public void BlobOpenWriteTest()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
using (CloudBlobStream blobStream = blob.OpenWrite(2048))
{
blobStream.Write(buffer, 0, 2048);
blobStream.Flush();
byte[] testBuffer = new byte[2048];
MemoryStream dstStream = new MemoryStream(testBuffer);
blob.DownloadRangeToStream(dstStream, null, null);
MemoryStream memStream = new MemoryStream(buffer);
TestHelper.AssertStreamsAreEqual(memStream, dstStream);
}
}
finally
{
container.DeleteIfExists();
}
}
public void BlobOpenWriteSeekReadTest()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
MemoryStream memoryStream = new MemoryStream(buffer);
Stream blobStream = blob.OpenWrite(2048);
blobStream.Write(buffer, 0, 2048);
Assert.AreEqual(blobStream.Position, 2048);
blobStream.Seek(1024, 0);
memoryStream.Seek(1024, 0);
Assert.AreEqual(blobStream.Position, 1024);
byte[] testBuffer = GetRandomBuffer(1024);
memoryStream.Write(testBuffer, 0, 1024);
blobStream.Write(testBuffer, 0, 1024);
Assert.AreEqual(blobStream.Position, memoryStream.Position);
blobStream.Close();
Stream dstStream = blob.OpenRead();
TestHelper.AssertStreamsAreEqual(memoryStream, dstStream);
}
finally
{
container.DeleteIfExists();
}
}
public void BlobReadWhenOpenWrite()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
MemoryStream memoryStream = new MemoryStream(buffer);
Stream blobStream = blob.OpenWrite(2048);
blobStream.Write(buffer, 0, 2048);
byte[] testBuffer = new byte[2048];
TestHelper.ExpectedException <NotSupportedException>(() => blobStream.Read(testBuffer, 0, 2048),
"Try reading from a stream opened for Write");
}
finally
{
container.DeleteIfExists();
}
}