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RSpec.describe Magick::Image, '#stegano' do
it 'works' do
image = described_class.new(100, 100) { |options| options.background_color = 'black' }
watermark = described_class.new(10, 10) { |options| options.background_color = 'white' }
result = image.stegano(watermark, 0)
expect(result).to be_instance_of(described_class)
watermark.destroy!
expect { image.stegano(watermark, 0) }.to raise_error(Magick::DestroyedImageError)
end
it 'accepts an ImageList argument' do
image = described_class.new(20, 20)
image_list = Magick::ImageList.new
image_list.new_image(10, 10)
expect { image.stegano(image_list, 0) }.not_to raise_error
end
end
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