public async Task BasicAddingTest()
{
// Act
var results = await algorithm.AddWatermark(CancellationToken.None).ToListAsync();
var watermarked = results[0];
var cleaned = results[1];
var extractedWatermark = results[2];
// Assert
watermarked.Label.Should().Be("Watermarked");
cleaned.Label.Should().Be("Cleaned");
extractedWatermark.Label.Should().Be("Extracted watermark");
AssertBitmapsAreEqual(watermarked.Image, new Color[2, 2] {
{ Color.FromArgb(255, 0, 0), Color.FromArgb(1, 254, 0) },
{ Color.FromArgb(0, 0, 2), Color.FromArgb(0, 0, 3) }
});
// Cleaning process has a random element. The cleaned image will not be tested.
AssertBitmapsAreEqual(extractedWatermark.Image, new Color[2, 2] {
{ Color.FromArgb(255, 0, 0), Color.FromArgb(255, 0, 0) },
{ Color.FromArgb(0, 0, 0), Color.FromArgb(0, 0, 255) }
});
}
protected override Task ProcessAdding(CancellationToken ct)
{
return(Task.Run(async() =>
{
ct.ThrowIfCancellationRequested();
var p = ReadParameters();
ct.ThrowIfCancellationRequested();
var algorithm = new Lsb(p);
var result = algorithm.AddWatermark(ct);
await ShowAlgorithmOutput(result);
}));
}
