1# Copyright (c) 2017 Fred Schlechter 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions 6# are met: 7# 1. Redistributions of source code must retain the above copyright 8# notice, this list of conditions and the following disclaimer. 9# 2. Redistributions in binary form must reproduce the above copyright 10# notice, this list of conditions and the following disclaimer in the 11# documentation and/or other materials provided with the distribution. 12# 13# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23# SUCH DAMAGE. 24# 25# $FreeBSD$ 26 27atf_test_case empty_file 28empty_file_head() { 29 atf_set "descr" "Test head(1)'s handling of an empty file" 30} 31empty_file_body() { 32 touch infile expectfile 33 head infile > outfile 34 head < infile > outpipe 35 atf_check cmp expectfile outfile 36 atf_check cmp expectfile outpipe 37} 38 39atf_test_case default_no_options 40default_no_options_head() { 41 atf_set "descr" "Test head(1)'s default mode" 42} 43default_no_options_body() { 44 #head(1) is supposed to default to 10 lines of output. Verify that it does that. 45 jot -b test 10 > expectfile 46 jot -b test 100 > infile 47 head infile > outfile 48 atf_check -e empty cmp expectfile outfile 49} 50 51atf_test_case line_count 52line_count_head() { 53 atf_set "descr" "Test head(1)'s -n option" 54} 55line_count_body() { 56 jot -b test 100 > outfile 57 head -n 50 outfile > expectfile 58 atf_check -o inline:" 50 expectfile\n" wc -l expectfile 59} 60 61atf_test_case byte_count 62byte_count_head() { 63 atf_set "descr" "Test head(1)'s -c option" 64} 65byte_count_body() { 66 jot -b test 100 > outfile 67 head -c 50 outfile > expectfile 68 atf_check -o inline:" 50 expectfile\n" wc -c expectfile 69} 70 71atf_test_case sparse_file_text_at_beginning 72sparse_file_text_at_beginning_head() { 73 atf_set "descr" "Test head(1)'s handling of a sparse file with text at the beginning of the file" 74} 75sparse_file_text_at_beginning_body () { 76 jot -b test 10 > outfile 77 truncate -s +1K outfile 78 head -c 512 outfile > expectfile 79 atf_check -o inline:" 512 expectfile\n" wc -c expectfile 80} 81 82atf_test_case sparse_file_text_at_end 83sparse_file_text_at_end_head() { 84 atf_set "descr" "Test head(1)'s handling of a sparse file with text at the end of the file" 85} 86sparse_file_text_at_end_body () { 87 truncate -s +1K infile 88 echo test >> infile 89 head -c 4096 < infile > outpipe 90 atf_check cmp infile outpipe 91} 92 93atf_test_case missing_line_count 94missing_line_count_head() { 95 atf_set "descr" "Test head(1)'s handling of a missing line count arg" 96} 97missing_line_count_body () { 98 jot -b test 100 > outfile 99 atf_check -s not-exit:0 -e not-empty head -n outfile 100} 101 102atf_test_case invalid_line_count 103invalid_line_count_head() { 104 atf_set "descr" "Test head(1)'s handling of an invalid line count arg" 105} 106invalid_line_count_body () { 107 jot -b test 100 > outfile 108 atf_check -s not-exit:0 -e not-empty head -n -10 outfile 109} 110 111atf_test_case read_from_stdin 112read_from_stdin_head() { 113 atf_set "descr" "Test head(1)'s reading of stdin" 114} 115read_from_stdin_body() { 116 #head(1) defaults to head -n 10 if no args are given. 117 jot -b test 10 > outfile 118 jot -b test 20 | head > expectfile 119 atf_check cmp outfile expectfile 120} 121 122atf_init_test_cases() { 123 atf_add_test_case empty_file 124 atf_add_test_case default_no_options 125 atf_add_test_case line_count 126 atf_add_test_case byte_count 127 atf_add_test_case sparse_file_text_at_beginning 128 atf_add_test_case sparse_file_text_at_end 129 atf_add_test_case missing_line_count 130 atf_add_test_case invalid_line_count 131 atf_add_test_case read_from_stdin 132} 133