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RSpec.describe Magick::Image, '#resize' do
it 'works' do
image = described_class.new(20, 20)
result = image.resize(2)
expect(result).to be_instance_of(described_class)
expect { image.resize(50, 50) }.not_to raise_error
Magick::FilterType.values do |filter|
expect { image.resize(50, 50, filter) }.not_to raise_error
end
expect { image.resize(50, 50, Magick::PointFilter, 2.0) }.not_to raise_error
expect { image.resize('x') }.to raise_error(TypeError)
expect { image.resize(50, 'x') }.to raise_error(TypeError)
expect { image.resize(50, 50, 2) }.to raise_error(TypeError)
expect { image.resize(50, 50, Magick::CubicFilter, 'x') }.to raise_error(TypeError)
expect { image.resize(-1.0) }.to raise_error(ArgumentError)
expect { image.resize(0, 50) }.to raise_error(ArgumentError)
expect { image.resize(50, 0) }.to raise_error(ArgumentError)
expect { image.resize(50, 50, Magick::SincFilter, 2.0, 'x') }.to raise_error(ArgumentError)
expect { image.resize }.to raise_error(ArgumentError)
end
end
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