public BufferHandle Retain(bool pin = false)
{
BufferHandle bufferHandle;
if (pin)
{
if (_owner != null)
{
bufferHandle = _owner.Pin(_index);
}
else
{
var handle = GCHandle.Alloc(_array, GCHandleType.Pinned);
unsafe
{
var pointer = OwnedBuffer <T> .Add((void *)handle.AddrOfPinnedObject(), _index);
bufferHandle = new BufferHandle(null, pointer, handle);
}
}
}
else
{
if (_owner != null)
{
_owner.Retain();
}
bufferHandle = new BufferHandle(_owner);
}
return(bufferHandle);
}
static void Dispose(OwnedBuffer <byte> buffer)
{
var length = buffer.Length;
buffer.Dispose();
Assert.True(buffer.IsDisposed);
Assert.False(buffer.IsRetained);
Assert.ThrowsAny <ObjectDisposedException>(() =>
{
buffer.AsSpan();
});
Assert.ThrowsAny <ObjectDisposedException>(() =>
{
buffer.AsSpan(0, length);
});
Assert.ThrowsAny <ObjectDisposedException>(() =>
{
buffer.Pin();
});
Assert.ThrowsAny <ObjectDisposedException>(() =>
{
var rwBuffer = buffer.Buffer;
});
Assert.ThrowsAny <ObjectDisposedException>(() =>
{
var roBuffer = buffer.ReadOnlyBuffer;
});
}