Contents

require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
require 'zpng/cli'

each_sample("bad/*.png") do |fname|
  describe fname do
    before(:all) do
      @img = ZPNG::Image.load(fname, :verbose => -2)
    end

    it "returns dimensions" do
      lambda{
        @img.width
        @img.height
      }.should_not raise_error
    end

    it "should access 1st pixel" do
      @img[0,0].should be_instance_of(ZPNG::Color)
    end

    describe "CLI" do
      it "shows info & chunks" do
        orig_stdout, out = $stdout, ""
        begin
          $stdout = StringIO.new(out)
          lambda { ZPNG::CLI.new([fname, "-qqq"]).run }.should_not raise_error
        ensure
          $stdout = orig_stdout
        end
        out.should include("#{@img.width}x#{@img.height}")
      end

      it "shows scanlines" do
        orig_stdout, out = $stdout, ""
        begin
          $stdout = StringIO.new(out)
          lambda { ZPNG::CLI.new([fname, "-qqq", "--scanlines"]).run }.should_not raise_error
        ensure
          $stdout = orig_stdout
        end
        sl = out.scan(/scanline/i)
        sl.size.should > 0
        sl.size.should == @img.scanlines.size
      end
    end
  end
end

Version data entries

12 entries across 12 versions & 1 rubygems

Version	Path
zpng-0.4.3	spec/bad_samples_spec.rb
zpng-0.4.2	spec/bad_samples_spec.rb
zpng-0.4.1	spec/bad_samples_spec.rb
zpng-0.4.0	spec/bad_samples_spec.rb
zpng-0.3.4	spec/bad_samples_spec.rb
zpng-0.3.3	spec/bad_samples_spec.rb
zpng-0.3.2	spec/bad_samples_spec.rb
zpng-0.3.1	spec/bad_samples_spec.rb
zpng-0.3.0	spec/bad_samples_spec.rb
zpng-0.2.5	spec/bad_samples_spec.rb
zpng-0.2.4	spec/bad_samples_spec.rb
zpng-0.2.3	spec/bad_samples_spec.rb