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#!/usr/bin/env ruby
#
# Copyright 2006,2007,2008,2009,2010 Martin Pärtel <martin.partel@gmail.com>
#
# This file is part of bindfs.
#
# bindfs is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# bindfs is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with bindfs. If not, see <http://www.gnu.org/licenses/>.
#
# if we are being run by make check it will set srcdir and we should use it
$LOAD_PATH << (ENV['srcdir'] || '.')
require 'common.rb'
raise "Please run this as root" unless Process.uid == 0
if ARGV.include?("-h") || ARGV.include?("--help") || ARGV.length != 1
puts
puts "Usage: #{$0} /dev/some-block-device"
puts
puts "This test will attempt to read the block device through bindfs."
puts "This is a separate test file because it's nontrivial to set up a"
puts "block device for testing in a non-intrusive and portable way."
puts
exit(1)
end
device = ARGV[0]
root_testenv("--block-devices-as-files --resolve-symlinks") do
symlink(device, 'src/devicelink')
size_through_bindfs = File.size('mnt/devicelink')
measured_size = File.open(device, "r") do |f|
f.seek(0, IO::SEEK_END)
f.tell
end
assert { size_through_bindfs == measured_size }
assert { measured_size >= 512 }
puts "Device size: #{size_through_bindfs}"
data_read_through_bindfs = File.read('mnt/devicelink', 512)
data_read_directly= File.read(device, 512)
assert { data_read_through_bindfs == data_read_directly }
end
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