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Diffstat (limited to '')
-rw-r--r-- | tests/more-exp.tests | 517 |
1 files changed, 517 insertions, 0 deletions
diff --git a/tests/more-exp.tests b/tests/more-exp.tests new file mode 100644 index 0000000..df12b99 --- /dev/null +++ b/tests/more-exp.tests @@ -0,0 +1,517 @@ +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# +expect() +{ + echo expect "$@" +} + +tool_var() { + eval $1=\"\${$1:-$2}\" + export $1 +} + +A="aaa bbb ccc" + +unset B + +tool_var B ${B:-"$A"} + +expect '<aaa bbb ccc>' +recho "$A" +expect '<aaa bbb ccc>' +recho "$B" + +eto_prepend() { + eval $1=\'$2\''${'$1':+":"${'$1'}}'; export $1 +} + +foo=bar; export foo +eto_prepend foo baz +expect '<baz:bar>' +recho $foo +expect '<baz:bar>' +recho ${foo-"bar"} + +aa='aaa bbb ccc' + +expect '<aaa bbb ccc>' +recho ${zzz-"$aa"} +expect '<bar>' +recho ${zzz:-"bar"} +expect '<bar>' +recho "${zzz:-bar}" +expect '<bar>' +recho "${zzz:-"bar"}" + +var=abcde +expect '<abcde>' +recho "${var:-xyz}" +expect '<abcde>' +recho "${var:=xyz}" +expect '<xyz>' +recho "${var:+xyz}" + +set 'a b' c d e f +expect '<a b> <c> <d> <e> <f>' +recho ${1+"$@"} +expect '<a b>' +recho "${1-"$@"}" +expect '<a> <b>' +recho ${1-"$@"} +expect '<a b> <c> <d> <e> <f>' +recho "${1+$@}" +expect '<a b> <c> <d> <e> <f>' +recho "${1+"$@"}" + +HOME=/usr/homes/chet +somevar= +expect "<$HOME>" +recho ${somevar:-~} +# This changed after bash-3.0, when the tilde implementation was redone. It's +# not backward compatible, but it's very hard to be backward-compatible here, +# and I think the old behavior was a bug +expect '<~>' +recho "${somevar:-~}" +expect '<~>' +recho "${somevar:-"~"}" +expect '<\~>' +recho "${somevar:-\~}" +expect '<\ \~>' +recho "${somevar:-\ \~}" +expect '<\ \ \~>' +recho "${somevar:-\ \ \~}" + +expect "<$HOME>" +recho ${somevar:-$HOME} +expect "<$HOME>" +recho "${somevar:-$HOME}" +expect "<$HOME>" +recho "${somevar:-"$HOME"}" +expect '<$HOME>' +recho "${somevar:-\$HOME}" +expect '<\ $HOME>' +recho "${somevar:-\ \$HOME}" +expect '<\ \ $HOME>' +recho "${somevar:-\ \ \$HOME}" + +foo=bar +expect "<'bar'>" +recho "${foo+'$foo'}" +expect "<'bar'>" +recho "${fox='$foo'}" + +P='*@*' +expect '<*@>' +recho "${P%"*"}" +expect '<*@>' +recho "${P%'*'}" + +expect '<*@>' +recho ${P%"*"} +expect '<*@>' +recho ${P%'*'} + +expect '<*@*>' +recho ${P%""} +expect '<*@*>' +recho ${P#""} + +expect '<*@*>' +recho ${P#"$foobar"} +expect '<*@*>' +recho ${P%"$foobar"} + +s1=abcdefghijkl +s2=efgh + +first=${s1/$s2*/} +expect '<abcd>' +recho $first + +last=${s1##$first} +expect '<efghijkl>' +recho $last + +shift $# +UNAME_RELEASE=${1:-4.2MP} + +RELEASE=`expr "$UNAME_RELEASE" : '[^0-9]*\([0-9]*\)'` # 4 +case "$RELEASE" in +"") RELEASE=0 ;; +*) RELEASE=`expr "$RELEASE" + 0` ;; +esac +REL_LEVEL=`expr "$UNAME_RELEASE" : '[^0-9]*[0-9]*.\([0-9]*\)'` # 1 +REL_SUBLEVEL=`expr "$UNAME_RELEASE" : '[^0-9]*[0-9]*.[0-9]*.\([0-9]*\)'` # 2 + +expect '<4> <2>' +recho $RELEASE $REL_LEVEL $REL_SUBLEVEL + +b1() +{ + b2 ${1+"$@"} +} + +b2() +{ + recho $* + recho ${#} +} + +expect '<1>' +b1 '' + +expect '<bar> <2>' +b1 bar '' + +expect '<bar> <2>' +b1 '' bar + +expect '<4>' +b1 '' '' '' '' + +NL="\\ +" + +NNL="+$NL+" + +expect '<--\> <-->' +recho --$NL-- +expect '<--\^J-->' +recho "--$NL--" + +expect '<--+\> <+-->' +recho --$NNL-- +expect '<--+\^J+-->' +recho "--$NNL--" + +expect '<-+\> <+-\> <->' +recho -$NNL-$NL- + +set '' +expect '<xy>' +recho "$*xy" +expect '<xy>' +recho "x$*y" +expect '<xy>' +recho "xy$*" +expect '<xy>' +recho x"$*"y +expect '<xy>' +recho xy"$*" +expect '<xy>' +recho "$*"xy +expect '<>' +recho "$*" +expect nothing +recho $* + +unset undef ; set "" + +expect '<>' +recho ${undef-"$*"} +expect '<xy>' +recho ${undef-"x$*y"} +expect '<xy>' +recho ${undef-"$*xy"} +expect '<xy>' +recho ${undef-"xy$*"} +expect '<xy>' +recho ${undef-x"$*"y} +expect '<xy>' +recho ${undef-xy"$*"} +expect '<xy>' +recho ${undef-"$*"xy} +expect '<>' +recho "${undef-$*}" +expect nothing +recho ${undef-$*} + +expect '<>' +recho ${undef-"$zzz"} +expect '<x>' +recho x${undef-"$zzz"} +expect '<x>' +recho x${undef-"$@"} +expect nothing +recho ${undef-"$@"} +expect '<x>' +recho ${undef-"$zzz"}x +expect '<x>' +recho ${undef-"$@"}x +expect '<x>' +recho "$@"x +expect '<x>' +recho "$zzz"x +expect '<^?>' +recho ${undef-} +expect '<^?>' +recho ${undef-""} + +yyy="" +recho "$xxx"x +recho "$yyy"x + +set "" "abd" "" +recho "$@"x +recho "$@"$xxx + +OIFS="$IFS" + +arg=a,b,c,d,e,f + +IFS=, + +export z=$arg + +eval z1=\"$arg\" + +IFS="$OIFS" + +recho $z +recho $z1 + +# should give an error +abc\=def + +zz="a b c d e" +declare a=$zz + +recho "$a" +recho $a + +recho $(echo "foo$(echo ")")") + +# test backslash escapes + +recho \a +recho \\a + +recho "\a" +recho "\\a" + +recho '\a' +recho '\\a' + +recho $(zecho \a) +recho $(zecho \\a) + +recho $(zecho "\a") +recho $(zecho "\\a") + +recho $(zecho '\a') +recho $(zecho '\\a') + +recho `zecho \a` +recho `zecho \\a` + +recho `zecho "\a"` +recho `zecho "\\a"` + +recho `zecho '\a'` +recho `zecho '\\a'` + +a=foo + +recho \$a +recho \\$a + +recho "\$a" +recho "\\$a" + +recho '\$a' +recho '\\$a' + +recho $(zecho `zecho \a`) +recho $(zecho `zecho \\a`) + +recho $(zecho `zecho "\a"`) +recho $(zecho `zecho "\\a"`) + +recho $(zecho `zecho '\a'`) +recho $(zecho `zecho '\\a'`) + +# should echo G { I K } +recho ${abc:-G { I } K } + +abc=hi + +# should echo hi K } +recho ${abc:-G { I } K } + +# should echo a* +unset foo +recho "${foo:-"a"}*" + +f () +{ + echo "Number of args: $#" + echo "<\${*-x}>: <${*-x}>" + echo "<\${@-x}>: <${@-x}>" +} + +f +f '' +f '' '' + +set 1 2 3 4 5 + +expect '<5>' +recho ${#} +expect '<5>' +recho ${#:foo} +expect '<5>' +recho ${#:-foo} +expect '<5>' +recho ${#-posparams} +expect '<5>' +recho ${#:-posparams} + +expect '<0>' +recho ${#!} + +expect nothing +recho $! +expect nothing +recho ${!} + +expect nothing +recho $8 +expect nothing +recho ${8} + +shift $# + +expect '<0>' +recho ${#} +expect '<0>' +recho ${#:foo} +expect '<0>' +recho ${#:-foo} +expect '<0>' +recho ${#-posparams} +expect '<0>' +recho ${#:-posparams} + +expect '<posparams>' +recho ${!-posparams} +expect '<posparams>' +recho ${!:-posparams} + +expect '<2>' +recho ${#-} + +expect '<0>' +recho ${#-posparams} + +expect '<0>' +recho ${#?:-xyz} + +expect '<1>' +recho ${#?} + +set a b c d e + +expect '<5>' +recho ${#} +expect '<5>' +recho ${#?:-xyz} + +shift ${#} + +expect '<0>' +recho ${#:-foo} + +expect a bad substitution error +recho ${#:} +expect a bad substitution error +recho ${#/} +expect a bad substitution error +recho ${#%} +expect a bad substitution error +recho ${#=} +expect a bad substitution error +recho ${#+} +expect a bad substitution error +recho ${#1xyz} + +expect a math syntax error +recho ${#:%} + +expect '<0>' +recho ${#:-} + +set -- +unset a b + +x=a +y=b + +IFS=+ + +expect '<a+b>' +recho $x+$y +expect '<+>' +recho $a+$b + +expect '<+>' +recho + "$@" +expect '<+>' +recho +"$@" + +# variants of nested curly braces inside ${...} expressions + +# IFS is not the standard one + +expect '<G { I>' '<K>' '<}>' +recho ${gik:-G { I } K } + +abc=hi + +expect '<hi>' '<K>' '<}>' +recho ${abc:-G { I } K } + +# reset IFS to the default +IFS=' +' + +# nested ${...} inside ${...} are handled specially +unset XXX FOO BAR +expect '<xxx>' '<yyy>' +XXX=xxx +FOO=${BAR:-${XXX} yyy} +recho $FOO + +# this was a bug in versions of bash prior to bash-2.04-release +set -- '' +expect 1 +echo $# +expect '<>' +recho "${@}" +expect '<>' +recho "${@-}" +expect '<>' +recho "${@:-}" + +# this was a bug in bash-2.04, fixed in 2.05 +set -- a b +expect '<:a:>' '<:b:>' +for i in "${@-}"; do recho :$i:; done + +# I believe that ksh93 does these wrong -- we're using the rhs, so shouldn't +# it behave the same as ""? +set -- +expect '<>' +recho "${@-}" +expect '<>' +recho "${@:-}" |