public void TestReadChunk()
{
ByteArrayBuilder builder = new ByteArrayBuilder();
string firstChunk = "123";
string secondChunk = "ab";
string thirdChunk = "--+";
byte[] firstChunkBytes = GetBytesFromString(firstChunk);
byte[] secondChunkBytes = GetBytesFromString(secondChunk);
byte[] thirdChunkBytes = GetBytesFromString(thirdChunk);
builder.AddChunkReference(firstChunkBytes, 3);
builder.AddChunkReference(secondChunkBytes, 2);
builder.AddChunkReference(thirdChunkBytes, 3);
byte[] returnedBytes = builder.ReadChunk();
string returnedBytesString = Encoding.UTF8.GetString(returnedBytes);
Assert.AreEqual(firstChunk, returnedBytesString);
returnedBytes = builder.ReadChunk();
returnedBytesString = Encoding.UTF8.GetString(returnedBytes);
Assert.AreEqual(secondChunk, returnedBytesString);
//reset the current chunk
builder.ResetChunkPosition();
returnedBytes = builder.ReadChunk();
returnedBytesString = Encoding.UTF8.GetString(returnedBytes);
Assert.AreEqual(firstChunk, returnedBytesString);
//read to end
returnedBytes = builder.ReadChunk();
returnedBytes = builder.ReadChunk();
returnedBytes = builder.ReadChunk();
Assert.IsNull(returnedBytes);
//test that the builder resets to the beggining now
returnedBytes = builder.ReadChunk();
returnedBytesString = Encoding.UTF8.GetString(returnedBytes);
Assert.AreEqual(firstChunk, returnedBytesString);
}