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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 "works for empty input" do
assert_equal('', collector(@obj.decoder(Fiber.new { "" })))
assert_equal('', collector(@obj.decoder(Fiber.new {})))
end
it "applies the Predictor after decoding" do
assert_equal(@decoded, collector(@obj.decoder(feeder(@encoded_predictor), @predictor_opts)))
end
it "fails on invalid input" do
assert_raises(HexaPDF::FilterError) do
collector(@obj.decoder(feeder(@encoded[0..-2], @encoded.length - 3)))
end
assert_raises(HexaPDF::FilterError) do
collector(@obj.decoder(feeder("some data")))
end
end
end
describe "encoder" do
it "applies the Predictor before encoding" do
assert_equal(@encoded_predictor, collector(@obj.encoder(feeder(@decoded), @predictor_opts)))
end
end
end
Version data entries
61 entries across 61 versions & 1 rubygems