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RSpec.describe Magick::Draw, '#rectangle' do
it 'works' do
draw = described_class.new
image = Magick::Image.new(200, 200)
draw.rectangle(10, '10', 100, 100)
expect(draw.inspect).to eq('rectangle 10,10 100,100')
expect { draw.draw(image) }.not_to raise_error
expect { draw.rectangle('x', 10, 20, 20) }.to raise_error(ArgumentError)
expect { draw.rectangle(10, 'x', 20, 20) }.to raise_error(ArgumentError)
expect { draw.rectangle(10, 10, 'x', 20) }.to raise_error(ArgumentError)
expect { draw.rectangle(10, 10, 20, 'x') }.to raise_error(ArgumentError)
end
end
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