public static int AddToEndRandomAccessSequence(IEnumerable <int> input)
{
var list = RandomAccessSequence.Empty <int>();
list = list.AppendRange(input);
return(list.Count);
}
public void Test_HeadAndTailOfEmptySequence()
{
var empty = RandomAccessSequence.Empty <int>();
Assert.Throws <EmptyEnumerableException>(() => { var a = empty.Head; });
Assert.Throws <EmptyEnumerableException>(() => { var a = empty.Tail; });
Assert.Throws <EmptyEnumerableException>(() => { var a = empty.Init; });
Assert.Throws <EmptyEnumerableException>(() => { var a = empty.Last; });
}
private static int AddToBeginningRandomAccessSequence(IEnumerable <int> input)
{
var list = RandomAccessSequence.Empty <int>();
foreach (var i in input)
{
list = list.Prepend(i);
}
return(list.Count);
}
public void Test_IsEmptyWorksCorrectly <T>(T[] arr)
{
Assert.True(RandomAccessSequence.Empty <int>().IsEmpty);
PexAssume.IsNotNullOrEmpty(arr);
Assert.False(RandomAccessSequence.FromEnumerable(arr).IsEmpty);
}