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RSpec.describe Magick::ImageList, "#ping" do
it "works" do
image_list = described_class.new
expect { image_list.ping(FLOWER_HAT) }.not_to raise_error
expect(image_list.length).to eq(1)
expect(image_list.scene).to eq(0)
expect { image_list.ping(FLOWER_HAT, FLOWER_HAT) }.not_to raise_error
expect(image_list.length).to eq(3)
expect(image_list.scene).to eq(2)
expect { image_list.ping(FLOWER_HAT) { |options| options.background_color = 'red ' } }.not_to raise_error
expect(image_list.length).to eq(4)
expect(image_list.scene).to eq(3)
end
end
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