public void ShouldThrowExceptionWhenStopColorIsNull()
{
using (var image = new MagickImage())
{
Assert.Throws <ArgumentNullException>("stopColor", () => image.ColorThreshold(new MagickColor(), null));
}
}
public void ShouldChangeTheImageToBlackAndWhite()
{
using (var image = new MagickImage(Files.FujiFilmFinePixS1ProPNG))
{
var startColor = MagickColor.FromRgb(60, 110, 150);
var stopColor = MagickColor.FromRgb(70, 120, 170);
image.ColorThreshold(startColor, stopColor);
ColorAssert.Equal(MagickColors.White, image, 300, 160);
ColorAssert.Equal(MagickColors.Black, image, 300, 260);
}
}
public void ShouldThrowExceptionWhenStartColorIsNull()
{
using (IMagickImage image = new MagickImage())
{
ExceptionAssert.Throws <ArgumentNullException>("startColor", () => image.ColorThreshold(null, new MagickColor()));
}
}