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if ENV['FULL_ZIP64_TEST']
require 'minitest/autorun'
require 'minitest/unit'
require 'fileutils'
require 'zip'
# test zip64 support for real, by actually exceeding the 32-bit size/offset limits
# this test does not, of course, run with the normal unit tests! ;)
class Zip64FullTest < MiniTest::Unit::TestCase
def teardown
::Zip.reset!
end
def prepareTestFile(test_filename)
::File.delete(test_filename) if ::File.exist?(test_filename)
return test_filename
end
def test_largeZipFile
::Zip.write_zip64_support = true
first_text = 'starting out small'
last_text = 'this tests files starting after 4GB in the archive'
test_filename = prepareTestFile('huge.zip')
::Zip::OutputStream.open(test_filename) do |io|
io.put_next_entry('first_file.txt')
io.write(first_text)
# write just over 4GB (stored, so the zip file exceeds 4GB)
buf = 'blah' * 16384
io.put_next_entry('huge_file', nil, nil, ::Zip::Entry::STORED)
65537.times { io.write(buf) }
io.put_next_entry('last_file.txt')
io.write(last_text)
end
::Zip::File.open(test_filename) do |zf|
assert_equal %w(first_file.txt huge_file last_file.txt), zf.entries.map(&:name)
assert_equal first_text, zf.read('first_file.txt')
assert_equal last_text, zf.read('last_file.txt')
end
# note: if this fails, be sure you have UnZip version 6.0 or newer
# as this is the first version to support zip64 extensions
# but some OSes (*cough* OSX) still bundle a 5.xx release
assert system("unzip -t #{test_filename}"), "third-party zip validation failed"
end
end
end
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