internal unsafe static void ReadFromStream(Stream stream, out PVSNode ret)
{
ByteBufferNode node = NetByteArrayPool.GetByteBufferNode(Marshal.SizeOf(typeof(PVSNode)));
try {
stream.Read(node.Buffer, 0, node.DataSize);
PVSNode p;
System.IntPtr dstPtr = (System.IntPtr)(&p);
Marshal.Copy(node.Buffer, 0, dstPtr, node.DataSize);
ret = p;
} finally {
node.Dispose();
}
}
public void TestBufferBlock()
{
var data = new byte[checkCount];
for (int i = 0; i < data.Length; i++)
{
data[i] = Rand.Default.RandByte();
}
var block = new BlockBuffer();
int offset = 0;
Assert.IsTrue(block.IsEmpty);
while (offset < data.Length)
{
int size = Rand.Default.RandInt(data.Length - offset + 1);
if (size > 0)
{
var unit = new ByteBufferNode(data, offset, size);
offset += size;
block.Add(unit);
}
}
Assert.IsFalse(block.IsEmpty);
Assert.AreEqual(block.Count, checkCount);
var array = block.ToArray();
Assert.IsNotNull(array);
Assert.AreEqual(array.Length, checkCount);
for (int i = 0; i < checkCount; i++)
{
Assert.AreEqual(data[i], array[i]);
}
for (int i = 0; i < checkCount; i++)
{
block[i] = 0;
}
for (int i = 0; i < checkCount; i++)
{
Assert.AreEqual(0, block[i]);
}
for (int i = 0; i < checkCount; i++)
{
block[i] = data[i];
}
for (int i = 0; i < checkCount; i++)
{
Assert.AreEqual(data[i], block[i]);
}
var tempBlock = block;
block = (BlockBuffer)tempBlock.Clone();
int checkOffset = 10;
block.AdvanceOffset(checkOffset);
Assert.AreEqual(block.Count, checkCount - checkOffset);
array = block.ToArray();
Assert.IsNotNull(array);
Assert.AreEqual(array.Length, checkCount - checkOffset);
for (int i = 0; i < checkCount - checkOffset; i++)
{
Assert.AreEqual(data[i + checkOffset], array[i]);
}
block = (BlockBuffer)tempBlock.Clone();
block.AdvanceSize(checkOffset);
Assert.AreEqual(block.Count, checkCount - checkOffset);
array = block.ToArray();
Assert.IsNotNull(array);
Assert.AreEqual(array.Length, checkCount - checkOffset);
for (int i = 0; i < checkCount - checkOffset; i++)
{
Assert.AreEqual(data[i], array[i]);
}
block = (BlockBuffer)tempBlock.Clone();
block.Resize(checkCount - checkOffset);
Assert.AreEqual(block.Count, checkCount - checkOffset);
array = block.ToArray();
Assert.IsNotNull(array);
Assert.AreEqual(array.Length, checkCount - checkOffset);
for (int i = 0; i < checkCount - checkOffset; i++)
{
Assert.AreEqual(data[i], array[i]);
}
block = tempBlock;
for (int i = 0; i < checkCount; i++)
{
int index = Rand.Default.Range(1, checkCount - 1);
int length = Rand.Default.Range(1, checkCount - index);
var value = block.ToArray(index, length);
Assert.IsNotNull(value);
Assert.AreEqual(value.Length, length);
for (int j = 0; j < length; j++)
{
Assert.AreEqual(data[j + index], value[j]);
}
}
block = (BlockBuffer)block.Clone();
Assert.AreEqual(block.Count, checkCount);
array = block.ToArray();
Assert.IsNotNull(array);
Assert.AreEqual(array.Length, checkCount);
for (int i = 0; i < checkCount; i++)
{
Assert.AreEqual(data[i], array[i]);
}
}
