//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="hlsf-test"
// Project: StgSharp
// AuthorGroup: Nitload
// Copyright (c) Nitload. All rights reserved.
//     
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//     
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using StgSharp.HighPerformance.Memory;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace StgSharp
{
    internal partial class Program
    {

        public static void TestHlsf()
        {
            // HLSF test arena
            Console.WriteLine(
                    "=== HLSF (Hybrid Layer Segregated Fit Allocator) Single-threaded Stress Test ===\n");
            HybridLayerSegregatedFitAllocator hlsfAllocator = new HybridLayerSegregatedFitAllocator(1024 * 1024 * 1024);

            // === 简洁交替测试：100次alloc与100次free交替进行，直到触发异常或达到最大循环 ===
            Console.WriteLine("\n=== 简洁交替测试：100次alloc + 100次free 交替 ===");

            int maxRounds = 10000; // 可调整
            uint[] sizes = {
                64u, 128u, 256u, 512u, 1024u
            };
            Random rnd = new Random(42);
            for (int round = 1; round <= maxRounds; round++)
            {
                // 100 次分配
                List<HybridLayerSegregatedFitAllocationHandle> batch = new List<HybridLayerSegregatedFitAllocationHandle>(100);
                for (int i = 0; i < 100; i++)
                {
                    uint sz = sizes[rnd.Next(sizes.Length)];
                    batch.Add(hlsfAllocator.Alloc(sz));
                    Console.WriteLine($"alloced:{i}");
                }

                // 100 次释放（逆序）
                for (int i = batch.Count - 1; i >= 0; i--)
                {
                    hlsfAllocator.Free(batch[i]);
                    Console.WriteLine($"freed:{i}");
                }
                if (round % 100 == 0) {
                    Console.WriteLine($"[交替测试] 已完成 {round} 轮 100alloc+100free");
                }
            }
            Console.WriteLine("[交替测试] 正常结束，无异常触发");
        }

    }
}