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RSpec.describe Magick::Image, '#sample' do
it 'works' do
image = described_class.new(20, 20)
result = image.sample(10, 10)
expect(result).to be_instance_of(described_class)
expect { image.sample(2) }.not_to raise_error
expect { image.sample }.to raise_error(ArgumentError)
expect { image.sample(0) }.to raise_error(ArgumentError)
expect { image.sample(0, 25) }.to raise_error(ArgumentError)
expect { image.sample(25, 0) }.to raise_error(ArgumentError)
expect { image.sample(25, 25, 25) }.to raise_error(ArgumentError)
expect { image.sample('x') }.to raise_error(TypeError)
expect { image.sample(10, 'x') }.to raise_error(TypeError)
end
end
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