public void SmallSize()
{
const int dividor = 2;
var target = new UndoRedoRingBuffer <int>(dividor);
Assert.AreEqual(0, target.Count);
Assert.IsFalse(target.CanGoBackward);
Assert.IsFalse(target.CanGoForward);
Assert.AreEqual(new ModuloArithmetic(dividor), target.TopIndex);
Assert.IsFalse(target.BottomIndex.IsValid);
Assert.IsFalse(target.CurrentIndex.IsValid);
target.Add(100);
Assert.AreEqual(1, target.Count);
Assert.IsTrue(target.CanGoBackward);
Assert.IsFalse(target.CanGoForward);
Assert.AreEqual(new ModuloArithmetic(dividor), target.TopIndex);
Assert.AreEqual(new ModuloArithmetic(dividor), target.BottomIndex);
Assert.AreEqual(new ModuloArithmetic(dividor), target.CurrentIndex);
target.Add(200);
target.Add(300);
Assert.AreEqual(2, target.Count);
Assert.IsTrue(target.CanGoBackward);
Assert.IsFalse(target.CanGoForward);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 1
}, target.TopIndex);
Assert.AreEqual(new ModuloArithmetic(dividor), target.BottomIndex);
Assert.AreEqual(new ModuloArithmetic(dividor), target.CurrentIndex);
}
public void Test()
{
const int dividor = 3;
var target = new UndoRedoRingBuffer <int>(dividor);
Assert.AreEqual(0, target.Count);
Assert.IsFalse(target.CanGoBackward);
Assert.IsFalse(target.CanGoForward);
Assert.AreEqual(new ModuloArithmetic(dividor), target.TopIndex);
Assert.IsFalse(target.BottomIndex.IsValid);
Assert.IsFalse(target.CurrentIndex.IsValid);
target.Add(100);
Assert.AreEqual(1, target.Count);
Assert.IsTrue(target.CanGoBackward);
Assert.IsFalse(target.CanGoForward);
Assert.AreEqual(new ModuloArithmetic(dividor), target.TopIndex);
Assert.AreEqual(new ModuloArithmetic(dividor), target.BottomIndex);
Assert.AreEqual(new ModuloArithmetic(dividor), target.CurrentIndex);
target.Add(200);
target.Add(300);
Assert.AreEqual(3, target.Count);
Assert.IsTrue(target.CanGoBackward);
Assert.IsFalse(target.CanGoForward);
Assert.AreEqual(new ModuloArithmetic(dividor), target.TopIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 2
}, target.BottomIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 2
}, target.CurrentIndex);
Assert.IsTrue(target.GoBackward());
Assert.AreEqual(200, target.Current);
Assert.IsTrue(target.CanGoBackward);
Assert.IsTrue(target.CanGoForward);
Assert.AreEqual(new ModuloArithmetic(dividor), target.TopIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 2
}, target.BottomIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 1
}, target.CurrentIndex);
Assert.IsTrue(target.GoBackward());
Assert.AreEqual(100, target.Current);
Assert.IsTrue(target.CanGoBackward);
Assert.IsTrue(target.CanGoForward);
Assert.AreEqual(new ModuloArithmetic(dividor), target.TopIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 2
}, target.BottomIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 0
}, target.CurrentIndex);
Assert.IsTrue(target.GoBackward());
Assert.IsFalse(target.CanGoBackward);
Assert.AreEqual(new ModuloArithmetic(dividor), target.TopIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 2
}, target.BottomIndex);
Assert.IsFalse(target.CurrentIndex.IsValid);
Assert.IsTrue(target.GoForward());
Assert.IsTrue(target.CanGoBackward);
Assert.IsTrue(target.CanGoForward);
Assert.AreEqual(100, target.Current);
Assert.AreEqual(new ModuloArithmetic(dividor), target.TopIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 2
}, target.BottomIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 0
}, target.CurrentIndex);
Assert.IsTrue(target.GoForward());
Assert.IsTrue(target.CanGoBackward);
Assert.IsTrue(target.CanGoForward);
Assert.AreEqual(200, target.Current);
Assert.AreEqual(new ModuloArithmetic(dividor), target.TopIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 2
}, target.BottomIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 1
}, target.CurrentIndex);
Assert.IsTrue(target.GoForward());
Assert.IsTrue(target.CanGoBackward);
Assert.IsFalse(target.CanGoForward);
Assert.AreEqual(300, target.Current);
Assert.AreEqual(new ModuloArithmetic(dividor), target.TopIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 2
}, target.BottomIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 2
}, target.CurrentIndex);
Assert.IsTrue(target.GoBackward());
Assert.IsTrue(target.GoBackward());
Assert.IsTrue(target.GoBackward());
Assert.AreEqual(new ModuloArithmetic(dividor), target.TopIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 2
}, target.BottomIndex);
Assert.IsFalse(target.CurrentIndex.IsValid);
target.Add(500);
Assert.AreEqual(dividor, target.Count);
Assert.IsTrue(target.CanGoBackward);
Assert.IsFalse(target.CanGoForward);
Assert.AreEqual(500, target.Current);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 1
}, target.TopIndex);
Assert.AreEqual(new ModuloArithmetic(dividor), target.BottomIndex);
Assert.AreEqual(new ModuloArithmetic(dividor), target.CurrentIndex);
target.Add(600);
target.Add(700);
Assert.IsTrue(target.CanGoBackward);
Assert.IsFalse(target.CanGoForward);
Assert.AreEqual(700, target.Current);
Assert.AreEqual(new ModuloArithmetic(dividor), target.TopIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 2
}, target.BottomIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 2
}, target.CurrentIndex);
target.Add(-100);
Assert.IsTrue(target.CanGoBackward);
Assert.IsFalse(target.CanGoForward);
Assert.AreEqual(-100, target.Current);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 1
}, target.TopIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 0
}, target.BottomIndex);
Assert.AreEqual(new ModuloArithmetic(dividor)
{
Value = 0
}, target.CurrentIndex);
}
