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t_expand.sh revision 1.2 
      1 # $NetBSD: t_expand.sh,v 1.2 2013/10/06 21:05:50 ast Exp $
      2 #
      3 # Copyright (c) 2007, 2009 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 #
     29 # This file tests the functions in expand.c.
     30 #
     31 
     32 delim_argv() {
     33 	str=
     34 	while [ $# -gt 0 ]; do
     35 		if [ -z "${str}" ]; then
     36 			str=">$1<"
     37 		else
     38 			str="${str} >$1<"
     39 		fi
     40 		shift
     41 	done
     42 	echo ${str}
     43 }
     44 
     45 atf_test_case dollar_at
     46 dollar_at_head() {
     47 	atf_set "descr" "Somewhere between 2.0.2 and 3.0 the expansion" \
     48 	                "of the \$@ variable had been broken.  Check for" \
     49 			"this behavior."
     50 }
     51 dollar_at_body() {
     52 	# This one should work everywhere.
     53 	got=`echo "" "" | sed 's,$,EOL,'`
     54 	atf_check_equal ' EOL' '$got'
     55 
     56 	# This code triggered the bug.
     57 	set -- "" ""
     58 	got=`echo "$@" | sed 's,$,EOL,'`
     59 	atf_check_equal ' EOL' '$got'
     60 
     61 	set -- -
     62 	shift
     63 	n_arg() { echo $#; }
     64 	n_args=`n_arg "$@"`
     65 	atf_check_equal '0' '$n_args'
     66 }
     67 
     68 atf_test_case dollar_at_with_text
     69 dollar_at_with_text_head() {
     70 	atf_set "descr" "Test \$@ expansion when it is surrounded by text" \
     71 	                "within the quotes.  PR bin/33956."
     72 }
     73 dollar_at_with_text_body() {
     74 	set --
     75 	atf_check_equal '' "$(delim_argv "$@")"
     76 	atf_check_equal '>foobar<' "$(delim_argv "foo$@bar")"
     77 	atf_check_equal '>foo  bar<' "$(delim_argv "foo $@ bar")"
     78 
     79 	set -- a b c
     80 	atf_check_equal '>a< >b< >c<' "$(delim_argv "$@")"
     81 	atf_check_equal '>fooa< >b< >cbar<' "$(delim_argv "foo$@bar")"
     82 	atf_check_equal '>foo a< >b< >c bar<' "$(delim_argv "foo $@ bar")"
     83 }
     84 
     85 atf_test_case strip
     86 strip_head() {
     87 	atf_set "descr" "Checks that the %% operator works and strips" \
     88 	                "the contents of a variable from the given point" \
     89 			"to the end"
     90 }
     91 strip_body() {
     92 	line='#define bindir "/usr/bin" /* comment */'
     93 	stripped='#define bindir "/usr/bin" '
     94 	atf_expect_fail "PR bin/43469"
     95 	atf_check_equal '$stripped' '${line%%/\**}'
     96 }
     97 
     98 atf_test_case varpattern_backslashes
     99 varpattern_backslashes_head() {
    100 	atf_set "descr" "Tests that protecting wildcards with backslashes" \
    101 	                "works in variable patterns."
    102 }
    103 varpattern_backslashes_body() {
    104 	line='/foo/bar/*/baz'
    105 	stripped='/foo/bar/'
    106 	atf_check_equal $stripped ${line%%\**}
    107 }
    108 
    109 atf_test_case arithmetic
    110 arithmetic_head() {
    111 	atf_set "descr" "POSIX requires shell arithmetic to use signed" \
    112 	                "long or a wider type.  We use intmax_t, so at" \
    113 			"least 64 bits should be available.  Make sure" \
    114 			"this is true."
    115 }
    116 arithmetic_body() {
    117 	atf_check_equal '3' '$((1 + 2))'
    118 	atf_check_equal '2147483647' '$((0x7fffffff))'
    119 	atf_check_equal '9223372036854775807' '$(((1 << 63) - 1))'
    120 }
    121 
    122 atf_test_case iteration_on_null_parameter
    123 iteration_on_null_parameter_head() {
    124 	atf_set "descr" "Check iteration of \$@ in for loop when set to null;" \
    125 	                "the error \"sh: @: parameter not set\" is incorrect." \
    126 	                "PR bin/48202."
    127 }
    128 iteration_on_null_parameter_body() {
    129 	s1=`/bin/sh -uc 'N=; set -- ${N};   for X; do echo "[$X]"; done' 2>&1`
    130 	s2=`/bin/sh -uc 'N=; set -- ${N:-}; for X; do echo "[$X]"; done' 2>&1`
    131 	atf_check_equal ''   '$s1'
    132 	atf_check_equal '[]' '$s2'
    133 }
    134 
    135 atf_init_test_cases() {
    136 	atf_add_test_case dollar_at
    137 	atf_add_test_case dollar_at_with_text
    138 	atf_add_test_case strip
    139 	atf_add_test_case varpattern_backslashes
    140 	atf_add_test_case arithmetic
    141 	atf_add_test_case iteration_on_null_parameter
    142 }
    143