public unsafe void PinnedArrayMemoryLifetime()
{
Memory <byte> copyStoredForLater;
var bytes = new byte[1024];
fixed(byte *pBytes = bytes)
{
using (var owner = new OwnedPinnedArray <byte>(bytes, pBytes)) {
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 unsafe void PinnedArrayMemoryLifetime()
{
Memory <byte> copyStoredForLater;
var bytes = new byte[1024];
fixed(byte *pBytes = bytes)
{
var owner = new OwnedPinnedArray <byte>(bytes, pBytes);
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>(() => {
Span <byte> span = memorySlice.Span;
span[0] = 255;
});
}
finally {
Assert.Throws <ObjectDisposedException>(() => {
// memory has been Disposed, so cannot free reservation
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;
});
}
public unsafe void PinnedArrayMemoryLifetime()
{
Memory<byte> copyStoredForLater;
var bytes = new byte[1024];
fixed (byte* pBytes = bytes) {
using (var owner = new OwnedPinnedArray<byte>(bytes, pBytes)) {
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;
});
}