public void PageIndex_CanCorrectlyUpdatePageIndex_ChangePageMethodUpdatesPageIndex(int itemCount,
int itemsPerPage, int startPageIndex,
HorizontalDirection direction, int expectedPageIndex)
{
// Arrange
int[] items = CreateIntArray(itemCount);
// Act
PageNavigator <int> pageNavigator = new PageNavigator <int>(items, out pageItems, itemsPerPage);
pageNavigator.SetPage(startPageIndex);
pageNavigator.ChangePage(direction);
// Assert
Assert.AreEqual(expectedPageIndex, pageNavigator.PageIndex);
}
public void PageItems_CanCreatePageItemArray_PageItemArrayContainsCorrectElements(int itemCount,
int itemsPerPage, int startPageIndex,
HorizontalDirection direction, int[] expectedIntArray)
{
// Arrange
int[] items = CreateIntArray(itemCount);
// Act
PageNavigator <int> pageNavigator = new PageNavigator <int>(items, out pageItems, itemsPerPage);
pageNavigator.PageChanged += PageChanged;
pageNavigator.SetPage(startPageIndex);
pageNavigator.ChangePage(direction);
// Assert
CollectionAssert.AreEqual(expectedIntArray, pageItems);
}
public override void Execute() => _navigator.ChangePage(_page);