public void Append_Add_Item_To_End()
{
var source = new List <int> {
0, 1, 2, 3, 4, 5, 6, 7
};
var result = EnumerableExtensions.Append(source, -1);
var aResult = result.ToArray();
Assert.Equal(-1, aResult[aResult.Length - 1]);
Assert.Equal(7, aResult[aResult.Length - 2]);
Assert.Equal(8, source.Count());
Assert.Equal(9, aResult.Length);
}
public void Append()
{
tlog.Debug(tag, $"Append START");
try
{
var list = new List <GestureRecognizer>()
{
new GestureRecognizer()
};
var ret = EnumerableExtensions.Append <GestureRecognizer>(list, new GestureRecognizer());
Assert.IsNotNull(ret, "should not be null");
}
catch (Exception e)
{
Assert.Fail("Catch exception: " + e.Message.ToString());
}
tlog.Debug(tag, $"Append END");
}
/// <summary>
///
/// </summary>
/// <param name="first"></param>
/// <param name="second"></param>
public void Add(TFirst first, TSecond second)
{
IEnumerable <TSecond> secondList;
if (!Forward.TryGetValue(first, out secondList))
{
secondList = new List <TSecond>();
Forward[first] = secondList;
}
IEnumerable <TFirst> firstList;
if (!Backward.TryGetValue(second, out firstList))
{
firstList = new List <TFirst>();
Backward[second] = firstList;
}
Forward[first] = EnumerableExtensions.Append(secondList, second);
Backward[second] = EnumerableExtensions.Append(firstList, first);
}