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# frozen_string_literal: true
module CrcTests
class TestOutputStream
include ::Zip::IOExtras::AbstractOutputStream
attr_accessor :buffer
def initialize
@buffer = +''
end
def <<(data)
@buffer << data
self
end
end
def run_crc_test(compressor_class)
str = "Here's a nice little text to compute the crc for! Ho hum, it is nice nice nice nice indeed."
fake_out = TestOutputStream.new
deflater = compressor_class.new(fake_out)
deflater << str
assert_equal(0x919920fc, deflater.crc)
end
end
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