public void BackgroundPageMapper_WithRepeatAll_RepeatsAllPages(int numBackgroundPages, int[] expectedPages)
{
_backgroundSettings.Repetition = BackgroundRepetition.RepeatAllPages;
var pageMapper = new BackgroundPageMapper(numBackgroundPages, _backgroundSettings, 0, 0);
CollectionAssert.AreEqual(expectedPages, GetPageSequence(expectedPages.Length, pageMapper));
}
public void BackgroundPageMapper_WithRepeatLast_AddsLastPageAfterFirstIteration(int numBackgroundPages, int[] expectedPages)
{
_backgroundSettings.Repetition = BackgroundRepetition.RepeatLastPage;
var pageMapper = new BackgroundPageMapper(numBackgroundPages, _backgroundSettings, 0, 0);
CollectionAssert.AreEqual(expectedPages, GetPageSequence(expectedPages.Length, pageMapper));
}
public void GetBackgroundPage_ForInvalidPage_ThrowsArgumentException(int invalidPageNumber)
{
int numPages = 1;
var pageMapper = new BackgroundPageMapper(1, new BackgroundPage(), 0, 0);
int bgPage;
Assert.Throws <ArgumentException>(() => pageMapper.GetBackgroundPageNumber(invalidPageNumber, numPages, out bgPage));
}
public void BackgroundPageMapper_WithRepeatAllAndSkipAttachment_RepeatsAllPagesWithoutAttachment(int numBackgroundPages, int[] expectedPages)
{
_backgroundSettings.Repetition = BackgroundRepetition.RepeatAllPages;
_backgroundSettings.OnAttachment = false;
var pageMapper = new BackgroundPageMapper(numBackgroundPages, _backgroundSettings, 0, 3);
CollectionAssert.AreEqual(expectedPages, GetPageSequence(expectedPages.Length, pageMapper));
}
private int MapPage(int page, int numPages, BackgroundPageMapper mapper)
{
int bgPage;
if (!mapper.GetBackgroundPageNumber(page, numPages, out bgPage))
{
return(-1);
}
return(bgPage);
}
private IEnumerable <int> GetPageSequence(int numPages, BackgroundPageMapper backgroundPageMapper)
{
return(Enumerable
.Range(1, numPages)
.Select(p => MapPage(p, numPages, backgroundPageMapper)));
}
