1 files changed, 83 insertions, 0 deletions
diff --git a/tests/ln/hard-to-sym.sh b/tests/ln/hard-to-sym.sh
new file mode 100755
index 0000000..98b5deb
--- /dev/null
+++ b/tests/ln/hard-to-sym.sh
@@ -0,0 +1,83 @@
+#!/bin/sh
+# Tests for ln -L/-P.
+
+# Copyright (C) 2009-2018 Free Software Foundation, Inc.
+
+# 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 <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ ln
+
+
+# ===================================================
+# ensure -s silently overrides -L, -P
+touch a || framework_failure_
+ln -L -s a symlink1 || fail=1
+ln -P -s symlink1 symlink2 || fail=1
+ln -s -L -P symlink2 symlink3 || fail=1
+
+# ===================================================
+# ensure that -L follows symlinks, and overrides -P
+if ln -P -L symlink3 hard-to-a; then
+  ls=$(ls -lG hard-to-a)x
+  case "$ls" in
+    *'hard-to-ax') ;;
+    *'hard-to-a -> '*x) fail=1 ;;
+    *) framework_failure_ ;;
+  esac
+else
+  fail=1
+fi
+
+# ===================================================
+# ensure that -P links (or at least duplicates) symlinks, and overrides -L
+if ln -L -P symlink3 hard-to-3; then
+  ls=$(ls -lG hard-to-3)x
+  case "$ls" in
+    *'hard-to-3 -> symlink2x') ;;
+    *'hard-to-3x') fail=1 ;;
+    *'hard-to-3 -> '*x) fail=1 ;;
+    *) framework_failure_ ;;
+  esac
+else
+  fail=1
+fi
+
+# ===================================================
+# Create a hard link to a dangling symlink.
+ln -s /no-such-dir || framework_failure_
+ln -L no-such-dir hard-to-dangle 2>err && fail=1
+case $(cat err) in
+  *" failed to access 'no-such-dir'":*) ;;
+  *) fail=1 ;;
+esac
+ln -P no-such-dir hard-to-dangle || fail=1
+
+# ===================================================
+# Create a hard link to a symlink to a directory.
+mkdir d || framework_failure_
+ln -s d link-to-dir || framework_failure_
+ln -L link-to-dir hard-to-dir-link 2>err && fail=1
+case $(cat err) in
+  *": link-to-dir: hard link not allowed for directory"*) ;;
+  *) fail=1 ;;
+esac
+ln -P link-to-dir/ hard-to-dir-link 2>err && fail=1
+case $(cat err) in
+  *": link-to-dir/: hard link not allowed for directory"*) ;;
+  *) fail=1 ;;
+esac
+ln -P link-to-dir hard-to-dir-link || fail=1
+
+Exit $fail