SDL3-CS/SDL3-CS.Tests/Program.cs

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.

using System.Diagnostics;
using System.Text;
using SDL;
using static SDL.SDL3;

namespace SDL3.Tests
{
    public static class Program
    {
        public static void Main()
        {
            Console.OutputEncoding = Encoding.UTF8;

            unsafe
            {
                // Encoding.UTF8.GetBytes can churn out null pointers and doesn't guarantee null termination
                fixed (byte* badPointer = Encoding.UTF8.GetBytes(""))
                    Debug.Assert(badPointer == null);

                fixed (byte* pointer = UTF8GetBytes(""))
                {
                    Debug.Assert(pointer != null);
                    Debug.Assert(pointer[0] == '\0');
                }
            }

            SDL_SetHint(SDL_HINT_WINDOWS_CLOSE_ON_ALT_F4, "null byte \0 in string"u8);
            Debug.Assert(SDL_GetHint(SDL_HINT_WINDOWS_CLOSE_ON_ALT_F4) == "null byte ");

            SDL_SetHint(SDL_HINT_WINDOWS_CLOSE_ON_ALT_F4, "1"u8);
            SDL_SetHint(SDL_HINT_WINDOWS_CLOSE_ON_ALT_F4, "1");

            using (var window = new MyWindow())
            {
                Console.WriteLine($"SDL revision: {SDL_GetRevision()}");

                printDisplays();

                window.Setup();
                window.Create();

                const SDL_Keymod state = SDL_Keymod.SDL_KMOD_CAPS | SDL_Keymod.SDL_KMOD_ALT;
                SDL_SetModState(state);
                Debug.Assert(SDL_GetModState() == state);

                window.Run();
            }

            SDL_Quit();
        }

        private static void printDisplays()
        {
            using var displays = SDL_GetDisplays();
            if (displays == null)
                return;

            for (int i = 0; i < displays.Count; i++)
            {
                SDL_DisplayID id = displays[i];
                Console.WriteLine(id);

                using var modes = SDL_GetFullscreenDisplayModes(id);
                if (modes == null)
                    continue;

                for (int j = 0; j < modes.Count; j++)
                {
                    SDL_DisplayMode mode = modes[j];
                    Console.WriteLine($"{mode.w}x{mode.h}@{mode.refresh_rate}");
                }
            }
        }
    }
}