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] bool
aIsSigned,
[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));
fWriter.Write((byte)(
(aByteOrdering == ByteOrdering.BigEndian ? 1 : 0) |
(aLowPaddingBit << 1) |
(aHighPaddingBit << 2) |
(aIsSigned ? 0x8 : 0)));
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,
aIsSigned,
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,
aIsSigned,
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.FixedPoint),
"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.IsSigned,
Is.EqualTo(aIsSigned),
"Incorrect value for IsSigned");
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);
}
public void Test_SixteenBit_Example()
{
//Arrange
using (Stream fTestSource = new MemoryStream())
using (BinaryWriter fWriter = new BinaryWriter(fTestSource))
{
fWriter.Write(new byte[] {
0x10, 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.FixedPoint),
"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.IsSigned,
Is.EqualTo(true),
"Incorrect value for IsSigned");
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 static void Test_V2_Parse(
[Random(2, Distinct = true)] int aSize,
[Values(1, 2, 12, 37, 42)] int aDimCount)
{
uint
fSize = (uint)aSize;
using (Stream fTestSource = new MemoryStream())
using (BinaryWriter fWriter = new BinaryWriter(fTestSource))
{
fWriter.Write((byte)(((byte)DatatypeVersion.Version2 << 4) | 0x0A));
fWriter.Write((byte)0);
fWriter.Write((byte)0);
fWriter.Write((byte)0);
fWriter.Write(fSize);
fWriter.Write((byte)aDimCount);
fWriter.Write((byte)0);
fWriter.Write((byte)0);
fWriter.Write((byte)0);
System.Random
fRandom = new Random();
List <uint>
fDimensions = new List <uint>();
for (int fIndex = 0; fIndex < aDimCount; ++fIndex)
{
uint
fRnd = (uint)fRandom.Next();
fWriter.Write(fRnd);
fDimensions.Add(fRnd);
}
for (int fIndex = 0; fIndex < aDimCount; ++fIndex)
{
fWriter.Write((uint)fIndex);
}
//BaseType is a 16 bit fixed point
fWriter.Write(new byte[] {
0x10, 0x08, 0x00, 0x00,
0x02, 0x00, 0x00, 0x00,
0x00, 0x00, 0x10, 0x00,
});
ndf5.Messages.Datatype
fBaseType = new ndf5.Messages.FixedPointDataType(
2,
Objects.ByteOrdering.LittleEndian,
0,
0,
true,
0,
16),
fNonEqualBaseType = new ndf5.Messages.FixedPointDataType(
4,
Objects.ByteOrdering.LittleEndian,
0,
0,
true,
0,
32);
fTestSource.Seek(0L, 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(
fDimensions.ToArray(),
fBaseType,
fSize),
fResult = ndf5.Messages.Message.Read(
fReader,
MessageType.Datatype,
MessageAttributeFlag.None,
null,
out fReadBytes) as uTest;
Assert.That(
fResult,
Is.EqualTo(fExpected),
"Equality check failed");
Assert.That(
fResult.BaseType,
Is.EqualTo(fBaseType),
"Incorrect Base Type");
Assert.That(
fResult.DimensionSizes.ToArray(),
Is.EquivalentTo(fDimensions.ToArray()),
"Incorrect Dimensions");
Assert.That(
fResult.Size,
Is.EqualTo(fSize),
"Incorrect Size");
Assert.That(
fResult,
Is.Not.EqualTo(
new uTest(
fDimensions.Concat(new uint[] { 1 }).ToArray(),
fBaseType,
fSize)),
"Inequality check failed (Dimensions)");
Assert.That(
fResult,
Is.Not.EqualTo(
new uTest(
fDimensions.ToArray(),
fNonEqualBaseType,
fSize)),
"Inequality check failed (Base Type)");
Assert.That(
fResult,
Is.Not.EqualTo(
new uTest(
fDimensions.ToArray(),
fBaseType,
fSize + 1)),
"Inequality check failed (Size)");
}
}
}