public virtual void TestGetMetaData()
{
SimulatedFSDataset fsdataset = GetSimulatedFSDataset();
ExtendedBlock b = new ExtendedBlock(bpid, 1, 5, 0);
try
{
NUnit.Framework.Assert.IsTrue(fsdataset.GetMetaDataInputStream(b) == null);
NUnit.Framework.Assert.IsTrue("Expected an IO exception", false);
}
catch (IOException)
{
}
// ok - as expected
AddSomeBlocks(fsdataset);
// Only need to add one but ....
b = new ExtendedBlock(bpid, 1, 0, 0);
InputStream metaInput = fsdataset.GetMetaDataInputStream(b);
DataInputStream metaDataInput = new DataInputStream(metaInput);
short version = metaDataInput.ReadShort();
NUnit.Framework.Assert.AreEqual(BlockMetadataHeader.Version, version);
DataChecksum checksum = DataChecksum.NewDataChecksum(metaDataInput);
NUnit.Framework.Assert.AreEqual(DataChecksum.Type.Null, checksum.GetChecksumType(
));
NUnit.Framework.Assert.AreEqual(0, checksum.GetChecksumSize());
}