public async Task ImageLoader_Test()
{
var imagePath = @"..\..\Files\t10k-images.idx3-ubyte";
var labelPath = @"..\..\Files\t10k-labels.idx1-ubyte";
var loader = new ImageLoader();
var tmp = new CallbackModelWrapper(imagePath, labelPath);
var model = loader.PopulateImages(tmp);
var tmp2 = new CallbackModelWrapper(imagePath, labelPath);
var model2 = await loader.PopulateImagesAsync(tmp2);
foreach (var image in model.Images)
{
var image2 = model2.Images.FirstOrDefault(t => t.orderInCollection == image.orderInCollection);
Assert.IsNotNull(image2, "sync image can't be found from async collection");
//assert label
Assert.IsTrue(image.label.Equals(image2.label));
//assert pixel data
Enumerable.Range(0, image.pixels.Length - 1).ToList().ForEach(index =>
{
//await Task.Delay(20);
Enumerable.Range(0, image.pixels[index].Length - 1).ToList().ForEach(index1 =>
{
Assert.IsTrue(image.pixels[index][index1].Equals(image2.pixels[index][index1]), string.Format("byte is different, index {0}/{1} contains different data => sync: {2} - async: {3}, image label => {4}", index, index1, image.pixels[index][index1], image2.pixels[index][index1], image.label));
});
});
}
}
static void Main(string[] args)
{
try
{
var loader = new ImageLoader();
var imagePath = @"..\..\Files\t10k-images.idx3-ubyte";
var labelPath = @"..\..\Files\t10k-labels.idx1-ubyte";
var model = new CallbackModelWrapper(imagePath, labelPath);
Func<CallbackModelWrapper, Task<CallbackModelWrapper>> coreFunc = (x) =>
{
return loader.PopulateImagesAsync(x);
};
Action finallyAction = () => { };
model = GenericCallbacks.ExecuteSafe(coreFunc, model, FinallyFun: finallyAction).Result;
foreach (var image in model.Images)
{
Console.WriteLine(image.ToString());
Console.ReadLine();
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
Console.WriteLine("\nEnd\n");
Console.ReadLine();
}
