public void Should_shrink_after_removing_a_lot_of_elements()
{
var itemsCount = 150 * 1000;
dic = new StripedDictionary <Guid, string, FastGuidComparer>(itemsCount);
var capacityBefore = dic.Capacity;
var segmentsCountBefore = dic.SegmentsCount;
Console.Out.WriteLine($"Capacity before = {capacityBefore}");
Console.Out.WriteLine($"Segments before = {segmentsCountBefore}");
for (int i = 0; i < itemsCount; i++)
{
dic.Add(Guid.NewGuid(), string.Empty);
}
var capacityAfterFilling = dic.Capacity;
var segmentsCountAfterFilling = dic.SegmentsCount;
Console.Out.WriteLine($"Capacity after filling = {capacityAfterFilling}");
Console.Out.WriteLine($"Segments after filling = {segmentsCountAfterFilling}");
foreach (var pair in dic)
{
dic.Remove(pair.Key);
}
Console.Out.WriteLine($"Capacity after cleaning = {dic.Capacity}");
Console.Out.WriteLine($"Segments after cleaning = {dic.SegmentsCount}");
dic.Capacity.Should().BeLessThan(capacityAfterFilling);
dic.SegmentsCount.Should().BeLessThan(segmentsCountAfterFilling);
dic.HasArraysInLOH.Should().BeFalse();
}
public void Should_initialize_with_given_capacity_so_that_no_further_resize_is_needed()
{
var itemsCount = 150 * 1000;
dic = new StripedDictionary <Guid, string, FastGuidComparer>(itemsCount);
var capacityBefore = dic.Capacity;
var segmentsCountBefore = dic.SegmentsCount;
Console.Out.WriteLine($"Capacity before = {capacityBefore}");
Console.Out.WriteLine($"Segments before = {segmentsCountBefore}");
for (int i = 0; i < itemsCount; i++)
{
dic.Add(Guid.NewGuid(), string.Empty);
}
Console.Out.WriteLine($"Capacity after = {dic.Capacity}");
Console.Out.WriteLine($"Segments after = {dic.SegmentsCount}");
dic.Count.Should().Be(itemsCount);
dic.Capacity.Should().Be(capacityBefore);
dic.SegmentsCount.Should().Be(segmentsCountBefore);
dic.HasArraysInLOH.Should().BeFalse();
}
public void TestSetup()
{
keys = Enumerable.Range(0, 100).Select(_ => Guid.NewGuid()).ToArray();
allKeys = new HashSet <Guid>(keys);
dic = new StripedDictionary <Guid, string, FastGuidComparer>();
for (int i = 0; i < keys.Length / 2; i++)
{
dic.Add(keys[i], keys[i].ToString());
}
tasks = new List <Task>();
cancellation = new CancellationTokenSource();
}
public void TestSetup()
{
dic = new StripedDictionary <Guid, string, FastGuidComparer>();;
}
