ImageSharp/tests/ImageSharp.Tests/TestUtilities/TestMemoryManager.cs

// Copyright (c) Six Labors.
// Licensed under the Six Labors Split License.

using System.Buffers;

namespace SixLabors.ImageSharp.Tests;

public class TestMemoryManager<T> : MemoryManager<T>
    where T : struct
{
    public TestMemoryManager(T[] pixelArray)
    {
        this.PixelArray = pixelArray;
    }

    public T[] PixelArray { get; private set; }

    public bool IsDisposed { get; private set; }

    public override Span<T> GetSpan()
    {
        return this.PixelArray;
    }

    public override MemoryHandle Pin(int elementIndex = 0)
    {
        throw new NotImplementedException();
    }

    public override void Unpin()
    {
        throw new NotImplementedException();
    }

    public static TestMemoryManager<T> CreateAsCopyOf(Span<T> copyThisBuffer)
    {
        T[] pixelArray = new T[copyThisBuffer.Length];
        copyThisBuffer.CopyTo(pixelArray);
        return new TestMemoryManager<T>(pixelArray);
    }

    protected override void Dispose(bool disposing)
    {
        this.IsDisposed = true;
        this.PixelArray = null;
    }
}