public void LTCorrectness()
{
const int iters = 2000;
var dict = new SortedDictionary <long, long>();
var rnd = new Random();
var oi = new OpfInteger(100);
for (var i = 0; i < iters; i++)
{
var next = (long)((rnd.NextDouble() * 2.0 - 1.0) * long.MaxValue);
dict[next] = oi.GetBucketId(next);
}
var keys = dict.Keys.ToList();
for (var i = 0; i < keys.Count; i++)
{
var item = keys[i];
var res = oi.GetBucketsLT(item);
Assert.Equal(keys.Take(i + 1)
.Where(x => oi.GetBucketRange(x).MinValue != item)
.Select(x => dict[x])
.OrderBy(x => x)
.Distinct(),
res.OrderBy(x => x));
}
}
public void BucketRangeCorrectness()
{
var oi = new OpfInteger(100);
for (var i = Int64.MinValue; i <= Int64.MinValue + 5000; i++)
{
var range = oi.GetBucketRange(i);
Assert.True(range.MinValue <= i);
Assert.True(range.MaxValue >= i);
if (range.MinValue == Int64.MinValue)
{
Assert.True(range.IsFirstBucket);
Assert.False(range.IsLastBucket);
}
else
{
Assert.False(range.IsFirstBucket);
Assert.False(range.IsLastBucket);
}
}
for (var i = -2500; i <= 2500; i++)
{
var range = oi.GetBucketRange(i);
Assert.True(range.MinValue <= i);
Assert.True(range.MaxValue >= i);
Assert.False(range.IsFirstBucket);
Assert.False(range.IsLastBucket);
}
for (var i = Int64.MaxValue; i >= Int64.MaxValue - 5000; i--)
{
var range = oi.GetBucketRange(i);
Assert.True(range.MinValue <= i);
Assert.True(range.MaxValue >= i);
if (range.MaxValue == Int64.MaxValue)
{
Assert.False(range.IsFirstBucket);
Assert.True(range.IsLastBucket);
}
else
{
Assert.False(range.IsFirstBucket);
Assert.False(range.IsLastBucket);
}
}
}