public void FindIndexChokesOnBadIndex(Position position)
{
var index = PositionToIndex(position);
var sut = new CopyOnWriteList <T>(Samples);
Assert.Catch <ArgumentOutOfRangeException>(() => sut.FindIndex(index, i => true));
Assert.Catch <ArgumentOutOfRangeException>(() => sut.FindIndex(index, 0, i => true));
}
[Test] public void FindIndexChokesOnNullMatchCriteria()
{
var sut = new CopyOnWriteList <T>(Samples);
Assert.Catch <ArgumentNullException>(() => sut.FindIndex(null));
Assert.Catch <ArgumentNullException>(() => sut.FindIndex(0, null));
Assert.Catch <ArgumentNullException>(() => sut.FindIndex(0, 0, null));
}
[Test] public void FindIndexReturnsLastPositionWhenFoundOtherwiseNegativeOne()
{
var sut = new CopyOnWriteList <T>(Samples.Concat(Samples));
var size = SampleSize;
sut[size * 2 - 1] = TestData <T> .MakeData(size);
Assert.That(sut.FindIndex(i => i.Equals(TestData <T> .M1)), Is.EqualTo(-1));
Assert.That(sut.FindIndex(i => i.Equals(TestData <T> .Zero)), Is.EqualTo(0));
Assert.That(sut.FindIndex(i => i.Equals(TestData <T> .Two)), Is.EqualTo(2));
Assert.That(sut.FindIndex(i => i.Equals(TestData <T> .MakeData(size))), Is.EqualTo(size * 2 - 1));
}
public int FindIndexWithCountReturnsPositionWhenFoundOtherwiseNegativeOne(T item, int index, int count)
{
var sut = new CopyOnWriteList <T>(Samples);
return(sut.FindIndex(index, count, i => i.Equals(item)));
}
[Test] public void FindIndexChokesOnBadCount()
{
var sut = new CopyOnWriteList <T>(Samples);
Assert.Catch <ArgumentOutOfRangeException>(() => sut.FindIndex(0, -1, i => true));
}