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RSpec.describe Magick::Image, '#raise' do
it 'works' do
image = described_class.new(20, 20)
result = image.raise
expect(result).to be_instance_of(described_class)
expect { image.raise(4) }.not_to raise_error
expect { image.raise(4, 4) }.not_to raise_error
expect { image.raise(4, 4, false) }.not_to raise_error
expect { image.raise('x') }.to raise_error(TypeError)
expect { image.raise(2, 'x') }.to raise_error(TypeError)
expect { image.raise(4, 4, false, 2) }.to raise_error(ArgumentError)
end
end
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