785 lines
25 KiB
Bash
785 lines
25 KiB
Bash
# $NetBSD: t_cmdsub.sh,v 1.5 2017/06/16 07:37:41 kre Exp $
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#
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# Copyright (c) 2016 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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#
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# This file tests command substitutions ( `...` and $( ... ) )
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#
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# CAUTION:
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# Be careful attempting running these tests outside the ATF environment
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# Some of the tests run "rm *" in the current directory to clean up
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# An ATF test directory should be empty already, outside ATF, anything
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atf_test_case a_basic_cmdsub
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a_basic_cmdsub_head() {
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atf_set "descr" 'Test operation of simple $( ) substitutions'
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}
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a_basic_cmdsub_body() {
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atf_check -s exit:0 -o match:'Result is true today' -e empty \
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${TEST_SH} -c \
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'echo Result is $( true && echo true || echo false ) today'
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atf_check -s exit:0 -o match:'Result is false today' -e empty \
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${TEST_SH} -c \
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'echo Result is $( false && echo true || echo false ) today'
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atf_check -s exit:0 -o match:'aaabbbccc' -e empty \
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${TEST_SH} -c 'echo aaa$( echo bbb )ccc'
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atf_check -s exit:0 -o match:'aaabbb cccddd' -e empty \
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${TEST_SH} -c 'echo aaa$( echo bbb ccc )ddd'
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atf_check -s exit:0 -o inline:'aaabbb cccddd\n' -e empty \
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${TEST_SH} -c 'echo aaa$( echo bbb; echo ccc )ddd'
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atf_check -s exit:0 -o inline:'aaabbb\ncccddd\n' -e empty \
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${TEST_SH} -c 'echo "aaa$( echo bbb; echo ccc )ddd"'
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atf_check -s exit:0 -o inline:'some string\n' -e empty \
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${TEST_SH} -c 'X=$( echo some string ); echo "$X"'
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atf_check -s exit:0 -o inline:'weird; string *\n' -e empty \
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${TEST_SH} -c 'X=$( echo "weird; string *" ); echo "$X"'
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rm -f * 2>/dev/null || :
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for f in file-1 file-2
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do
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cp /dev/null "$f"
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done
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atf_check -s exit:0 -o match:'Found file-1 file-2' -e empty \
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${TEST_SH} -c 'echo Found $( echo * )'
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atf_check -s exit:0 -o match:'Found file-1 file-2' -e empty \
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${TEST_SH} -c 'echo Found "$( echo * )"'
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atf_check -s exit:0 -o match:'Found file-1 file-2' -e empty \
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${TEST_SH} -c 'echo Found $('" echo '*' )"
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atf_check -s exit:0 -o match:'Found \*' -e empty \
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${TEST_SH} -c 'echo Found "$('" echo '*' "')"'
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atf_check -s exit:0 -o match:'Found file-1 file-2' -e empty \
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${TEST_SH} -c 'echo Found $('" echo \\* )"
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atf_check -s exit:0 -o match:'Found \*' -e empty \
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${TEST_SH} -c 'echo Found "$('" echo \\* )"\"
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}
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atf_test_case b_basic_backticks
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b_basic_backticks_head() {
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atf_set "descr" 'Test operation of old style ` ` substitutions'
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}
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b_basic_backticks_body() {
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atf_check -s exit:0 -o match:'Result is true today' -e empty \
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${TEST_SH} -c \
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'echo Result is `true && echo true || echo false` today'
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atf_check -s exit:0 -o match:'Result is false today' -e empty \
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${TEST_SH} -c \
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'echo Result is `false && echo true || echo false` today'
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atf_check -s exit:0 -o match:'aaabbbccc' -e empty \
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${TEST_SH} -c 'echo aaa` echo bbb `ccc'
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atf_check -s exit:0 -o match:'aaabbb cccddd' -e empty \
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${TEST_SH} -c 'echo aaa` echo bbb ccc `ddd'
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atf_check -s exit:0 -o inline:'aaabbb cccddd\n' -e empty \
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${TEST_SH} -c 'echo aaa` echo bbb; echo ccc `ddd'
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atf_check -s exit:0 -o inline:'aaabbb\ncccddd\n' -e empty \
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${TEST_SH} -c 'echo "aaa` echo bbb; echo ccc `ddd"'
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atf_check -s exit:0 -o inline:'some string\n' -e empty \
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${TEST_SH} -c 'X=` echo some string `; echo "$X"'
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atf_check -s exit:0 -o inline:'weird; string *\n' -e empty \
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${TEST_SH} -c 'X=` echo "weird; string *" `; echo "$X"'
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rm -f * 2>/dev/null || :
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for f in file-1 file-2
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do
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cp /dev/null "$f"
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done
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atf_check -s exit:0 -o match:'Found file-1 file-2' -e empty \
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${TEST_SH} -c 'echo Found ` echo * `'
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atf_check -s exit:0 -o match:'Found file-1 file-2' -e empty \
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${TEST_SH} -c 'echo Found "` echo * `"'
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atf_check -s exit:0 -o match:'Found file-1 file-2' -e empty \
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${TEST_SH} -c 'echo Found `'" echo '*' "'`'
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atf_check -s exit:0 -o match:'Found \*' -e empty \
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${TEST_SH} -c 'echo Found "`'" echo '*' "'`"'
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atf_check -s exit:0 -o match:'Found file-1 file-2' -e empty \
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${TEST_SH} -c 'echo Found `'" echo \\* "'`'
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atf_check -s exit:0 -o match:'Found \*' -e empty \
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${TEST_SH} -c 'echo Found "`'" echo \\* "'`"'
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}
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atf_test_case c_nested_cmdsub
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c_nested_cmdsub_head() {
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atf_set "descr" "Test that cmd substitutions can be nested"
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}
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c_nested_cmdsub_body() {
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atf_check -s exit:0 -o match:'__foobarbletch__' -e empty \
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${TEST_SH} -c 'echo __$( echo foo$(echo bar)bletch )__'
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atf_check -s exit:0 -o match:'_abcde_' -e empty \
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${TEST_SH} -c 'echo _$(echo a$(echo $(echo b)c$(echo d))e )_'
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atf_check -s exit:0 -o match:'123454321' -e empty \
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${TEST_SH} -c 'echo 1$(echo 2$(echo 3$(echo 4$(echo 5)4)3)2)1'
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}
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atf_test_case d_nested_backticks
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d_nested_backticks_head() {
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atf_set "descr" "Tests that old style backtick cmd subs can be nested"
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}
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d_nested_backticks_body() {
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atf_check -s exit:0 -o match:'__foobarbletch__' -e empty \
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${TEST_SH} -c 'echo __` echo foo\`echo bar\`bletch `__'
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atf_check -s exit:0 -o match:'_abcde_' -e empty \
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${TEST_SH} -c \
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'echo _`echo a\`echo \\\`echo b\\\`c\\\`echo d\\\`\`e `_'
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atf_check -s exit:0 -o match:'123454321' -e empty \
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${TEST_SH} -c \
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'echo 1`echo 2\`echo 3\\\`echo 4\\\\\\\`echo 5\\\\\\\`4\\\`3\`2`1'
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}
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atf_test_case e_perverse_mixing
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e_perverse_mixing_head() {
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atf_set "descr" \
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"Checks various mixed new and old style cmd substitutions"
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}
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e_perverse_mixing_body() {
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atf_check -s exit:0 -o match:'__foobarbletch__' -e empty \
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${TEST_SH} -c 'echo __$( echo foo`echo bar`bletch )__'
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atf_check -s exit:0 -o match:'__foobarbletch__' -e empty \
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${TEST_SH} -c 'echo __` echo foo$(echo bar)bletch `__'
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atf_check -s exit:0 -o match:'_abcde_' -e empty \
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${TEST_SH} -c 'echo _$(echo a`echo $(echo b)c$(echo d)`e )_'
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atf_check -s exit:0 -o match:'_abcde_' -e empty \
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${TEST_SH} -c 'echo _`echo a$(echo \`echo b\`c\`echo d\`)e `_'
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atf_check -s exit:0 -o match:'12345654321' -e empty \
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${TEST_SH} -c \
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'echo 1`echo 2$(echo 3\`echo 4\\\`echo 5$(echo 6)5\\\`4\`3)2`1'
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}
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atf_test_case f_redirect_in_cmdsub
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f_redirect_in_cmdsub_head() {
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atf_set "descr" "Checks that redirects work in command substitutions"
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}
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f_redirect_in_cmdsub_body() {
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atf_require_prog cat
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atf_require_prog rm
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rm -f file 2>/dev/null || :
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atf_check -s exit:0 -o match:'_aa_' -e empty \
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${TEST_SH} -c 'echo _$( echo a$( echo b > file )a)_'
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atf_check -s exit:0 -o match:b -e empty ${TEST_SH} -c 'cat file'
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atf_check -s exit:0 -o match:'_aba_' -e empty \
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${TEST_SH} -c 'echo _$( echo a$( cat < file )a)_'
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atf_check -s exit:0 -o match:'_aa_' -e empty \
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${TEST_SH} -c 'echo _$( echo a$( echo d >> file )a)_'
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atf_check -s exit:0 -o inline:'b\nd\n' -e empty ${TEST_SH} -c 'cat file'
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atf_check -s exit:0 -o match:'_aa_' -e match:'not error' \
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${TEST_SH} -c 'echo _$( echo a$( echo not error >&2 )a)_'
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}
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atf_test_case g_redirect_in_backticks
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g_redirect_in_backticks_head() {
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atf_set "descr" "Checks that redirects work in old style cmd sub"
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}
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g_redirect_in_backticks_body() {
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atf_require_prog cat
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atf_require_prog rm
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rm -f file 2>/dev/null || :
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atf_check -s exit:0 -o match:'_aa_' -e empty \
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${TEST_SH} -c 'echo _` echo a\` echo b > file \`a`_'
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atf_check -s exit:0 -o match:b -e empty ${TEST_SH} -c 'cat file'
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atf_check -s exit:0 -o match:'_aba_' -e empty \
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${TEST_SH} -c 'echo _` echo a\` cat < file \`a`_'
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atf_check -s exit:0 -o match:'_aa_' -e empty \
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${TEST_SH} -c 'echo _` echo a\` echo d >> file \`a`_'
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atf_check -s exit:0 -o inline:'b\nd\n' -e empty ${TEST_SH} -c 'cat file'
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atf_check -s exit:0 -o match:'_aa_' -e match:'not error' \
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${TEST_SH} -c 'echo _` echo a\` echo not error >&2 \`a`_'
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}
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atf_test_case h_vars_in_cmdsub
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h_vars_in_cmdsub_head() {
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atf_set "descr" "Check that variables work in command substitutions"
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}
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h_vars_in_cmdsub_body() {
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atf_check -s exit:0 -o match:'__abc__' -e empty \
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${TEST_SH} -c 'X=abc; echo __$( echo ${X} )__'
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atf_check -s exit:0 -o match:'__abc__' -e empty \
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${TEST_SH} -c 'X=abc; echo __$( echo "${X}" )__'
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atf_check -s exit:0 -o match:'__abc__' -e empty \
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${TEST_SH} -c 'X=abc; echo "__$( echo ${X} )__"'
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atf_check -s exit:0 -o match:'__abc__' -e empty \
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${TEST_SH} -c 'X=abc; echo "__$( echo "${X}" )__"'
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atf_check -s exit:0 -o inline:'a\n\nb\n\nc\n' -e empty \
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${TEST_SH} -c "for X in a '' b '' c"'; do echo $( echo "$X" ); done'
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atf_check -s exit:0 -o match:'__acd__' -e empty \
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${TEST_SH} -c 'X=; unset Y; echo "__$( echo a${X-b}${Y-c}d)__"'
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atf_check -s exit:0 -o match:'__abcd__' -e empty \
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${TEST_SH} -c 'X=; unset Y; echo "__$( echo a${X:-b}${Y:-c}d)__"'
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atf_check -s exit:0 -o match:'__XYX__' -e empty \
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${TEST_SH} -c 'X=X; echo "__${X}$( X=Y; echo ${X} )${X}__"'
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atf_check -s exit:0 -o match:'__def__' -e empty \
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${TEST_SH} -c 'X=abc; echo "__$(X=def; echo "${X}" )__"'
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atf_check -s exit:0 -o inline:'abcdef\nabc\n' -e empty \
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${TEST_SH} -c 'X=abc; echo "$X$(X=def; echo ${X} )"; echo $X'
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}
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atf_test_case i_vars_in_backticks
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i_vars_in_backticks_head() {
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atf_set "descr" "Checks that variables work in old style cmd sub"
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}
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i_vars_in_backticks_body() {
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atf_check -s exit:0 -o match:'__abc__' -e empty \
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${TEST_SH} -c 'X=abc; echo __` echo ${X} `__'
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atf_check -s exit:0 -o match:'__abc__' -e empty \
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${TEST_SH} -c 'X=abc; echo __` echo "${X}" `__'
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atf_check -s exit:0 -o match:'__abc__' -e empty \
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${TEST_SH} -c 'X=abc; echo "__` echo ${X} `__"'
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atf_check -s exit:0 -o match:'__abc__' -e empty \
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${TEST_SH} -c 'X=abc; echo "__` echo \"${X}\" `__"'
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atf_check -s exit:0 -o inline:'a\n\nb\n\nc\n' -e empty \
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${TEST_SH} -c "for X in a '' b '' c"'; do echo $( echo "$X" ); done'
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atf_check -s exit:0 -o match:'__acd__' -e empty \
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${TEST_SH} -c 'X=; unset Y; echo "__$( echo a${X-b}${Y-c}d)__"'
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atf_check -s exit:0 -o match:'__abcd__' -e empty \
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${TEST_SH} -c 'X=; unset Y; echo "__$( echo a${X:-b}${Y:-c}d)__"'
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atf_check -s exit:0 -o match:'__XYX__' -e empty \
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${TEST_SH} -c 'X=X; echo "__${X}$( X=Y; echo ${X} )${X}__"'
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atf_check -s exit:0 -o inline:'abcdef\nabc\n' -e empty \
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${TEST_SH} -c 'X=abc; echo "$X`X=def; echo \"${X}\" `";echo $X'
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# The following is nonsense, so is not included ...
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# atf_check -s exit:0 -o match:'__abc__' -e empty \
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# oV cV oV cV
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# ${TEST_SH} -c 'X=abc; echo "__`X=def echo "${X}" `__"'
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# `start in " ^ " ends, ` not yet
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}
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atf_test_case j_cmdsub_in_varexpand
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j_cmdsub_in_varexpand_head() {
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atf_set "descr" "Checks that command sub can be used in var expansion"
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}
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j_cmdsub_in_varexpand_body() {
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atf_check -s exit:0 -o match:'foo' -e empty \
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${TEST_SH} -c 'X=set; echo ${X+$(echo foo)}'
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atf_check -s exit:0 -o match:'set' -e empty \
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${TEST_SH} -c 'X=set; echo ${X-$(echo foo)}'
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rm -f bar 2>/dev/null || :
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atf_check -s exit:0 -o match:'set' -e empty \
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${TEST_SH} -c 'X=set; echo ${X-$(echo foo > bar)}'
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test -f bar && atf_fail "bar should not exist, but does"
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atf_check -s exit:0 -o inline:'\n' -e empty \
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${TEST_SH} -c 'X=set; echo ${X+$(echo foo > bar)}'
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test -f bar || atf_fail "bar should exist, but does not"
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}
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atf_test_case k_backticks_in_varexpand
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k_backticks_in_varexpand_head() {
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atf_set "descr" "Checks that old style cmd sub works in var expansion"
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}
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k_backticks_in_varexpand_body() {
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atf_check -s exit:0 -o match:'foo' -e empty \
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${TEST_SH} -c 'X=set; echo ${X+`echo foo`}'
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atf_check -s exit:0 -o match:'set' -e empty \
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${TEST_SH} -c 'X=set; echo ${X-`echo foo`}'
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rm -f bar 2>/dev/null || :
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atf_check -s exit:0 -o match:'set' -e empty \
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${TEST_SH} -c 'X=set; echo ${X-`echo foo > bar`}'
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test -f bar && atf_fail "bar should not exist, but does"
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atf_check -s exit:0 -o inline:'\n' -e empty \
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${TEST_SH} -c 'X=set; echo ${X+`echo foo > bar`}'
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test -f bar || atf_fail "bar should exist, but does not"
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}
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atf_test_case l_arithmetic_in_cmdsub
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l_arithmetic_in_cmdsub_head() {
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atf_set "descr" "Checks that arithmetic works in cmd substitutions"
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}
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l_arithmetic_in_cmdsub_body() {
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atf_check -s exit:0 -o inline:'1 + 1 = 2\n' -e empty \
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${TEST_SH} -c 'echo 1 + 1 = $( echo $(( 1 + 1 )) )'
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atf_check -s exit:0 -o inline:'X * Y = 6\n' -e empty \
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${TEST_SH} -c 'X=2; Y=3; echo X \* Y = $( echo $(( X * Y )) )'
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atf_check -s exit:0 -o inline:'Y % X = 1\n' -e empty \
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${TEST_SH} -c 'X=2; Y=3; echo Y % X = $( echo $(( $Y % $X )) )'
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}
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atf_test_case m_arithmetic_in_backticks
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m_arithmetic_in_backticks_head() {
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atf_set "descr" "Checks that arithmetic works in old style cmd sub"
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}
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m_arithmetic_in_backticks_body() {
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atf_check -s exit:0 -o inline:'2 + 3 = 5\n' -e empty \
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${TEST_SH} -c 'echo 2 + 3 = ` echo $(( 2 + 3 )) `'
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atf_check -s exit:0 -o inline:'X * Y = 6\n' -e empty \
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${TEST_SH} -c 'X=2; Y=3; echo X \* Y = ` echo $(( X * Y )) `'
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atf_check -s exit:0 -o inline:'Y % X = 1\n' -e empty \
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${TEST_SH} -c 'X=2; Y=3; echo Y % X = ` echo $(( $Y % $X )) `'
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}
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atf_test_case n_cmdsub_in_arithmetic
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n_cmdsub_in_arithmetic_head() {
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atf_set "descr" "Tests uses of command substitutions in arithmetic"
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}
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n_cmdsub_in_arithmetic_body() {
|
|
atf_check -s exit:0 -o inline:'7\n' -e empty \
|
|
${TEST_SH} -c 'echo $(( $( echo 3 ) $( echo + ) $( echo 4 ) ))'
|
|
atf_check -s exit:0 -o inline:'11\n7\n18\n4\n1\n' -e empty \
|
|
${TEST_SH} -c \
|
|
'for op in + - \* / %
|
|
do
|
|
echo $(( $( echo 9 ) $( echo "${op}" ) $( echo 2 ) ))
|
|
done'
|
|
}
|
|
|
|
atf_test_case o_backticks_in_arithmetic
|
|
o_backticks_in_arithmetic_head() {
|
|
atf_set "descr" "Tests old style cmd sub used in arithmetic"
|
|
}
|
|
o_backticks_in_arithmetic_body() {
|
|
atf_check -s exit:0 -o inline:'33\n' -e empty \
|
|
${TEST_SH} -c 'echo $(( `echo 77` `echo -` `echo 44`))'
|
|
atf_check -s exit:0 -o inline:'14\n8\n33\n3\n2\n' -e empty \
|
|
${TEST_SH} -c \
|
|
'for op in + - \* / %
|
|
do
|
|
echo $((`echo 11``echo "${op}"``echo 3`))
|
|
done'
|
|
}
|
|
|
|
atf_test_case p_cmdsub_in_heredoc
|
|
p_cmdsub_in_heredoc_head() {
|
|
atf_set "descr" "Checks that cmdsubs work inside a here document"
|
|
}
|
|
p_cmdsub_in_heredoc_body() {
|
|
atf_require_prog cat
|
|
|
|
atf_check -s exit:0 -o inline:'line 1+1\nline 2\nline 3\n' -e empty \
|
|
${TEST_SH} -c \
|
|
'cat <<- EOF
|
|
$( echo line 1 )$( echo +1 )
|
|
$( echo line 2;echo line 3 )
|
|
EOF'
|
|
}
|
|
|
|
atf_test_case q_backticks_in_heredoc
|
|
q_backticks_in_heredoc_head() {
|
|
atf_set "descr" "Checks that old style cmdsubs work in here docs"
|
|
}
|
|
q_backticks_in_heredoc_body() {
|
|
atf_require_prog cat
|
|
|
|
atf_check -s exit:0 -o inline:'Mary had a\nlittle\nlamb\n' -e empty \
|
|
${TEST_SH} -c \
|
|
'cat <<- EOF
|
|
`echo Mary ` `echo had a `
|
|
` echo little; echo lamb `
|
|
EOF'
|
|
}
|
|
|
|
atf_test_case r_heredoc_in_cmdsub
|
|
r_heredoc_in_cmdsub_head() {
|
|
atf_set "descr" "Checks that here docs work inside cmd subs"
|
|
}
|
|
r_heredoc_in_cmdsub_body() {
|
|
atf_require_prog cat
|
|
|
|
atf_check -s exit:0 -o inline:'Mary had a\nlittle\nlamb\n' -e empty \
|
|
${TEST_SH} -c 'echo "$( cat <<- \EOF
|
|
Mary had a
|
|
little
|
|
lamb
|
|
EOF
|
|
)"'
|
|
|
|
atf_check -s exit:0 -e empty \
|
|
-o inline:'Mary had 1\nlittle\nlamb\nMary had 4\nlittle\nlambs\n' \
|
|
${TEST_SH} -c 'for N in 1 4; do echo "$( cat <<- EOF
|
|
Mary had ${N}
|
|
little
|
|
lamb$( [ $N -gt 1 ] && echo s )
|
|
EOF
|
|
)"; done'
|
|
|
|
|
|
atf_check -s exit:0 -o inline:'A Calculation:\n2 * 7 = 14\n' -e empty \
|
|
${TEST_SH} -c 'echo "$( cat <<- EOF
|
|
A Calculation:
|
|
2 * 7 = $(( 2 * 7 ))
|
|
EOF
|
|
)"'
|
|
}
|
|
|
|
atf_test_case s_heredoc_in_backticks
|
|
s_heredoc_in_backticks_head() {
|
|
atf_set "descr" "Checks that here docs work inside old style cmd subs"
|
|
}
|
|
s_heredoc_in_backticks_body() {
|
|
atf_require_prog cat
|
|
|
|
atf_check -s exit:0 -o inline:'Mary had a little lamb\n' -e empty \
|
|
${TEST_SH} -c 'echo ` cat <<- \EOF
|
|
Mary had a
|
|
little
|
|
lamb
|
|
EOF
|
|
`'
|
|
|
|
atf_check -s exit:0 -o inline:'A Calculation:\n17 / 3 = 5\n' -e empty \
|
|
${TEST_SH} -c 'echo "` cat <<- EOF
|
|
A Calculation:
|
|
17 / 3 = $(( 17 / 3 ))
|
|
EOF
|
|
`"'
|
|
}
|
|
|
|
atf_test_case t_nested_cmdsubs_in_heredoc
|
|
t_nested_cmdsubs_in_heredoc_head() {
|
|
atf_set "descr" "Checks nested command substitutions in here docs"
|
|
}
|
|
t_nested_cmdsubs_in_heredoc_body() {
|
|
atf_require_prog cat
|
|
atf_require_prog rm
|
|
|
|
rm -f * 2>/dev/null || :
|
|
echo "Hello" > File
|
|
|
|
atf_check -s exit:0 -o inline:'Hello U\nHelp me!\n' -e empty \
|
|
${TEST_SH} -c 'cat <<- EOF
|
|
$(cat File) U
|
|
$( V=$(cat File); echo "${V%lo}p" ) me!
|
|
EOF'
|
|
|
|
rm -f * 2>/dev/null || :
|
|
echo V>V ; echo A>A; echo R>R
|
|
echo Value>VAR
|
|
|
|
atf_check -s exit:0 -o inline:'$2.50\n' -e empty \
|
|
${TEST_SH} -c 'cat <<- EOF
|
|
$(Value='\''$2.50'\'';eval echo $(eval $(cat V)$(cat A)$(cat R)=\'\''\$$(cat $(cat V)$(cat A)$(cat R))\'\''; eval echo \$$(set -- *;echo ${3}${1}${2})))
|
|
EOF'
|
|
}
|
|
|
|
atf_test_case u_nested_backticks_in_heredoc
|
|
u_nested_backticks_in_heredoc_head() {
|
|
atf_set "descr" "Checks nested old style cmd subs in here docs"
|
|
}
|
|
u_nested_backticks_in_heredoc_body() {
|
|
atf_require_prog cat
|
|
atf_require_prog rm
|
|
|
|
rm -f * 2>/dev/null || :
|
|
echo "Hello" > File
|
|
|
|
atf_check -s exit:0 -o inline:'Hello U\nHelp me!\n' -e empty \
|
|
${TEST_SH} -c 'cat <<- EOF
|
|
`cat File` U
|
|
`V=\`cat File\`; echo "${V%lo}p" ` me!
|
|
EOF'
|
|
|
|
rm -f * 2>/dev/null || :
|
|
echo V>V ; echo A>A; echo R>R
|
|
echo Value>VAR
|
|
|
|
atf_check -s exit:0 -o inline:'$5.20\n' -e empty \
|
|
${TEST_SH} -c 'cat <<- EOF
|
|
`Value='\''$5.20'\'';eval echo \`eval \\\`cat V\\\`\\\`cat A\\\`\\\`cat R\\\`=\\\'\''\\\$\\\`cat \\\\\\\`cat V\\\\\\\`\\\\\\\`cat A\\\\\\\`\\\\\\\`cat R\\\\\\\`\\\`\\\'\''; eval echo \\\$\\\`set -- *;echo \\\\\${3}\\\\\${1}\\\\\${2}\\\`\``
|
|
EOF'
|
|
}
|
|
|
|
atf_test_case v_cmdsub_paren_tests
|
|
v_cmdsub__paren_tests_head() {
|
|
atf_set "descr" "tests with cmdsubs containing embedded ')'"
|
|
}
|
|
v_cmdsub_paren_tests_body() {
|
|
|
|
# Tests from:
|
|
# http://www.in-ulm.de/~mascheck/various/cmd-subst/
|
|
# (slightly modified.)
|
|
|
|
atf_check -s exit:0 -o inline:'A.1\n' -e empty ${TEST_SH} -c \
|
|
'echo $(
|
|
case x in x) echo A.1;; esac
|
|
)'
|
|
|
|
atf_check -s exit:0 -o inline:'A.2\n' -e empty ${TEST_SH} -c \
|
|
'echo $(
|
|
case x in x) echo A.2;; esac # comment
|
|
)'
|
|
|
|
atf_check -s exit:0 -o inline:'A.3\n' -e empty ${TEST_SH} -c \
|
|
'echo $(
|
|
case x in (x) echo A.3;; esac
|
|
)'
|
|
|
|
atf_check -s exit:0 -o inline:'A.4\n' -e empty ${TEST_SH} -c \
|
|
'echo $(
|
|
case x in (x) echo A.4;; esac # comment
|
|
)'
|
|
|
|
atf_check -s exit:0 -o inline:'A.5\n' -e empty ${TEST_SH} -c \
|
|
'echo $(
|
|
case x in (x) echo A.5
|
|
esac
|
|
)'
|
|
|
|
atf_check -s exit:0 -o inline:'B: quoted )\n' -e empty ${TEST_SH} -c \
|
|
'echo $(
|
|
echo '\''B: quoted )'\''
|
|
)'
|
|
|
|
atf_check -s exit:0 -o inline:'C: comment then closing paren\n' \
|
|
-e empty ${TEST_SH} -c \
|
|
'echo $(
|
|
echo C: comment then closing paren # )
|
|
)'
|
|
|
|
atf_check -s exit:0 -o inline:'D.1: here-doc with )\n' \
|
|
-e empty ${TEST_SH} -c \
|
|
'echo $(
|
|
cat <<-\eof
|
|
D.1: here-doc with )
|
|
eof
|
|
)'
|
|
|
|
# D.2 is a bogus test.
|
|
|
|
atf_check -s exit:0 -o inline:'D.3: here-doc with \()\n' \
|
|
-e empty ${TEST_SH} -c \
|
|
'echo $(
|
|
cat <<-\eof
|
|
D.3: here-doc with \()
|
|
eof
|
|
)'
|
|
|
|
atf_check -s exit:0 -e empty \
|
|
-o inline:'E: here-doc terminated with a parenthesis ("academic")\n' \
|
|
${TEST_SH} -c \
|
|
'echo $(
|
|
cat <<-\)
|
|
E: here-doc terminated with a parenthesis ("academic")
|
|
)
|
|
)'
|
|
|
|
atf_check -s exit:0 -e empty \
|
|
-o inline:'F.1: here-doc embed with unbal single, back- or doublequote '\''\n' \
|
|
${TEST_SH} -c \
|
|
'echo $(
|
|
cat <<-"eof"
|
|
F.1: here-doc embed with unbal single, back- or doublequote '\''
|
|
eof
|
|
)'
|
|
atf_check -s exit:0 -e empty \
|
|
-o inline:'F.2: here-doc embed with unbal single, back- or doublequote "\n' \
|
|
${TEST_SH} -c \
|
|
'echo $(
|
|
cat <<-"eof"
|
|
F.2: here-doc embed with unbal single, back- or doublequote "
|
|
eof
|
|
)'
|
|
atf_check -s exit:0 -e empty \
|
|
-o inline:'F.3: here-doc embed with unbal single, back- or doublequote `\n' \
|
|
${TEST_SH} -c \
|
|
'echo $(
|
|
cat <<-"eof"
|
|
F.3: here-doc embed with unbal single, back- or doublequote `
|
|
eof
|
|
)'
|
|
|
|
atf_check -s exit:0 -e empty -o inline:'G: backslash at end of line\n' \
|
|
${TEST_SH} -c \
|
|
'echo $(
|
|
echo G: backslash at end of line # \
|
|
)'
|
|
|
|
atf_check -s exit:0 -e empty \
|
|
-o inline:'H: empty command-substitution\n' \
|
|
${TEST_SH} -c 'echo H: empty command-substitution $( )'
|
|
}
|
|
|
|
atf_test_case w_heredoc_outside_cmdsub
|
|
w_heredoc_outside_cmdsub_head() {
|
|
atf_set "descr" "Checks that here docs work inside cmd subs"
|
|
}
|
|
w_heredoc_outside_cmdsub_body() {
|
|
atf_require_prog cat
|
|
|
|
atf_check -s exit:0 -o inline:'Mary had a\nlittle\nlamb\n' -e empty \
|
|
${TEST_SH} -c 'echo "$( cat <<- \EOF )"
|
|
Mary had a
|
|
little
|
|
lamb
|
|
EOF
|
|
'
|
|
|
|
atf_check -s exit:0 -e empty \
|
|
-o inline:'Mary had 1\nlittle\nlamb\nMary had 4\nlittle\nlambs\n' \
|
|
${TEST_SH} -c 'for N in 1 4; do echo "$( cat <<- EOF )"
|
|
Mary had ${N}
|
|
little
|
|
lamb$( [ $N -gt 1 ] && echo s )
|
|
EOF
|
|
done'
|
|
|
|
|
|
atf_check -s exit:0 -o inline:'A Calculation:\n2 * 7 = 14\n' -e empty \
|
|
${TEST_SH} -c 'echo "$( cat <<- EOF)"
|
|
A Calculation:
|
|
2 * 7 = $(( 2 * 7 ))
|
|
EOF
|
|
'
|
|
}
|
|
|
|
atf_test_case x_heredoc_outside_backticks
|
|
x_heredoc_outside_backticks_head() {
|
|
atf_set "descr" "Checks that here docs work inside old style cmd subs"
|
|
}
|
|
x_heredoc_outside_backticks_body() {
|
|
atf_require_prog cat
|
|
|
|
atf_check -s exit:0 -o inline:'Mary had a little lamb\n' -e empty \
|
|
${TEST_SH} -c 'echo ` cat <<- \EOF `
|
|
Mary had a
|
|
little
|
|
lamb
|
|
EOF
|
|
'
|
|
|
|
atf_check -s exit:0 -o inline:'A Calculation:\n17 / 3 = 5\n' -e empty \
|
|
${TEST_SH} -c 'echo "` cat <<- EOF `"
|
|
A Calculation:
|
|
17 / 3 = $(( 17 / 3 ))
|
|
EOF
|
|
'
|
|
}
|
|
|
|
atf_test_case y_many_embedded_nl
|
|
y_many_embedded_nl_head() {
|
|
atf_set "descr" "Checks command substitutions that return many lines"
|
|
}
|
|
y_many_embedded_nl_body() {
|
|
atf_require_prog wc
|
|
atf_require_prog seq
|
|
|
|
# first make sure it should work
|
|
atf_check -s exit:0 -o match:'1002' -e empty \
|
|
${TEST_SH} -c "{ printf '%s\n' x
|
|
for a in \$( seq 1000 ); do printf '\n'; done
|
|
printf '%s\n' y; } | wc -l"
|
|
|
|
# then use a cmd-sub to get the same thing
|
|
atf_check -s exit:0 -o match:'1002' -e empty \
|
|
${TEST_SH} -c "printf '%s\n' \"\$( printf '%s\n' x
|
|
for a in \$( seq 1000 ); do printf '\n'; done
|
|
printf '%s\n' y )\" | wc -l"
|
|
|
|
# and a much bigger one.
|
|
atf_check -s exit:0 -o match:'10002' -e empty \
|
|
${TEST_SH} -c "printf '%s\n' \"\$( printf '%s\n' x
|
|
for a in \$( seq 10000 ); do printf '\n'; done
|
|
printf '%s\n' y )\" | wc -l"
|
|
}
|
|
|
|
atf_test_case z_absurd_heredoc_cmdsub_combos
|
|
z_absurd_heredoc_cmdsub_combos_head() {
|
|
atf_set "descr" "perverse and unusual cmd substitutions & more"
|
|
}
|
|
z_absurd_heredoc_cmdsub_combos_body() {
|
|
|
|
echo "Help!" > help
|
|
|
|
# This version works in NetBSD (& FreeBSD)'s sh (and most others)
|
|
atf_check -s exit:0 -o inline:'Help!\nMe 2\n' -e empty ${TEST_SH} -c '
|
|
cat <<- EOF
|
|
$(
|
|
cat <<- STOP
|
|
$(
|
|
cat `echo help`
|
|
)
|
|
STOP
|
|
)
|
|
$(
|
|
cat <<- END 4<<-TRASH
|
|
Me $(( 1 + 1 ))
|
|
END
|
|
This is unused noise!
|
|
TRASH
|
|
)
|
|
EOF
|
|
'
|
|
|
|
# atf_expect_fail "PR bin/50993 - heredoc parsing done incorrectly"
|
|
atf_check -s exit:0 -o inline:'Help!\nMe 2\n' -e empty ${TEST_SH} -c '
|
|
cat <<- EOF
|
|
$(
|
|
cat << STOP
|
|
$(
|
|
cat `echo help`
|
|
)
|
|
STOP
|
|
)
|
|
$(
|
|
cat <<- END 4<<TRASH
|
|
Me $(( 1 + 1 ))
|
|
END
|
|
This is unused noise!
|
|
TRASH
|
|
)
|
|
EOF
|
|
'
|
|
}
|
|
|
|
atf_init_test_cases() {
|
|
atf_add_test_case a_basic_cmdsub
|
|
atf_add_test_case b_basic_backticks
|
|
atf_add_test_case c_nested_cmdsub
|
|
atf_add_test_case d_nested_backticks
|
|
atf_add_test_case e_perverse_mixing
|
|
atf_add_test_case f_redirect_in_cmdsub
|
|
atf_add_test_case g_redirect_in_backticks
|
|
atf_add_test_case h_vars_in_cmdsub
|
|
atf_add_test_case i_vars_in_backticks
|
|
atf_add_test_case j_cmdsub_in_varexpand
|
|
atf_add_test_case k_backticks_in_varexpand
|
|
atf_add_test_case l_arithmetic_in_cmdsub
|
|
atf_add_test_case m_arithmetic_in_backticks
|
|
atf_add_test_case n_cmdsub_in_arithmetic
|
|
atf_add_test_case o_backticks_in_arithmetic
|
|
atf_add_test_case p_cmdsub_in_heredoc
|
|
atf_add_test_case q_backticks_in_heredoc
|
|
atf_add_test_case r_heredoc_in_cmdsub
|
|
atf_add_test_case s_heredoc_in_backticks
|
|
atf_add_test_case t_nested_cmdsubs_in_heredoc
|
|
atf_add_test_case u_nested_backticks_in_heredoc
|
|
atf_add_test_case v_cmdsub_paren_tests
|
|
atf_add_test_case w_heredoc_outside_cmdsub
|
|
atf_add_test_case x_heredoc_outside_backticks
|
|
atf_add_test_case y_many_embedded_nl
|
|
atf_add_test_case z_absurd_heredoc_cmdsub_combos
|
|
}
|