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t_builtin.sh revision 1.5 
      1 # $NetBSD: t_builtin.sh,v 1.5 2019/07/21 15:00:18 kre Exp $
      2 #
      3 # Copyright (c) 2018 The NetBSD Foundation, Inc.
      4 # All rights reserved.
      5 #
      6 # Redistribution and use in source and binary forms, with or without
      7 # modification, are permitted provided that the following conditions
      8 # are met:
      9 # 1. Redistributions of source code must retain the above copyright
     10 #    notice, this list of conditions and the following disclaimer.
     11 # 2. Redistributions in binary form must reproduce the above copyright
     12 #    notice, this list of conditions and the following disclaimer in the
     13 #    documentation and/or other materials provided with the distribution.
     14 #
     15 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     16 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     17 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     18 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     19 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     20 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     21 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     22 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     23 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     24 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25 # POSSIBILITY OF SUCH DAMAGE.
     26 #
     27 
     28 # The shell to use for tests of the builtin printf (or at least try)
     29 : ${TEST_SH:=/bin/sh}
     30 
     31 # This tests the builtin printf command in ${TEST_SH}
     32 
     33 # For the actual code/tests see printf.sh
     34 # (shared with tests for the external (filesystem) command printf
     35 
     36 # These tests are designed to be able to be run by ATF, or standalone
     37 #
     38 # That is, either
     39 #	atf_run t_builtin | atf-report		(or whatever is needed)
     40 # or
     41 #	sh t_builtin [sub_test]...	(default is to run all sub_tests)
     42 #
     43 # nb: for standalone runs, do not attempt ./t_builtin as the #! line
     44 # added will force ATF which will complain about the test being run
     45 # in the wrong way.  Instead use some Bourne shell compatible shell
     46 # (any will do, caveat any bugs it might have, it need not be TEST_SH,
     47 # but it can be) and run the script explicitly.
     48 
     49 do_printf()
     50 {
     51 	$Running_under_ATF && atf_require_prog "${TEST_SH%% *}"
     52 
     53 	unset LANG LC_ALL LC_NUMERIC LC_CTYPE LC_MESSAGES
     54 
     55 	case "$*" in
     56 	*\'*)
     57 		$Running_under_ATF && atf_require_prog printf
     58 		$Running_under_ATF && atf_require_prog sed
     59 		;;
     60 	esac
     61 
     62 	COMMAND=printf
     63 	for ARG
     64 	do
     65 		case "${ARG}" in
     66 		(';')	# Allow multiple commands
     67 			COMMAND="${COMMAND} ; printf"
     68 			;;
     69 		(*\'*)
     70 			# This is kind of odd, we need a working
     71 			# printf in order to test printf ...
     72 			# nb: do not use echo here, an arg might be "-n'x"
     73 			COMMAND="${COMMAND} '$(
     74 			    printf '%s\n' "${ARG}" |
     75 				sed "s/'/'\\\\''/g"
     76 			)'"
     77 			;;
     78 		(*)
     79 			COMMAND="${COMMAND} '${ARG}'"
     80 			;;
     81 		esac
     82 	done
     83 	${TEST_SH} -c "${COMMAND}"
     84 }
     85 
     86 Not_builtin()
     87 {
     88 	if $Running_under_ATF
     89 	then
     90 		atf_skip "${TEST_SH%% *} does not have printf built in"
     91 	else
     92 		echo >&2 "No builtin printf in ${TEST_SH}"
     93 		exit 1
     94 	fi
     95 }
     96 
     97 # See if we have a builtin "printf" command to test
     98 
     99 setup()
    100 {
    101 	# If the shell being used for its printf supports "type -t", use it
    102 	if B=$( ${TEST_SH} -c 'type -t printf' 2>/dev/null )
    103 	then
    104 		case "$B" in
    105 		( builtin )	return 0;;
    106 		esac
    107 	else
    108 		# We get here if type -t is not supported, or it is,
    109 		# but printf is completely unknown.  No harm trying again.
    110 
    111 		case "$( unset LANG LC_ALL LC_NUMERIC LC_CTYPE LC_MESSAGES
    112 		    ${TEST_SH} -c 'type printf' 2>&1 )" in
    113 		( *[Bb]uiltin* | *[Bb]uilt[-\ ][Ii]n* ) return 0;;
    114 		esac
    115 	fi
    116 
    117 	Tests=
    118 	define Not_builtin 'Dummy test to skip when no printf builtin'
    119 	return 0
    120 }
    121 
    122 setmsg()
    123 {
    124 	MSG="${TEST_SH%% *} builtin printf"
    125 	CurrentTest="$1"
    126 	RVAL=0
    127 }
    128 
    129 BUILTIN_TEST=true
    130 
    131 # All the code to actually run the test comes from printf.sh ...
    132 
    133