135 lines
4.1 KiB
Bash
Executable File
135 lines
4.1 KiB
Bash
Executable File
# $NetBSD: t_varquote.sh,v 1.5 2016/03/27 14:50:01 christos Exp $
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#
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# Copyright (c) 2007 The NetBSD Foundation, Inc.
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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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# the implementation of "sh" to test
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: ${TEST_SH:="/bin/sh"}
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# Variable quoting test.
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check() {
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if [ "$1" != "$2" ]
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then
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atf_fail "expected [$2], found [$1]" 1>&2
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fi
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}
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atf_test_case all
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all_head() {
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atf_set "descr" "Basic checks for variable quoting"
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}
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all_body() {
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cat <<-'EOF' > script.sh
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T=0
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check() {
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T=$((${T} + 1))
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if [ "$1" != "$2" ]
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then
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printf '%s\n' "T${T}: expected [$2], found [$1]"
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exit 1
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fi
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}
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#1
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foo='${a:-foo}'
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check "$foo" '${a:-foo}'
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#2
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foo="${a:-foo}"
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check "$foo" "foo"
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#3
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foo=${a:-"'{}'"}
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check "$foo" "'{}'"
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#4
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foo=${a:-${b:-"'{}'"}}
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check "$foo" "'{}'"
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#5
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# ${ } The ' are inside ".." so are literal (not quotes).
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foo="${a-'}'}"
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check "$foo" "''}"
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#6
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# The rules for quoting in ${var-word} expressions are somewhat
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# weird, in the following there is not one quoted string being
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# assigned to foo (with internally quoted sub-strings), rather
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# it is a mixed quoted/unquoted string, with parts that are
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# quoted, separated by 2 unquoted sections...
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# qqqqqqqqqq uuuuuuuuuu qq uuuu qqqq
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foo="${a:-${b:-"${c:-${d:-"x}"}}y}"}}z}"
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# " z*"
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# ${a:- }
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# ${b:- }
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# " y*"
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# ${c:- }
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# ${d:- }
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# "x*"
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check "$foo" "x}y}z}"
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#7
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# And believe it or not, this is the one that gives
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# most problems, with 3 different observed outputs...
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# qqqqq qq q is one interpretation
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# qqqqq QQQQ q is another (most common)
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# (the third is syntax error...)
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foo="${a:-"'{}'"}"
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check "$foo" "'{}'"
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EOF
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OUT=$( ${TEST_SH} script.sh 2>&1 )
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if [ $? -ne 0 ]
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then
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atf_fail "${OUT}"
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elif [ -n "${OUT}" ]
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then
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atf_fail "script.sh unexpectedly said: ${OUT}"
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fi
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}
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atf_test_case nested_quotes_multiword
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nested_quotes_multiword_head() {
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atf_set "descr" "Tests that having nested quoting in a multi-word" \
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"string works (PR bin/43597)"
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}
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nested_quotes_multiword_body() {
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atf_check -s eq:0 -o match:"first-word second-word" -e empty \
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${TEST_SH} -c 'echo "${foo:="first-word"} second-word"'
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}
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atf_test_case default_assignment_with_arith
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default_assignment_with_arith_head() {
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atf_set "descr" "Tests default variable assignment with arithmetic" \
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"string works (PR bin/50827)"
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}
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default_assignment_with_arith_body() {
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atf_check -s eq:0 -o empty -e empty ${TEST_SH} -c ': "${x=$((1))}"'
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atf_check -s eq:0 -o match:1 -e empty ${TEST_SH} -c 'echo "${x=$((1))}"'
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}
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atf_init_test_cases() {
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atf_add_test_case all
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atf_add_test_case nested_quotes_multiword
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atf_add_test_case default_assignment_with_arith
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}
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