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tests/builtin.sh: add 'cd' regress tests

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These are based on Red Hat patches and/or bug reports.
None of these bugs currently exist in 93u+m, but let's
make sure to keep it that way.
This commit is contained in:
Martijn Dekker 2020-09-22 21:38:15 +02:00
parent 600cb182e3
commit f7ffaaba17
1 changed files with 46 additions and 6 deletions
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52
src/cmd/ksh93/tests/builtins.sh
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@ -843,12 +843,52 @@ actual=$(hash -r; alias ls='echo ALL UR F1LEZ R G0N3'; hash ls; whence -a ls)
# ======
# 'cd ../.foo' should not exclude the '.' in '.foo'
(
cd "$tmp"
mkdir foo .bar
cd foo
cd ../.bar
) || err_exit 'cd ../.bar when ../.bar exists should not fail'
# https://bugzilla.redhat.com/889748
expect=$tmp/.ssh
actual=$( HOME=$tmp
mkdir ~/.ssh 2>&1 &&
cd ~/.ssh 2>&1 &&
cd ../.ssh 2>&1 &&
print -r -- "$PWD" )
[[ $actual == "$expect" ]] || err_exit 'changing to a hidden directory using a path that contains the parent directory (..) fails' \
"(expected $(printf %q "$expect"), got $(printf %q "$actual"))"
expect=$tmp/.java
actual=$( mkdir "$tmp/java" "$tmp/.java" 2>&1 &&
cd "$tmp/.java" 2>&1 &&
cd ../.java 2>&1 &&
pwd )
[[ $actual == "$expect" ]] || err_exit 'the dot (.) part of the directory name is being stripped' \
"(expected $(printf %q "$expect"), got $(printf %q "$actual"))"
# check that we cannot cd into a regular file and get misbehaviour
: > "$tmp/regular_file"
expect=": cd: $tmp/regular_file: [Not a directory]"
actual=$(cd "$tmp/regular_file" 2>&1)
e=$?
[[ e -eq 1 && $actual == *"$expect" ]] || err_exit 'can cd into a regular file' \
"(expected status 1 and msg ending in $(printf %q "$expect"), got status $e and msg $(printf %q "$actual"))"
# https://bugzilla.redhat.com/1102627
mkdir -m 600 "$tmp/no_x_dir"
expect=": cd: $tmp/no_x_dir: [Permission denied]"
actual=$(cd "$tmp/no_x_dir" 2>&1)
e=$?
[[ e -eq 1 && $actual == *"$expect" ]] || err_exit 'can cd into a directory without x permission bit (absolute path arg)' \
"(expected status 1 and msg ending in $(printf %q "$expect"), got status $e and msg $(printf %q "$actual"))"
expect=": cd: no_x_dir: [Permission denied]"
actual=$(cd "$tmp" 2>&1 && cd "no_x_dir" 2>&1)
e=$?
[[ e -eq 1 && $actual == *"$expect" ]] || err_exit 'can cd into a directory without x permission bit (relative path arg)' \
"(expected status 1 and msg ending in $(printf %q "$expect"), got status $e and msg $(printf %q "$actual"))"
# https://bugzilla.redhat.com/1133582
expect=$HOME
actual=$({ a=`cd; pwd`; } >&-; print -r -- "$a")
[[ $actual == "$expect" ]] || err_exit "'cd' broke old-form command substitution with outer stdout closed" \
"(expected $(printf %q "$expect"), got $(printf %q "$actual"))"
actual=$({ a=$(cd; pwd); } >&-; print -r -- "$a")
[[ $actual == "$expect" ]] || err_exit "'cd' broke new-form command substitution with outer stdout closed" \
"(expected $(printf %q "$expect"), got $(printf %q "$actual"))"
# ======
# 'readonly' should set the correct scope when creating variables in functions