public void StringExcedesBufferCapacity()
{
DataOutput dataOutput = new DataOutput();
// Chcek that native buffer is unused and get initial capacity.
Assert.AreEqual(0, dataOutput.BufferLength);
int bufferSize = dataOutput.GetRemainingBufferLength();
// New string equal to buffer capacity.
string s = "".PadRight(bufferSize, 'a');
dataOutput.WriteUTF(s);
// Checks native buffer capacity, remaining length should be capacity since wrapper has not flushed to native yet.
Assert.GreaterOrEqual(dataOutput.GetRemainingBufferLength(), bufferSize + 2, "Buffer should have been resized to account for string + 2 bytes of length");
// Forces native buffer to be updated and gets length of used buffers.
Assert.AreEqual(bufferSize + 2, dataOutput.BufferLength, "Buffer length should be string plus 2 bytes for length.");
}