public void ShouldBeAbleToRemoveItem(int times)
{
var set = new ConcurrentOrderedSet <int> {
0, 1, 2, 3
};
for (var j = 0; j < times; j++)
{
for (var i = 0; i < set.Count; i++)
{
var real = set.ToList()[i];
real.Should().Be(i);
}
}
set.Remove(3);
for (var j = 0; j < times; j++)
{
set.Contains(3).Should().BeFalse();
for (var i = 0; i < set.Count; i++)
{
var real = set.ToList()[i];
real.Should().Be(i);
}
}
}
public void ShouldBeAbleToAccessNewlyAddedItem(int times)
{
var set = new ConcurrentOrderedSet <int> {
0, 1, 2, 3
};
// we loop several turns on the full set
for (var j = 0; j < times; j++)
{
for (var i = 0; i < set.Count; i++)
{
var real = set.ToList()[i];
real.Should().Be(i);
}
}
// we add a new item into the set
set.Add(4);
// we loop again and everything is in set
for (var j = 0; j < times; j++)
{
// first we got the newly added out
set.Contains(4).Should().BeTrue();
for (var i = 0; i < set.Count; i++)
{
var real = set.ToList()[i];
real.Should().Be(i);
}
}
}
public void ShouldAddNew()
{
// ReSharper disable once UseObjectOrCollectionInitializer
var set = new ConcurrentOrderedSet <int>();
set.Add(1);
set.Count.Should().Be(1);
set.ToList().Should().ContainInOrder(1);
}
public void ShouldNotMoveIfNotExists()
{
var set = new ConcurrentOrderedSet <int> {
0, 1
};
set.Remove(3);
set.Count.Should().Be(2);
set.ToList().Should().ContainInOrder(0, 1);
}
public void ShouldRemove()
{
var set = new ConcurrentOrderedSet <int> {
0, 1, 2, 3
};
set.Remove(0);
set.Remove(2);
set.ToList().Should().ContainInOrder(1, 3);
}
public void ShouldProvideSnapshotWhenEmpty()
{
// Given
var set = new ConcurrentOrderedSet <int>();
// When
var snapshot = set.Snapshot;
// Then
snapshot.Should().BeEmpty();
}
public void ShouldNotAddIfAlreadyExists()
{
// ReSharper disable once UseObjectOrCollectionInitializer
var set = new ConcurrentOrderedSet <int> {
0, 1, 2, 3
};
set.Add(0);
set.Add(1);
set.Add(2);
set.Add(3);
set.Count.Should().Be(4);
set.Should().ContainInOrder(0, 1, 2, 3);
}
public void ShouldProvideSnapshot()
{
// Given
var set = new ConcurrentOrderedSet <int> {
0, 1, 2
};
// When
var snapshot = set.Snapshot;
// Then
snapshot.Should().HaveCount(3);
snapshot.Should().ContainInOrder(0, 1, 2);
}
public void ShouldClear()
{
// Given
var set = new ConcurrentOrderedSet <int> {
0, 1, 2, 3
};
set.Should().NotBeEmpty();
// When
set.Clear();
// Then
set.Should().BeEmpty();
}
public void ShouldProvideSnapshotAfterUpdate()
{
// Given
var set = new ConcurrentOrderedSet <int> {
0, 1, 2
};
// When
set.Remove(1);
set.Add(42);
var snapshot = set.Snapshot;
// Then
snapshot.Should().HaveCount(3);
snapshot.Should().ContainInOrder(0, 2, 42);
}
