private static void PopulateCollection(PushOutCollection <int> collection, int count)
{
for (int i = 0; i < count; i++)
{
collection.Add(i);
}
}
public void PushOutFirstElement(int capacity, int extraElements, int[] expected)
{
// Arrange
var collection = new PushOutCollection <int>(capacity);
// Act
for (int i = 0; i < capacity + extraElements; i++)
{
collection.Add(i);
}
// Assert
Assert.Equal(expected, collection);
}
public void IncreaseCount(int capacity, int newElements)
{
// Arrange
var collection = new PushOutCollection <int>(capacity);
// Act
for (int i = 0; i < newElements; i++)
{
collection.Add(i);
}
// Assert
Assert.Equal(newElements, collection.Count);
}
public void NotExceedCapacity(int capacity, int newElements)
{
// Arrange
var collection = new PushOutCollection <int>(capacity);
// Act
for (int i = 0; i < newElements; i++)
{
collection.Add(i);
}
// Assert
Assert.Equal(capacity, collection.Count);
Assert.Equal(capacity, collection.MaxCount);
}
private bool TryAddSnapshotInternal(ref LineViewSnapshot snapshot)
{
if (EqualsToCurrentSnapshot(ref snapshot))
{
return(false);
}
if (_iterator.HasNext())
{
_snapshots.TrimTo(_iterator.Index + 1);
}
_snapshots.Add(snapshot);
_iterator.MoveToLast();
return(true);
}
public void AddCommand(string command)
{
EnsureCommandsLoaded();
if (String.IsNullOrWhiteSpace(command) ||
IsEqualsToLastCommand(command))
{
_current = _commands.Count;
return;
}
lock (_commandsWriteLock)
{
_commands.Add(command);
_current = _commands.Count;
}
ScheduleSaveCommands();
}
private void EnsureCommandsLoaded()
{
if (_commands != null)
{
return;
}
lock (_commandsWriteLock)
{
if (_historyStorage == null)
{
_commands = new PushOutCollection <string>(MaxCount);
}
else
{
IReadOnlyList <string> loaded = null;
lock (_historyStorage)
{
loaded = _historyStorage.Load();
}
loaded = loaded.Where(_ => !String.IsNullOrWhiteSpace(_)).ToArray();
if (loaded.Count > MaxCount)
{
_commands = new PushOutCollection <string>(loaded.Skip(loaded.Count - MaxCount));
}
else
{
_commands = new PushOutCollection <string>(MaxCount);
for (int i = 0; i < loaded.Count; i++)
{
_commands.Add(loaded[i]);
}
}
}
_current = _commands.Count;
}
}