public void AGlobalUndoLimitShouldBeEnforced()
{
string key = "key";
var mockTask = new MockUnit();
string expectedValue1 = "1";
var target = new UndoService();
target.SetMaximumUndoCount(2, key);
Assert.AreEqual(0, target.GetUnitCount(UndoService.UnitType.Repeatable, key), "Repeatable unit count should be 0.");
Assert.AreEqual(0, target.GetUnitCount(UndoService.UnitType.Undoable, key), "Undoable unit count should be 0.");
Assert.AreEqual(0, target.GetUnitCount(UndoService.UnitType.Redoable, key), "Redoable unit count should be 0.");
for (int i = 0; i < 5; i++)
{
target.PerformUnit(mockTask, expectedValue1, key);
}
Assert.AreEqual(2, target.GetUnitCount(UndoService.UnitType.Repeatable, key), "Repeatable tasks.");
Assert.AreEqual(0, target.GetUnitCount(UndoService.UnitType.Undoable, key), "Undoable tasks.");
Assert.AreEqual(0, target.GetUnitCount(UndoService.UnitType.Redoable, key), "Redoable tasks.");
MockUndoableUnit mockUndoableUnit = new MockUndoableUnit();
for (int i = 0; i < 5; i++)
{
target.PerformUnit(mockUndoableUnit, i.ToString(), key);
}
Assert.AreEqual(2, target.GetUnitCount(UndoService.UnitType.Repeatable, key), "Repeatable tasks.");
Assert.AreEqual(2, target.GetUnitCount(UndoService.UnitType.Undoable, key), "Undoable tasks.");
}