aLocalMessageSize,
out aBytes));
case MessageType.Datatype:
return(Datatype.Read(
aReader,
aLocalMessageSize,
out aBytes));
default:
if (aReadFlags.HasFlag(MessageAttributeFlag.MustUnderstandToRead))
{
throw new Exceptions.RequiredMessageNotUnderstood(
$"Message type {aMessageType} must be understood for this object to be valid");
}
break;
}
throw new NotImplementedException();//TODO: Add 'Not Undestood' message
}
public void Test_Data_Space_V2_Limited_Simple_Parsing(
[Values(2, 4, 8)] int aLengthBytes,
[Range(1, 5)] int aDims)
{
//Arrange
using (Stream fTestSource = new MemoryStream())
using (BinaryWriter fWriter = new BinaryWriter(fTestSource))
{
Action <Length> fWriteLength = null;
switch (aLengthBytes)
{
case 2:
fWriteLength = a => fWriter.Write((ushort)(a ?? ushort.MaxValue));
break;
case 4:
fWriteLength = a => fWriter.Write((uint)(a ?? uint.MaxValue));
break;
case 8:
fWriteLength = a => fWriter.Write((ulong)(a ?? ulong.MaxValue));
break;
}
fWriter.Write((byte)2); //Version 2
fWriter.Write((byte)aDims); //Dimensionality
fWriter.Write((byte)0x1); //Flags, Has Max
fWriter.Write((byte)uObjects.DataSpaceType.Simple);
for (int i = 0; i < aDims; ++i)
{
fWriteLength((ulong)TestDimensions[i].Size);
}
for (int i = 0; i < aDims; ++i)
{
fWriteLength((ulong?)TestDimensions[i].MaxSize);
}
fTestSource.Seek(0, SeekOrigin.Begin);
Mock <ndf5.Metadata.ISuperBlock>
fSuperBlock = new Mock <ndf5.Metadata.ISuperBlock>(MockBehavior.Loose);
fSuperBlock.SetupGet(a => a.SizeOfOffsets).Returns((byte)8);
fSuperBlock.SetupGet(a => a.SizeOfLengths).Returns((byte)aLengthBytes);
Hdf5Reader
fReader = new Hdf5Reader(fTestSource, fSuperBlock.Object);
//Act
long fRead;
uMessages.Message fTest = ndf5.Messages.Message.Read(
fReader,
uMessages.MessageType.Dataspace,
uMessages.MessageAttributeFlag.None,
null,
out fRead);
uMessages.Dataspace
fResult = fTest as uMessages.Dataspace;
//Assert
Assert.That(fResult,
Is.Not.Null,
"Incorrect Message Type returned");
Assert.That(fResult.Dimensions,
Is.EquivalentTo(TestDimensions.Take(aDims)),
"Incorrect Dimensions");
Assert.That(fRead,
Is.EqualTo(fTestSource.Position),
"Incorrect Read Bytes");
Assert.That(fResult.DataSpaceType,
Is.EqualTo(uObjects.DataSpaceType.Simple),
"Incorrect object type");
}
}
