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1d15d5f080
* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
128 lines
2.9 KiB
Ruby
128 lines
2.9 KiB
Ruby
require 'zlib'
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require File.expand_path('../../../../spec_helper', __FILE__)
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describe "Zlib::Deflate.deflate" do
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it "deflates some data" do
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data = Array.new(10,0).pack('C*')
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zipped = Zlib::Deflate.deflate data
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zipped.should == [120, 156, 99, 96, 128, 1, 0, 0, 10, 0, 1].pack('C*')
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end
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it "deflates lots of data" do
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data = "\000" * 32 * 1024
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zipped = Zlib::Deflate.deflate data
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zipped.should == ([120, 156, 237, 193, 1, 1, 0, 0] +
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[0, 128, 144, 254, 175, 238, 8, 10] +
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Array.new(31, 0) +
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[24, 128, 0, 0, 1]).pack('C*')
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end
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it "deflates chunked data" do
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random_generator = Random.new(0)
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deflated = ''
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Zlib.deflate(random_generator.bytes(20000)) do |chunk|
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deflated << chunk
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end
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deflated.length.should == 20016
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end
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end
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describe "Zlib::Deflate#deflate" do
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before :each do
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@deflator = Zlib::Deflate.new
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end
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it "deflates some data" do
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data = "\000" * 10
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zipped = @deflator.deflate data, Zlib::FINISH
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@deflator.finish
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zipped.should == [120, 156, 99, 96, 128, 1, 0, 0, 10, 0, 1].pack('C*')
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end
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it "deflates lots of data" do
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data = "\000" * 32 * 1024
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zipped = @deflator.deflate data, Zlib::FINISH
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@deflator.finish
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zipped.should == ([120, 156, 237, 193, 1, 1, 0, 0] +
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[0, 128, 144, 254, 175, 238, 8, 10] +
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Array.new(31, 0) +
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[24, 128, 0, 0, 1]).pack('C*')
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end
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end
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describe "Zlib::Deflate#deflate" do
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before :each do
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@deflator = Zlib::Deflate.new
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@random_generator = Random.new(0)
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@original = ''
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@chunks = []
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end
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describe "without break" do
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before do
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2.times do
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@input = @random_generator.bytes(20000)
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@original << @input
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@deflator.deflate(@input) do |chunk|
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@chunks << chunk
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end
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end
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end
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it "deflates chunked data" do
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@deflator.finish
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@chunks.map { |chunk| chunk.length }.should == [16384, 16384]
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end
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it "deflates chunked data with final chunk" do
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final = @deflator.finish
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final.length.should == 7253
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end
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it "deflates chunked data without errors" do
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final = @deflator.finish
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@chunks << final
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@original.should == Zlib.inflate(@chunks.join)
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end
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end
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describe "with break" do
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before :each do
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@input = @random_generator.bytes(20000)
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@deflator.deflate(@input) do |chunk|
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@chunks << chunk
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break
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end
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end
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it "deflates only first chunk" do
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@deflator.finish
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@chunks.map { |chunk| chunk.length }.should == [16384]
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end
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it "deflates chunked data with final chunk" do
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final = @deflator.finish
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final.length.should == 3632
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end
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it "deflates chunked data without errors" do
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final = @deflator.finish
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@chunks << final
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@input.should == Zlib.inflate(@chunks.join)
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end
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end
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end
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