Module Name: src
Committed By: christos
Date: Sun Mar 20 22:57:04 UTC 2016
Modified Files:
src/tests/bin/sh: Makefile
Added Files:
src/tests/bin/sh: t_cmdsub.sh
Log Message:
new command substitution test from kre
To generate a diff of this commit:
cvs rdiff -u -r1.10 -r1.11 src/tests/bin/sh/Makefile
cvs rdiff -u -r0 -r1.1 src/tests/bin/sh/t_cmdsub.sh
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/bin/sh/Makefile
diff -u src/tests/bin/sh/Makefile:1.10 src/tests/bin/sh/Makefile:1.11
--- src/tests/bin/sh/Makefile:1.10 Wed Mar 16 17:13:51 2016
+++ src/tests/bin/sh/Makefile Sun Mar 20 18:57:04 2016
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.10 2016/03/16 21:13:51 christos Exp $
+# $NetBSD: Makefile,v 1.11 2016/03/20 22:57:04 christos Exp $
#
.include <bsd.own.mk>
@@ -8,6 +8,7 @@ TESTSDIR = ${TESTSBASE}/bin/sh
TESTS_SUBDIRS += dotcmd
TESTS_SH+= t_arith
+TESTS_SH+= t_cmdsub
TESTS_SH+= t_evaltested
TESTS_SH+= t_exit
TESTS_SH+= t_expand
Added files:
Index: src/tests/bin/sh/t_cmdsub.sh
diff -u /dev/null src/tests/bin/sh/t_cmdsub.sh:1.1
--- /dev/null Sun Mar 20 18:57:04 2016
+++ src/tests/bin/sh/t_cmdsub.sh Sun Mar 20 18:57:04 2016
@@ -0,0 +1,500 @@
+# $NetBSD: t_cmdsub.sh,v 1.1 2016/03/20 22:57:04 christos Exp $
+#
+# Copyright (c) 2016 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"}
+
+#
+# This file tests command substitutions ( `...` and $( ... ) )
+#
+# CAUTION:
+# Be careful attempting running these tests outside the ATF environment
+# Some of the tests run "rm *" in the current directory to clean up
+# An ATF test directory should be empty already, outside ATF, anything
+
+atf_test_case a_basic_cmdsub
+a_basic_cmdsub_head() {
+ atf_set "descr" 'Test operation of simple $( ) substitutions'
+}
+a_basic_cmdsub_body() {
+ atf_check -s exit:0 -o match:'Result is true today' -e empty \
+ ${TEST_SH} -c \
+ 'echo Result is $( true && echo true || echo false ) today'
+
+ atf_check -s exit:0 -o match:'Result is false today' -e empty \
+ ${TEST_SH} -c \
+ 'echo Result is $( false && echo true || echo false ) today'
+
+ atf_check -s exit:0 -o match:'aaabbbccc' -e empty \
+ ${TEST_SH} -c 'echo aaa$( echo bbb )ccc'
+ atf_check -s exit:0 -o match:'aaabbb cccddd' -e empty \
+ ${TEST_SH} -c 'echo aaa$( echo bbb ccc )ddd'
+ atf_check -s exit:0 -o inline:'aaabbb cccddd\n' -e empty \
+ ${TEST_SH} -c 'echo aaa$( echo bbb; echo ccc )ddd'
+ atf_check -s exit:0 -o inline:'aaabbb\ncccddd\n' -e empty \
+ ${TEST_SH} -c 'echo "aaa$( echo bbb; echo ccc )ddd"'
+
+ atf_check -s exit:0 -o inline:'some string\n' -e empty \
+ ${TEST_SH} -c 'X=$( echo some string ); echo "$X"'
+ atf_check -s exit:0 -o inline:'weird; string *\n' -e empty \
+ ${TEST_SH} -c 'X=$( echo "weird; string *" ); echo "$X"'
+
+ rm -f * 2>/dev/null || :
+ for f in file-1 file-2
+ do
+ cp /dev/null "$f"
+ done
+
+ atf_check -s exit:0 -o match:'Found file-1 file-2' -e empty \
+ ${TEST_SH} -c 'echo Found $( echo * )'
+ atf_check -s exit:0 -o match:'Found file-1 file-2' -e empty \
+ ${TEST_SH} -c 'echo Found "$( echo * )"'
+ atf_check -s exit:0 -o match:'Found file-1 file-2' -e empty \
+ ${TEST_SH} -c 'echo Found $('" echo '*' )"
+ atf_check -s exit:0 -o match:'Found \*' -e empty \
+ ${TEST_SH} -c 'echo Found "$('" echo '*' "')"'
+ atf_check -s exit:0 -o match:'Found file-1 file-2' -e empty \
+ ${TEST_SH} -c 'echo Found $('" echo \\* )"
+ atf_check -s exit:0 -o match:'Found \*' -e empty \
+ ${TEST_SH} -c 'echo Found "$('" echo \\* )"\"
+}
+
+atf_test_case b_basic_backticks
+b_basic_backticks_head() {
+ atf_set "descr" 'Test operation of old style ` ` substitutions'
+}
+b_basic_backticks_body() {
+ atf_check -s exit:0 -o match:'Result is true today' -e empty \
+ ${TEST_SH} -c \
+ 'echo Result is `true && echo true || echo false` today'
+
+ atf_check -s exit:0 -o match:'Result is false today' -e empty \
+ ${TEST_SH} -c \
+ 'echo Result is `false && echo true || echo false` today'
+
+ atf_check -s exit:0 -o match:'aaabbbccc' -e empty \
+ ${TEST_SH} -c 'echo aaa` echo bbb `ccc'
+ atf_check -s exit:0 -o match:'aaabbb cccddd' -e empty \
+ ${TEST_SH} -c 'echo aaa` echo bbb ccc `ddd'
+ atf_check -s exit:0 -o inline:'aaabbb cccddd\n' -e empty \
+ ${TEST_SH} -c 'echo aaa` echo bbb; echo ccc `ddd'
+ atf_check -s exit:0 -o inline:'aaabbb\ncccddd\n' -e empty \
+ ${TEST_SH} -c 'echo "aaa` echo bbb; echo ccc `ddd"'
+
+ atf_check -s exit:0 -o inline:'some string\n' -e empty \
+ ${TEST_SH} -c 'X=` echo some string `; echo "$X"'
+ atf_check -s exit:0 -o inline:'weird; string *\n' -e empty \
+ ${TEST_SH} -c 'X=` echo "weird; string *" `; echo "$X"'
+
+ rm -f * 2>/dev/null || :
+ for f in file-1 file-2
+ do
+ cp /dev/null "$f"
+ done
+
+ atf_check -s exit:0 -o match:'Found file-1 file-2' -e empty \
+ ${TEST_SH} -c 'echo Found ` echo * `'
+ atf_check -s exit:0 -o match:'Found file-1 file-2' -e empty \
+ ${TEST_SH} -c 'echo Found "` echo * `"'
+ atf_check -s exit:0 -o match:'Found file-1 file-2' -e empty \
+ ${TEST_SH} -c 'echo Found `'" echo '*' "'`'
+ atf_check -s exit:0 -o match:'Found \*' -e empty \
+ ${TEST_SH} -c 'echo Found "`'" echo '*' "'`"'
+ atf_check -s exit:0 -o match:'Found file-1 file-2' -e empty \
+ ${TEST_SH} -c 'echo Found `'" echo \\* "'`'
+ atf_check -s exit:0 -o match:'Found \*' -e empty \
+ ${TEST_SH} -c 'echo Found "`'" echo \\* "'`"'
+}
+
+atf_test_case c_nested_cmdsub
+c_nested_cmdsub_head() {
+ atf_set "descr" "Test that cmd substitutions can be nested"
+}
+c_nested_cmdsub_body() {
+ atf_check -s exit:0 -o match:'__foobarbletch__' -e empty \
+ ${TEST_SH} -c 'echo __$( echo foo$(echo bar)bletch )__'
+ atf_check -s exit:0 -o match:'_abcde_' -e empty \
+ ${TEST_SH} -c 'echo _$(echo a$(echo $(echo b)c$(echo d))e )_'
+ atf_check -s exit:0 -o match:'123454321' -e empty \
+ ${TEST_SH} -c 'echo 1$(echo 2$(echo 3$(echo 4$(echo 5)4)3)2)1'
+}
+
+atf_test_case d_nested_backticks
+d_nested_backticks_head() {
+ atf_set "descr" "Tests that old style backtick cmd subs can be nested"
+}
+d_nested_backticks_body() {
+ atf_check -s exit:0 -o match:'__foobarbletch__' -e empty \
+ ${TEST_SH} -c 'echo __` echo foo\`echo bar\`bletch `__'
+ atf_check -s exit:0 -o match:'_abcde_' -e empty \
+ ${TEST_SH} -c \
+ 'echo _`echo a\`echo \\\`echo b\\\`c\\\`echo d\\\`\`e `_'
+ atf_check -s exit:0 -o match:'123454321' -e empty \
+ ${TEST_SH} -c \
+ 'echo 1`echo 2\`echo 3\\\`echo 4\\\\\\\`echo 5\\\\\\\`4\\\`3\`2`1'
+}
+
+atf_test_case e_perverse_mixing
+e_perverse_mixing_head() {
+ atf_set "descr" \
+ "Checks various mixed new and old style cmd substitutions"
+}
+e_perverse_mixing_body() {
+ atf_check -s exit:0 -o match:'__foobarbletch__' -e empty \
+ ${TEST_SH} -c 'echo __$( echo foo`echo bar`bletch )__'
+ atf_check -s exit:0 -o match:'__foobarbletch__' -e empty \
+ ${TEST_SH} -c 'echo __` echo foo$(echo bar)bletch `__'
+ atf_check -s exit:0 -o match:'_abcde_' -e empty \
+ ${TEST_SH} -c 'echo _$(echo a`echo $(echo b)c$(echo d)`e )_'
+ atf_check -s exit:0 -o match:'_abcde_' -e empty \
+ ${TEST_SH} -c 'echo _`echo a$(echo \`echo b\`c\`echo d\`)e `_'
+ atf_check -s exit:0 -o match:'12345654321' -e empty \
+ ${TEST_SH} -c \
+ 'echo 1`echo 2$(echo 3\`echo 4\\\`echo 5$(echo 6)5\\\`4\`3)2`1'
+}
+
+atf_test_case f_redirect_in_cmdsub
+f_redirect_in_cmdsub_head() {
+ atf_set "descr" "Checks that redirects work in command substitutions"
+}
+f_redirect_in_cmdsub_body() {
+ rm -f file 2>/dev/null || :
+ atf_check -s exit:0 -o match:'_aa_' -e empty \
+ ${TEST_SH} -c 'echo _$( echo a$( echo b > file )a)_'
+ atf_check -s exit:0 -o match:b -e empty ${TEST_SH} -c 'cat file'
+ atf_check -s exit:0 -o match:'_aba_' -e empty \
+ ${TEST_SH} -c 'echo _$( echo a$( cat < file )a)_'
+ atf_check -s exit:0 -o match:'_aa_' -e empty \
+ ${TEST_SH} -c 'echo _$( echo a$( echo d >> file )a)_'
+ atf_check -s exit:0 -o inline:'b\nd\n' -e empty ${TEST_SH} -c 'cat file'
+ atf_check -s exit:0 -o match:'_aa_' -e match:'not error' \
+ ${TEST_SH} -c 'echo _$( echo a$( echo not error >&2 )a)_'
+}
+
+atf_test_case g_redirect_in_backticks
+g_redirect_in_backticks_head() {
+ atf_set "descr" "Checks that redirects work in old style cmd sub"
+}
+g_redirect_in_backticks_body() {
+ rm -f file 2>/dev/null || :
+ atf_check -s exit:0 -o match:'_aa_' -e empty \
+ ${TEST_SH} -c 'echo _` echo a\` echo b > file \`a`_'
+ atf_check -s exit:0 -o match:b -e empty ${TEST_SH} -c 'cat file'
+ atf_check -s exit:0 -o match:'_aba_' -e empty \
+ ${TEST_SH} -c 'echo _` echo a\` cat < file \`a`_'
+ atf_check -s exit:0 -o match:'_aa_' -e empty \
+ ${TEST_SH} -c 'echo _` echo a\` echo d >> file \`a`_'
+ atf_check -s exit:0 -o inline:'b\nd\n' -e empty ${TEST_SH} -c 'cat file'
+ atf_check -s exit:0 -o match:'_aa_' -e match:'not error' \
+ ${TEST_SH} -c 'echo _` echo a\` echo not error >&2 \`a`_'
+}
+
+atf_test_case h_vars_in_cmdsub
+h_vars_in_cmdsub_head() {
+ atf_set "descr" "Check that variables work in command substitutions"
+}
+h_vars_in_cmdsub_body() {
+ atf_check -s exit:0 -o match:'__abc__' -e empty \
+ ${TEST_SH} -c 'X=abc; echo __$( echo ${X} )__'
+ atf_check -s exit:0 -o match:'__abc__' -e empty \
+ ${TEST_SH} -c 'X=abc; echo __$( echo "${X}" )__'
+ atf_check -s exit:0 -o match:'__abc__' -e empty \
+ ${TEST_SH} -c 'X=abc; echo "__$( echo ${X} )__"'
+ atf_check -s exit:0 -o match:'__abc__' -e empty \
+ ${TEST_SH} -c 'X=abc; echo "__$( echo "${X}" )__"'
+
+ atf_check -s exit:0 -o inline:'a\n\nb\n\nc\n' -e empty \
+ ${TEST_SH} -c "for X in a '' b '' c"'; do echo $( echo "$X" ); done'
+
+ atf_check -s exit:0 -o match:'__acd__' -e empty \
+ ${TEST_SH} -c 'X=; unset Y; echo "__$( echo a${X-b}${Y-c}d)__"'
+ atf_check -s exit:0 -o match:'__abcd__' -e empty \
+ ${TEST_SH} -c 'X=; unset Y; echo "__$( echo a${X:-b}${Y:-c}d)__"'
+ atf_check -s exit:0 -o match:'__XYX__' -e empty \
+ ${TEST_SH} -c 'X=X; echo "__${X}$( X=Y; echo ${X} )${X}__"'
+ atf_check -s exit:0 -o match:'__def__' -e empty \
+ ${TEST_SH} -c 'X=abc; echo "__$(X=def; echo "${X}" )__"'
+ atf_check -s exit:0 -o inline:'abcdef\nabc\n' -e empty \
+ ${TEST_SH} -c 'X=abc; echo "$X$(X=def; echo ${X} )"; echo $X'
+}
+
+atf_test_case i_vars_in_backticks
+i_vars_in_backticks_head() {
+ atf_set "descr" "Checks that variables work in old style cmd sub"
+}
+i_vars_in_backticks_body() {
+ atf_check -s exit:0 -o match:'__abc__' -e empty \
+ ${TEST_SH} -c 'X=abc; echo __` echo ${X} `__'
+ atf_check -s exit:0 -o match:'__abc__' -e empty \
+ ${TEST_SH} -c 'X=abc; echo __` echo "${X}" `__'
+ atf_check -s exit:0 -o match:'__abc__' -e empty \
+ ${TEST_SH} -c 'X=abc; echo "__` echo ${X} `__"'
+ atf_check -s exit:0 -o match:'__abc__' -e empty \
+ ${TEST_SH} -c 'X=abc; echo "__` echo \"${X}\" `__"'
+
+ atf_check -s exit:0 -o inline:'a\n\nb\n\nc\n' -e empty \
+ ${TEST_SH} -c "for X in a '' b '' c"'; do echo $( echo "$X" ); done'
+
+ atf_check -s exit:0 -o match:'__acd__' -e empty \
+ ${TEST_SH} -c 'X=; unset Y; echo "__$( echo a${X-b}${Y-c}d)__"'
+ atf_check -s exit:0 -o match:'__abcd__' -e empty \
+ ${TEST_SH} -c 'X=; unset Y; echo "__$( echo a${X:-b}${Y:-c}d)__"'
+ atf_check -s exit:0 -o match:'__XYX__' -e empty \
+ ${TEST_SH} -c 'X=X; echo "__${X}$( X=Y; echo ${X} )${X}__"'
+ atf_check -s exit:0 -o inline:'abcdef\nabc\n' -e empty \
+ ${TEST_SH} -c 'X=abc; echo "$X`X=def; echo \"${X}\" `";echo $X'
+
+ # The following is nonsense, so is not included ...
+ # atf_check -s exit:0 -o match:'__abc__' -e empty \
+ # oV cV oV cV
+ # ${TEST_SH} -c 'X=abc; echo "__`X=def echo "${X}" `__"'
+ # `start in " ^ " ends, ` not yet
+}
+
+atf_test_case j_cmdsub_in_varexpand
+j_cmdsub_in_varexpand_head() {
+ atf_set "descr" "Checks that command sub can be used in var expansion"
+}
+j_cmdsub_in_varexpand_body() {
+ atf_check -s exit:0 -o match:'foo' -e empty \
+ ${TEST_SH} -c 'X=set; echo ${X+$(echo foo)}'
+ atf_check -s exit:0 -o match:'set' -e empty \
+ ${TEST_SH} -c 'X=set; echo ${X-$(echo foo)}'
+ rm -f bar 2>/dev/null || :
+ atf_check -s exit:0 -o match:'set' -e empty \
+ ${TEST_SH} -c 'X=set; echo ${X-$(echo foo > bar)}'
+ test -f bar && atf_fail "bar should not exist, but does"
+ atf_check -s exit:0 -o inline:'\n' -e empty \
+ ${TEST_SH} -c 'X=set; echo ${X+$(echo foo > bar)}'
+ test -f bar || atf_fail "bar should exist, but does not"
+}
+
+atf_test_case k_backticks_in_varexpand
+k_backticks_in_varexpand_head() {
+ atf_set "descr" "Checks that old style cmd sub works in var expansion"
+}
+k_backticks_in_varexpand_body() {
+ atf_check -s exit:0 -o match:'foo' -e empty \
+ ${TEST_SH} -c 'X=set; echo ${X+`echo foo`}'
+ atf_check -s exit:0 -o match:'set' -e empty \
+ ${TEST_SH} -c 'X=set; echo ${X-`echo foo`}'
+ rm -f bar 2>/dev/null || :
+ atf_check -s exit:0 -o match:'set' -e empty \
+ ${TEST_SH} -c 'X=set; echo ${X-`echo foo > bar`}'
+ test -f bar && atf_fail "bar should not exist, but does"
+ atf_check -s exit:0 -o inline:'\n' -e empty \
+ ${TEST_SH} -c 'X=set; echo ${X+`echo foo > bar`}'
+ test -f bar || atf_fail "bar should exist, but does not"
+}
+
+atf_test_case l_arithmetic_in_cmdsub
+l_arithmetic_in_cmdsub_head() {
+ atf_set "descr" "Checks that arithmetic works in cmd substitutions"
+}
+l_arithmetic_in_cmdsub_body() {
+ atf_check -s exit:0 -o inline:'1 + 1 = 2\n' -e empty \
+ ${TEST_SH} -c 'echo 1 + 1 = $( echo $(( 1 + 1 )) )'
+ atf_check -s exit:0 -o inline:'X * Y = 6\n' -e empty \
+ ${TEST_SH} -c 'X=2; Y=3; echo X \* Y = $( echo $(( X * Y )) )'
+ atf_check -s exit:0 -o inline:'Y % X = 1\n' -e empty \
+ ${TEST_SH} -c 'X=2; Y=3; echo Y % X = $( echo $(( $Y % $X )) )'
+}
+
+atf_test_case m_arithmetic_in_backticks
+m_arithmetic_in_backticks_head() {
+ atf_set "descr" "Checks that arithmetic works in old style cmd sub"
+}
+m_arithmetic_in_backticks_body() {
+ atf_check -s exit:0 -o inline:'2 + 3 = 5\n' -e empty \
+ ${TEST_SH} -c 'echo 2 + 3 = ` echo $(( 2 + 3 )) `'
+ atf_check -s exit:0 -o inline:'X * Y = 6\n' -e empty \
+ ${TEST_SH} -c 'X=2; Y=3; echo X \* Y = ` echo $(( X * Y )) `'
+ atf_check -s exit:0 -o inline:'Y % X = 1\n' -e empty \
+ ${TEST_SH} -c 'X=2; Y=3; echo Y % X = ` echo $(( $Y % $X )) `'
+}
+
+atf_test_case n_cmdsub_in_arithmetic
+n_cmdsub_in_arithmetic_head() {
+ atf_set "descr" "Tests uses of command substitutions in arithmetic"
+}
+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_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_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_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
+ )"'
+
+ # not all shells permit this syntax ...
+ # But I see nothing in the standard to prohibit it.
+ atf_check -s exit:0 -o inline:'Line 1\nLine 2\n' -e empty \
+ ${TEST_SH} -c 'echo "$( cat <<- "EOF" )"
+ Line 1
+ Line 2
+ 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_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_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_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() {
+}
+
+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 z_absurd_heredoc_cmdsub_combos
+}
