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Diffstat (limited to '')
| -rw-r--r-- | bin/1sh/tests/builtins/cd4.0 | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/bin/1sh/tests/builtins/cd4.0 b/bin/1sh/tests/builtins/cd4.0 new file mode 100644 index 00000000..ba32302e --- /dev/null +++ b/bin/1sh/tests/builtins/cd4.0 @@ -0,0 +1,38 @@ +# $FreeBSD: releng/12.1/bin/sh/tests/builtins/cd4.0 222154 2011-05-20 22:55:18Z jilles $ + +# This test assumes that whatever mechanism cd -P uses to determine the +# pathname to the current directory if it is longer than PATH_MAX requires +# read permission on all parent directories. It also works if this +# requirement always applies. + +set -e +L=$(getconf PATH_MAX / 2>/dev/null) || L=4096 +[ "$L" -lt 100000 ] 2>/dev/null || L=4096 +L=$((L+100)) +T=$(mktemp -d ${TMPDIR:-/tmp}/sh-test.XXXXXX) +trap 'chmod u+r ${T}; rm -rf ${T}' 0 +cd -Pe $T +D=$(pwd) +chmod u-r "$D" +if [ -r "$D" ]; then + # Running as root, cannot test. + exit 0 +fi +set +e +while [ ${#D} -lt $L ]; do + mkdir veryverylongdirectoryname || exit + cd -Pe veryverylongdirectoryname 2>/dev/null + r=$? + [ $r -gt 1 ] && exit $r + if [ $r -eq 1 ]; then + # Verify that the directory was changed correctly. + cd -Pe .. || exit + [ "$(pwd)" = "$D" ] || exit + # Verify that omitting -e results in success. + cd -P veryverylongdirectoryname 2>/dev/null || exit + exit 0 + fi + D=$D/veryverylongdirectoryname +done +echo "cd -Pe never returned 1" +exit 0 |