public void AllocateBlockTest()
{
IPersistentCollectionSpaceManager pafs = InitPAFS("PCSMAllocateBlock", 16, 8);
try
{
int token = pafs.AllocateBlock();
Assert.AreEqual(0, token);
int token2 = pafs.AllocateBlock();
Assert.AreEqual(0, token2);
pafs.Put(token2, new byte[0]);
int token3 = pafs.AllocateBlock();
Assert.AreEqual(1, token3);
pafs.Put(token3, new byte[0]);
int token4 = pafs.AllocateBlock();
Assert.AreEqual(2, token4);
}
finally
{
pafs.Close();
}
}
public void ReopenTest()
{
const string arrayName = "ReopenPCSMWithSpaceManagerTest";
const int elementSize = 16;
const int userHeaderSize = 8;
IPersistentCollectionSpaceManager pafs = InitPAFS(arrayName, elementSize, userHeaderSize);
try
{
byte[] userHeader = new byte[userHeaderSize] {
1, 2, 3, 4, 5, 6, 7, 8
};
pafs.PutUserHeader(userHeader);
int index = 0;
byte[] expectedBytes = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
pafs.Put(index, expectedBytes);
pafs.Close();
pafs = new PersistentCollectionSpaceManager(arrayName);
Assert.AreEqual(elementSize, pafs.GetElementSize());
Assert.AreEqual(userHeaderSize, pafs.GetUserHeaderSize());
TestHelper.AssertByteArraysAreSame(userHeader, pafs.GetUserHeader());
TestHelper.AssertByteArraysAreSame(expectedBytes, pafs.Get(index));
}
finally
{
pafs.Close();
}
}
public void GetNextIndexTest()
{
IPersistentCollectionSpaceManager pafs = InitPAFS("PCSMGetNextIndex", 16, 8);
try
{
//should just wrap AllocateBlock()
int block = pafs.AllocateBlock();
int nextSpace = pafs.GetNextIndex();
Assert.AreEqual(block, nextSpace);
pafs.Put(block, new byte[pafs.GetElementSize()]);
int block2 = pafs.AllocateBlock();
int nextSpace2 = pafs.GetNextIndex();
Assert.AreEqual(block2, nextSpace2);
}
finally
{
pafs.Close();
}
}
public void WipeIndexTest()
{
const int elementSize = 10;
IPersistentCollectionSpaceManager pafs = InitPAFS("PCSMWipeIndex", elementSize, 8);
try
{
int block = pafs.AllocateBlock();
byte[] putData = new byte[elementSize] {
255, 255, 255, 255, 255, 255, 255, 255, 255, 255
};
pafs.Put(block, putData);
//make sure the data was written
TestHelper.AssertByteArraysAreSame(putData, pafs.Get(block));
pafs.WipeElement(block);
TestHelper.AssertByteArraysAreSame(new byte[elementSize], pafs.Get(block));
}
finally
{
pafs.Close();
}
}
public PersistentLinkedList(String listName, int elementSize, int userHeaderSize)
{
_persistentSimpleCollection = new PersistentCollectionSpaceManager(listName, elementSize + 2 * PersistenceConstants.IntSize, userHeaderSize+GetSizeSize());
_persistentSimpleCollection.Put(0, new byte[0]); // I don't want the first element to be returned for GetNextIndex()
}
private void PutElement(LinkedListElement element)
{
byte[] elementBytes = element.Serialize();
_persistentSimpleCollection.Put(element.Index, elementBytes);
}
public PersistentLinkedList(String listName, int elementSize, int userHeaderSize)
{
_persistentSimpleCollection = new PersistentCollectionSpaceManager(listName, elementSize + 2 * PersistenceConstants.IntSize, userHeaderSize + GetSizeSize());
_persistentSimpleCollection.Put(0, new byte[0]); // I don't want the first element to be returned for GetNextIndex()
}