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#!/usr/bin/env ruby -w
require 'rmagick'
require 'test/unit'
require 'test/unit/ui/console/testrunner' unless RUBY_VERSION[/^1\.9|^2/]
class Preview_UT < Test::Unit::TestCase
def test_preview
preview_types = [
Magick::RotatePreview,
Magick::ShearPreview,
Magick::RollPreview,
Magick::HuePreview,
Magick::SaturationPreview,
Magick::BrightnessPreview,
Magick::GammaPreview,
Magick::SpiffPreview,
Magick::DullPreview,
Magick::GrayscalePreview,
Magick::QuantizePreview,
Magick::DespecklePreview,
Magick::ReduceNoisePreview,
Magick::AddNoisePreview,
Magick::SharpenPreview,
Magick::BlurPreview,
Magick::ThresholdPreview,
Magick::EdgeDetectPreview,
Magick::SpreadPreview,
Magick::SolarizePreview,
Magick::ShadePreview,
Magick::RaisePreview,
Magick::SegmentPreview,
Magick::SwirlPreview,
Magick::ImplodePreview,
Magick::WavePreview,
Magick::OilPaintPreview,
Magick::CharcoalDrawingPreview,
Magick::JPEGPreview ]
hat = Magick::Image.read(IMAGES_DIR+'/Flower_Hat.jpg').first
assert_nothing_raised do
prev = hat.preview(Magick::RotatePreview)
assert_instance_of(Magick::Image, prev)
end
puts "\n"
preview_types.each do |type|
puts "testing #{type}..."
assert_nothing_raised { hat.preview(type) }
end
assert_raise(TypeError) { hat.preview(2) }
end
end
if __FILE__ == $PROGRAM_NAME
IMAGES_DIR = '../doc/ex/images'
Test::Unit::UI::Console::TestRunner.run(Preview_UT) unless RUBY_VERSION[/^1\.9|^2/]
end
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