public void TestMerge()
{
var first = new Interval(5, 1);
var second = new Interval(9, 3);
var third = new Interval(12, 7);
var merged = Intervals.Merge(new Interval[] { second, third, first });
Assert.AreEqual(1, merged.Count);
Assert.AreEqual(first.a, merged[0].a);
Assert.AreEqual(third.b, merged[0].b);
}
public void TestMergeIntervals()
{
var v5 = new Interval(1, 3);
var v1 = new Interval(2, 6);
var v3 = new Interval(5, 10);
var v4 = new Interval(15, 21);
var v2 = new Interval(18, 19);
var v6 = new Interval(22, 23);
var vs = new[] { v1, v2, v3, v4, v5, v6 };
var r = Intervals.Merge(vs);
Assert.AreEqual(r.Count, 3);
Assert.AreEqual(r[0].Start, 1);
Assert.AreEqual(r[1].End, 21);
}
// clears unused log lines to free some memory before chunks parsing
private void OptimizeLogMemory()
{
Stopwatch sw = Stopwatch.StartNew();
var intervals = Chunks.Select(c => new Interval(c.Header.Index, c.Footer.Index));
var merged = Intervals.Merge(intervals);
int counter = 0;
// trim middles
for (int i = 0; i < merged.Count - 1; i++)
{
for (int idx = merged[i].b; idx <= merged[i + 1].a; idx++)
{
Log.FreeLine(i);
counter++;
}
}
Trace.WriteLine(string.Format("{0} lines freed in {1}.", counter, sw.Elapsed));
GC.Collect();
}