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# link.sh : Simple hard link sanity check
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# Author: Colin Ian King <colin.king@canonical.com>
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# Copyright (C) 2013 Canonical Ltd.
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation version 2
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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test_script_dir=$(dirname $0)
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. ${test_script_dir}/../lib/etl_funcs.sh
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etl_remove_test_dir $test_dir
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trap test_cleanup 0 1 2 3 15
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test_dir=$(etl_create_test_dir) || exit
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test_file1="${test_dir}/test1"
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test_file2="${test_dir}/test2"
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echo "Testing 1 2 3" > $test_file1
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ln $test_file1 $test_file2
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# Contents should be the same
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diff $test_file1 $test_file2 > /dev/null 2>&1
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# Size should be the same
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test_file1_size=$(stat -c%s $test_file1)
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test_file2_size=$(stat -c%s $test_file2)
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if [ $test_file1_size -ne $test_file2_size ]; then
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# Link count should be 2 for both
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test_file1_links=$(stat -c%h $test_file1)
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test_file2_links=$(stat -c%h $test_file2)
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if [ $test_file1_links -ne 2 -a $test_file2_links -ne 2 ]; then
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rm -f $test_file1 $test_file2