1 files changed, 166 insertions, 0 deletions
diff --git a/tests/ln/misc b/tests/ln/misc
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index 0000000..9fc348a
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+++ b/tests/ln/misc
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+#!/bin/sh
+# Miscellaneous tests for "ln".
+
+# Copyright (C) 1998, 1999, 2000, 2004, 2006 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 2 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, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+
+if test "$VERBOSE" = yes; then
+  set -x
+  ln --version
+fi
+
+pwd=`pwd`
+tmp=t2-ln.$$
+trap 'status=$?; cd "$pwd" && rm -rf $tmp && exit $status' 0
+trap '(exit $?); exit' 1 2 13 15
+
+framework_failure=0
+mkdir $tmp || framework_failure=1
+cd $tmp || framework_failure=1
+
+t=tln-symlink
+d=tln-subdir
+ld=tln-symlink-to-subdir
+f=tln-file
+fail=0
+
+# Create a simple symlink with both source and destination files
+# in current directory.
+touch $f || framework_failure=1
+rm -f $t || framework_failure=1
+ln -s $f $t || fail=1
+test -f $t || fail=1
+rm $t $f
+
+# Create a symlink with source file and explicit destination directory/file.
+touch $f || framework_failure=1
+rm -rf $d || framework_failure=1
+mkdir $d || framework_failure=1
+ln -s ../$f $d/$t || fail=1
+test -f $d/$t || fail=1
+rm -rf $d $f
+
+# Create a symlink with source file and destination directory.
+touch $f || framework_failure=1
+rm -rf $d || framework_failure=1
+mkdir $d || framework_failure=1
+ln -s ../$f $d || fail=1
+test -f $d/$f || fail=1
+rm -rf $d $f
+
+# See whether a trailing slash is followed too far.
+touch $f || framework_failure=1
+rm -rf $d || framework_failure=1
+mkdir $d $d/$f || framework_failure=1
+ln $f $d/ 2> /dev/null && fail=1
+ln -s $f $d/ 2> /dev/null && fail=1
+rm -rf $d $f
+
+# Make sure we get a failure with existing dest without -f option
+touch $t || framework_failure=1
+# FIXME: don't ignore the error message but rather test
+# it to make sure it's the right one.
+ln -s $t $t 2> /dev/null && fail=1
+rm $t
+
+# Make sure -sf fails when src and dest are the same
+touch $t || framework_failure=1
+ln -sf $t $t 2> /dev/null && fail=1
+rm $t
+
+# Create a symlink with source file and no explicit directory
+rm -rf $d || framework_failure=1
+mkdir $d || framework_failure=1
+touch $d/$f || framework_failure=1
+ln -s $d/$f || fail=1
+test -f $f || fail=1
+rm -rf $d $f
+
+# Create a symlink with source file and destination symlink-to-directory.
+rm -rf $d $f $ld || framework_failure=1
+touch $f || framework_failure=1
+mkdir $d || framework_failure=1
+ln -s $d $ld
+ln -s ../$f $ld || fail=1
+test -f $d/$f || fail=1
+rm -rf $d $f $ld
+
+# Create a symlink with source file and destination symlink-to-directory.
+# BUT use the new --no-dereference option.
+rm -rf $d $f $ld || framework_failure=1
+touch $f || framework_failure=1
+mkdir $d || framework_failure=1
+ln -s $d $ld
+af=`pwd`/$f
+ln --no-dereference -fs "$af" $ld || fail=1
+test -f $ld || fail=1
+rm -rf $d $f $ld
+
+# Try to create a symlink with backup where the destination file exists
+# and the backup file name is a hard link to the destination file.
+touch a b || framework_failure=1
+ln b b~ || framework_failure=1
+ln -f --b=simple a b || fail=1
+
+# ===================================================
+# determine if link(2) follows symlinks on this system
+touch a || framework_failure=1
+ln -s a symlink || framework_failure=1
+ln symlink hard-to-sym > /dev/null 2>&1 || framework_failure=1
+ls=`ls -lG hard-to-sym`x
+case "$ls" in
+  *'hard-to-symx') link_follows_symlink=yes ;;
+  *'hard-to-sym -> ax') link_follows_symlink=no ;;
+  *) framework_failure=1 ;;
+esac
+
+if test $link_follows_symlink = no; then
+  # Create a hard link to a dangling symlink.
+  # This is not portable.  At least sunos4.1.4 and OpenBSD 2.3 fail this test.
+  # They get this:
+  # ln: cannot create hard link `hard-to-dangle' to `no-such-dir': \
+  #   No such file or directory
+  #
+  ln -s /no-such-dir || fail=1
+  ln no-such-dir hard-to-dangle > /dev/null 2>&1 || fail=1
+fi
+rm -rf a symlink hard-to-sym hard-to-dangle
+# ===================================================
+
+# Make sure ln can make simple backups.
+# This was fixed in 4.0.34.  Broken in 4.0r.
+for cmd in ln cp mv ginstall; do
+  rm -rf a x a.orig
+  touch a x || framework_failure=1
+  $cmd --backup=simple --suffix=.orig x a || fail=1
+  test -f a.orig || fail=1
+done
+
+# ===================================================
+# With coreutils-5.2.1, this would mistakenly access argv[1][-1].
+# I'm including it here, in case some day programs like valgrind detect that.
+# Purify probably would have done so.
+ln foo '' 2> /dev/null
+
+# ===================================================
+
+if test $framework_failure = 1; then
+  echo 'failure in testing framework' 1>&2
+  exit 1
+fi
+
+exit $fail