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require File.expand_path('../../../../spec_helper', __FILE__)
require 'zlib'
describe "Zlib::ZStream#data_type" do
it "returns the type of the data in the stream" do
z = Zlib::Deflate.new
[Zlib::ASCII, Zlib::BINARY, Zlib::UNKNOWN].include?(z.data_type).should == true
end
end
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