public void FindLastIndexChokesOnBadIndex(Position position)
{
var index = PositionToIndex(position);
var sut = new CopyOnWriteList <T>(Samples);
Assert.Catch <ArgumentOutOfRangeException>(() => sut.FindLastIndex(index, i => true));
Assert.Catch <ArgumentOutOfRangeException>(() => sut.FindLastIndex(index, 0, i => true));
}
[Test] public void FindLastIndexChokesOnNullMatchCriteria()
{
var sut = new CopyOnWriteList <T>(Samples);
Assert.Catch <ArgumentNullException>(() => sut.FindLastIndex(null));
Assert.Catch <ArgumentNullException>(() => sut.FindLastIndex(0, null));
Assert.Catch <ArgumentNullException>(() => sut.FindLastIndex(0, 0, null));
}
[Test] public void FindLastIndexReturnsLastPositionWhenFoundOtherwiseNegativeOne()
{
var sut = new CopyOnWriteList <T>(Samples.Concat(Samples));
var size = SampleSize;
Assert.That(sut.FindLastIndex(i => i.Equals(TestData <T> .M1)), Is.EqualTo(-1));
Assert.That(sut.FindLastIndex(i => i.Equals(TestData <T> .Two)), Is.EqualTo(size + 2));
Assert.That(sut.FindLastIndex(i => i.Equals(TestData <T> .MakeData(size - 1))), Is.EqualTo(size * 2 - 1));
}
public int FindLastIndexWithCountReturnsPositionWhenFoundOtherwiseNegativeOne(T item, int index, int count)
{
var sut = new CopyOnWriteList <T>(Samples.Concat(Samples));
return(sut.FindLastIndex(index, count, i => i.Equals(item)));
}
[Test] public void FindLastIndexChokesOnBadCount()
{
var sut = new CopyOnWriteList <T>(Samples);
Assert.Catch <ArgumentOutOfRangeException>(() => sut.FindLastIndex(0, -1, i => true));
}
