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RSpec.describe Magick::Pixel, '#fcmp' do
it 'works' do
red = described_class.from_color('red')
blue = described_class.from_color('blue')
expect { red.fcmp(red) }.not_to raise_error
expect(red.fcmp(red)).to be(true)
expect(red.fcmp(blue)).to be(false)
expect { red.fcmp(blue, 10) }.not_to raise_error
expect { red.fcmp(blue, 10, Magick::RGBColorspace) }.not_to raise_error
expect { red.fcmp(blue, 'x') }.to raise_error(TypeError)
expect { red.fcmp(blue, 10, 'x') }.to raise_error(TypeError)
expect { red.fcmp }.to raise_error(ArgumentError)
expect { red.fcmp(blue, 10, 'x', 'y') }.to raise_error(ArgumentError)
end
end
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