public void TestIncrementalWrite()
{
var testBlobName = Guid.NewGuid().ToString();
CreateTestBlob(testBlobName);
var testPattern = new byte[255];
for (int i = 0; i < 255; i++)
{
testPattern[i] = (byte)i;
}
var testBuffer = new byte[255000];
var readBuffer = new byte[255000];
for (int i = 0; i < 1000; i++)
{
testPattern.CopyTo(testBuffer, 255 * i);
}
for (int i = 0; i < 100; i++)
{
using (
var stream = new Storage.BlockProviderStream(AzureBlockStore.Instance, "test\\" + testBlobName,
FileMode.Append))
{
stream.Write(testBuffer, 0, 255000);
}
using (var stream = new Storage.BlockProviderStream(AzureBlockStore.Instance, "test\\" + testBlobName, FileMode.Open))
{
Assert.AreEqual(255000 * (i + 1), stream.Length);
stream.Seek(-255000, SeekOrigin.End);
int readCount = stream.Read(readBuffer, 0, 255000);
Assert.AreEqual(255000, readCount);
for (int x = 0; x < 1000; x++)
{
for (int y = 0; y < 255; y++)
{
Assert.AreEqual(y, readBuffer[(255 * x) + y]);
}
}
}
}
for (int i = 0; i < 100; i++)
{
using (var stream = new Storage.BlockProviderStream(AzureBlockStore.Instance, "test\\" + testBlobName, FileMode.Open))
{
stream.Seek(255000 * i, SeekOrigin.Begin);
int readCount = stream.Read(readBuffer, 0, 255000);
Assert.AreEqual(255000, readCount);
}
for (int x = 0; x < 1000; x++)
{
for (int y = 0; y < 255; y++)
{
Assert.AreEqual(y, readBuffer[(255 * x) + y]);
}
}
}
}
public void TestIncrementalWrite()
{
var testBlobName = Guid.NewGuid().ToString();
CreateTestBlob(testBlobName);
var testPattern = new byte[255];
for (int i = 0; i < 255; i++) testPattern[i] = (byte)i;
var testBuffer = new byte[255000];
var readBuffer = new byte[255000];
for (int i = 0; i < 1000; i++)
{
testPattern.CopyTo(testBuffer, 255*i);
}
for (int i = 0; i < 100; i++)
{
using (
var stream = new Storage.BlockProviderStream(AzureBlockStore.Instance, "test\\" + testBlobName,
FileMode.Append))
{
stream.Write(testBuffer, 0, 255000);
}
using(var stream = new Storage.BlockProviderStream(AzureBlockStore.Instance, "test\\" + testBlobName, FileMode.Open))
{
Assert.AreEqual(255000 * (i+1), stream.Length);
stream.Seek(-255000, SeekOrigin.End);
int readCount = stream.Read(readBuffer, 0, 255000);
Assert.AreEqual(255000, readCount);
for (int x = 0; x < 1000; x++)
{
for (int y = 0; y < 255; y++)
{
Assert.AreEqual(y, readBuffer[(255 * x) + y]);
}
}
}
}
for(int i = 0; i < 100; i++)
{
using(var stream = new Storage.BlockProviderStream(AzureBlockStore.Instance, "test\\"+testBlobName, FileMode.Open))
{
stream.Seek(255000*i, SeekOrigin.Begin);
int readCount = stream.Read(readBuffer, 0, 255000);
Assert.AreEqual(255000, readCount);
}
for(int x =0;x<1000;x++)
{
for(int y = 0; y < 255; y++ )
{
Assert.AreEqual(y, readBuffer[(255*x)+y]);
}
}
}
}
