Contents

# -*- encoding: utf-8 -*-

require_relative 'common'
require 'hexapdf/filter/flate_decode'

describe HexaPDF::Filter::FlateDecode do
  include CommonFilterTests

  before do
    @obj = HexaPDF::Filter::FlateDecode
    @all_test_cases = [["abcdefg".force_encoding(Encoding::BINARY),
                        "x\xDAKLJNIMK\a\x00\n\xDB\x02\xBD".force_encoding(Encoding::BINARY)]]
    @decoded = @all_test_cases[0][0]
    @encoded = @all_test_cases[0][1]
    @encoded_predictor = "x\xDAcJdbD@\x00\x05\x8F\x00v".force_encoding(Encoding::BINARY)
    @predictor_opts = {Predictor: 12}
  end

  describe "decoder" do
    it "applies the Predictor after decoding" do
      assert_equal(@decoded, collector(@obj.decoder(feeder(@encoded_predictor.dup), @predictor_opts)))
    end

    it "fails on invalid input" do
      assert_raises(HexaPDF::FilterError) { collector(@obj.decoder(feeder("some test"))) }
      assert_raises(HexaPDF::FilterError) { collector(@obj.decoder(Fiber.new {})) }
    end
  end

  describe "encoder" do
    it "applies the Predictor before encoding" do
      assert_equal(@encoded_predictor, collector(@obj.encoder(feeder(@decoded.dup), @predictor_opts)))
    end
  end
end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
hexapdf-0.6.0	test/hexapdf/filter/test_flate_decode.rb
hexapdf-0.5.0	test/hexapdf/filter/test_flate_decode.rb
hexapdf-0.4.0	test/hexapdf/filter/test_flate_decode.rb
hexapdf-0.3.0	test/hexapdf/filter/test_flate_decode.rb
hexapdf-0.2.0	test/hexapdf/filter/test_flate_decode.rb
hexapdf-0.1.0	test/hexapdf/filter/test_flate_decode.rb