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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:33:23 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:33:23 +0000 |
commit | 1d5cace9db9aef76f26b2d7ba54bbb76443b00b2 (patch) | |
tree | 314a15dd1aa103da13bdc83ba1d2105a290bc5ba /tests/exp.tests | |
parent | Initial commit. (diff) | |
download | bash-upstream/5.0.tar.xz bash-upstream/5.0.zip |
Adding upstream version 5.0.upstream/5.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/exp.tests')
-rw-r--r-- | tests/exp.tests | 410 |
1 files changed, 410 insertions, 0 deletions
diff --git a/tests/exp.tests b/tests/exp.tests new file mode 100644 index 0000000..6e364f9 --- /dev/null +++ b/tests/exp.tests @@ -0,0 +1,410 @@ +# +# A suite of tests for bash word expansions +# +# This tests parameter and variable expansion, with an empahsis on +# proper quoting behavior. +# +# Chet Ramey + +# +# If you comment out the body of this function, you can do a diff against +# `expansion-tests.right' to see if the shell is behaving correctly +# +expect() +{ + echo expect "$@" +} + +# Test the substitution quoting characters (CTLESC and CTLNUL) in different +# combinations + +expect "<^A>" +recho `echo ''` +expect "<^A>" +recho `echo ""` +expect "<^?>" +recho `echo ''` +expect "<^?>" +recho `echo ""` +expect "<^A>" +recho `echo ` +expect "<^?>" +recho `echo ` + +expect "bar" +recho ${foo:-"`echo bar`"} +expect "<^A>" +recho ${foo:-"`echo `"} +expect "<^?>" +recho ${foo:-"`echo `"} + +expect "<^A>" +recho "`echo `" +expect "<^?>" +recho "`echo `" + +# Test null strings without variable expansion +expect "<abcdefgh>" +recho abcd""efgh +expect "<abcdefgh>" +recho abcd''efgh +expect "<abcdefgh>" +recho ""abcdefgh +expect "<abcdefgh>" +recho ''abcdefgh +expect "<abcd>" +recho abcd"" +expect "<abcd>" +recho abcd'' + +# Test the quirky behavior of $@ in "" +expect nothing +recho "$@" +expect "< >" +recho " $@" +expect "<-->" +recho "-${@}-" + +# Test null strings with variable expansion that fails +expect '<>' +recho $xxx"" +expect '<>' +recho ""$xxx +expect '<>' +recho $xxx'' +expect '<>' +recho ''$xxx +expect '<>' +recho $xxx""$yyy +expect '<>' +recho $xxx''$yyy + +# Test null strings with variable expansion that succeeds +xxx=abc +yyy=def + +expect '<abc>' +recho $xxx"" +expect '<abc>' +recho ""$xxx +expect '<abc>' +recho $xxx'' +expect '<abc>' +recho ''$xxx +expect '<abcdef>' +recho $xxx""$yyy +expect '<abcdef>' +recho $xxx''$yyy + +unset xxx yyy + +# Test the unquoted special quoting characters +expect "<^A>" +recho +expect "<^?>" +recho +expect "<^A>" +recho "" +expect "<^?>" +recho "" +expect "<^A>" +recho '' +expect "<^?>" +recho '' + +# Test expansion of a variable that is unset +expect nothing +recho $xxx +expect '<>' +recho "$xxx" + +expect nothing +recho "$xxx${@}" + +# Test empty string expansion +expect '<>' +recho "" +expect '<>' +recho '' + +# Test command substitution with (disabled) history substitution +expect '<Hello World!>' +# set +H +recho "`echo \"Hello world!\"`" + +# Test some shell special characters +expect '<`>' +recho "\`" +expect '<">' +recho "\"" +expect '<\^A>' +recho "\" + +expect '<\$>' +recho "\\$" + +expect '<\\>' +recho "\\\\" + +# This should give argv[1] = a argv[2] = b +expect '<a> <b>' +FOO=`echo 'a b' | tr ' ' '\012'` +recho $FOO + +# This should give argv[1] = ^A argv[2] = ^? +expect '<^A> <^?>' +FOO=`echo ' ' | tr ' ' '\012'` +recho $FOO + +# Test quoted and unquoted globbing characters +expect '<**>' +recho "*"* + +expect '<\.\./*/>' +recho "\.\./*/" + +# Test patterns that come up when the shell quotes funny character +# combinations +expect '<^A^?^A^?>' +recho '' +expect '<^A^A>' +recho '' +expect '<^A^?>' +recho '' +expect '<^A^A^?>' +recho '' + +# More tests of "$@" +set abc def ghi jkl +expect '< abc> <def> <ghi> <jkl >' +recho " $@ " +expect '< abc> <def> <ghi> <jkl >' +recho "${1+ $@ }" + +set abc def ghi jkl +expect '<--abc> <def> <ghi> <jkl-->' +recho "--$@--" + +set "a b" cd ef gh +expect '<a b> <cd> <ef> <gh>' +recho ${1+"$@"} +expect '<a b> <cd> <ef> <gh>' +recho ${foo:-"$@"} +expect '<a b> <cd> <ef> <gh>' +recho "${@}" + +expect '< >' +recho " " +expect '< - >' +recho " - " + +# Test combinations of different types of quoting in a fully-quoted string +# (so the WHOLLY_QUOTED tests fail and it doesn't get set) +expect '</^root:/{s/^[^:]*:[^:]*:\([^:]*\).*$/\1/>' +recho "/^root:/{s/^[^:]*:[^:]*:\([^:]*\).*"'$'"/\1/" + +# Test the various Posix parameter expansions + +expect '<foo bar>' +recho "${x:-$(echo "foo bar")}" +expect '<foo> <bar>' +recho ${x:-$(echo "foo bar")} + +unset X +expect '<abc>' +recho ${X:=abc} +expect '<abc>' +recho $X + +set a b c +expect '<posix>' +recho ${3:+posix} + +POSIX=/usr/posix +expect '<10>' +recho ${#POSIX} + +# remove shortest trailing match +x=file.c +expect '<file.o>' +recho ${x%.c}.o + +# remove longest trailing match +x=posix/src/std +expect '<posix>' +recho ${x%%/*} + +# remove shortest leading pattern +x=$HOME/src/cmd +expect '</src/cmd>' +recho ${x#$HOME} + +# remove longest leading pattern +x=/one/two/three +expect '<three>' +recho ${x##*/} + +# pattern removal of patterns that don't match +z=abcdef + +expect '<abcdef>' +recho ${z#xyz} +expect '<abcdef>' +recho ${z##xyz} + +expect '<abcdef>' +recho ${z%xyz} +expect '<abcdef>' +recho ${z%%xyz} + +# Command substitution and the quirky differences between `` and $() + +expect '<\$x>' +recho '\$x' + +expect '<$x>' +recho `echo '\$x'` + +expect '<\$x>' +recho $(echo '\$x') + +# The difference between $* "$*" and "$@" + +set "abc" "def ghi" "jkl" + +expect '<abc> <def> <ghi> <jkl>' +recho $* + +expect '<abc def ghi jkl>' +recho "$*" + +OIFS="$IFS" +IFS=":$IFS" + +# The special behavior of "$*", using the first character of $IFS as separator +expect '<abc:def ghi:jkl>' +recho "$*" + +IFS="$OIFS" + +expect '<abc> <def ghi> <jkl>' +recho "$@" + +expect '<xxabc> <def ghi> <jklyy>' +recho "xx$@yy" + +expect '<abc> <def ghi> <jklabc> <def ghi> <jkl>' +recho "$@$@" + +foo=abc +bar=def + +expect '<abcdef>' +recho "$foo""$bar" + +unset foo +set $foo bar '' xyz "$foo" abc + +expect '<bar> <> <xyz> <> <abc>' +recho "$@" + +# More tests of quoting and deferred evaluation + +foo=10 x=foo +y='$'$x +expect '<$foo>' +recho $y +eval y='$'$x +expect '<10>' +recho $y + +# case statements + +NL=' +' +x='ab +cd' + +expect '<newline expected>' +case "$x" in +*$NL*) recho "newline expected" ;; +esac + +expect '<got it>' +case \? in +*"?"*) recho "got it" ;; +esac + +expect '<got it>' +case \? in +*\?*) recho "got it" ;; +esac + +set one two three four five +expect '<one> <three> <five>' +recho $1 $3 ${5} $8 ${9} + +# length tests on positional parameters and some special parameters + +expect '<5> <5>' +recho $# ${#} +expect '<3>' +recho ${#1} +expect '<1>' +recho ${##} +expect '<1>' +recho ${#?} +expect '<5>' +recho ${#@} +expect '<5>' +recho ${#*} +expect '<5>' +recho "${#@}" +expect '<5>' +recho "${#*}" + +expect '<42>' +recho $((28 + 14)) +expect '<26>' +recho $[ 13 * 2 ] + +expect '<\>' +recho `echo \\\\` + +expect '<~>' +recho '~' + +expect nothing +recho $! +expect nothing +recho ${!} + +# test word splitting of assignment statements not preceding a command +a="a b c d e" +declare b=$a +expect '<a> <b> <c> <d> <e>' +recho $b + +a="a?b?c" + +echo ${a//\\?/ } + +echo ${a//\?/ } + +${THIS_SH} ./exp1.sub + +${THIS_SH} ./exp2.sub + +${THIS_SH} ./exp3.sub + +${THIS_SH} ./exp4.sub + +${THIS_SH} ./exp5.sub + +${THIS_SH} ./exp6.sub +${THIS_SH} ./exp7.sub +${THIS_SH} ./exp8.sub +${THIS_SH} ./exp9.sub +${THIS_SH} ./exp10.sub +${THIS_SH} ./exp11.sub +${THIS_SH} ./exp12.sub |