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require File.expand_path('../../../../spec_helper', __FILE__)
require 'stringio'
require 'zlib'
describe "GzipReader#getc" do
before :each do
@data = '12345abcde'
@zip = "\037\213\b\000,\334\321G\000\00334261MLJNI\005\000\235\005\000$\n\000\000\000"
@io = StringIO.new @zip
end
ruby_version_is ''...'1.9' do
it "returns the next byte from the stream" do
gz = Zlib::GzipReader.new @io
gz.pos.should == 0
gz.getc.should == ?1
gz.getc.should == ?2
gz.getc.should == ?3
gz.getc.should == ?4
gz.getc.should == ?5
end
end
ruby_version_is '1.9' do
it "returns the next character from the stream" do
gz = Zlib::GzipReader.new @io
gz.pos.should == 0
gz.getc.should == '1'
gz.getc.should == '2'
gz.getc.should == '3'
gz.getc.should == '4'
gz.getc.should == '5'
end
end
it "increments position" do
gz = Zlib::GzipReader.new @io
(0..@data.size).each do |i|
gz.pos.should == i
gz.getc
end
end
it "returns nil at the end of the stream" do
gz = Zlib::GzipReader.new @io
gz.read
pos = gz.pos
gz.getc.should be_nil
gz.pos.should == pos
end
end
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