public void GetGlyph_WithDelay_ReturnsWithOffset()
{
var text = ImmutableList <char> .Empty.Add('a')
.Add('b').Add('c');
uint delay = 1;
uint endsDelay = 2;
uint millis = 0;
ISelector <char> selector = new ScrollingSelector <char>(
(d) => new Ticker(d, millis), delay, endsDelay, 1, text, ' ');
millis += endsDelay;
selector = selector.Tick(millis);
Assert.True(text.GetRange(1, 1).SequenceEqual(selector.GetSelected()));
Assert.AreEqual(delay, selector.NextTick(millis));
millis += delay;
selector = selector.Tick(millis);
Assert.True(text.GetRange(2, 1).SequenceEqual(selector.GetSelected()));
Assert.AreEqual(endsDelay, selector.NextTick(millis));
millis += endsDelay;
selector = selector.Tick(millis);
Assert.True(text.GetRange(0, 1).SequenceEqual(selector.GetSelected()));
Assert.AreEqual(endsDelay, selector.NextTick(millis));
}
public void GetSelected_Empty_ReturnsEmpty()
{
var selector = new ScrollingSelector <int>((a) => null,
1, 2, 1, ImmutableList <int> .Empty, 0);
Assert.AreEqual(ImmutableList <int> .Empty.Add(0), selector.GetSelected());
}
public void GetGlyph_PartialDisplay_ReturnsSubList()
{
var text = ImmutableList <char> .Empty.Add('a')
.Add('b').Add('c');
var selector = new ScrollingSelector <char>(
(d) => new Ticker(d, 0), 1, 2, 2, text, ' ');
Assert.True(text.GetRange(0, 2).SequenceEqual(selector.GetSelected()));
}
public void GetSelected_AtStart_ReturnsWithoutOffset()
{
var text = ImmutableList <char> .Empty.Add('a')
.Add('b');
var selector = new ScrollingSelector <char>(
(a) => null, 1, 2, 2, text, ' ');
Assert.AreEqual(text, selector.GetSelected());
}