public void TestRangeEnumerate()
{
BTreeList <int> data = new BTreeList <int>(Comparer);
for (int i = 0; i < 100; i++)
{
Assert.IsTrue(data.TryAddItem(i));
}
int ix = 0;
foreach (int kv in data.EnumerateRange(-500, 5000))
{
Assert.AreEqual(ix++, kv);
}
Assert.AreEqual(100, ix);
foreach (
KeyValuePair <int, int> range in
new Dictionary <int, int> {
{ 6, 25 }, { 7, 25 }, { 8, 25 }, { 9, 25 }, { 22, 25 }, { 28, 28 }
})
{
ix = range.Key;
foreach (int kv in data.EnumerateRange(ix, range.Value))
{
Assert.AreEqual(ix++, kv);
}
Assert.AreEqual(range.Value, ix - 1);
}
}
public void TestEnumerateFrom()
{
BTreeList <int> data = new BTreeList <int>(Comparer);
for (int i = 0; i < 100; i++)
{
Assert.IsTrue(data.TryAddItem(i));
}
Assert.AreEqual(50, new List <int>(data.EnumerateFrom(50)).Count);
Assert.AreEqual(25, new List <int>(data.EnumerateFrom(75)).Count);
for (int i = 0; i < 100; i++)
{
int first = -1;
foreach (int kv in data.EnumerateFrom(i))
{
first = kv;
break;
}
Assert.AreEqual(i, first);
}
}
void SequencedTest(int start, int incr, int stop, string name)
{
int count = Math.Abs(start - stop) / Math.Abs(incr);
BTreeList <int> data = new BTreeList <int>(Comparer);
Stopwatch time = new Stopwatch();
time.Start();
//large order-forward
for (int i = start; i != stop; i += incr)
{
if (!data.TryAddItem(i))
{
throw new ApplicationException();
}
}
Trace.TraceInformation("{0} insert {1} in {2}", name, count, time.ElapsedMilliseconds);
time.Reset();
time.Start();
for (int i = start; i != stop; i += incr)
{
if (!data.Contains(i))
{
throw new ApplicationException();
}
}
Trace.TraceInformation("{0} seek {1} in {2}", name, count, time.ElapsedMilliseconds);
time.Reset();
time.Start();
int tmpCount = 0;
foreach (int tmp in data)
{
if (tmp < Math.Min(start, stop) || tmp > Math.Max(start, stop))
{
throw new ApplicationException();
}
else
{
tmpCount++;
}
}
if (tmpCount != count)
{
throw new ApplicationException();
}
Trace.TraceInformation("{0} foreach {1} in {2}", name, count, time.ElapsedMilliseconds);
time.Reset();
time.Start();
for (int i = start; i != stop; i += incr)
{
if (!data.Remove(i))
{
throw new ApplicationException();
}
}
Trace.TraceInformation("{0} delete {1} in {2}", name, count, time.ElapsedMilliseconds);
for (int i = start; i != stop; i += incr)
{
if (data.Contains(i))
{
throw new ApplicationException();
}
}
}