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# $NetBSD: t_varquote.sh,v 1.5 2016/03/27 14:50:01 christos Exp $
#
# Copyright (c) 2007 The NetBSD Foundation, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# the implementation of "sh" to test
: ${TEST_SH:="/bin/sh"}
# Variable quoting test.
check() {
if [ "$1" != "$2" ]
then
atf_fail "expected [$2], found [$1]" 1>&2
fi
}
atf_test_case all
all_head() {
atf_set "descr" "Basic checks for variable quoting"
}
all_body() {
cat <<-'EOF' > script.sh
T=0
check() {
T=$((${T} + 1))
if [ "$1" != "$2" ]
then
printf '%s\n' "T${T}: expected [$2], found [$1]"
exit 1
fi
}
#1
foo='${a:-foo}'
check "$foo" '${a:-foo}'
#2
foo="${a:-foo}"
check "$foo" "foo"
#3
foo=${a:-"'{}'"}
check "$foo" "'{}'"
#4
foo=${a:-${b:-"'{}'"}}
check "$foo" "'{}'"
#5
# ${ } The ' are inside ".." so are literal (not quotes).
foo="${a-'}'}"
check "$foo" "''}"
#6
# The rules for quoting in ${var-word} expressions are somewhat
# weird, in the following there is not one quoted string being
# assigned to foo (with internally quoted sub-strings), rather
# it is a mixed quoted/unquoted string, with parts that are
# quoted, separated by 2 unquoted sections...
# qqqqqqqqqq uuuuuuuuuu qq uuuu qqqq
foo="${a:-${b:-"${c:-${d:-"x}"}}y}"}}z}"
# " z*"
# ${a:- }
# ${b:- }
# " y*"
# ${c:- }
# ${d:- }
# "x*"
check "$foo" "x}y}z}"
#7
# And believe it or not, this is the one that gives
# most problems, with 3 different observed outputs...
# qqqqq qq q is one interpretation
# qqqqq QQQQ q is another (most common)
# (the third is syntax error...)
foo="${a:-"'{}'"}"
check "$foo" "'{}'"
EOF
OUT=$( ${TEST_SH} script.sh 2>&1 )
if [ $? -ne 0 ]
then
atf_fail "${OUT}"
elif [ -n "${OUT}" ]
then
atf_fail "script.sh unexpectedly said: ${OUT}"
fi
}
atf_test_case nested_quotes_multiword
nested_quotes_multiword_head() {
atf_set "descr" "Tests that having nested quoting in a multi-word" \
"string works (PR bin/43597)"
}
nested_quotes_multiword_body() {
atf_check -s eq:0 -o match:"first-word second-word" -e empty \
${TEST_SH} -c 'echo "${foo:="first-word"} second-word"'
}
atf_test_case default_assignment_with_arith
default_assignment_with_arith_head() {
atf_set "descr" "Tests default variable assignment with arithmetic" \
"string works (PR bin/50827)"
}
default_assignment_with_arith_body() {
atf_check -s eq:0 -o empty -e empty ${TEST_SH} -c ': "${x=$((1))}"'
atf_check -s eq:0 -o match:1 -e empty ${TEST_SH} -c 'echo "${x=$((1))}"'
}
atf_init_test_cases() {
atf_add_test_case all
atf_add_test_case nested_quotes_multiword
atf_add_test_case default_assignment_with_arith
}
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