async Task ShouldBeAbleToEmbedAndExtractMessage(string imageName, string message)
{
var outputPath = $"{Environment.CurrentDirectory}/embedded-{imageName}";
_output.WriteLine(outputPath);
using var image = await Image.LoadAsync <Rgba32>($"resources/images/{imageName}");
_sut.EmbedMessage(image, message);
await image.SaveAsStegoAsync(outputPath);
using var imageWithPayload = await Image.LoadAsync <Rgba32>(outputPath);
var actualMessage = _sut.ExtractMessage(imageWithPayload);
actualMessage.Should().Be(message);
}
public long ExtractMessage()
{
return(_steganographer.ExtractMessage(_imageWithMessage).Length);
}