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require 'test/unit'
require 'tmpdir'
require 'fileutils'
class TestDir < Test::Unit::TestCase
ROOT = File.join(Dir.tmpdir, "__test_dir__#{$$}")
def setup
Dir.mkdir(ROOT)
for i in ?a..?z
if i % 2 == 0
FileUtils.touch(File.join(ROOT, i.chr))
else
FileUtils.mkdir(File.join(ROOT, i.chr))
end
end
end
def teardown
FileUtils.rm_rf ROOT if File.directory?(ROOT)
end
def test_seek
dir = Dir.open(ROOT)
begin
cache = []
loop do
pos = dir.tell
break unless name = dir.read
cache << [pos, name]
end
for x in cache.sort_by {|x| x[0] % 3 } # shuffle
dir.seek(x[0])
assert_equal(x[1], dir.read)
end
ensure
dir.close
end
end
end
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