public void ContinuousMemoryBlockWriterBasicsWorks()
{
var byteArrayWriter = new ContinuousMemoryBlockWriter();
Assert.Equal(0, byteArrayWriter.GetCurrentPositionWithoutWriter());
Assert.Equal(Array.Empty <byte>(), byteArrayWriter.GetSpan().ToArray());
Assert.Equal(Array.Empty <byte>(), byteArrayWriter.GetByteBuffer().ToByteArray());
var writer = new SpanWriter(byteArrayWriter);
writer.WriteInt8(42);
writer.Sync();
Assert.Equal(1, byteArrayWriter.GetCurrentPositionWithoutWriter());
Assert.Equal(new byte[] { 42 }, byteArrayWriter.GetSpan().ToArray());
Assert.Equal(new byte[] { 42 }, byteArrayWriter.GetByteBuffer().ToByteArray());
writer.WriteInt8(1);
Assert.Equal(2, writer.GetCurrentPosition());
writer.SetCurrentPosition(1);
writer.WriteBlock(new byte[] { 43, 44 });
writer.Sync();
Assert.Equal(3, byteArrayWriter.GetCurrentPositionWithoutWriter());
Assert.Equal(new byte[] { 42, 43, 44 }, byteArrayWriter.GetSpan().ToArray());
Assert.Equal(new byte[] { 42, 43, 44 }, byteArrayWriter.GetByteBuffer().ToByteArray());
}
