80a3883a2d
Submitted by: Fred Schlecter <https://github.com/fjs-github> Reviewed by: asomers, jilles MFC after: 3 weeks Differential Revision: https://github.com/freebsd/freebsd/pull/127
133 lines
4.2 KiB
Bash
Executable File
133 lines
4.2 KiB
Bash
Executable File
# Copyright (c) 2017 Fred Schlechter
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# All rights reserved.
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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_file
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empty_file_head() {
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atf_set "descr" "Test head(1)'s handling of an empty file"
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}
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empty_file_body() {
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touch infile expectfile
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head infile > outfile
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head < 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 default_no_options
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default_no_options_head() {
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atf_set "descr" "Test head(1)'s default mode"
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}
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default_no_options_body() {
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#head(1) is supposed to default to 10 lines of output. Verify that it does that.
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jot -b test 10 > expectfile
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jot -b test 100 > infile
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head infile > outfile
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atf_check -e empty cmp expectfile outfile
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}
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atf_test_case line_count
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line_count_head() {
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atf_set "descr" "Test head(1)'s -n option"
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}
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line_count_body() {
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jot -b test 100 > outfile
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head -n 50 outfile > expectfile
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atf_check -o inline:" 50 expectfile\n" wc -l expectfile
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}
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atf_test_case byte_count
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byte_count_head() {
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atf_set "descr" "Test head(1)'s -c option"
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}
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byte_count_body() {
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jot -b test 100 > outfile
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head -c 50 outfile > expectfile
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atf_check -o inline:" 50 expectfile\n" wc -c expectfile
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}
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atf_test_case sparse_file_text_at_beginning
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sparse_file_text_at_beginning_head() {
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atf_set "descr" "Test head(1)'s handling of a sparse file with text at the beginning of the file"
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}
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sparse_file_text_at_beginning_body () {
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jot -b test 10 > outfile
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truncate -s +1K outfile
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head -c 512 outfile > expectfile
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atf_check -o inline:" 512 expectfile\n" wc -c expectfile
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}
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atf_test_case sparse_file_text_at_end
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sparse_file_text_at_end_head() {
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atf_set "descr" "Test head(1)'s handling of a sparse file with text at the end of the file"
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}
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sparse_file_text_at_end_body () {
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truncate -s +1K infile
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echo test >> infile
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head -c 4096 < infile > outpipe
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atf_check cmp infile outpipe
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}
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atf_test_case missing_line_count
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missing_line_count_head() {
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atf_set "descr" "Test head(1)'s handling of a missing line count arg"
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}
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missing_line_count_body () {
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jot -b test 100 > outfile
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atf_check -s not-exit:0 -e not-empty head -n outfile
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}
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atf_test_case invalid_line_count
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invalid_line_count_head() {
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atf_set "descr" "Test head(1)'s handling of an invalid line count arg"
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}
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invalid_line_count_body () {
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jot -b test 100 > outfile
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atf_check -s not-exit:0 -e not-empty head -n -10 outfile
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}
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atf_test_case read_from_stdin
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read_from_stdin_head() {
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atf_set "descr" "Test head(1)'s reading of stdin"
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}
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read_from_stdin_body() {
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#head(1) defaults to head -n 10 if no args are given.
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jot -b test 10 > outfile
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jot -b test 20 | head > expectfile
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atf_check cmp outfile expectfile
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}
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atf_init_test_cases() {
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atf_add_test_case empty_file
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atf_add_test_case default_no_options
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atf_add_test_case line_count
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atf_add_test_case byte_count
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atf_add_test_case sparse_file_text_at_beginning
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atf_add_test_case sparse_file_text_at_end
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atf_add_test_case missing_line_count
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atf_add_test_case invalid_line_count
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atf_add_test_case read_from_stdin
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}
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