public void RedoRaiseEvent()
{
var target = new RedoUndoService <string>(3);
target.Do("A");
target.Do("B");
target.Do("C");
target.Undo();
target.Undo();
var actualRedoDto = target.Redo();
var expectedUndoDto = "B";
Assert.AreEqual(expectedUndoDto, actualRedoDto);
var actualDoList = target.DoList;
var expectedDoList = new Stack <string>(new[] { "A", "B" });
Assert.AreEqual(expectedDoList, actualDoList);
var actualRedoList = target.RedoList;
var expectedRedoList = new Stack <string>(new[] { "C" });
Assert.AreEqual(expectedRedoList, actualRedoList);
}
public void MaxStep2Do3Times_Then_DoList()
{
var target = new RedoUndoService <string>(2);
target.Do("A");
target.Do("B");
target.Do("C");
var actual = target.DoList;
var expected = new Stack <string>(new[] { "B", "C" });
actual.Should().BeEquivalentTo(expected);
}
public void Do2TimesAndUndo2Times_Then_RedoList()
{
var target = new RedoUndoService <string>(3);
target.Do("A");
target.Do("B");
target.Undo();
target.Undo();
var actual = target.RedoList;
var expected = new Stack <string>(new[] { "B", "A" });
actual.Should().BeEquivalentTo(expected);
}
public void Do3TimesAndUndo1TimesAndDo1Time_Then_RedoList()
{
var target = new RedoUndoService <string>(5);
target.Do("A");
target.Do("B");
target.Do("C");
target.Undo();
target.Do("D");
var actual = target.RedoList;
var expected = new Stack <string>();
actual.Should().BeEquivalentTo(expected);
}
public void MaxStep2Do2TimesAndUndo3Times()
{
var target = new RedoUndoService <string>(2);
target.Do("A");
target.Do("B");
target.Undo();
target.Undo();
target.Undo();
var actualDoList = target.DoList;
var expectedDoList = new Stack <string>();
actualDoList.Should().BeEquivalentTo(expectedDoList);
var actualRedoList = target.RedoList;
var expectedRedoList = new Stack <string>(new[] { "B", "A" });
actualRedoList.Should().BeEquivalentTo(expectedRedoList);
}
