public void SimpleTestS()
{
using(var owned = new OwnedNativeMemory(1024)) {
var span = owned.Span;
span[10] = 10;
unsafe { Assert.Equal(10, owned.Pointer[10]); }
var memory = owned.Memory;
var array = memory.ToArray();
Assert.Equal(owned.Length, array.Length);
Assert.Equal(10, array[10]);
var copy = new byte[20];
memory.Slice(10, 20).CopyTo(copy);
Assert.Equal(10, copy[0]);
}
using (OwnedPinnedArray<byte> owned = new byte[1024]) {
var span = owned.Span;
span[10] = 10;
Assert.Equal(10, owned.Array[10]);
unsafe { Assert.Equal(10, owned.Pointer[10]); }
var memory = owned.Memory;
var array = memory.ToArray();
Assert.Equal(owned.Length, array.Length);
Assert.Equal(10, array[10]);
var copy = new byte[20];
memory.Slice(10, 20).CopyTo(copy);
Assert.Equal(10, copy[0]);
}
}
void OnReadUnix(UVBuffer.Unix buffer, IntPtr bytesAvaliable)
{
long bytesRead = bytesAvaliable.ToInt64();
if (bytesRead == 0)
{
return;
}
else if (bytesRead < 0)
{
var error = UVException.ErrorCodeToError((int)bytesRead);
if (error == UVError.EOF)
{
OnEndOfStream();
Dispose();
}
else
{
Dispose();
throw new UVException((int)bytesRead);
}
}
else
{
using (var owned = new OwnedNativeMemory((int)bytesRead, buffer.Buffer)) {
OnReadCompleted(owned.Memory);
//buffer.Dispose(); // TODO: owned memory frees the memory. this is bad; need to fix
}
}
}
public void SimpleTestS()
{
using (var owned = new OwnedNativeMemory(1024)) {
var span = owned.Span;
span[10] = 10;
unsafe { Assert.Equal(10, owned.Pointer[10]); }
var memory = owned.Memory;
var array = memory.ToArray();
Assert.Equal(owned.Length, array.Length);
Assert.Equal(10, array[10]);
Span <byte> copy = new byte[20];
memory.Slice(10, 20).CopyTo(copy);
Assert.Equal(10, copy[0]);
}
using (OwnedPinnedArray <byte> owned = new byte[1024]) {
var span = owned.Span;
span[10] = 10;
Assert.Equal(10, owned.Array[10]);
unsafe { Assert.Equal(10, owned.Pointer[10]); }
var memory = owned.Memory;
var array = memory.ToArray();
Assert.Equal(owned.Length, array.Length);
Assert.Equal(10, array[10]);
Span <byte> copy = new byte[20];
memory.Slice(10, 20).CopyTo(copy);
Assert.Equal(10, copy[0]);
}
}
public void NativeMemoryLifetime()
{
Memory<byte> copyStoredForLater;
using (var owner = new OwnedNativeMemory(1024)) {
Memory<byte> memory = owner.Memory;
Memory<byte> memorySlice = memory.Slice(10);
copyStoredForLater = memorySlice;
using (memorySlice.Reserve()) {
Assert.Throws<InvalidOperationException>(() => { // memory is reserved; cannot dispose
owner.Dispose();
});
Span<byte> span = memorySlice.Span;
span[0] = 255;
}
}
Assert.Throws<ObjectDisposedException>(() => { // manager is disposed
var span = copyStoredForLater.Span;
});
}
public void NativeMemoryLifetime()
{
Memory <byte> copyStoredForLater;
using (var owner = new OwnedNativeMemory(1024)) {
Memory <byte> memory = owner.Memory;
Memory <byte> memorySlice = memory.Slice(10);
copyStoredForLater = memorySlice;
using (memorySlice.Reserve()) {
Assert.Throws <InvalidOperationException>(() => { // memory is reserved; cannot dispose
owner.Dispose();
});
Span <byte> span = memorySlice.Span;
span[0] = 255;
}
}
Assert.Throws <ObjectDisposedException>(() => { // manager is disposed
var span = copyStoredForLater.Span;
});
}
void OnReadWindows(UVBuffer.Windows buffer, IntPtr bytesAvaliable)
{
// TODO: all branches need to release buffer, I think
long bytesRead = bytesAvaliable.ToInt64();
if (bytesRead == 0)
{
buffer.Dispose();
return;
}
else if (bytesRead < 0)
{
var error = UVException.ErrorCodeToError((int)bytesRead);
if (error == UVError.EOF)
{
OnEndOfStream();
Dispose();
buffer.Dispose();
}
else if (error == UVError.ECONNRESET)
{
Debug.Assert(buffer.Buffer == IntPtr.Zero && buffer.Length == 0);
// no need to dispose
// TODO: what should we do here?
}
else
{
Dispose();
buffer.Dispose();
throw new UVException((int)bytesRead);
}
}
else
{
using (var owned = new OwnedNativeMemory((int)bytesRead, buffer.Buffer)) {
OnReadCompleted(owned.Memory);
//buffer.Dispose(); // TODO: owned memory frees the memory. this is bad; need to fix
}
}
}
public void SimpleTestS()
{
{
OwnedArray <byte> memory = new byte[1024];
var span = memory.Span;
span[10] = 10;
Assert.Equal(10, memory.Array[10]);
}
using (var memory = new OwnedNativeMemory(1024)) {
var span = memory.Span;
span[10] = 10;
unsafe { Assert.Equal(10, memory.Pointer[10]); }
}
using (OwnedPinnedArray <byte> memory = new byte[1024]) {
var span = memory.Span;
span[10] = 10;
Assert.Equal(10, memory.Array[10]);
unsafe { Assert.Equal(10, memory.Pointer[10]); }
}
}
public void NativeMemoryLifetime()
{
Memory <byte> copyStoredForLater;
var owner = new OwnedNativeMemory(1024);
try {
Memory <byte> memory = owner.Memory;
Memory <byte> memorySlice = memory.Slice(10);
copyStoredForLater = memorySlice;
var r = memorySlice.Reserve();
try {
Assert.Throws <InvalidOperationException>(() => { // memory is reserved; cannot dispose
owner.Dispose();
});
Assert.Throws <ObjectDisposedException>(() => {
// memory is disposed
Span <byte> span = memorySlice.Span;
span[0] = 255;
});
}
finally {
Assert.Throws <ObjectDisposedException>(() => {
// memory is disposed
r.Dispose();
});
}
}
finally {
Assert.Throws <InvalidOperationException>(() => {
// memory is still reserved as Release failed.
owner.Dispose();
});
}
Assert.Throws <ObjectDisposedException>(() => { // manager is disposed
var span = copyStoredForLater.Span;
});
}
void OnReadUnix(UVBuffer.Unix buffer, IntPtr bytesAvaliable)
{
long bytesRead = bytesAvaliable.ToInt64();
if (bytesRead == 0)
{
return;
}
else if (bytesRead < 0)
{
var error = UVException.ErrorCodeToError((int)bytesRead);
if (error == UVError.EOF)
{
OnEndOfStream();
Dispose();
}
else
{
Dispose();
throw new UVException((int)bytesRead);
}
}
else
{
using (var owned = new OwnedNativeMemory((int)bytesRead, buffer.Buffer)) {
OnReadCompleted(owned.Memory);
//buffer.Dispose(); // TODO: owned memory frees the memory. this is bad; need to fix
}
}
}
void OnReadWindows(UVBuffer.Windows buffer, IntPtr bytesAvaliable)
{
// TODO: all branches need to release buffer, I think
long bytesRead = bytesAvaliable.ToInt64();
if (bytesRead == 0)
{
buffer.Dispose();
return;
}
else if (bytesRead < 0)
{
var error = UVException.ErrorCodeToError((int)bytesRead);
if (error == UVError.EOF)
{
OnEndOfStream();
Dispose();
buffer.Dispose();
}
else if (error == UVError.ECONNRESET)
{
Debug.Assert(buffer.Buffer == IntPtr.Zero && buffer.Length == 0);
// no need to dispose
// TODO: what should we do here?
}
else
{
Dispose();
buffer.Dispose();
throw new UVException((int)bytesRead);
}
}
else
{
using (var owned = new OwnedNativeMemory((int)bytesRead, buffer.Buffer)) {
OnReadCompleted(owned.Memory);
//buffer.Dispose(); // TODO: owned memory frees the memory. this is bad; need to fix
}
}
}
public void NativeMemoryLifetime()
{
var owner = new OwnedNativeMemory(1024);
TestLifetime(owner);
}