public void Reset_NoItemsToTraverse_NoCrash()
{
var cut = new IndexTraverser(1, 0);
cut.Reset(5, 0);
cut.Current.Should().Be(0, "Because it's the default value");
}
public void MovePrevious_Decreased()
{
var cut = new IndexTraverser(1, 2);
cut.MovePrevious();
cut.Current.Should().Be(0, "Because it is decreased");
}
public void MoveNext_Incremented()
{
var cut = new IndexTraverser(0, 2);
cut.MoveNext();
cut.Current.Should().Be(1, "Because it is increased");
}
public void MovePrevious_TooLow_GoesAround()
{
var cut = new IndexTraverser(1, 2);
cut.MovePrevious();
cut.MovePrevious();
cut.Current.Should().Be(1, "Because it is decreased");
}
public void MoveNext_TooHigh_GoesAround()
{
var cut = new IndexTraverser(0, 2);
cut.MoveNext();
cut.MoveNext();
cut.Current.Should().Be(0, "Because it reached max");
}
public List <TextLine> GetOutput()
{
var output = new List <TextLine>
{
new TextLine(string.IsNullOrEmpty(m_textHandler.Text) ? ("Version: " + OpenRepoVersionService.GetCurrentVersion()) : m_textHandler.Text, ConsoleColor.White)
};
if (!string.IsNullOrEmpty(LogService.Message))
{
output.Add(new TextLine(string.Empty, ConsoleColor.Red));
output.Add(new TextLine(LogService.Message, ConsoleColor.Red));
output.Add(new TextLine(string.Empty, ConsoleColor.Red));
}
if (m_currentItems.Count > 0)
{
var tempTraverser = new IndexTraverser(m_traverser.Current, m_currentItems.Count);
var visibleItems = new List <SelectableItem>();
var max = m_currentItems.Count > 11 ? 11 : m_currentItems.Count;
var selected = max / 3;
for (var i = 0; i < selected; i++)
{
tempTraverser.MovePrevious();
}
for (var i = 0; i < max; i++)
{
visibleItems.Add(m_currentItems[tempTraverser.Current]);
tempTraverser.MoveNext();
}
for (var i = 0; i < visibleItems.Count; i++)
{
var item = visibleItems[i];
if (i == selected)
{
output.Add(new TextLine($"> {item.Title}", ConsoleColor.Gray));
}
else
{
output.Add(new TextLine($" {item.Title}", ConsoleColor.Gray));
}
}
}
return(output);
}