internal static void CheckHeights(TextDocument document, HeightTree heightTree)
{
double[] heights = document.Lines.Select(l => heightTree.GetIsCollapsed(l) ? 0 : heightTree.GetHeight(l)).ToArray();
double[] visualPositions = new double[document.LineCount + 1];
for (int i = 0; i < heights.Length; i++)
{
visualPositions[i + 1] = visualPositions[i] + heights[i];
}
foreach (DocumentLine ls in document.Lines)
{
Assert.AreEqual(visualPositions[ls.LineNumber - 1], heightTree.GetVisualPosition(ls));
}
Assert.AreEqual(visualPositions[document.LineCount], heightTree.TotalHeight);
}
CollapsedLineSection SimpleCheck(int from, int to)
{
CollapsedLineSection sec1 = heightTree.CollapseText(document.GetLineByNumber(from), document.GetLineByNumber(to));
for (int i = 1; i < from; i++)
{
Assert.IsFalse(heightTree.GetIsCollapsed(i));
}
for (int i = from; i <= to; i++)
{
Assert.IsTrue(heightTree.GetIsCollapsed(i));
}
for (int i = to + 1; i <= 10; i++)
{
Assert.IsFalse(heightTree.GetIsCollapsed(i));
}
CheckHeights();
return(sec1);
}