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require 'test/unit'
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require File.expand_path(File.join(File.dirname(__FILE__), '../lib/geometry')) unless Object.const_defined?(:Geometry)
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class GeometryTest < Test::Unit::TestCase
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def test_should_resize
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assert_geometry 50, 64,
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"50x50" => [39, 50],
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"60x60" => [47, 60],
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"100x100" => [78, 100]
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end
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def test_should_resize_no_width
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assert_geometry 50, 64,
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"x50" => [39, 50],
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"x60" => [47, 60],
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"x100" => [78, 100]
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end
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def test_should_resize_no_height
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assert_geometry 50, 64,
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"50" => [50, 64],
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"60" => [60, 77],
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"100" => [100, 128]
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end
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def test_should_resize_with_percent
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assert_geometry 50, 64,
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"50x50%" => [25, 32],
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"60x60%" => [30, 38],
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"120x112%" => [60, 72]
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end
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def test_should_resize_with_percent_and_no_width
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assert_geometry 50, 64,
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"x50%" => [50, 32],
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"x60%" => [50, 38],
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"x112%" => [50, 72]
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end
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def test_should_resize_with_percent_and_no_height
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assert_geometry 50, 64,
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"50%" => [25, 32],
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"60%" => [30, 38],
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"120%" => [60, 77]
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end
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def test_should_resize_with_less
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assert_geometry 50, 64,
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"50x50<" => [50, 64],
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"60x60<" => [50, 64],
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"100x100<" => [78, 100],
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"100x112<" => [88, 112],
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"40x70<" => [50, 64]
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end
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def test_should_resize_with_less_and_no_width
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assert_geometry 50, 64,
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"x50<" => [50, 64],
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"x60<" => [50, 64],
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"x100<" => [78, 100]
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end
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def test_should_resize_with_less_and_no_height
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assert_geometry 50, 64,
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"50<" => [50, 64],
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"60<" => [60, 77],
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"100<" => [100, 128]
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end
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def test_should_resize_with_greater
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assert_geometry 50, 64,
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"50x50>" => [39, 50],
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"60x60>" => [47, 60],
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"100x100>" => [50, 64],
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"100x112>" => [50, 64],
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"40x70>" => [40, 51]
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end
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def test_should_resize_with_greater_and_no_width
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assert_geometry 50, 64,
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"x40>" => [31, 40],
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"x60>" => [47, 60],
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"x100>" => [50, 64]
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end
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def test_should_resize_with_greater_and_no_height
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assert_geometry 50, 64,
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"40>" => [40, 51],
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"60>" => [50, 64],
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"100>" => [50, 64]
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end
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protected
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def assert_geometry(width, height, values)
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values.each do |geo, result|
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# run twice to verify the Geometry string isn't modified after a run
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geo = Geometry.from_s(geo)
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2.times { assert_equal result, [width, height] / geo }
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end
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end
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end
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