[Test] public void FindLastReturnsLastItemMatchCriteriaOtherwiseDefaultValue()
{
var sut = new CopyOnWriteList <T>(Samples);
Assert.That(sut.FindLast(b => b.Equals(TestData <T> .M1)), Is.EqualTo(default(T)));
var head = TestData <T> .Zero;
Assert.That(sut.FindLast(b => b.Equals(head)), Is.EqualTo(head));
var tail = TestData <T> .MakeData(SampleSize - 1);
Assert.That(sut.FindLast(b => b.Equals(tail)), Is.EqualTo(tail));
var half = TestData <T> .MakeData(SampleSize / 2);
Assert.That(sut.FindLast(b => b.Equals(half)), Is.EqualTo(half));
if (!typeof(T).IsValueType)
{
var zero = TestData <T> .MakeData(0);
sut[SampleSize / 2] = zero;
Assert.That(sut.FindLast(b => b.Equals(zero)), Is.SameAs(zero));
}
}
[Test] public void FindLastChokesOnNullMatchCriteria()
{
var sut = new CopyOnWriteList <T>();
Assert.Catch <ArgumentNullException>(() => sut.FindLast(null));
}