[Test] public void AddRangeIfAbsentAddOnlyThoseNotExist()
{
var sut = new CopyOnWriteList <T>(Samples);
var c = new[]
{
TestData <T> .M1,
TestData <T> .M2,
TestData <T> .One, // Will no add.
};
Assert.That(sut.AddRangeAbsent(c), Is.EqualTo(2));
Assert.That(sut.Count, Is.EqualTo(SampleSize + 2));
Assert.IsTrue(sut.Contains(TestData <T> .M1));
Assert.IsTrue(sut.Contains(TestData <T> .M2));
}
[Test] public void AddIfAbsentDoesAddWhenNotExist()
{
var sut = new CopyOnWriteList <T>(Samples);
sut.AddIfAbsent(TestData <T> .M1);
Assert.IsTrue(sut.Contains(TestData <T> .M1));
}
public void CopyOnWriteList_Should_Allow_Parallel_Calls_To_Add()
{
var actions = new List<Action>();
var list = new CopyOnWriteList<int>();
for (var i = 0; i < 100; i++)
{
var item = i;
actions.Add(() =>
{
list.Add(item);
});
}
TestHelper.ParallelInvoke(actions);
Assert.AreEqual(100, list.Count);
for (var i = 0; i < 100; i++)
{
Assert.True(list.Contains(i));
}
var counter = 0;
CollectionAssert.AreEquivalent(Enumerable.Repeat(0, 100).Select(_ => counter++), list);
}