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RSpec.describe Magick::Image, '#frame' do
it 'works' do
image = described_class.new(20, 20)
result = image.frame
expect(result).to be_instance_of(described_class)
expect(result).not_to be(image)
expect { image.frame(50) }.not_to raise_error
expect { image.frame(50, 50) }.not_to raise_error
expect { image.frame(50, 50, 25) }.not_to raise_error
expect { image.frame(50, 50, 25, 25) }.not_to raise_error
expect { image.frame(50, 50, 25, 25, 6) }.not_to raise_error
expect { image.frame(50, 50, 25, 25, 6, 6) }.not_to raise_error
expect { image.frame(50, 50, 25, 25, 6, 6, 'red') }.not_to raise_error
red = Magick::Pixel.new(Magick::QuantumRange)
expect { image.frame(50, 50, 25, 25, 6, 6, red) }.not_to raise_error
expect { image.frame(50, 50, 25, 25, 6, 6, 2) }.to raise_error(TypeError)
expect { image.frame(50, 50, 25, 25, 6, 6, red, 2) }.to raise_error(ArgumentError)
end
end
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