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#! /usr/local/bin/ruby -w
require 'RMagick'
require 'test/unit'
require 'test/unit/ui/console/testrunner'
class Magick::Draw
def self._dummy_img_
@@_dummy_img_
end
end
class Draw_UT < Test::Unit::TestCase
def setup
@draw = Magick::Draw.new
end
# Ensure @@_dummy_img_ class var is working properly
def test_dummy_img
# initially this variable is not defined.
assert_raise(NameError) do
Magick::Draw._dummy_img_
end
# cause it to become defined. save the object id.
@draw.get_type_metrics("ABCDEF")
dummy = nil
assert_nothing_raised do
dummy = Magick::Draw._dummy_img_
end
assert_instance_of(Magick::Image, dummy)
# ensure that it is always the same object
@draw.get_type_metrics("ABCDEF")
dummy2 = nil
assert_nothing_raised do
dummy2 = Magick::Draw._dummy_img_
end
assert_same(dummy, dummy2)
end
def test_patterns
img = Magick::Image.new(20,20)
assert_nothing_raised { @draw.fill_pattern = img }
assert_nothing_raised { @draw.stroke_pattern = img }
ilist = Magick::ImageList.new
ilist << img
assert_nothing_raised { @draw.fill_pattern = ilist }
assert_nothing_raised { @draw.stroke_pattern = ilist }
assert_raise(NoMethodError) { @draw.fill_pattern = 1 }
assert_raise(NoMethodError) { @draw.stroke_pattern = 1 }
end
end
if __FILE__ == $0
Test::Unit::UI::Console::TestRunner.run(Draw_UT)
end
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