public void Peek_ShouldNot_RemoveItem()
{
var arr = new List <string> {
"a", "b"
};
var obj = new CircularStack <string>(arr);
obj.Peek();
Assert.AreEqual(2, obj.Count);
obj.ShouldContainElementsReversed(arr);
}
public void Peek_Should_ReturnLastItem()
{
var expected = "b";
var arr = new List <string> {
"a", "b"
};
var obj = new CircularStack <string>(arr);
var actual = obj.Peek();
Assert.AreSame(expected, actual);
}
public void PeekPeekBottom01()
{
var capacity = 4;
var cq = new CircularStack <int>(capacity);
for (int i = 0; i < 6; i++)
{
cq.Push(i);
}
Assert.AreEqual(capacity, cq.Count());
Assert.AreEqual(5, cq.Peek());
Assert.AreEqual(2, cq.PeekBottom());
}
public void PushPop01()
{
var capacity = 4;
var cq = new CircularStack <int>(capacity);
cq.Push(0);
cq.Push(1);
cq.Push(2);
cq.Push(3);
cq.Pop();
cq.Pop();
Assert.AreEqual(1, cq.Peek());
Assert.AreEqual(0, cq.PeekBottom());
cq.Push(4);
cq.Push(5);
Assert.AreEqual(5, cq.Peek());
Assert.AreEqual(0, cq.PeekBottom());
cq.Push(6);
cq.Push(7);
Assert.AreEqual(7, cq.Peek());
Assert.AreEqual(4, cq.PeekBottom());
}
/// <summary>
///
/// </summary>
/// <returns></returns>
internal object Undo()
{
var img = HistoryUndo.Count == 1 ? HistoryUndo.Peek() : HistoryUndo.Pop();
if (img is Image)
{
HistoryRedo.Push(imgEditor.Image);
imgEditor.Image = img;
}
Host.OnCommandPropertiesChange(new CommandPropertiesChangeEventArgs(AddinCommand.Undo, HistoryUndo.Count > 1));
Host.OnCommandPropertiesChange(new CommandPropertiesChangeEventArgs(AddinCommand.Redo, HistoryRedo.Count > 0));
return(true);
}
public void Push_Should_WorkAfterPop()
{
var expected = "c";
var arr = new List <string> {
"a", "b", "d"
};
var obj = new CircularStack <string>(arr);
obj.Pop();
obj.Push(expected);
Assert.AreSame(expected, obj.Peek());
obj.ShouldContainElementsInOrder("c", "b", "a");
}