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authorCameron Katri <me@cameronkatri.com>2021-05-09 14:20:58 -0400
committerCameron Katri <me@cameronkatri.com>2021-05-09 14:20:58 -0400
commit5fd83771641d15c418f747bd343ba6738d3875f7 (patch)
tree5abf0f78f680d9837dbd93d4d4c3933bb7509599 /shell_cmds/sh/tests/builtins/cd4.0
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Diffstat (limited to 'shell_cmds/sh/tests/builtins/cd4.0')
-rw-r--r--shell_cmds/sh/tests/builtins/cd4.038
1 files changed, 38 insertions, 0 deletions
diff --git a/shell_cmds/sh/tests/builtins/cd4.0 b/shell_cmds/sh/tests/builtins/cd4.0
new file mode 100644
index 0000000..da01b31
--- /dev/null
+++ b/shell_cmds/sh/tests/builtins/cd4.0
@@ -0,0 +1,38 @@
+# $FreeBSD: head/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