public void UseCurorTest()
{
const int size = 100;
var cl = new CursorList <string>();
foreach (var index in Enumerable.Range(0, size))
{
string msg = $"Index_{index}";
cl.Add(msg);
}
cl.Count.Should().Be(size);
var testList = new List <string>();
while (!cl.EndOfList)
{
testList.Add(cl.Next());
}
testList.Count.Should().Be(size);
cl.Zip(testList, (o, i) => new { o, i })
.All(x => x.o == x.i)
.Should().BeTrue();
}
public void CursorPushPopTest()
{
const int size = 100;
var cl = new CursorList <string>();
var rnd = new Random();
foreach (var index in Enumerable.Range(0, size))
{
string msg = $"Index_{index}";
cl.Add(msg);
}
cl.Count.Should().Be(size);
int rndIndex = rnd.Next(0, size - 10);
foreach (var index in Enumerable.Range(0, rndIndex))
{
cl.Next();
}
int saveCursor = cl.Cursor;
string saveValue = cl.Current;
cl.SaveCursor();
foreach (var index in Enumerable.Range(0, 5))
{
cl.Next();
}
saveValue.Should().NotBe(cl.Current);
(saveCursor + 5).Should().Be(cl.Cursor);
cl.RestoreCursor();
saveCursor.Should().Be(cl.Cursor);
saveValue.Should().Be(cl.Current);
}
public void SetCursorTest()
{
const int size = 100;
var cl = new CursorList <string>();
foreach (var index in Enumerable.Range(0, size))
{
string msg = $"Index_{index}";
cl.Add(msg);
}
cl.Count.Should().Be(size);
var testList = new List <string>(Enumerable.Range(0, size).Select(x => ""));
foreach (var index in Enumerable.Range(0, size))
{
testList[index] = cl.Current;
cl.Cursor++;
}
bool test = false;
try
{
cl.Cursor++;
cl.Next();
test = true;
}
catch (InvalidOperationException)
{
test = false;
}
test.Should().BeFalse();
testList.Count.Should().Be(size);
cl.Zip(testList, (o, i) => new { o, i })
.All(x => x.o == x.i)
.Should().BeTrue();
}