using System;
using System.IO;

public static class ShaftBreakCenterLineTests
{
    public static int Main()
    {
        try
        {
            SquareShaftCenterLineSkipsBreakGap();
            Console.WriteLine("Shaft break centerline tests passed.");
            return 0;
        }
        catch (Exception ex)
        {
            Console.Error.WriteLine(ex.Message);
            return 1;
        }
    }

    private static void SquareShaftCenterLineSkipsBreakGap()
    {
        var sourcePath = Path.Combine("Cad", "ShaftRawFreeForgeSquareShaftDrawer.cs");
        var source = File.ReadAllText(sourcePath);

        if (source.Contains("var centerLine = new Line(new Point3d(ox - 10, clY, 0), new Point3d(ox + S1 + 10, clY, 0));"))
        {
            throw new InvalidOperationException(sourcePath + ": square shaft centerline must not pass through the break gap.");
        }

        if (!source.Contains("DrawHorizontalCenterLine(ctx, clY, ox, ox + S1, needBreakLines, xBreak, lineSpacing, oy, oy + S2);"))
        {
            throw new InvalidOperationException(sourcePath + ": square shaft centerline must reuse the break-aware centerline drawing.");
        }
    }
}