public void TestMisc1()
{
//
// write
//
int bufferSize = DurableFileStream.BLOCK_SIZE;
byte[] writeBuffer = new byte[bufferSize];
Helper.SetArrayRandomly(writeBuffer);
DurableFileStream dfs = new DurableFileStream("TestMisc1.dat", true);
dfs.Write(writeBuffer, 0, bufferSize);
dfs.Abort();
Helper.SetArrayRandomly(writeBuffer);
dfs.Write(writeBuffer, 0, bufferSize);
dfs.Commit();
dfs.Close();
//
// read
//
dfs = new DurableFileStream("TestMisc1.dat", false);
byte[] readBuffer = new byte[bufferSize];
dfs.Read(readBuffer, 0, bufferSize);
Assert.IsTrue(Helper.IsArrayEmpty(readBuffer));
dfs.Read(readBuffer, 0, bufferSize);
Assert.IsTrue(Helper.EqualArray(readBuffer, writeBuffer));
dfs.Close();
}
public void TestMisc2()
{
//
// write
//
int bufferSize = DurableFileStream.BLOCK_SIZE;
byte[] writeBuffer1 = new byte[bufferSize];
Helper.SetArrayRandomly(writeBuffer1);
DurableFileStream dfs = new DurableFileStream("TestMisc2.dat", true);
dfs.Write(writeBuffer1, 0, bufferSize);
dfs.Commit();
byte[] writeBuffer2 = new byte[bufferSize];
Helper.SetArrayRandomly(writeBuffer2);
dfs.Write(writeBuffer2, 0, bufferSize);
Assert.AreEqual<long>(dfs.Length, 2 * DurableFileStream.BLOCK_SIZE);
Assert.AreEqual<long>(dfs.Position, 2 * DurableFileStream.BLOCK_SIZE);
dfs.Abort();
Assert.AreEqual<long>(dfs.Length, 1 * DurableFileStream.BLOCK_SIZE);
Assert.AreEqual<long>(dfs.Position, 2 * DurableFileStream.BLOCK_SIZE);
dfs.Close();
//
// read
//
dfs = new DurableFileStream("TestMisc2.dat", false);
Assert.AreEqual<long>(dfs.Length, DurableFileStream.BLOCK_SIZE);
Assert.AreEqual<long>(dfs.Position, 0);
byte[] readBuffer = new byte[bufferSize];
dfs.Read(readBuffer, 0, bufferSize);
Assert.IsTrue(Helper.EqualArray(readBuffer, writeBuffer1));
Assert.AreEqual<long>(dfs.Length, DurableFileStream.BLOCK_SIZE);
Assert.AreEqual<long>(dfs.Position, DurableFileStream.BLOCK_SIZE);
dfs.Close();
}
private void ExecuteWriteRead_Abort(string filename, byte[] writeBuffer)
{
int bufferSize = writeBuffer.Length;
// Writer
DurableFileStream dfs = new DurableFileStream(filename, true);
dfs.Write(writeBuffer, 0, bufferSize);
Assert.AreEqual<long>(dfs.Position, bufferSize);
Assert.AreEqual<long>(dfs.Length, bufferSize);
dfs.Abort();
dfs.Close();
// Reader
dfs = new DurableFileStream(filename, false);
byte[] readBuffer = new byte[bufferSize];
dfs.Read(readBuffer, 0, bufferSize);
Assert.AreEqual<long>(dfs.Position, 0);
Assert.AreEqual<long>(dfs.Length, 0);
dfs.Close();
// Validate
Assert.IsTrue(!Helper.EqualArray(writeBuffer, readBuffer));
}
