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RSpec.describe Magick::ImageList, "#quantize" do
it "works" do
image_list = described_class.new
image_list.read(IMAGES_DIR + '/Button_0.gif', IMAGES_DIR + '/Button_1.gif')
result = image_list.quantize
expect(result).to be_instance_of(described_class)
expect(result.scene).to eq(1)
expect { image_list.quantize(128) }.not_to raise_error
expect { image_list.quantize('x') }.to raise_error(TypeError)
expect { image_list.quantize(128, Magick::RGBColorspace) }.not_to raise_error
expect { image_list.quantize(128, 'x') }.to raise_error(TypeError)
expect { image_list.quantize(128, Magick::RGBColorspace, true, 0) }.not_to raise_error
expect { image_list.quantize(128, Magick::RGBColorspace, true) }.not_to raise_error
expect { image_list.quantize(128, Magick::RGBColorspace, false) }.not_to raise_error
expect { image_list.quantize(128, Magick::RGBColorspace, Magick::NoDitherMethod) }.not_to raise_error
expect { image_list.quantize(128, Magick::RGBColorspace, Magick::RiemersmaDitherMethod) }.not_to raise_error
expect { image_list.quantize(128, Magick::RGBColorspace, Magick::FloydSteinbergDitherMethod) }.not_to raise_error
expect { image_list.quantize(128, Magick::RGBColorspace, Magick::FloydSteinbergDitherMethod, 32) }.not_to raise_error
expect { image_list.quantize(128, Magick::RGBColorspace, Magick::FloydSteinbergDitherMethod, 32, true) }.not_to raise_error
expect { image_list.quantize(128, Magick::RGBColorspace, Magick::FloydSteinbergDitherMethod, 32, false) }.not_to raise_error
expect { image_list.quantize(128, Magick::RGBColorspace, true, 'x') }.to raise_error(TypeError)
expect { image_list.quantize(128, Magick::RGBColorspace, true, 0, false, 'extra') }.to raise_error(ArgumentError)
end
end
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