public void Compare_Equals()
{
var document = new HtmlDocument();
document.LoadHtml("<p><span id='id1'>1</span><span id='id2'>2</span></p>");
var element1 = document.SelectSingleNode("//span[@id='id1']");
var element2 = document.SelectSingleNode("//span[@id='id2']");
var comparer = new HtmlNodeDepthComparer();
Assert.Equal(0, comparer.Compare(element1, element2));
}
public void Compare_DirectionDescending_LessThan()
{
var document = new HtmlDocument();
document.LoadHtml("<p><span id='id1'>1</span><p><span id='id2'>2</span></p></p>");
var element1 = document.SelectSingleNode("//span[@id='id1']");
var element2 = document.SelectSingleNode("//span[@id='id2']");
var comparer = new HtmlNodeDepthComparer();
comparer.Direction = ListSortDirection.Descending;
Assert.Equal(1, comparer.Compare(element1, element2));
Assert.Equal(-1, comparer.Compare(element2, element1));
}