private void DoUploadDownloadFile(ICloudBlob blob, int fileSize, bool isAsync)
{
string inputFileName = Path.GetTempFileName();
string outputFileName = Path.GetTempFileName();
try
{
byte[] buffer = GetRandomBuffer(fileSize);
using (FileStream file = new FileStream(inputFileName, FileMode.Create, FileAccess.Write))
{
file.Write(buffer, 0, buffer.Length);
}
if (isAsync)
{
IAsyncResult result;
using (AutoResetEvent waitHandle = new AutoResetEvent(false))
{
OperationContext context = new OperationContext();
result = blob.BeginUploadFromFile(inputFileName,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
blob.EndUploadFromFile(result);
result = blob.BeginUploadFromFile(inputFileName, null, null, context,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
blob.EndUploadFromFile(result);
Assert.IsNotNull(context.LastResult.ServiceRequestID);
TestHelper.ExpectedException<IOException>(
() => blob.BeginDownloadToFile(outputFileName, FileMode.CreateNew, null, null),
"CreateNew on an existing file should fail");
context = new OperationContext();
result = blob.BeginDownloadToFile(outputFileName, FileMode.Create, null, null, context,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
blob.EndDownloadToFile(result);
Assert.IsNotNull(context.LastResult.ServiceRequestID);
using (FileStream inputFile = new FileStream(inputFileName, FileMode.Open, FileAccess.Read),
outputFile = new FileStream(outputFileName, FileMode.Open, FileAccess.Read))
{
TestHelper.AssertStreamsAreEqual(inputFile, outputFile);
}
result = blob.BeginDownloadToFile(outputFileName, FileMode.Append,
ar => waitHandle.Set(),
null);
waitHandle.WaitOne();
blob.EndDownloadToFile(result);
using (FileStream inputFile = new FileStream(inputFileName, FileMode.Open, FileAccess.Read),
outputFile = new FileStream(outputFileName, FileMode.Open, FileAccess.Read))
{
Assert.AreEqual(2 * fileSize, outputFile.Length);
for (int i = 0; i < fileSize; i++)
{
Assert.AreEqual(inputFile.ReadByte(), outputFile.ReadByte());
}
inputFile.Seek(0, SeekOrigin.Begin);
for (int i = 0; i < fileSize; i++)
{
Assert.AreEqual(inputFile.ReadByte(), outputFile.ReadByte());
}
}
}
}
else
{
OperationContext context = new OperationContext();
blob.UploadFromFile(inputFileName);
blob.UploadFromFile(inputFileName, null, null, context);
Assert.IsNotNull(context.LastResult.ServiceRequestID);
TestHelper.ExpectedException<IOException>(
() => blob.DownloadToFile(outputFileName, FileMode.CreateNew),
"CreateNew on an existing file should fail");
context = new OperationContext();
blob.DownloadToFile(outputFileName, FileMode.Create, null, null, context);
Assert.IsNotNull(context.LastResult.ServiceRequestID);
using (FileStream inputFileStream = new FileStream(inputFileName, FileMode.Open, FileAccess.Read),
outputFileStream = new FileStream(outputFileName, FileMode.Open, FileAccess.Read))
{
TestHelper.AssertStreamsAreEqual(inputFileStream, outputFileStream);
}
blob.DownloadToFile(outputFileName, FileMode.Append);
using (FileStream inputFileStream = new FileStream(inputFileName, FileMode.Open, FileAccess.Read),
outputFileStream = new FileStream(outputFileName, FileMode.Open, FileAccess.Read))
{
Assert.AreEqual(2 * fileSize, outputFileStream.Length);
for (int i = 0; i < fileSize; i++)
{
Assert.AreEqual(inputFileStream.ReadByte(), outputFileStream.ReadByte());
}
inputFileStream.Seek(0, SeekOrigin.Begin);
for (int i = 0; i < fileSize; i++)
{
Assert.AreEqual(inputFileStream.ReadByte(), outputFileStream.ReadByte());
}
}
}
}
finally
{
File.Delete(inputFileName);
File.Delete(outputFileName);
}
}