public async Task CreateWriteWithSeekBlob()
{
IRBlobInfo blob = null;
using (RBlobStream blobStream = await RBlobStream.CreateAsync(_session))
using (BinaryWriter writer = new BinaryWriter(blobStream)) {
// write {1, 2, 3}
writer.Write((long)1);
writer.Write((long)2);
writer.Write((long)3);
// go back to position 2
blobStream.Seek(sizeof(long), SeekOrigin.Begin);
// change data to {1, 4, 3}
writer.Write((long)4);
blob = blobStream.GetBlobInfo();
}
using (RBlobStream blobStream = await RBlobStream.OpenAsync(blob, _session))
using (BinaryReader reader = new BinaryReader(blobStream)) {
long[] expectedData = { 1, 4, 3 };
for (int i = 0; i < expectedData.Length; ++i)
{
reader.ReadInt64().Should().Be(expectedData[i]);
}
}
}
public async Task CreateCopyToDestroyBlob()
{
using (MemoryStream ms = new MemoryStream())
using (BinaryWriter writer = new BinaryWriter(ms)) {
// write ~7MB of data
for (int i = 0; i < 1000000; ++i)
{
writer.Write((long)i);
}
writer.Flush();
await ms.FlushAsync();
ms.Position = 0;
IRBlobInfo blob = null;
using (RBlobStream blobStream = await RBlobStream.CreateAsync(_session)) {
await ms.CopyToAsync(blobStream);
blob = blobStream.GetBlobInfo();
}
using (RBlobStream blobStream = await RBlobStream.OpenAsync(blob, _session))
using (MemoryStream ms2 = new MemoryStream()) {
await blobStream.CopyToAsync(ms2, 1024 * 1024);
await ms2.FlushAsync();
ms.ToArray().Should().Equal(ms2.ToArray());
}
}
}
public async Task GetBlob_DisconnectedDuringGet()
{
var data = new byte[1024 * 1024];
IRBlobInfo blob = null;
using (DataTransferSession dts = new DataTransferSession(_session, null)) {
blob = await dts.SendBytesAsync(data, false, null, CancellationToken.None);
}
using (RBlobStream blobStream = await RBlobStream.OpenAsync(blob, _session)) {
Func <Task> f = async() => {
using (MemoryStream ms = new MemoryStream()) {
await blobStream.CopyToAsync(ms, 1024);
}
};
await Task.Delay(100);
await _session.StopHostAsync();
await f.ShouldThrowAsync <RHostDisconnectedException>();
}
}
