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RSpec.describe Magick::Image, '#solarize' do
it 'works' do
image = described_class.new(20, 20)
result = image.solarize
expect(result).to be_instance_of(described_class)
expect { image.solarize(100) }.not_to raise_error
expect { image.solarize(-100) }.to raise_error(ArgumentError)
expect { image.solarize(Magick::QuantumRange + 1) }.to raise_error(ArgumentError)
expect { image.solarize(100, 2) }.to raise_error(ArgumentError)
expect { image.solarize('x') }.to raise_error(TypeError)
end
end
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