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RSpec.describe Magick::Image, '#extract_info' do
it 'works' do
image = described_class.new(100, 100)
expect { image.extract_info }.not_to raise_error
expect(image.extract_info).to be_instance_of(Magick::Rectangle)
ext = image.extract_info
expect(ext.x).to eq(0)
expect(ext.y).to eq(0)
expect(ext.width).to eq(0)
expect(ext.height).to eq(0)
ext = Magick::Rectangle.new(1, 2, 3, 4)
expect { image.extract_info = ext }.not_to raise_error
expect(ext.width).to eq(1)
expect(ext.height).to eq(2)
expect(ext.x).to eq(3)
expect(ext.y).to eq(4)
expect { image.extract_info = 2 }.to raise_error(TypeError)
end
end
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