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 BlobWriteWhenOpenRead()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
using (MemoryStream srcStream = new MemoryStream(buffer))
{
blob.UploadFromStream(srcStream);
Stream blobStream = blob.OpenRead();
byte[] testBuffer = new byte[2048];
TestHelper.ExpectedException <NotSupportedException>(() => blobStream.Write(testBuffer, 0, 2048),
"Try writing to a stream opened for read");
}
}
finally
{
container.DeleteIfExists();
}
}
public void BlobOpenReadTest()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
using (MemoryStream srcStream = new MemoryStream(buffer))
{
blob.UploadFromStream(srcStream);
Stream dstStream = blob.OpenRead();
TestHelper.AssertStreamsAreEqual(srcStream, dstStream);
}
}
finally
{
container.DeleteIfExists();
}
}
public void BlobSeekTest()
{
byte[] buffer = GetRandomBuffer(2 * 1024);
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
CloudPageBlob blob = container.GetPageBlobReference("blob1");
using (MemoryStream srcStream = new MemoryStream(buffer))
{
blob.UploadFromStream(srcStream);
Stream blobStream = blob.OpenRead();
blobStream.Seek(2048, 0);
byte[] buff = new byte[100];
int numRead = blobStream.Read(buff, 0, 100);
Assert.AreEqual(numRead, 0);
}
}
finally
{
container.DeleteIfExists();
}
}