/// <exception cref="System.Exception"/>
public virtual void TestPreVersion21CompatibilityEmptyTuple()
{
Writable[] manyWrits = new Writable[0];
TestTupleWritable.PreVersion21TupleWritable oldTuple = new TestTupleWritable.PreVersion21TupleWritable
(manyWrits);
// don't set any values written
ByteArrayOutputStream @out = new ByteArrayOutputStream();
oldTuple.Write(new DataOutputStream(@out));
ByteArrayInputStream @in = new ByteArrayInputStream(@out.ToByteArray());
TupleWritable dTuple = new TupleWritable();
dTuple.ReadFields(new DataInputStream(@in));
NUnit.Framework.Assert.IsTrue("Tuple writable is unable to read pre-0.21 versions of TupleWritable"
, oldTuple.IsCompatible(dTuple));
NUnit.Framework.Assert.AreEqual("All tuple data has not been read from the stream"
, -1, @in.Read());
}
/// <summary>Tests compatibility with pre-0.21 versions of TupleWritable</summary>
/// <exception cref="System.Exception"/>
public virtual void TestPreVersion21Compatibility()
{
Writable[] manyWrits = MakeRandomWritables(64);
TestTupleWritable.PreVersion21TupleWritable oldTuple = new TestTupleWritable.PreVersion21TupleWritable
(manyWrits);
for (int i = 0; i < manyWrits.Length; i++)
{
if (i % 3 == 0)
{
oldTuple.SetWritten(i);
}
}
ByteArrayOutputStream @out = new ByteArrayOutputStream();
oldTuple.Write(new DataOutputStream(@out));
ByteArrayInputStream @in = new ByteArrayInputStream(@out.ToByteArray());
TupleWritable dTuple = new TupleWritable();
dTuple.ReadFields(new DataInputStream(@in));
NUnit.Framework.Assert.IsTrue("Tuple writable is unable to read pre-0.21 versions of TupleWritable"
, oldTuple.IsCompatible(dTuple));
NUnit.Framework.Assert.AreEqual("All tuple data has not been read from the stream"
, -1, @in.Read());
}
