public void ReopenTest()
{
const string arrayName = "ReopenLLTest";
const int elementSize = 7;
const int userHeaderSize = 33;
ILinkedList ll = InitPLL(arrayName, elementSize, userHeaderSize);
try
{
byte[] firstBytes = new byte[] { 1, 1, 1, 1, 1, 1, 1, };
byte[] secondBytes = new byte[] { 2, 2, 2, 2, 2, 2, 2, };
byte[] thirdBytes = new byte[] { 3, 3, 3, 3, 3 ,3,3};
byte[] fourthBytes = new byte[] { 4, 4, 4, 4, 4, 4, 4 };
ll.AddToEnd(firstBytes);
ll.AddToEnd(secondBytes);
ll.AddToEnd(thirdBytes);
ll.AddToEnd(fourthBytes);
Assert.AreEqual(4, ll.Length());
ll.Close();
ll = new PersistentLinkedList(arrayName);
Assert.AreEqual(4, ll.Length());
Assert.AreEqual(elementSize, ll.GetElementSize());
Assert.AreEqual(userHeaderSize, ll.GetUserHeaderSize());
int first = ll.GetFirst();
TestHelper.AssertByteArraysAreSame(firstBytes, ll.GetData(first));
int second = ll.GetNext(first);
TestHelper.AssertByteArraysAreSame(secondBytes, ll.GetData(second));
int third = ll.GetNext(second);
TestHelper.AssertByteArraysAreSame(thirdBytes, ll.GetData(third));
int fourth = ll.GetNext(third);
TestHelper.AssertByteArraysAreSame(fourthBytes, ll.GetData(fourth));
}
finally
{
ll.Close();
}
}
private PersistentLinkedList InitPLL(string arrayName, int elementSize, int userHeaderSize)
{
PersistentLinkedList pll;
try
{
pll = new PersistentLinkedList(arrayName, elementSize, userHeaderSize);
}
catch (FileNameConflictException)
{
pll = new PersistentLinkedList(arrayName);
pll.Delete();
pll = new PersistentLinkedList(arrayName, elementSize, userHeaderSize);
}
return pll;
}
public void DeleteTest()
{
string llName = "LLDelete";
ILinkedList ll = InitPLL(llName, 16, 8);
try
{
ll.Delete();
ll = new PersistentLinkedList(llName, 16, 16);
}
finally
{
ll.Delete();
}
}