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d52dffd817
Most gzip tools support concatenated gz streams in a gz file. This offers a way to handle such gz files in Ruby. Fixes [Bug #9790] Fixes [Bug #11180] Fixes [Bug #14804] https://github.com/ruby/zlib/commit/e2ce56de7d
1267 lines
35 KiB
Ruby
1267 lines
35 KiB
Ruby
# coding: us-ascii
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# frozen_string_literal: true
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require 'test/unit'
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require 'stringio'
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require 'tempfile'
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begin
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require 'zlib'
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rescue LoadError
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end
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if defined? Zlib
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class TestZlibDeflate < Test::Unit::TestCase
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def test_initialize
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z = Zlib::Deflate.new
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s = z.deflate("foo", Zlib::FINISH)
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assert_equal("foo", Zlib::Inflate.inflate(s))
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z = Zlib::Deflate.new
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s = z.deflate("foo")
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s << z.deflate(nil, Zlib::FINISH)
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assert_equal("foo", Zlib::Inflate.inflate(s))
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assert_raise(Zlib::StreamError) { Zlib::Deflate.new(10000) }
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end
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def test_dup
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z1 = Zlib::Deflate.new
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s = z1.deflate("foo")
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z2 = z1.dup
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s1 = s + z1.deflate("bar", Zlib::FINISH)
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s2 = s + z2.deflate("baz", Zlib::FINISH)
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assert_equal("foobar", Zlib::Inflate.inflate(s1))
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assert_equal("foobaz", Zlib::Inflate.inflate(s2))
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end
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def test_deflate
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s = Zlib::Deflate.deflate("foo")
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assert_equal("foo", Zlib::Inflate.inflate(s))
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assert_raise(Zlib::StreamError) { Zlib::Deflate.deflate("foo", 10000) }
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end
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def test_deflate_chunked
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original = ''.dup
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chunks = []
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r = Random.new 0
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z = Zlib::Deflate.new
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2.times do
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input = r.bytes(20000)
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original << input
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z.deflate(input) do |chunk|
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chunks << chunk
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end
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end
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assert_equal [16384, 16384],
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chunks.map { |chunk| chunk.length }
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final = z.finish
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assert_equal 7253, final.length
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chunks << final
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all = chunks.join
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inflated = Zlib.inflate all
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assert_equal original, inflated
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end
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def test_deflate_chunked_break
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chunks = []
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r = Random.new 0
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z = Zlib::Deflate.new
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input = r.bytes(20000)
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z.deflate(input) do |chunk|
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chunks << chunk
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break
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end
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assert_equal [16384], chunks.map { |chunk| chunk.length }
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final = z.finish
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assert_equal 3632, final.length
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all = chunks.join
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all << final
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original = Zlib.inflate all
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assert_equal input, original
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end
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def test_addstr
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z = Zlib::Deflate.new
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z << "foo"
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s = z.deflate(nil, Zlib::FINISH)
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assert_equal("foo", Zlib::Inflate.inflate(s))
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end
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def test_flush
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z = Zlib::Deflate.new
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z << "foo"
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s = z.flush
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z << "bar"
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s << z.flush_next_in
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z << "baz"
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s << z.flush_next_out
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s << z.deflate("qux", Zlib::FINISH)
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assert_equal("foobarbazqux", Zlib::Inflate.inflate(s))
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end
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def test_avail
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z = Zlib::Deflate.new
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assert_equal(0, z.avail_in)
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assert_equal(0, z.avail_out)
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z << "foo"
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z.avail_out += 100
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z << "bar"
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s = z.finish
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assert_equal("foobar", Zlib::Inflate.inflate(s))
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end
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def test_expand_buffer;
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z = Zlib::Deflate.new
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src = "baz" * 1000
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z.avail_out = 1
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GC.stress = true
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s = z.deflate(src, Zlib::FINISH)
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GC.stress = false
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assert_equal(src, Zlib::Inflate.inflate(s))
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end
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def test_total
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z = Zlib::Deflate.new
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1000.times { z << "foo" }
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s = z.finish
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assert_equal(3000, z.total_in)
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assert_operator(3000, :>, z.total_out)
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assert_equal("foo" * 1000, Zlib::Inflate.inflate(s))
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end
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def test_data_type
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z = Zlib::Deflate.new
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assert([Zlib::ASCII, Zlib::BINARY, Zlib::UNKNOWN].include?(z.data_type))
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end
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def test_adler
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z = Zlib::Deflate.new
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z << "foo"
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z.finish
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assert_equal(0x02820145, z.adler)
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end
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def test_finished_p
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z = Zlib::Deflate.new
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assert_equal(false, z.finished?)
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z << "foo"
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assert_equal(false, z.finished?)
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z.finish
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assert_equal(true, z.finished?)
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z.close
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assert_raise(Zlib::Error) { z.finished? }
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end
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def test_closed_p
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z = Zlib::Deflate.new
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assert_equal(false, z.closed?)
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z << "foo"
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assert_equal(false, z.closed?)
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z.finish
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assert_equal(false, z.closed?)
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z.close
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assert_equal(true, z.closed?)
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end
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def test_params
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z = Zlib::Deflate.new
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z << "foo"
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z.params(Zlib::DEFAULT_COMPRESSION, Zlib::DEFAULT_STRATEGY)
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z << "bar"
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s = z.finish
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assert_equal("foobar", Zlib::Inflate.inflate(s))
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data = ('a'..'z').to_a.join
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z = Zlib::Deflate.new(Zlib::NO_COMPRESSION, Zlib::MAX_WBITS,
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Zlib::DEF_MEM_LEVEL, Zlib::DEFAULT_STRATEGY)
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z << data[0, 10]
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z.params(Zlib::BEST_COMPRESSION, Zlib::DEFAULT_STRATEGY)
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z << data[10 .. -1]
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assert_equal(data, Zlib::Inflate.inflate(z.finish))
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z = Zlib::Deflate.new
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s = z.deflate("foo", Zlib::FULL_FLUSH)
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z.avail_out = 0
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EnvUtil.suppress_warning {z.params(Zlib::NO_COMPRESSION, Zlib::FILTERED)}
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s << z.deflate("bar", Zlib::FULL_FLUSH)
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z.avail_out = 0
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EnvUtil.suppress_warning {z.params(Zlib::BEST_COMPRESSION, Zlib::HUFFMAN_ONLY)}
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s << z.deflate("baz", Zlib::FINISH)
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assert_equal("foobarbaz", Zlib::Inflate.inflate(s))
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z = Zlib::Deflate.new
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assert_raise(Zlib::StreamError) { z.params(10000, 10000) }
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z.close # without this, outputs `zlib(finalizer): the stream was freed prematurely.'
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end
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def test_set_dictionary
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z = Zlib::Deflate.new
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z.set_dictionary("foo")
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s = z.deflate("foo" * 100, Zlib::FINISH)
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z = Zlib::Inflate.new
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assert_raise(Zlib::NeedDict) { z.inflate(s) }
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z.set_dictionary("foo")
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assert_equal("foo" * 100, z.inflate(s)) # ???
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z = Zlib::Deflate.new
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z << "foo"
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assert_raise(Zlib::StreamError) { z.set_dictionary("foo") }
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EnvUtil.suppress_warning do
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z.close # without this, outputs `zlib(finalizer): the stream was freed prematurely.'
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end
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end
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def test_reset
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z = Zlib::Deflate.new
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z << "foo"
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z.reset
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z << "bar"
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s = z.finish
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assert_equal("bar", Zlib::Inflate.inflate(s))
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end
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def test_close
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z = Zlib::Deflate.new
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z.close
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assert_raise(Zlib::Error) { z << "foo" }
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assert_raise(Zlib::Error) { z.reset }
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end
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end
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class TestZlibInflate < Test::Unit::TestCase
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def test_class_inflate_dictionary
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assert_raise(Zlib::NeedDict) do
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Zlib::Inflate.inflate([0x08,0x3C,0x0,0x0,0x0,0x0].pack("c*"))
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end
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end
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def test_initialize
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assert_raise(Zlib::StreamError) { Zlib::Inflate.new(-1) }
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s = Zlib::Deflate.deflate("foo")
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z = Zlib::Inflate.new
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z << s << nil
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assert_equal("foo", z.finish)
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end
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def test_add_dictionary
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dictionary = "foo"
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deflate = Zlib::Deflate.new
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deflate.set_dictionary dictionary
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compressed = deflate.deflate "foofoofoo", Zlib::FINISH
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deflate.close
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out = nil
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inflate = Zlib::Inflate.new
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inflate.add_dictionary "foo"
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out = inflate.inflate compressed
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assert_equal "foofoofoo", out
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end
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def test_finish_chunked
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# zeros = Zlib::Deflate.deflate("0" * 100_000)
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zeros = "x\234\355\3011\001\000\000\000\302\240J\353\237\316\032\036@" \
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"\001\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\257\006\351\247BH"
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chunks = []
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z = Zlib::Inflate.new
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z.inflate(zeros) do |chunk|
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chunks << chunk
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break
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end
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z.finish do |chunk|
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chunks << chunk
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end
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assert_equal [16384, 16384, 16384, 16384, 16384, 16384, 1696],
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chunks.map { |chunk| chunk.size }
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assert chunks.all? { |chunk|
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chunk =~ /\A0+\z/
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}
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end
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def test_inflate
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s = Zlib::Deflate.deflate("foo")
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z = Zlib::Inflate.new
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s = z.inflate(s)
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s << z.inflate(nil)
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assert_equal("foo", s)
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z.inflate("foo") # ???
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z << "foo" # ???
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end
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def test_inflate_partial_input
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deflated = Zlib::Deflate.deflate "\0"
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z = Zlib::Inflate.new
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inflated = "".dup
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deflated.each_char do |byte|
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inflated << z.inflate(byte)
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end
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inflated << z.finish
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assert_equal "\0", inflated
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end
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def test_inflate_chunked
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# s = Zlib::Deflate.deflate("0" * 100_000)
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zeros = "x\234\355\3011\001\000\000\000\302\240J\353\237\316\032\036@" \
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"\001\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\257\006\351\247BH"
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chunks = []
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z = Zlib::Inflate.new
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z.inflate(zeros) do |chunk|
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chunks << chunk
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end
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assert_equal [16384, 16384, 16384, 16384, 16384, 16384, 1696],
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chunks.map { |chunk| chunk.size }
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assert chunks.all? { |chunk|
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chunk =~ /\A0+\z/
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}
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end
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def test_inflate_chunked_break
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# zeros = Zlib::Deflate.deflate("0" * 100_000)
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zeros = "x\234\355\3011\001\000\000\000\302\240J\353\237\316\032\036@" \
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"\001\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" \
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"\000\000\000\000\000\000\000\257\006\351\247BH"
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chunks = []
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z = Zlib::Inflate.new
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z.inflate(zeros) do |chunk|
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chunks << chunk
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break
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end
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out = z.inflate nil
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assert_equal 100_000 - chunks.first.length, out.length
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end
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def test_inflate_dictionary
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dictionary = "foo"
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deflate = Zlib::Deflate.new
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deflate.set_dictionary dictionary
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compressed = deflate.deflate "foofoofoo", Zlib::FINISH
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deflate.close
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out = nil
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inflate = Zlib::Inflate.new
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begin
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out = inflate.inflate compressed
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flunk "Zlib::NeedDict was not raised"
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rescue Zlib::NeedDict
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inflate.set_dictionary dictionary
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out = inflate.inflate ""
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end
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assert_equal "foofoofoo", out
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end
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def test_sync
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z = Zlib::Deflate.new
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s = z.deflate("foo" * 1000, Zlib::FULL_FLUSH)
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z.avail_out = 0
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EnvUtil.suppress_warning {z.params(Zlib::NO_COMPRESSION, Zlib::FILTERED)}
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s << z.deflate("bar" * 1000, Zlib::FULL_FLUSH)
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z.avail_out = 0
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EnvUtil.suppress_warning {z.params(Zlib::BEST_COMPRESSION, Zlib::HUFFMAN_ONLY)}
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s << z.deflate("baz" * 1000, Zlib::FINISH)
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z = Zlib::Inflate.new
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assert_raise(Zlib::DataError) { z << "\0" * 100 }
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assert_equal(false, z.sync(""))
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assert_equal(false, z.sync_point?)
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z = Zlib::Inflate.new
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assert_raise(Zlib::DataError) { z << "\0" * 100 + s }
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assert_equal(true, z.sync(""))
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z = Zlib::Inflate.new
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assert_equal(false, z.sync("\0" * 100))
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assert_equal(false, z.sync_point?)
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z = Zlib::Inflate.new
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assert_equal(true, z.sync("\0" * 100 + s))
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end
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def test_set_dictionary
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z = Zlib::Inflate.new
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assert_raise(Zlib::StreamError) { z.set_dictionary("foo") }
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z.close
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end
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end
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class TestZlibGzipFile < Test::Unit::TestCase
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def test_gzip_reader_zcat
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Tempfile.create("test_zlib_gzip_file_to_io") {|t|
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gz = Zlib::GzipWriter.new(t)
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gz.print("foo")
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gz.close
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t = File.open(t.path, 'ab')
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gz = Zlib::GzipWriter.new(t)
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gz.print("bar")
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gz.close
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results = []
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t = File.open(t.path)
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Zlib::GzipReader.zcat(t) do |str|
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results << str
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end
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assert_equal(["foo", "bar"], results)
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t.close
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t = File.open(t.path)
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assert_equal("foobar", Zlib::GzipReader.zcat(t))
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t.close
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}
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end
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def test_to_io
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Tempfile.create("test_zlib_gzip_file_to_io") {|t|
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t.close
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Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
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Zlib::GzipReader.open(t.path) do |f|
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assert_kind_of(IO, f.to_io)
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end
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}
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end
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def test_crc
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Tempfile.create("test_zlib_gzip_file_crc") {|t|
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t.close
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Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
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Zlib::GzipReader.open(t.path) do |f|
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f.read
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assert_equal(0x8c736521, f.crc)
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end
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}
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end
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def test_mtime
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tim = Time.now
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Tempfile.create("test_zlib_gzip_file_mtime") {|t|
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t.close
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Zlib::GzipWriter.open(t.path) do |gz|
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gz.mtime = -1
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gz.mtime = tim
|
|
gz.print("foo")
|
|
gz.flush
|
|
assert_raise(Zlib::GzipFile::Error) { gz.mtime = Time.now }
|
|
end
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
assert_equal(tim.to_i, f.mtime.to_i)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_zero_mtime
|
|
sio = StringIO.new
|
|
gz = Zlib::GzipWriter.new(sio)
|
|
gz.mtime = 0
|
|
gz.write("Hi")
|
|
gz.close
|
|
reading_io = StringIO.new(sio.string)
|
|
reader = Zlib::GzipReader.new(reading_io)
|
|
assert_equal(0, reader.mtime.to_i)
|
|
end
|
|
|
|
def test_level
|
|
Tempfile.create("test_zlib_gzip_file_level") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
assert_equal(Zlib::DEFAULT_COMPRESSION, f.level)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_os_code
|
|
Tempfile.create("test_zlib_gzip_file_os_code") {|t|
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
assert_equal(Zlib::OS_CODE, f.os_code)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_orig_name
|
|
Tempfile.create("test_zlib_gzip_file_orig_name") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) do |gz|
|
|
gz.orig_name = "foobarbazqux\0quux"
|
|
gz.print("foo")
|
|
gz.flush
|
|
assert_raise(Zlib::GzipFile::Error) { gz.orig_name = "quux" }
|
|
end
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
assert_equal("foobarbazqux", f.orig_name)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_comment
|
|
Tempfile.create("test_zlib_gzip_file_comment") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) do |gz|
|
|
gz.comment = "foobarbazqux\0quux"
|
|
gz.print("foo")
|
|
gz.flush
|
|
assert_raise(Zlib::GzipFile::Error) { gz.comment = "quux" }
|
|
end
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
assert_equal("foobarbazqux", f.comment)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_lineno
|
|
Tempfile.create("test_zlib_gzip_file_lineno") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo\nbar\nbaz\nqux\n") }
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
assert_equal([0, "foo\n"], [f.lineno, f.gets])
|
|
assert_equal([1, "bar\n"], [f.lineno, f.gets])
|
|
f.lineno = 1000
|
|
assert_equal([1000, "baz\n"], [f.lineno, f.gets])
|
|
assert_equal([1001, "qux\n"], [f.lineno, f.gets])
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_closed_p
|
|
Tempfile.create("test_zlib_gzip_file_closed_p") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
assert_equal(false, f.closed?)
|
|
f.read
|
|
assert_equal(false, f.closed?)
|
|
f.close
|
|
assert_equal(true, f.closed?)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_sync
|
|
Tempfile.create("test_zlib_gzip_file_sync") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
f.sync = true
|
|
assert_equal(true, f.sync)
|
|
f.read
|
|
f.sync = false
|
|
assert_equal(false, f.sync)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_pos
|
|
Tempfile.create("test_zlib_gzip_file_pos") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) do |gz|
|
|
gz.print("foo")
|
|
gz.flush
|
|
assert_equal(3, gz.tell)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_path
|
|
Tempfile.create("test_zlib_gzip_file_path") {|t|
|
|
t.close
|
|
|
|
gz = Zlib::GzipWriter.open(t.path)
|
|
gz.print("foo")
|
|
assert_equal(t.path, gz.path)
|
|
gz.close
|
|
assert_equal(t.path, gz.path)
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
assert_equal(t.path, f.path)
|
|
f.close
|
|
assert_equal(t.path, f.path)
|
|
end
|
|
|
|
s = "".dup
|
|
sio = StringIO.new(s)
|
|
gz = Zlib::GzipWriter.new(sio)
|
|
gz.print("foo")
|
|
assert_raise(NoMethodError) { gz.path }
|
|
gz.close
|
|
|
|
sio = StringIO.new(s)
|
|
gz = Zlib::GzipReader.new(sio)
|
|
assert_raise(NoMethodError) { gz.path }
|
|
gz.close
|
|
}
|
|
end
|
|
end
|
|
|
|
class TestZlibGzipReader < Test::Unit::TestCase
|
|
D0 = "\037\213\010\000S`\017A\000\003\003\000\000\000\000\000\000\000\000\000"
|
|
def test_read0
|
|
assert_equal("", Zlib::GzipReader.new(StringIO.new(D0)).read(0))
|
|
end
|
|
|
|
def test_ungetc
|
|
s = "".dup
|
|
w = Zlib::GzipWriter.new(StringIO.new(s))
|
|
w << (1...1000).to_a.inspect
|
|
w.close
|
|
r = Zlib::GzipReader.new(StringIO.new(s))
|
|
r.read(100)
|
|
r.ungetc ?a
|
|
assert_nothing_raised("[ruby-dev:24060]") {
|
|
r.read(100)
|
|
r.read
|
|
r.close
|
|
}
|
|
end
|
|
|
|
def test_ungetc_paragraph
|
|
s = "".dup
|
|
w = Zlib::GzipWriter.new(StringIO.new(s))
|
|
w << "abc"
|
|
w.close
|
|
r = Zlib::GzipReader.new(StringIO.new(s))
|
|
r.ungetc ?\n
|
|
assert_equal("abc", r.gets(""))
|
|
assert_nothing_raised("[ruby-dev:24065]") {
|
|
r.read
|
|
r.close
|
|
}
|
|
end
|
|
|
|
def test_ungetc_at_start_of_file
|
|
s = "".dup
|
|
w = Zlib::GzipWriter.new(StringIO.new(s))
|
|
w << "abc"
|
|
w.close
|
|
r = Zlib::GzipReader.new(StringIO.new(s))
|
|
|
|
r.ungetc ?!
|
|
|
|
assert_equal(-1, r.pos, "[ruby-core:81488][Bug #13616]")
|
|
end
|
|
|
|
def test_open
|
|
Tempfile.create("test_zlib_gzip_reader_open") {|t|
|
|
t.close
|
|
e = assert_raise(Zlib::GzipFile::Error) {
|
|
Zlib::GzipReader.open(t.path)
|
|
}
|
|
assert_equal("not in gzip format", e.message)
|
|
assert_nil(e.input)
|
|
open(t.path, "wb") {|f| f.write("foo")}
|
|
e = assert_raise(Zlib::GzipFile::Error) {
|
|
Zlib::GzipReader.open(t.path)
|
|
}
|
|
assert_equal("not in gzip format", e.message)
|
|
assert_equal("foo", e.input)
|
|
open(t.path, "wb") {|f| f.write("foobarzothoge")}
|
|
e = assert_raise(Zlib::GzipFile::Error) {
|
|
Zlib::GzipReader.open(t.path)
|
|
}
|
|
assert_equal("not in gzip format", e.message)
|
|
assert_equal("foobarzothoge", e.input)
|
|
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
|
|
|
|
assert_raise(ArgumentError) { Zlib::GzipReader.open }
|
|
|
|
assert_equal("foo", Zlib::GzipReader.open(t.path) {|gz| gz.read })
|
|
|
|
f = Zlib::GzipReader.open(t.path)
|
|
begin
|
|
assert_equal("foo", f.read)
|
|
ensure
|
|
f.close
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_rewind
|
|
bug8467 = '[ruby-core:55220] [Bug #8467]'
|
|
Tempfile.create("test_zlib_gzip_reader_rewind") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
assert_equal("foo", f.read)
|
|
f.rewind
|
|
assert_equal("foo", f.read)
|
|
|
|
f.rewind
|
|
bytes = []
|
|
f.each_byte { |b| bytes << b }
|
|
assert_equal "foo".bytes.to_a, bytes, '[Bug #10101]'
|
|
end
|
|
open(t.path, "rb") do |f|
|
|
gz = Zlib::GzipReader.new(f)
|
|
gz.rewind
|
|
assert_equal(["foo"], gz.to_a, bug8467)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_unused
|
|
Tempfile.create("test_zlib_gzip_reader_unused") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foobar") }
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
assert_equal(nil, f.unused)
|
|
assert_equal("foo", f.read(3))
|
|
assert_equal(nil, f.unused)
|
|
assert_equal("bar", f.read)
|
|
assert_equal(nil, f.unused)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_unused2
|
|
zio = StringIO.new
|
|
|
|
io = Zlib::GzipWriter.new zio
|
|
io.write 'aaaa'
|
|
io.finish
|
|
|
|
io = Zlib::GzipWriter.new zio
|
|
io.write 'bbbb'
|
|
io.finish
|
|
|
|
zio.rewind
|
|
|
|
io = Zlib::GzipReader.new zio
|
|
assert_equal('aaaa', io.read)
|
|
unused = io.unused
|
|
assert_equal(24, unused.bytesize)
|
|
io.finish
|
|
|
|
zio.pos -= unused.length
|
|
|
|
io = Zlib::GzipReader.new zio
|
|
assert_equal('bbbb', io.read)
|
|
assert_equal(nil, io.unused)
|
|
io.finish
|
|
end
|
|
|
|
def test_read
|
|
Tempfile.create("test_zlib_gzip_reader_read") {|t|
|
|
t.close
|
|
str = "\u3042\u3044\u3046"
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print(str) }
|
|
|
|
Zlib::GzipReader.open(t.path, encoding: "UTF-8") do |f|
|
|
assert_raise(ArgumentError) { f.read(-1) }
|
|
assert_equal(str, f.read)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_readpartial
|
|
Tempfile.create("test_zlib_gzip_reader_readpartial") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foobar") }
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
assert("foo".start_with?(f.readpartial(3)))
|
|
end
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
s = "".dup
|
|
f.readpartial(3, s)
|
|
assert("foo".start_with?(s))
|
|
|
|
assert_raise(ArgumentError) { f.readpartial(-1) }
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_getc
|
|
Tempfile.create("test_zlib_gzip_reader_getc") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foobar") }
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
"foobar".each_char {|c| assert_equal(c, f.getc) }
|
|
assert_nil(f.getc)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_getbyte
|
|
Tempfile.create("test_zlib_gzip_reader_getbyte") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foobar") }
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
"foobar".each_byte {|c| assert_equal(c, f.getbyte) }
|
|
assert_nil(f.getbyte)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_readchar
|
|
Tempfile.create("test_zlib_gzip_reader_readchar") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foobar") }
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
"foobar".each_byte {|c| assert_equal(c, f.readchar.ord) }
|
|
assert_raise(EOFError) { f.readchar }
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_each_byte
|
|
Tempfile.create("test_zlib_gzip_reader_each_byte") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foobar") }
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
a = []
|
|
f.each_byte {|c| a << c }
|
|
assert_equal("foobar".each_byte.to_a, a)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_gets
|
|
Tempfile.create("test_zlib_gzip_reader_gets") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo\nbar\nbaz\n") }
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
assert_equal("foo\n", f.gets)
|
|
assert_equal("bar\n", f.gets)
|
|
assert_equal("baz\n", f.gets)
|
|
assert_nil(f.gets)
|
|
end
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
assert_equal("foo\nbar\nbaz\n", f.gets(nil))
|
|
end
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
assert_equal("foo\n", f.gets(10))
|
|
assert_equal("ba", f.gets(2))
|
|
assert_equal("r\nb", f.gets(nil, 3))
|
|
assert_equal("az\n", f.gets(nil, 10))
|
|
assert_nil(f.gets)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_gets2
|
|
Tempfile.create("test_zlib_gzip_reader_gets2") {|t|
|
|
t.close
|
|
ustrs = %W"\u{3042 3044 3046}\n \u{304b 304d 304f}\n \u{3055 3057 3059}\n"
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print(*ustrs) }
|
|
|
|
Zlib::GzipReader.open(t.path, encoding: "UTF-8") do |f|
|
|
assert_equal(ustrs[0], f.gets)
|
|
assert_equal(ustrs[1], f.gets)
|
|
assert_equal(ustrs[2], f.gets)
|
|
assert_nil(f.gets)
|
|
end
|
|
|
|
Zlib::GzipReader.open(t.path, encoding: "UTF-8") do |f|
|
|
assert_equal(ustrs.join(''), f.gets(nil))
|
|
end
|
|
|
|
Zlib::GzipReader.open(t.path, encoding: "UTF-8") do |f|
|
|
assert_equal(ustrs[0], f.gets(20))
|
|
assert_equal(ustrs[1][0,2], f.gets(5))
|
|
assert_equal(ustrs[1][2..-1]+ustrs[2][0,1], f.gets(nil, 5))
|
|
assert_equal(ustrs[2][1..-1], f.gets(nil, 20))
|
|
assert_nil(f.gets)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_readline
|
|
Tempfile.create("test_zlib_gzip_reader_readline") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo\nbar\nbaz\n") }
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
assert_equal("foo\n", f.readline)
|
|
assert_equal("bar\n", f.readline)
|
|
assert_equal("baz\n", f.readline)
|
|
assert_raise(EOFError) { f.readline }
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_each
|
|
Tempfile.create("test_zlib_gzip_reader_each") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo\nbar\nbaz\n") }
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
a = ["foo\n", "bar\n", "baz\n"]
|
|
f.each {|l| assert_equal(a.shift, l) }
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_readlines
|
|
Tempfile.create("test_zlib_gzip_reader_readlines") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo\nbar\nbaz\n") }
|
|
|
|
Zlib::GzipReader.open(t.path) do |f|
|
|
assert_equal(["foo\n", "bar\n", "baz\n"], f.readlines)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_reader_wrap
|
|
Tempfile.create("test_zlib_gzip_reader_wrap") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
|
|
f = open(t.path)
|
|
f.binmode
|
|
assert_equal("foo", Zlib::GzipReader.wrap(f) {|gz| gz.read })
|
|
assert(f.closed?)
|
|
}
|
|
end
|
|
|
|
def test_corrupted_header
|
|
gz = Zlib::GzipWriter.new(StringIO.new(s = "".dup))
|
|
gz.orig_name = "X"
|
|
gz.comment = "Y"
|
|
gz.print("foo")
|
|
gz.finish
|
|
# 14: magic(2) + method(1) + flag(1) + mtime(4) + exflag(1) + os(1) + orig_name(2) + comment(2)
|
|
1.upto(14) do |idx|
|
|
assert_raise(Zlib::GzipFile::Error, idx) do
|
|
Zlib::GzipReader.new(StringIO.new(s[0, idx])).read
|
|
end
|
|
end
|
|
end
|
|
|
|
def test_encoding
|
|
Tempfile.create("test_zlib_gzip_reader_encoding") {|t|
|
|
t.binmode
|
|
content = (0..255).to_a.pack('c*')
|
|
Zlib::GzipWriter.wrap(t) {|gz| gz.print(content) }
|
|
|
|
read_all = Zlib::GzipReader.open(t.path) do |gz|
|
|
assert_equal(Encoding.default_external, gz.external_encoding)
|
|
gz.read
|
|
end
|
|
assert_equal(Encoding.default_external, read_all.encoding)
|
|
|
|
# chunks are in BINARY regardless of encoding settings
|
|
read_size = Zlib::GzipReader.open(t.path) {|gz| gz.read(1024) }
|
|
assert_equal(Encoding::ASCII_8BIT, read_size.encoding)
|
|
assert_equal(content, read_size)
|
|
}
|
|
end
|
|
|
|
def test_double_close
|
|
Tempfile.create("test_zlib_gzip_reader_close") {|t|
|
|
t.binmode
|
|
content = "foo"
|
|
Zlib::GzipWriter.wrap(t) {|gz| gz.print(content) }
|
|
r = Zlib::GzipReader.open(t.path)
|
|
assert_equal(content, r.read)
|
|
assert_nothing_raised { r.close }
|
|
assert_nothing_raised { r.close }
|
|
}
|
|
end
|
|
|
|
end
|
|
|
|
class TestZlibGzipWriter < Test::Unit::TestCase
|
|
def test_invalid_new
|
|
assert_raise(NoMethodError, "[ruby-dev:23228]") { Zlib::GzipWriter.new(nil).close }
|
|
assert_raise(NoMethodError, "[ruby-dev:23344]") { Zlib::GzipWriter.new(true).close }
|
|
assert_raise(NoMethodError, "[ruby-dev:23344]") { Zlib::GzipWriter.new(0).close }
|
|
assert_raise(NoMethodError, "[ruby-dev:23344]") { Zlib::GzipWriter.new(:hoge).close }
|
|
end
|
|
|
|
def test_open
|
|
assert_raise(ArgumentError) { Zlib::GzipWriter.open }
|
|
|
|
Tempfile.create("test_zlib_gzip_writer_open") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
|
|
assert_equal("foo", Zlib::GzipReader.open(t.path) {|gz| gz.read })
|
|
|
|
f = Zlib::GzipWriter.open(t.path)
|
|
begin
|
|
f.print("bar")
|
|
ensure
|
|
f.close
|
|
end
|
|
assert_equal("bar", Zlib::GzipReader.open(t.path) {|gz| gz.read })
|
|
|
|
assert_raise(Zlib::StreamError) { Zlib::GzipWriter.open(t.path, 10000) }
|
|
}
|
|
end
|
|
|
|
def test_write
|
|
Tempfile.create("test_zlib_gzip_writer_write") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
|
|
assert_equal("foo", Zlib::GzipReader.open(t.path) {|gz| gz.read })
|
|
|
|
o = Object.new
|
|
def o.to_s; "bar"; end
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.print(o) }
|
|
assert_equal("bar", Zlib::GzipReader.open(t.path) {|gz| gz.read })
|
|
}
|
|
end
|
|
|
|
def test_putc
|
|
Tempfile.create("test_zlib_gzip_writer_putc") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.putc(?x) }
|
|
assert_equal("x", Zlib::GzipReader.open(t.path) {|gz| gz.read })
|
|
|
|
# todo: multibyte char
|
|
}
|
|
end
|
|
|
|
def test_puts
|
|
Tempfile.create("test_zlib_gzip_writer_puts") {|t|
|
|
t.close
|
|
Zlib::GzipWriter.open(t.path) {|gz| gz.puts("foo") }
|
|
assert_equal("foo\n", Zlib::GzipReader.open(t.path) {|gz| gz.read })
|
|
}
|
|
end
|
|
|
|
def test_writer_wrap
|
|
Tempfile.create("test_zlib_gzip_writer_wrap") {|t|
|
|
t.binmode
|
|
Zlib::GzipWriter.wrap(t) {|gz| gz.print("foo") }
|
|
assert_equal("foo", Zlib::GzipReader.open(t.path) {|gz| gz.read })
|
|
}
|
|
end
|
|
|
|
def test_double_close
|
|
Tempfile.create("test_zlib_gzip_reader_close") {|t|
|
|
t.binmode
|
|
w = Zlib::GzipWriter.wrap(t)
|
|
assert_nothing_raised { w.close }
|
|
assert_nothing_raised { w.close }
|
|
}
|
|
end
|
|
|
|
def test_zlib_writer_buffered_write
|
|
bug15356 = '[ruby-core:90346] [Bug #15356]'.freeze
|
|
fixes = 'r61631 (commit a55abcc0ca6f628fc05304f81e5a044d65ab4a68)'.freeze
|
|
ary = []
|
|
def ary.write(*args)
|
|
self.concat(args)
|
|
end
|
|
gz = Zlib::GzipWriter.new(ary)
|
|
gz.write(bug15356)
|
|
gz.write("\n")
|
|
gz.write(fixes)
|
|
gz.close
|
|
assert_not_predicate ary, :empty?
|
|
exp = [ bug15356, fixes ]
|
|
assert_equal exp, Zlib.gunzip(ary.join('')).split("\n")
|
|
end
|
|
end
|
|
|
|
class TestZlib < Test::Unit::TestCase
|
|
def test_version
|
|
assert_instance_of(String, Zlib.zlib_version)
|
|
end
|
|
|
|
def test_adler32
|
|
assert_equal(0x00000001, Zlib.adler32)
|
|
assert_equal(0x02820145, Zlib.adler32("foo"))
|
|
assert_equal(0x02820145, Zlib.adler32("o", Zlib.adler32("fo")))
|
|
assert_equal(0x8a62c964, Zlib.adler32("abc\x01\x02\x03" * 10000))
|
|
end
|
|
|
|
def test_adler32_combine
|
|
one = Zlib.adler32("fo")
|
|
two = Zlib.adler32("o")
|
|
begin
|
|
assert_equal(0x02820145, Zlib.adler32_combine(one, two, 1))
|
|
rescue NotImplementedError
|
|
skip "adler32_combine is not implemented"
|
|
rescue Minitest::Assertion
|
|
if /aix/ =~ RUBY_PLATFORM
|
|
skip "zconf.h in zlib does not handle _LARGE_FILES in AIX. Skip until it is fixed"
|
|
end
|
|
raise $!
|
|
end
|
|
end
|
|
|
|
def test_crc32
|
|
assert_equal(0x00000000, Zlib.crc32)
|
|
assert_equal(0x8c736521, Zlib.crc32("foo"))
|
|
assert_equal(0x8c736521, Zlib.crc32("o", Zlib.crc32("fo")))
|
|
assert_equal(0x07f0d68f, Zlib.crc32("abc\x01\x02\x03" * 10000))
|
|
end
|
|
|
|
def test_crc32_combine
|
|
one = Zlib.crc32("fo")
|
|
two = Zlib.crc32("o")
|
|
begin
|
|
assert_equal(0x8c736521, Zlib.crc32_combine(one, two, 1))
|
|
rescue NotImplementedError
|
|
skip "crc32_combine is not implemented"
|
|
rescue Minitest::Assertion
|
|
if /aix/ =~ RUBY_PLATFORM
|
|
skip "zconf.h in zlib does not handle _LARGE_FILES in AIX. Skip until it is fixed"
|
|
end
|
|
raise $!
|
|
end
|
|
end
|
|
|
|
def test_crc_table
|
|
t = Zlib.crc_table
|
|
assert_instance_of(Array, t)
|
|
t.each {|x| assert_kind_of(Integer, x) }
|
|
end
|
|
|
|
def test_inflate
|
|
TestZlibInflate.new(__name__).test_inflate
|
|
end
|
|
|
|
def test_deflate
|
|
TestZlibDeflate.new(__name__).test_deflate
|
|
end
|
|
|
|
def test_deflate_stream
|
|
r = Random.new 0
|
|
|
|
deflated = ''.dup
|
|
|
|
Zlib.deflate(r.bytes(20000)) do |chunk|
|
|
deflated << chunk
|
|
end
|
|
|
|
assert_equal 20016, deflated.length
|
|
end
|
|
|
|
def test_gzip
|
|
actual = Zlib.gzip("foo".freeze)
|
|
actual[4, 4] = "\x00\x00\x00\x00" # replace mtime
|
|
actual[9] = "\xff" # replace OS
|
|
expected = %w[1f8b08000000000000ff4bcbcf07002165738c03000000].pack("H*")
|
|
assert_equal expected, actual
|
|
|
|
actual = Zlib.gzip("foo".freeze, level: 0)
|
|
actual[4, 4] = "\x00\x00\x00\x00" # replace mtime
|
|
actual[9] = "\xff" # replace OS
|
|
expected = %w[1f8b08000000000000ff010300fcff666f6f2165738c03000000].pack("H*")
|
|
assert_equal expected, actual
|
|
|
|
actual = Zlib.gzip("foo".freeze, level: 9)
|
|
actual[4, 4] = "\x00\x00\x00\x00" # replace mtime
|
|
actual[9] = "\xff" # replace OS
|
|
expected = %w[1f8b08000000000002ff4bcbcf07002165738c03000000].pack("H*")
|
|
assert_equal expected, actual
|
|
|
|
actual = Zlib.gzip("foo".freeze, level: 9, strategy: Zlib::FILTERED)
|
|
actual[4, 4] = "\x00\x00\x00\x00" # replace mtime
|
|
actual[9] = "\xff" # replace OS
|
|
expected = %w[1f8b08000000000002ff4bcbcf07002165738c03000000].pack("H*")
|
|
assert_equal expected, actual
|
|
end
|
|
|
|
def test_gunzip
|
|
src = %w[1f8b08000000000000034bcbcf07002165738c03000000].pack("H*")
|
|
assert_equal 'foo', Zlib.gunzip(src.freeze)
|
|
|
|
src = %w[1f8b08000000000000034bcbcf07002165738c03000001].pack("H*")
|
|
assert_raise(Zlib::GzipFile::LengthError){ Zlib.gunzip(src) }
|
|
|
|
src = %w[1f8b08000000000000034bcbcf07002165738d03000000].pack("H*")
|
|
assert_raise(Zlib::GzipFile::CRCError){ Zlib.gunzip(src) }
|
|
|
|
src = %w[1f8b08000000000000034bcbcf07002165738d030000].pack("H*")
|
|
assert_raise(Zlib::GzipFile::Error){ Zlib.gunzip(src) }
|
|
|
|
src = %w[1f8b08000000000000034bcbcf0700].pack("H*")
|
|
assert_raise(Zlib::GzipFile::NoFooter){ Zlib.gunzip(src) }
|
|
|
|
src = %w[1f8b080000000000000].pack("H*")
|
|
assert_raise(Zlib::GzipFile::Error){ Zlib.gunzip(src) }
|
|
end
|
|
|
|
def test_gunzip_no_memory_leak
|
|
assert_no_memory_leak(%[-rzlib], "#{<<~"{#"}", "#{<<~'};'}")
|
|
d = Zlib.gzip("data")
|
|
{#
|
|
10_000.times {Zlib.gunzip(d)}
|
|
};
|
|
end
|
|
end
|
|
end
|