293 lines
7.5 KiB
Bash
Executable File
293 lines
7.5 KiB
Bash
Executable File
# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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#
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# Copyright (c) 2016 Alan Somers
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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atf_test_case empty_r
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empty_r_head()
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{
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atf_set "descr" "Reverse an empty file"
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}
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empty_r_body()
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{
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touch infile expectfile
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tail -r infile > outfile
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tail -r < infile > outpipe
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atf_check cmp expectfile outfile
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atf_check cmp expectfile outpipe
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}
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atf_test_case file_r
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file_r_head()
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{
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atf_set "descr" "Reverse a file"
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}
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file_r_body()
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{
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cat > infile <<HERE
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This is the first line
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This is the second line
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This is the third line
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HERE
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cat > expectfile << HERE
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This is the third line
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This is the second line
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This is the first line
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HERE
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tail -r infile > outfile
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tail -r < infile > outpipe
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atf_check cmp expectfile outfile
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atf_check cmp expectfile outpipe
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}
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atf_test_case file_rn2
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file_rn2_head()
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{
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atf_set "descr" "Reverse the last two lines of a file"
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}
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file_rn2_body()
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{
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cat > infile <<HERE
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This is the first line
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This is the second line
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This is the third line
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HERE
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cat > expectfile << HERE
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This is the third line
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This is the second line
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HERE
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tail -rn2 infile > outfile
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tail -rn2 < infile > outpipe
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atf_check cmp expectfile outfile
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atf_check cmp expectfile outpipe
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}
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# Regression test for PR 222671
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# https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222671
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atf_test_case pipe_leading_newline_r
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pipe_leading_newline_r_head()
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{
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atf_set "descr" "Reverse a pipe whose first character is a newline"
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}
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pipe_leading_newline_r_body()
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{
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cat > expectfile << HERE
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3
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2
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1
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HERE
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printf '\n1\n2\n3\n' | tail -r > outfile
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printf '\n1\n2\n3\n' | tail -r > outpipe
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atf_check cmp expectfile outfile
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atf_check cmp expectfile outpipe
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}
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atf_test_case file_rc28
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file_rc28_head()
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{
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atf_set "descr" "Reverse a file and display the last 28 characters"
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}
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file_rc28_body()
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{
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cat > infile <<HERE
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This is the first line
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This is the second line
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This is the third line
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HERE
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cat > expectfile << HERE
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This is the third line
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line
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HERE
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tail -rc28 infile > outfile
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tail -rc28 < infile > outpipe
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atf_check cmp expectfile outfile
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atf_check cmp expectfile outpipe
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}
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atf_test_case file_rc28
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file_rc28_head()
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{
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atf_set "descr" "Reverse a file and display the last 28 characters"
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}
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file_rc28_body()
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{
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cat > infile <<HERE
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This is the first line
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This is the second line
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This is the third line
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HERE
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cat > expectfile << HERE
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This is the third line
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line
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HERE
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tail -rc28 infile > outfile
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tail -rc28 < infile > outpipe
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atf_check cmp expectfile outfile
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atf_check cmp expectfile outpipe
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}
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atf_test_case longfile_r
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longfile_r_head()
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{
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atf_set "descr" "Reverse a long file"
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}
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longfile_r_body()
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{
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jot -w "%0511d" 1030 0 > infile
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jot -w "%0511d" 1030 1029 0 -1 > expectfile
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tail -r infile > outfile
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tail -r < infile > outpipe
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atf_check cmp expectfile outfile
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atf_check cmp expectfile outpipe
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}
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atf_test_case longfile_r_enomem
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longfile_r_enomem_head()
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{
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atf_set "descr" "Reverse a file that's too long to store in RAM"
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}
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longfile_r_enomem_body()
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{
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# When we reverse a file that's too long for RAM, tail should drop the
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# first part and just print what it can. We'll check that the last
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# part is ok
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{
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ulimit -v 32768 || atf_skip "Can't adjust ulimit"
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jot -w "%01023d" 32768 0 | tail -r > outfile ;
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}
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if [ "$?" -ne 1 ]; then
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atf_skip "Didn't get ENOMEM. Adjust test parameters"
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fi
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# We don't know how much of the input we dropped. So just check that
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# the first ten lines of tail's output are the same as the last ten of
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# the input
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jot -w "%01023d" 10 32767 0 -1 > expectfile
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head -n 10 outfile > outtrunc
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diff expectfile outtrunc
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atf_check cmp expectfile outtrunc
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}
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atf_test_case longfile_r_longlines
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longfile_r_longlines_head()
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{
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atf_set "descr" "Reverse a long file with extremely long lines"
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}
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longfile_r_longlines_body()
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{
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jot -s " " -w "%07d" 18000 0 > infile
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jot -s " " -w "%07d" 18000 18000 >> infile
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jot -s " " -w "%07d" 18000 36000 >> infile
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jot -s " " -w "%07d" 18000 36000 > expectfile
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jot -s " " -w "%07d" 18000 18000 >> expectfile
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jot -s " " -w "%07d" 18000 0 >> expectfile
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tail -r infile > outfile
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tail -r < infile > outpipe
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atf_check cmp expectfile outfile
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atf_check cmp expectfile outpipe
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}
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atf_test_case longfile_rc135782
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longfile_rc135782_head()
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{
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atf_set "descr" "Reverse a long file and print the last 135,782 bytes"
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}
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longfile_rc135782_body()
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{
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jot -w "%063d" 9000 0 > infile
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jot -w "%063d" 2121 8999 0 -1 > expectfile
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echo "0000000000000000000000000000000006878" >> expectfile
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tail -rc135782 infile > outfile
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tail -rc135782 < infile > outpipe
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atf_check cmp expectfile outfile
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atf_check cmp expectfile outpipe
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}
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atf_test_case longfile_rc145782_longlines
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longfile_rc145782_longlines_head()
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{
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atf_set "descr" "Reverse a long file with extremely long lines and print the last 145,782 bytes"
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}
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longfile_rc145782_longlines_body()
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{
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jot -s " " -w "%07d" 18000 0 > infile
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jot -s " " -w "%07d" 18000 18000 >> infile
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jot -s " " -w "%07d" 18000 36000 >> infile
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jot -s " " -w "%07d" 18000 36000 > expectfile
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echo -n "35777 " >> expectfile
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jot -s " " -w "%07d" 222 35778 >> expectfile
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tail -rc145782 infile > outfile
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tail -rc145782 < infile > outpipe
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atf_check cmp expectfile outfile
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atf_check cmp expectfile outpipe
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}
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atf_test_case longfile_rn2500
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longfile_rn2500_head()
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{
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atf_set "descr" "Reverse a long file and print the last 2,500 lines"
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}
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longfile_rn2500_body()
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{
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jot -w "%063d" 9000 0 > infile
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jot -w "%063d" 2500 8999 0 -1 > expectfile
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tail -rn2500 infile > outfile
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tail -rn2500 < infile > outpipe
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atf_check cmp expectfile outfile
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atf_check cmp expectfile outpipe
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}
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atf_test_case broken_pipe
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broken_pipe_head()
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{
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atf_set "descr" "Do not print bogus errno based output on short writes"
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}
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broken_pipe_body()
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{
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atf_check -o save:ints seq -f '%128g' 1 1000
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atf_check -s ignore \
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-e "inline:tail: stdout\nexit code: 1\n" \
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-x '(tail -n 856 ints; echo exit code: $? >&2) | sleep 2'
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}
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atf_init_test_cases()
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{
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atf_add_test_case empty_r
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atf_add_test_case file_r
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atf_add_test_case file_rc28
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atf_add_test_case file_rn2
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atf_add_test_case pipe_leading_newline_r
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# The longfile tests are designed to exercise behavior in r_buf(),
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# which operates on 128KB blocks
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atf_add_test_case longfile_r
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atf_add_test_case longfile_r_enomem
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atf_add_test_case longfile_r_longlines
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atf_add_test_case longfile_rc135782
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atf_add_test_case longfile_rc145782_longlines
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atf_add_test_case longfile_rn2500
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atf_add_test_case broken_pipe
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}
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