public void IntensiveEditingSession()
{
var table = PieceTable.ForArray(new int[0]);
const int iterations = 10 * 1000;
const int insertionsPerIteration = 30;
const int deletionsPerIteration = 2;
var random = new Randomizer(42);
var totalTime = BenchmarkIterations(iterations, delegate
{
var insertionPoint = random.Next(table.Length);
for (var i = 0; i < insertionsPerIteration; ++i)
{
table = table.Insert(insertionPoint + i, i);
}
var readPosition = random.Next(table.Length);
table.ToArray(readPosition, Math.Min(table.Length - readPosition, insertionsPerIteration));
for (var i = 0; i < deletionsPerIteration; ++i)
{
table = table.Delete(random.Next(table.Length), 1);
}
});
const int totalNumberOfOperations = iterations * (insertionsPerIteration + deletionsPerIteration);
ReportTotalNumberOfOperations(totalTime, totalNumberOfOperations);
Assert.AreEqual(iterations * insertionsPerIteration - iterations * deletionsPerIteration, table.Length);
}
private static PieceTable <int> CreateTableWithManyPieces(int length)
{
var table = PieceTable.ForArray(new int[0]);
for (var i = 0; i < length; ++i)
{
table = table.Insert(0, i);
}
return(table);
}
public TextSnapshotLines(PieceTable <char> text)
{
_spans = PieceTable.ForArray(LineParser.LineSpansFor(text).ToArray());
}