public void LastIndexOfChokesOnBadIndex(Position position)
{
var index = PositionToIndex(position);
var sut = new CopyOnWriteList <T>(Samples);
Assert.Catch <ArgumentOutOfRangeException>(() => sut.LastIndexOf(TestData <T> .One, index));
Assert.Catch <ArgumentOutOfRangeException>(() => sut.LastIndexOf(TestData <T> .One, index, 0));
}
[Test] public void LastIndexOfReturnsLastPositionWhenFoundOtherwiseNegativeOne()
{
var sut = new CopyOnWriteList <T>(Samples.Concat(Samples));
var size = SampleSize;
Assert.That(sut.LastIndexOf(TestData <T> .M1), Is.EqualTo(-1));
Assert.That(sut.LastIndexOf(TestData <T> .Two), Is.EqualTo(size + 2));
Assert.That(sut.LastIndexOf(TestData <T> .MakeData(size - 1)), Is.EqualTo(size * 2 - 1));
}
public int LastIndexOfWithCountReturnsPositionWhenFoundOtherwiseNegativeOne(T item, int index, int count)
{
var sut = new CopyOnWriteList <T>(Samples.Concat(Samples));
return(sut.LastIndexOf(item, index, count));
}
[Test] public void LastIndexOfChokesOnBadCount()
{
var sut = new CopyOnWriteList <T>(Samples);
Assert.Catch <ArgumentOutOfRangeException>(() => sut.LastIndexOf(TestData <T> .One, 0, -1));
}