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39 lines
906 B
Ruby
39 lines
906 B
Ruby
require_relative '../../../spec_helper'
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require 'stringio'
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require 'zlib'
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describe "Zlib::GzipReader#getc" do
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before :each do
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@data = '12345abcde'
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@zip = [31, 139, 8, 0, 44, 220, 209, 71, 0, 3, 51, 52, 50, 54, 49, 77,
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76, 74, 78, 73, 5, 0, 157, 5, 0, 36, 10, 0, 0, 0].pack('C*')
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@io = StringIO.new @zip
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end
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it "returns the next character from the stream" do
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gz = Zlib::GzipReader.new @io
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gz.pos.should == 0
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gz.getc.should == '1'
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gz.getc.should == '2'
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gz.getc.should == '3'
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gz.getc.should == '4'
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gz.getc.should == '5'
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end
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it "increments position" do
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gz = Zlib::GzipReader.new @io
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(0..@data.size).each do |i|
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gz.pos.should == i
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gz.getc
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end
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end
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it "returns nil at the end of the stream" do
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gz = Zlib::GzipReader.new @io
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gz.read
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pos = gz.pos
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gz.getc.should be_nil
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gz.pos.should == pos
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end
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end
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